C/C++教程
oled屏幕(IIC接口+1306驱动)+raspberrypi pico 显示基于RT-Thread
本文主要是介绍oled屏幕(IIC接口+1306驱动)+raspberrypi pico 显示基于RT-Thread，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！
屏幕参数
1.I2C接口(GND,VCC,SCL ,SDA(双向数据线))
2.分辨率128*64
3.超逛可视角度 160
4.超低功耗正常显示0.04w
5.宽供电范围3.3-5V
6、工业级温度:-30---70C
7、体积28.65mm---27.8mm
8.亮度、对比度可以通过程序指令控制
9.使用寿命不少于16000小时
10、OLED内部驱动SSD1306
连接方式如下图
代码
main.cpp
/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2021-01-28 Damon first version
*/
#include <rtthread.h>
#include <rtdevice.h>
#include "pico/stdlib.h"
#include "include/ss_oled.hpp"
// RPI Pico
#define SDA_PIN 4
#define SCL_PIN 5
#define PICO_I2C i2c0
#define I2C_SPEED 100 * 1000
#define OLED_WIDTH 128
#define OLED_HEIGHT 64
#define LED_PIN 25
int main(void)
{
rt_kprintf("Hello, RT-Thread!\n");
rt_pin_mode(LED_PIN, PIN_MODE_OUTPUT);
static uint8_t ucBuffer[1024];
uint8_t uc[8];
int i, j, rc;
char szTemp[32];
picoSSOLED myOled(OLED_128x64, 0x3c, 0, 0, PICO_I2C, SDA_PIN, SCL_PIN, I2C_SPEED);
rc = myOled.init() ;
myOled.set_back_buffer(ucBuffer);
while (1) {
if (rc != OLED_NOT_FOUND)
{
rt_pin_write(LED_PIN, 1);
rt_thread_mdelay(1000);
myOled.fill(0,1);
myOled.set_contrast(255);
myOled.write_string(0,0,0,(char *)"**************** ", FONT_8x8, 0, 1);
myOled.write_string(0,4,1,(char *)"RT-Pico SS_OLED", FONT_6x8, 0, 1);
myOled.write_string(0,8,2,(char *)"running on the", FONT_8x8, 0, 1);
myOled.write_string(0,8,3,(char *)"SSD1306 128x64", FONT_8x8, 0, 1);
myOled.write_string(0,4,4,(char *)"monochrome OLED", FONT_8x8, 0, 1);
myOled.write_string(0,0,5,(char *)"Written by Damon", FONT_8x8, 0, 1);
//myOled.write_string(0,4,6,(char *), FONT_6x8, 0, 1);
myOled.write_string(0,0,7,(char *)"**************** ", FONT_8x8, 0, 1);
sleep_ms(10000);
}
myOled.fill(0,1);
myOled.write_string(0,0,0,(char *)"Now with 5 font sizes", FONT_6x8, 0, 1);
myOled.write_string(0,0,1,(char *)"6x8 8x8 16x16", FONT_8x8, 0, 1);
myOled.write_string(0,0,2,(char *)"16x32 and a new", FONT_8x8, 0, 1);
myOled.write_string(0,0,3,(char *)"Stretched", FONT_12x16, 0, 1);
myOled.write_string(0,0,5,(char *)"from 6x8", FONT_12x16, 0, 1);
sleep_ms(10000);
int x, y;
myOled.fill(0, 1);
myOled.write_string(0,0,0,(char *)"Backbuffer Test", FONT_NORMAL,0,1);
myOled.write_string(0,0,1,(char *)"96 lines", FONT_NORMAL,0,1);
sleep_ms(10000);
for (x=0; x<OLED_WIDTH-1; x+=2)
{
myOled.draw_line(x, 0, OLED_WIDTH-x, OLED_HEIGHT-1, 1);
};
for (y=0; y<OLED_HEIGHT-1; y+=2)
{
myOled.draw_line(OLED_WIDTH-1,y, 0,OLED_HEIGHT-1-y, 1);
};
sleep_ms(10000);
myOled.write_string(0,0,1,(char *)"Without backbuffer", FONT_SMALL,0,1);
sleep_ms(10000);
myOled.fill(0,1);
for (x=0; x<OLED_WIDTH-1; x+=2)
{
myOled.draw_line(x, 0, OLED_WIDTH-1-x, OLED_HEIGHT-1, 0);
}
for (y=0; y<OLED_HEIGHT-1; y+=2)
{
myOled.draw_line(OLED_WIDTH-1,y, 0,OLED_HEIGHT-1-y, 0);
}
myOled.dump_buffer(ucBuffer);
myOled.write_string(0,0,1,(char *)"With backbuffer", FONT_SMALL,0,1);
sleep_ms(10000);
rt_pin_write(LED_PIN, 0);
rt_thread_mdelay(1000);
}
return 0;
}
ss_oled.cpp
//
// ss_oled (Small, Simple OLED library)
// Copyright (c) 2017-2019 BitBank Software, Inc.
// Written by Larry Bank (bitbank@pobox.com)
// Project started 1/15/2017
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "pico/stdlib.h"
#include "include/ss_oled.h"
const uint8_t ucFont[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x5f, 0x5f, 0x06, 0x00, 0x00,
0x07, 0x07, 0x00, 0x07, 0x07, 0x00, 0x14, 0x7f, 0x7f, 0x14, 0x7f, 0x7f, 0x14, 0x24, 0x2e, 0x2a, 0x6b, 0x6b,
0x3a, 0x12, 0x46, 0x66, 0x30, 0x18, 0x0c, 0x66, 0x62, 0x30, 0x7a, 0x4f, 0x5d, 0x37, 0x7a, 0x48, 0x00, 0x04,
0x07, 0x03, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x3e, 0x63, 0x41, 0x00, 0x00, 0x00, 0x41, 0x63, 0x3e, 0x1c, 0x00,
0x00, 0x08, 0x2a, 0x3e, 0x1c, 0x3e, 0x2a, 0x08, 0x00, 0x08, 0x08, 0x3e, 0x3e, 0x08, 0x08, 0x00, 0x00, 0x80,
0xe0, 0x60, 0x00, 0x00, 0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00,
0x60, 0x30, 0x18, 0x0c, 0x06, 0x03, 0x01, 0x3e, 0x7f, 0x59, 0x4d, 0x47, 0x7f, 0x3e, 0x40, 0x42, 0x7f, 0x7f,
0x40, 0x40, 0x00, 0x62, 0x73, 0x59, 0x49, 0x6f, 0x66, 0x00, 0x22, 0x63, 0x49, 0x49, 0x7f, 0x36, 0x00, 0x18,
0x1c, 0x16, 0x53, 0x7f, 0x7f, 0x50, 0x27, 0x67, 0x45, 0x45, 0x7d, 0x39, 0x00, 0x3c, 0x7e, 0x4b, 0x49, 0x79,
0x30, 0x00, 0x03, 0x03, 0x71, 0x79, 0x0f, 0x07, 0x00, 0x36, 0x7f, 0x49, 0x49, 0x7f, 0x36, 0x00, 0x06, 0x4f,
0x49, 0x69, 0x3f, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00, 0x80, 0xe6, 0x66, 0x00,
0x00, 0x08, 0x1c, 0x36, 0x63, 0x41, 0x00, 0x00, 0x00, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x00, 0x41, 0x63,
0x36, 0x1c, 0x08, 0x00, 0x00, 0x02, 0x03, 0x59, 0x5d, 0x07, 0x02, 0x3e, 0x7f, 0x41, 0x5d, 0x5d, 0x5f, 0x0e,
0x7c, 0x7e, 0x13, 0x13, 0x7e, 0x7c, 0x00, 0x41, 0x7f, 0x7f, 0x49, 0x49, 0x7f, 0x36, 0x1c, 0x3e, 0x63, 0x41,
0x41, 0x63, 0x22, 0x41, 0x7f, 0x7f, 0x41, 0x63, 0x3e, 0x1c, 0x41, 0x7f, 0x7f, 0x49, 0x5d, 0x41, 0x63, 0x41,
0x7f, 0x7f, 0x49, 0x1d, 0x01, 0x03, 0x1c, 0x3e, 0x63, 0x41, 0x51, 0x33, 0x72, 0x7f, 0x7f, 0x08, 0x08, 0x7f,
0x7f, 0x00, 0x00, 0x41, 0x7f, 0x7f, 0x41, 0x00, 0x00, 0x30, 0x70, 0x40, 0x41, 0x7f, 0x3f, 0x01, 0x41, 0x7f,
0x7f, 0x08, 0x1c, 0x77, 0x63, 0x41, 0x7f, 0x7f, 0x41, 0x40, 0x60, 0x70, 0x7f, 0x7f, 0x0e, 0x1c, 0x0e, 0x7f,
0x7f, 0x7f, 0x7f, 0x06, 0x0c, 0x18, 0x7f, 0x7f, 0x1c, 0x3e, 0x63, 0x41, 0x63, 0x3e, 0x1c, 0x41, 0x7f, 0x7f,
0x49, 0x09, 0x0f, 0x06, 0x1e, 0x3f, 0x21, 0x31, 0x61, 0x7f, 0x5e, 0x41, 0x7f, 0x7f, 0x09, 0x19, 0x7f, 0x66,
0x26, 0x6f, 0x4d, 0x49, 0x59, 0x73, 0x32, 0x03, 0x41, 0x7f, 0x7f, 0x41, 0x03, 0x00, 0x7f, 0x7f, 0x40, 0x40,
0x7f, 0x7f, 0x00, 0x1f, 0x3f, 0x60, 0x60, 0x3f, 0x1f, 0x00, 0x3f, 0x7f, 0x60, 0x30, 0x60, 0x7f, 0x3f, 0x63,
0x77, 0x1c, 0x08, 0x1c, 0x77, 0x63, 0x07, 0x4f, 0x78, 0x78, 0x4f, 0x07, 0x00, 0x47, 0x63, 0x71, 0x59, 0x4d,
0x67, 0x73, 0x00, 0x7f, 0x7f, 0x41, 0x41, 0x00, 0x00, 0x01, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x00, 0x41,
0x41, 0x7f, 0x7f, 0x00, 0x00, 0x08, 0x0c, 0x06, 0x03, 0x06, 0x0c, 0x08, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
0x80, 0x00, 0x00, 0x03, 0x07, 0x04, 0x00, 0x00, 0x20, 0x74, 0x54, 0x54, 0x3c, 0x78, 0x40, 0x41, 0x7f, 0x3f,
0x48, 0x48, 0x78, 0x30, 0x38, 0x7c, 0x44, 0x44, 0x6c, 0x28, 0x00, 0x30, 0x78, 0x48, 0x49, 0x3f, 0x7f, 0x40,
0x38, 0x7c, 0x54, 0x54, 0x5c, 0x18, 0x00, 0x48, 0x7e, 0x7f, 0x49, 0x03, 0x06, 0x00, 0x98, 0xbc, 0xa4, 0xa4,
0xf8, 0x7c, 0x04, 0x41, 0x7f, 0x7f, 0x08, 0x04, 0x7c, 0x78, 0x00, 0x44, 0x7d, 0x7d, 0x40, 0x00, 0x00, 0x60,
0xe0, 0x80, 0x84, 0xfd, 0x7d, 0x00, 0x41, 0x7f, 0x7f, 0x10, 0x38, 0x6c, 0x44, 0x00, 0x41, 0x7f, 0x7f, 0x40,
0x00, 0x00, 0x7c, 0x7c, 0x18, 0x78, 0x1c, 0x7c, 0x78, 0x7c, 0x78, 0x04, 0x04, 0x7c, 0x78, 0x00, 0x38, 0x7c,
0x44, 0x44, 0x7c, 0x38, 0x00, 0x84, 0xfc, 0xf8, 0xa4, 0x24, 0x3c, 0x18, 0x18, 0x3c, 0x24, 0xa4, 0xf8, 0xfc,
0x84, 0x44, 0x7c, 0x78, 0x4c, 0x04, 0x0c, 0x18, 0x48, 0x5c, 0x54, 0x74, 0x64, 0x24, 0x00, 0x04, 0x04, 0x3e,
0x7f, 0x44, 0x24, 0x00, 0x3c, 0x7c, 0x40, 0x40, 0x3c, 0x7c, 0x40, 0x1c, 0x3c, 0x60, 0x60, 0x3c, 0x1c, 0x00,
0x3c, 0x7c, 0x60, 0x30, 0x60, 0x7c, 0x3c, 0x44, 0x6c, 0x38, 0x10, 0x38, 0x6c, 0x44, 0x9c, 0xbc, 0xa0, 0xa0,
0xfc, 0x7c, 0x00, 0x4c, 0x64, 0x74, 0x5c, 0x4c, 0x64, 0x00, 0x08, 0x08, 0x3e, 0x77, 0x41, 0x41, 0x00, 0x00,
0x00, 0x00, 0x77, 0x77, 0x00, 0x00, 0x41, 0x41, 0x77, 0x3e, 0x08, 0x08, 0x00, 0x02, 0x03, 0x01, 0x03, 0x02,
0x03, 0x01, 0x70, 0x78, 0x4c, 0x46, 0x4c, 0x78, 0x70 };
const uint8_t ucBigFont[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc,
0xfc, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f,
0x3f, 0x3f, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x0f,
0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x3f, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x3f, 0x0f,
0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xfc,
0xfc, 0xfc, 0xfc, 0xc0, 0xc0, 0xfc, 0xfc, 0xfc, 0xfc, 0xc0, 0xc0, 0x00, 0x00, 0xc0, 0xc0, 0xff, 0xff, 0xff,
0xff, 0xc0, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x0f, 0x0f, 0x00,
0x00, 0x0f, 0x0f, 0x0f, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0xf0, 0xf0,
0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xfc, 0xff, 0xff, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x0f,
0x0f, 0x3c, 0x3c, 0x00, 0x00, 0xf0, 0xf0, 0xc3, 0xc3, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0xff, 0xff, 0xfc,
0xfc, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0x3f, 0x3f, 0x3f, 0x3f, 0x03, 0x03, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0,
0xf0, 0xf0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xf0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0xc0,
0xc0, 0xf0, 0xf0, 0x3c, 0x3c, 0x0f, 0x0f, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x03, 0x03, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x0f, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x3c, 0xff, 0xff, 0xc3, 0xc3, 0xff,
0xff, 0x3c, 0x3c, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xfc, 0xff, 0xff, 0x03, 0x03, 0x0f, 0x0f, 0xfc, 0xfc, 0xff,
0xff, 0x03, 0x03, 0x00, 0x00, 0x03, 0x03, 0x0f, 0x0f, 0x0c, 0x0c, 0x0c, 0x0c, 0x03, 0x03, 0x0f, 0x0f, 0x0c,
0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x30, 0x30, 0x3f, 0x3f, 0x0f, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0xf0, 0xfc,
0xfc, 0x0f, 0x0f, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x0f, 0x0f, 0x0c,
0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x0f, 0x0f, 0xfc, 0xfc, 0xf0, 0xf0, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x0c, 0x0c, 0x0f, 0x0f, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0,
0xc0, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x0c, 0x0c, 0xcc, 0xcc, 0xff, 0xff, 0x3f,
0x3f, 0x3f, 0x3f, 0xff, 0xff, 0xcc, 0xcc, 0x0c, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x0c, 0x0c, 0x0c, 0xff, 0xff, 0xff, 0xff, 0x0c, 0x0c, 0x0c, 0x0c, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xc0, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xc3, 0xc3, 0xcf, 0xcf, 0x0c, 0x0c, 0x0c, 0x0c, 0xff, 0xff, 0xff,
0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x03, 0x03, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x03, 0x03, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x0c,
0x0c, 0x0f, 0x0f, 0x0f, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x0f, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0,
0xc0, 0xcf, 0xcf, 0xcf, 0xcf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x0c, 0x0f, 0x0f, 0x0f,
0x0f, 0x0c, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xcf, 0xcf, 0xcf,
0xcf, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00,
0x00, 0x00, 0x00, 0xf0, 0xf0, 0xf0, 0xf0, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0xff,
0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff,
0xff, 0x3c, 0x3c, 0xff, 0xff, 0xc3, 0xc3, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x0c, 0x0f, 0x0f, 0x0f, 0x0f, 0x00,
0x00, 0x00, 0x00, 0x0f, 0x0f, 0x0f, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0xff, 0xff, 0xff, 0xff, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x0c, 0x0f, 0x0f, 0x0f, 0x0f, 0x0c, 0x0c, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0,
0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff,
0xff, 0x03, 0x03, 0xff, 0xff, 0x03, 0x03, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x0f, 0x0f, 0x0f, 0x0f, 0x00,
0x00, 0x0f, 0x0f, 0x00, 0x00, 0x0f, 0x0f, 0x0f, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0xc0, 0xc0, 0xc0,
0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff,
0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x0f, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x0f,
0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0xff,
0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x03, 0x03, 0x0f,
0x0f, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0f, 0x0f, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0xc0,
0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00,
0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x0c, 0x0c, 0x0c, 0x0c, 0x0f,
0x0f, 0x03, 0x03, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00,
0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x03,
0x03, 0x0f, 0x0f, 0x0c, 0x0c, 0x0c, 0x0c, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00,
0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x03,
0x03, 0x00, 0x00, 0x03, 0x03, 0x0f, 0x0f, 0x00, 0x00, 0x0c, 0x0c, 0x0f, 0x0f, 0x0f, 0x0f, 0x0c, 0x0c, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00,
0x00, 0x00, 0x00, 0x03, 0x03, 0x0f, 0x0f, 0x3c, 0x3c, 0x30, 0x30, 0xf0, 0xf0, 0xc3, 0xc3, 0x03, 0x03, 0x00,
0x00, 0x03, 0x03, 0x0f, 0x0f, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0f, 0x0f, 0x03, 0x03, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0,
0xc0, 0xfc, 0xfc, 0xff, 0xff, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x0f,
0x0f, 0x0c, 0x0c, 0x0f, 0x0f, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0,
0xc0, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00,
0x00, 0x00, 0x00, 0x03, 0x03, 0x0f, 0x0f, 0x0c, 0x0c, 0x0c, 0x0c, 0x03, 0x03, 0x0f, 0x0f, 0x0c, 0x0c, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0xff,
0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
0x03, 0x0f, 0x0f, 0x0f, 0x0f, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0xf0, 0xf0, 0x00, 0x00, 0xff,
0xff, 0xff, 0xff, 0x00, 0x00, 0x03, 0x03, 0x0f, 0x0f, 0x0f, 0x0f, 0x03, 0x03, 0x0f, 0x0f, 0x0f, 0x0f, 0x03,
0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00,
0x00, 0x03, 0x03, 0xff, 0xff, 0xfc, 0xfc, 0xff, 0xff, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x0c, 0x0f,
0x0f, 0x03, 0x03, 0x00, 0x00, 0x03, 0x03, 0x0f, 0x0f, 0x0c, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x03, 0x03, 0x0f, 0x0f, 0x0c, 0x0c, 0x0c, 0x0c, 0xcc, 0xcc, 0xff,
0xff, 0x3f, 0x3f, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00,
0x00, 0x03, 0x03, 0xc3, 0xc3, 0xf0, 0xf0, 0x3c, 0x3c, 0x0f, 0x0f, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x0f,
0x0f, 0x0f, 0x0f, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0f, 0x0f, 0x0f, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xfc, 0xfc, 0xff, 0xff, 0x03, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0xff,
0xff, 0xfc, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x0f,
0x0f, 0x0c, 0x0c, 0x0c, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xfc, 0xfc, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x0f, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
0x03, 0x03, 0x03, 0xff, 0xff, 0xfc, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0xfc, 0xfc, 0xff, 0xff, 0x03, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x0c, 0x0c, 0x0c, 0x0f,
0x0f, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x0c, 0x0f, 0x0f, 0x03, 0x03, 0x0f, 0x0f, 0x0c, 0x0c, 0x0f,
0x0f, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xc0, 0xc0, 0xf0, 0xf0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xfc, 0xff,
0xff, 0x03, 0x03, 0x00, 0x00, 0x03, 0x03, 0xff, 0xff, 0xfc, 0xfc, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0x03,
0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
// 5x7 font (in 6x8 cell)
const uint8_t ucSmallFont[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x5f, 0x06, 0x00, 0x07, 0x03, 0x00, 0x07,
0x03, 0x24, 0x7e, 0x24, 0x7e, 0x24, 0x24, 0x2b, 0x6a, 0x12, 0x00, 0x63, 0x13, 0x08, 0x64, 0x63, 0x36, 0x49,
0x56, 0x20, 0x50, 0x00, 0x07, 0x03, 0x00, 0x00, 0x00, 0x3e, 0x41, 0x00, 0x00, 0x00, 0x41, 0x3e, 0x00, 0x00,
0x08, 0x3e, 0x1c, 0x3e, 0x08, 0x08, 0x08, 0x3e, 0x08, 0x08, 0x00, 0xe0, 0x60, 0x00, 0x00, 0x08, 0x08, 0x08,
0x08, 0x08, 0x00, 0x60, 0x60, 0x00, 0x00, 0x20, 0x10, 0x08, 0x04, 0x02, 0x3e, 0x51, 0x49, 0x45, 0x3e, 0x00,
0x42, 0x7f, 0x40, 0x00, 0x62, 0x51, 0x49, 0x49, 0x46, 0x22, 0x49, 0x49, 0x49, 0x36, 0x18, 0x14, 0x12, 0x7f,
0x10, 0x2f, 0x49, 0x49, 0x49, 0x31, 0x3c, 0x4a, 0x49, 0x49, 0x30, 0x01, 0x71, 0x09, 0x05, 0x03, 0x36, 0x49,
0x49, 0x49, 0x36, 0x06, 0x49, 0x49, 0x29, 0x1e, 0x00, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0xec, 0x6c, 0x00, 0x00,
0x08, 0x14, 0x22, 0x41, 0x00, 0x24, 0x24, 0x24, 0x24, 0x24, 0x00, 0x41, 0x22, 0x14, 0x08, 0x02, 0x01, 0x59,
0x09, 0x06, 0x3e, 0x41, 0x5d, 0x55, 0x1e, 0x7e, 0x11, 0x11, 0x11, 0x7e, 0x7f, 0x49, 0x49, 0x49, 0x36, 0x3e,
0x41, 0x41, 0x41, 0x22, 0x7f, 0x41, 0x41, 0x41, 0x3e, 0x7f, 0x49, 0x49, 0x49, 0x41, 0x7f, 0x09, 0x09, 0x09,
0x01, 0x3e, 0x41, 0x49, 0x49, 0x7a, 0x7f, 0x08, 0x08, 0x08, 0x7f, 0x00, 0x41, 0x7f, 0x41, 0x00, 0x30, 0x40,
0x40, 0x40, 0x3f, 0x7f, 0x08, 0x14, 0x22, 0x41, 0x7f, 0x40, 0x40, 0x40, 0x40, 0x7f, 0x02, 0x04, 0x02, 0x7f,
0x7f, 0x02, 0x04, 0x08, 0x7f, 0x3e, 0x41, 0x41, 0x41, 0x3e, 0x7f, 0x09, 0x09, 0x09, 0x06, 0x3e, 0x41, 0x51,
0x21, 0x5e, 0x7f, 0x09, 0x09, 0x19, 0x66, 0x26, 0x49, 0x49, 0x49, 0x32, 0x01, 0x01, 0x7f, 0x01, 0x01, 0x3f,
0x40, 0x40, 0x40, 0x3f, 0x1f, 0x20, 0x40, 0x20, 0x1f, 0x3f, 0x40, 0x3c, 0x40, 0x3f, 0x63, 0x14, 0x08, 0x14,
0x63, 0x07, 0x08, 0x70, 0x08, 0x07, 0x71, 0x49, 0x45, 0x43, 0x00, 0x00, 0x7f, 0x41, 0x41, 0x00, 0x02, 0x04,
0x08, 0x10, 0x20, 0x00, 0x41, 0x41, 0x7f, 0x00, 0x04, 0x02, 0x01, 0x02, 0x04, 0x80, 0x80, 0x80, 0x80, 0x80,
0x00, 0x03, 0x07, 0x00, 0x00, 0x20, 0x54, 0x54, 0x54, 0x78, 0x7f, 0x44, 0x44, 0x44, 0x38, 0x38, 0x44, 0x44,
0x44, 0x28, 0x38, 0x44, 0x44, 0x44, 0x7f, 0x38, 0x54, 0x54, 0x54, 0x08, 0x08, 0x7e, 0x09, 0x09, 0x00, 0x18,
0xa4, 0xa4, 0xa4, 0x7c, 0x7f, 0x04, 0x04, 0x78, 0x00, 0x00, 0x00, 0x7d, 0x40, 0x00, 0x40, 0x80, 0x84, 0x7d,
0x00, 0x7f, 0x10, 0x28, 0x44, 0x00, 0x00, 0x00, 0x7f, 0x40, 0x00, 0x7c, 0x04, 0x18, 0x04, 0x78, 0x7c, 0x04,
0x04, 0x78, 0x00, 0x38, 0x44, 0x44, 0x44, 0x38, 0xfc, 0x44, 0x44, 0x44, 0x38, 0x38, 0x44, 0x44, 0x44, 0xfc,
0x44, 0x78, 0x44, 0x04, 0x08, 0x08, 0x54, 0x54, 0x54, 0x20, 0x04, 0x3e, 0x44, 0x24, 0x00, 0x3c, 0x40, 0x20,
0x7c, 0x00, 0x1c, 0x20, 0x40, 0x20, 0x1c, 0x3c, 0x60, 0x30, 0x60, 0x3c, 0x6c, 0x10, 0x10, 0x6c, 0x00, 0x9c,
0xa0, 0x60, 0x3c, 0x00, 0x64, 0x54, 0x54, 0x4c, 0x00, 0x08, 0x3e, 0x41, 0x41, 0x00, 0x00, 0x00, 0x77, 0x00,
0x00, 0x00, 0x41, 0x41, 0x3e, 0x08, 0x02, 0x01, 0x02, 0x01, 0x00, 0x3c, 0x26, 0x23, 0x26, 0x3c };
// Initialization sequences
const unsigned char oled128_initbuf[] = { 0x00, 0xae, 0xdc, 0x00, 0x81, 0x40, 0xa1, 0xc8, 0xa8, 0x7f, 0xd5, 0x50, 0xd9,
0x22, 0xdb, 0x35, 0xb0, 0xda, 0x12, 0xa4, 0xa6, 0xaf };
const unsigned char oled64_initbuf[] = { 0x00, 0xae, 0xa8, 0x3f, 0xd3, 0x00, 0x40, 0xa1, 0xc8, 0xda, 0x12, 0x81, 0xff,
0xa4, 0xa6, 0xd5, 0x80, 0x8d, 0x14, 0xaf, 0x20, 0x02 };
const unsigned char oled32_initbuf[] = { 0x00, 0xae, 0xd5, 0x80, 0xa8, 0x1f, 0xd3, 0x00, 0x40, 0x8d, 0x14, 0xa1, 0xc8,
0xda, 0x02, 0x81, 0x7f, 0xd9, 0xf1, 0xdb, 0x40, 0xa4, 0xa6, 0xaf };
const unsigned char oled72_initbuf[] = { 0x00, 0xae, 0xa8, 0x3f, 0xd3, 0x00, 0x40, 0xa1, 0xc8, 0xda, 0x12, 0x81, 0xff,
0xad, 0x30, 0xd9, 0xf1, 0xa4, 0xa6, 0xd5, 0x80, 0x8d, 0x14, 0xaf, 0x20, 0x02 };
// some globals
static void __oledWriteCommand(SSOLED *pOLED, unsigned char c);
void __InvertBytes(uint8_t *pData, uint8_t bLen);
// wrapper/adapter functions to make the code work on Linux
static uint8_t pgm_read_byte(uint8_t *ptr)
{
return *ptr;
}
static int16_t pgm_read_word(uint8_t *ptr)
{
return ptr[0] + (ptr[1] << 8);
}
static void _I2CWrite(SSOLED *pOLED, unsigned char *pData, int iLen)
{
I2CWrite(&pOLED->bbi2c, pOLED->oled_addr, pData, iLen);
} /* _I2CWrite() */
//
// Initializes the OLED controller into "page mode"
//
int __oledInit(SSOLED *pOLED, int bInvert, int32_t iSpeed)
{
unsigned char uc[4];
int rc = OLED_NOT_FOUND;
int iAddr = pOLED->oled_addr;
int bFlip = (int) pOLED->oled_flip;
int iType = pOLED->oled_type;
pOLED->ucScreen = NULL; // reset backbuffer; user must provide one later
pOLED->oled_wrap = 0; // default - disable text wrap
I2CInit(&pOLED->bbi2c, iSpeed); // on Linux, SDA = bus number, SCL = device address
// find the device address if requested
if (iAddr == -1 || iAddr == 0 || iAddr == 0xff) // find it
{
I2CTest(&pOLED->bbi2c, 0x3c);
if (I2CTest(&pOLED->bbi2c, 0x3c))
pOLED->oled_addr = 0x3c;
else if (I2CTest(&pOLED->bbi2c, 0x3d))
pOLED->oled_addr = 0x3d;
else
return rc; // no display found!
}
else
{
pOLED->oled_addr = iAddr;
I2CTest(&pOLED->bbi2c, iAddr);
if (!I2CTest(&pOLED->bbi2c, iAddr))
return rc; // no display found
}
// Detect the display controller (SSD1306, SH1107 or SH1106)
uint8_t u = 0;
I2CReadRegister(&pOLED->bbi2c, pOLED->oled_addr, 0x00, &u, 1); // read the status register
u &= 0x0f; // mask off power on/off bit
if (u == 0x7 || u == 0xf) // SH1107
{
pOLED->oled_type = OLED_128x128;
rc = OLED_SH1107_3C;
bFlip = !bFlip; // SH1107 seems to have this reversed from the usual direction
}
else if (u == 0x8) // SH1106
{
rc = OLED_SH1106_3C;
pOLED->oled_type = OLED_132x64; // needs to be treated a little differently
}
else if (u == 3 || u == 6) // 6=128x64 display, 3=smaller
{
rc = OLED_SSD1306_3C;
}
if (pOLED->oled_addr == 0x3d)
rc++; // return the '3D' version of the type
if (iType == OLED_128x32 || iType == OLED_96x16)
_I2CWrite(pOLED, (unsigned char *) oled32_initbuf, sizeof(oled32_initbuf));
else if (iType == OLED_128x128)
_I2CWrite(pOLED, (unsigned char *) oled128_initbuf, sizeof(oled128_initbuf));
else if (iType == OLED_72x40)
_I2CWrite(pOLED, (unsigned char *) oled72_initbuf, sizeof(oled72_initbuf));
else
// 132x64, 128x64 and 64x32
_I2CWrite(pOLED, (unsigned char *) oled64_initbuf, sizeof(oled64_initbuf));
if (bInvert)
{
uc[0] = 0; // command
uc[1] = 0xa7; // invert command
_I2CWrite(pOLED, uc, 2);
}
if (bFlip) // rotate display 180
{
uc[0] = 0; // command
uc[1] = 0xa0;
_I2CWrite(pOLED, uc, 2);
uc[1] = 0xc0;
_I2CWrite(pOLED, uc, 2);
}
pOLED->oled_x = 128; // assume 128x64
pOLED->oled_y = 64;
if (iType == OLED_96x16)
{
pOLED->oled_x = 96;
pOLED->oled_y = 16;
}
else if (iType == OLED_128x32)
pOLED->oled_y = 32;
else if (iType == OLED_128x128)
pOLED->oled_y = 128;
else if (iType == OLED_64x32)
{
pOLED->oled_x = 64;
pOLED->oled_y = 32;
}
else if (iType == OLED_72x40)
{
pOLED->oled_x = 72;
pOLED->oled_y = 40;
}
return rc;
} /* oledInit() */
//
// Sends a command to turn on or off the OLED display
//
void __oledPower(SSOLED *pOLED, uint8_t bOn)
{
if (bOn)
__oledWriteCommand(pOLED, 0xaf); // turn on OLED
else
__oledWriteCommand(pOLED, 0xae); // turn off OLED
} /* oledPower() */
// Send a single byte command to the OLED controller
static void __oledWriteCommand(SSOLED *pOLED, unsigned char c)
{
unsigned char buf[2];
buf[0] = 0x00; // command introducer
buf[1] = c;
_I2CWrite(pOLED, buf, 2);
} /* oledWriteCommand() */
static void __oledWriteCommand2(SSOLED *pOLED, unsigned char c, unsigned char d)
{
unsigned char buf[3];
buf[0] = 0x00;
buf[1] = c;
buf[2] = d;
_I2CWrite(pOLED, buf, 3);
} /* oledWriteCommand2() */
//
// Sets the brightness (0=off, 255=brightest)
//
void __oledSetContrast(SSOLED *pOLED, unsigned char ucContrast)
{
__oledWriteCommand2(pOLED, 0x81, ucContrast);
} /* oledSetContrast() */
//
// Scroll the internal buffer by 1 scanline (up/down)
// width is in pixels, lines is group of 8 rows
//
int __oledScrollBuffer(SSOLED *pOLED, int iStartCol, int iEndCol, int iStartRow, int iEndRow, int bUp)
{
uint8_t b, *s;
int col, row;
if (iStartCol < 0 || iStartCol > 127 || iEndCol < 0 || iEndCol > 127 || iStartCol > iEndCol) // invalid
return -1;
if (iStartRow < 0 || iStartRow > 7 || iEndRow < 0 || iEndRow > 7 || iStartRow > iEndRow)
return -1;
if (bUp)
{
for (row = iStartRow; row <= iEndRow; row++)
{
s = &pOLED->ucScreen[(row * 128) + iStartCol];
for (col = iStartCol; col <= iEndCol; col++)
{
b = *s;
b >>= 1; // scroll pixels 'up'
if (row < iEndRow)
b |= (s[128] << 7); // capture pixel of row below, except for last row
*s++ = b;
} // for col
} // for row
} // up
else // down
{
for (row = iEndRow; row >= iStartRow; row--)
{
s = &pOLED->ucScreen[(row * 128) + iStartCol];
for (col = iStartCol; col <= iEndCol; col++)
{
b = *s;
b <<= 1; // scroll down
if (row > iStartRow)
b |= (s[-128] >> 7); // capture pixel of row above
*s++ = b;
} // for col
} // for row
}
return 0;
} /* oledScrollBuffer() */
//
// Send commands to position the "cursor" (aka memory write address)
// to the given row and column
//
static void __oledSetPosition(SSOLED *pOLED, int x, int y, int bRender)
{
unsigned char buf[4];
pOLED->iScreenOffset = (y * 128) + x;
if (!bRender)
return; // don't send the commands to the OLED if we're not rendering the graphics now
if (pOLED->oled_type == OLED_64x32) // visible display starts at column 32, row 4
{
x += 32; // display is centered in VRAM, so this is always true
if (pOLED->oled_flip == 0) // non-flipped display starts from line 4
y += 4;
}
else if (pOLED->oled_type == OLED_132x64) // SH1106 has 128 pixels centered in 132
{
x += 2;
}
else if (pOLED->oled_type == OLED_96x16) // visible display starts at line 2
{ // mapping is a bit strange on the 96x16 OLED
if (pOLED->oled_flip)
x += 32;
else
y += 2;
}
else if (pOLED->oled_type == OLED_72x40) // starts at x=28,y=3
{
x += 28;
if (!pOLED->oled_flip)
{
y += 3;
}
}
buf[0] = 0x00; // command introducer
buf[1] = 0xb0 | y; // set page to Y
buf[2] = x & 0xf; // lower column address
buf[3] = 0x10 | (x >> 4); // upper column addr
_I2CWrite(pOLED, buf, 4);
} /* oledSetPosition() */
//
// Write a block of pixel data to the OLED
// Length can be anything from 1 to 1024 (whole display)
//
static void __oledWriteDataBlock(SSOLED *pOLED, unsigned char *ucBuf, int iLen, int bRender)
{
unsigned char ucTemp[129];
ucTemp[0] = 0x40; // data command
// Copying the data has the benefit in SPI mode of not letting
// the original data get overwritten by the SPI.transfer() function
if (bRender)
{
memcpy(&ucTemp[1], ucBuf, iLen);
_I2CWrite(pOLED, ucTemp, iLen + 1);
}
// Keep a copy in local buffer
if (pOLED->ucScreen)
{
memcpy(&pOLED->ucScreen[pOLED->iScreenOffset], ucBuf, iLen);
pOLED->iScreenOffset += iLen;
pOLED->iScreenOffset &= 1023; // we use a fixed stride of 128 no matter what the display size
}
}
//
// Byte operands for compressing the data
// The first 2 bits are the type, followed by the counts
#define OP_MASK 0xc0
#define OP_SKIPCOPY 0x00
#define OP_COPYSKIP 0x40
#define OP_REPEATSKIP 0x80
#define OP_REPEAT 0xc0
//
// Write a block of flash memory to the display
//
void __oledWriteFlashBlock(SSOLED *pOLED, uint8_t *s, int iLen)
{
int j;
int iWidthMask = pOLED->oled_x - 1;
int iSizeMask = ((pOLED->oled_x * pOLED->oled_y) / 8) - 1;
int iWidthShift = (pOLED->oled_x == 128) ? 7 : 6; // assume 128 or 64 wide
uint8_t ucTemp[128];
while (((pOLED->iScreenOffset & iWidthMask) + iLen) >= pOLED->oled_x) // if it will hit the page end
{
j = pOLED->oled_x - (pOLED->iScreenOffset & iWidthMask); // amount we can write in one shot
memcpy(ucTemp, s, j);
__oledWriteDataBlock(pOLED, ucTemp, j, 1);
s += j;
iLen -= j;
pOLED->iScreenOffset = (pOLED->iScreenOffset + j) & iSizeMask;
__oledSetPosition(pOLED, pOLED->iScreenOffset & iWidthMask, (pOLED->iScreenOffset >> iWidthShift), 1);
} // while it needs some help
memcpy(ucTemp, s, iLen);
__oledWriteDataBlock(pOLED, ucTemp, iLen, 1);
pOLED->iScreenOffset = (pOLED->iScreenOffset + iLen) & iSizeMask;
} /* oledWriteFlashBlock() */
//
// Write a repeating byte to the display
//
void __oledRepeatByte(SSOLED *pOLED, uint8_t b, int iLen)
{
int j;
int iWidthMask = pOLED->oled_x - 1;
int iWidthShift = (pOLED->oled_x == 128) ? 7 : 6; // assume 128 or 64 pixels wide
int iSizeMask = ((pOLED->oled_x * pOLED->oled_y) / 8) - 1;
uint8_t ucTemp[128];
memset(ucTemp, b, (iLen > 128) ? 128 : iLen);
while (((pOLED->iScreenOffset & iWidthMask) + iLen) >= pOLED->oled_x) // if it will hit the page end
{
j = pOLED->oled_x - (pOLED->iScreenOffset & iWidthMask); // amount we can write in one shot
__oledWriteDataBlock(pOLED, ucTemp, j, 1);
iLen -= j;
pOLED->iScreenOffset = (pOLED->iScreenOffset + j) & iSizeMask;
__oledSetPosition(pOLED, pOLED->iScreenOffset & iWidthMask, (pOLED->iScreenOffset >> iWidthShift), 1);
} // while it needs some help
__oledWriteDataBlock(pOLED, ucTemp, iLen, 1);
pOLED->iScreenOffset += iLen;
} /* oledRepeatByte() */
//
// Play a frame of animation data
// The animation data is assumed to be encoded for a full frame of the display
// Given the pointer to the start of the compressed data,
// it returns the pointer to the start of the next frame
// Frame rate control is up to the calling program to manage
// When it finishes the last frame, it will start again from the beginning
//
uint8_t * __oledPlayAnimFrame(SSOLED *pOLED, uint8_t *pAnimation, uint8_t *pCurrent, int iLen)
{
uint8_t *s;
int i, j;
unsigned char b, bCode;
int iBufferSize = (pOLED->oled_x * pOLED->oled_y) / 8; // size in bytes of the display devce
int iWidthMask, iWidthShift;
iWidthMask = pOLED->oled_x - 1;
iWidthShift = (pOLED->oled_x == 128) ? 7 : 6; // 128 or 64 pixels wide
if (pCurrent == NULL || pCurrent > pAnimation + iLen)
return NULL; // invalid starting point
s = (uint8_t *) pCurrent; // start of animation data
i = 0;
__oledSetPosition(pOLED, 0, 0, 1);
while (i < iBufferSize) // run one frame
{
bCode = pgm_read_byte(s++);
switch (bCode & OP_MASK)
// different compression types
{
case OP_SKIPCOPY: // skip/copy
if (bCode == OP_SKIPCOPY) // big skip
{
b = pgm_read_byte(s++);
i += b + 1;
__oledSetPosition(pOLED, i & iWidthMask, (i >> iWidthShift), 1);
}
else // skip/copy
{
if (bCode & 0x38)
{
i += ((bCode & 0x38) >> 3); // skip amount
__oledSetPosition(pOLED, i & iWidthMask, (i >> iWidthShift), 1);
}
if (bCode & 7)
{
__oledWriteFlashBlock(pOLED, s, bCode & 7);
s += (bCode & 7);
i += bCode & 7;
}
}
break;
case OP_COPYSKIP: // copy/skip
if (bCode == OP_COPYSKIP) // big copy
{
b = pgm_read_byte(s++);
j = b + 1;
__oledWriteFlashBlock(pOLED, s, j);
s += j;
i += j;
}
else
{
j = ((bCode & 0x38) >> 3);
if (j)
{
__oledWriteFlashBlock(pOLED, s, j);
s += j;
i += j;
}
if (bCode & 7)
{
i += (bCode & 7); // skip
__oledSetPosition(pOLED, i & iWidthMask, (i >> iWidthShift), 1);
}
}
break;
case OP_REPEATSKIP: // repeat/skip
j = (bCode & 0x38) >> 3; // repeat count
b = pgm_read_byte(s++);
__oledRepeatByte(pOLED, b, j);
i += j;
if (bCode & 7)
{
i += (bCode & 7); // skip amount
__oledSetPosition(pOLED, i & iWidthMask, (i >> iWidthShift), 1);
}
break;
case OP_REPEAT:
j = (bCode & 0x3f) + 1;
b = pgm_read_byte(s++);
__oledRepeatByte(pOLED, b, j);
i += j;
break;
} // switch on code type
} // while rendering a frame
if (s >= pAnimation + iLen) // we've hit the end, restart from the beginning
s = pAnimation;
return s; // return pointer to start of next frame
} /* oledPlayAnimFrame() */
//
// Draw a sprite of any size in any position
// If it goes beyond the left/right or top/bottom edges
// it's trimmed to show the valid parts
// This function requires a back buffer to be defined
// The priority color (0 or 1) determines which color is painted
// when a 1 is encountered in the source image.
//
void __oledDrawSprite(SSOLED *pOLED, uint8_t *pSprite, int cx, int cy, int iPitch, int x, int y, uint8_t iPriority)
{
int tx, ty, dx, dy, iStartX;
uint8_t *s, *d, uc, pix, ucSrcMask, ucDstMask;
if (x + cx < 0 || y + cy < 0 || x >= pOLED->oled_x || y >= pOLED->oled_y || pOLED->ucScreen == NULL)
return; // no backbuffer or out of bounds
dy = y; // destination y
if (y < 0) // skip the invisible parts
{
cy += y;
y = -y;
pSprite += (y * iPitch);
dy = 0;
}
if (y + cy > pOLED->oled_y)
cy = pOLED->oled_y - y;
iStartX = 0;
dx = x;
if (x < 0)
{
cx += x;
x = -x;
iStartX = x;
dx = 0;
}
if (x + cx > pOLED->oled_x)
cx = pOLED->oled_x - x;
for (ty = 0; ty < cy; ty++)
{
s = &pSprite[iStartX >> 3];
d = &pOLED->ucScreen[(dy >> 3) * pOLED->oled_x + dx];
ucSrcMask = 0x80 >> (iStartX & 7);
pix = *s++;
ucDstMask = 1 << (dy & 7);
if (iPriority) // priority color is 1
{
for (tx = 0; tx < cx; tx++)
{
uc = d[0];
if (pix & ucSrcMask) // set pixel in source, set it in dest
d[0] = (uc | ucDstMask);
d++; // next pixel column
ucSrcMask >>= 1;
if (ucSrcMask == 0) // read next byte
{
ucSrcMask = 0x80;
pix = *s++;
}
} // for tx
} // priorty color 1
else
{
for (tx = 0; tx < cx; tx++)
{
uc = d[0];
if (pix & ucSrcMask) // clr pixel in source, clr it in dest
d[0] = (uc & ~ucDstMask);
d++; // next pixel column
ucSrcMask >>= 1;
if (ucSrcMask == 0) // read next byte
{
ucSrcMask = 0x80;
pix = *s++;
}
} // for tx
} // priority color 0
dy++;
pSprite += iPitch;
} // for ty
} /* oledDrawSprite() */
//
// Draw a 16x16 tile in any of 4 rotated positions
// Assumes input image is laid out like "normal" graphics with
// the MSB on the left and 2 bytes per line
// On AVR, the source image is assumed to be in FLASH memory
// The function can draw the tile on byte boundaries, so the x value
// can be from 0 to 112 and y can be from 0 to 6
//
void __oledDrawTile(SSOLED *pOLED, const uint8_t *pTile, int x, int y, int iRotation, int bInvert, int bRender)
{
uint8_t ucTemp[32]; // prepare LCD data here
uint8_t i, j, k, iOffset, ucMask, uc, ucPixels;
uint8_t bFlipX = 0, bFlipY = 0;
if (x < 0 || y < 0 || y > 6 || x > 112)
return; // out of bounds
if (pTile == NULL)
return; // bad pointer; really? :(
if (iRotation == ANGLE_180 || iRotation == ANGLE_270 || iRotation == ANGLE_FLIPX)
bFlipX = 1;
if (iRotation == ANGLE_180 || iRotation == ANGLE_270 || iRotation == ANGLE_FLIPY)
bFlipY = 1;
memset(ucTemp, 0, sizeof(ucTemp)); // we only set white pixels, so start from black
if (iRotation == ANGLE_0 || iRotation == ANGLE_180 || iRotation == ANGLE_FLIPX || iRotation == ANGLE_FLIPY)
{
for (j = 0; j < 16; j++) // y
{
for (i = 0; i < 16; i += 8) // x
{
ucPixels = pgm_read_byte((uint8_t*) pTile++);
ucMask = 0x80; // MSB is the first source pixel
for (k = 0; k < 8; k++)
{
if (ucPixels & ucMask) // translate the pixel
{
if (bFlipY)
uc = 0x80 >> (j & 7);
else
uc = 1 << (j & 7);
iOffset = i + k;
if (bFlipX)
iOffset = 15 - iOffset;
iOffset += (j & 8) << 1; // top/bottom half of output
if (bFlipY)
iOffset ^= 16;
ucTemp[iOffset] |= uc;
}
ucMask >>= 1;
} // for k
} // for i
} // for j
}
else // rotated 90/270
{
for (j = 0; j < 16; j++) // y
{
for (i = 0; i < 16; i += 8) // x
{
ucPixels = pgm_read_byte((uint8_t*) pTile++);
ucMask = 0x80; // MSB is the first source pixel
for (k = 0; k < 8; k++)
{
if (ucPixels & ucMask) // translate the pixel
{
if (bFlipY)
uc = 0x80 >> k;
else
uc = 1 << k;
iOffset = 15 - j;
if (bFlipX)
iOffset = 15 - iOffset;
iOffset += i << 1; // top/bottom half of output
if (bFlipY)
iOffset ^= 16;
ucTemp[iOffset] |= uc;
}
ucMask >>= 1;
} // for k
} // for i
} // for j
}
if (bInvert)
__InvertBytes(ucTemp, 32);
// Send the data to the display
__oledSetPosition(pOLED, x, y, bRender);
__oledWriteDataBlock(pOLED, ucTemp, 16, bRender); // top half
__oledSetPosition(pOLED, x, y + 1, bRender);
__oledWriteDataBlock(pOLED, &ucTemp[16], 16, bRender); // bottom half
} /* oledDrawTile() */
// Set (or clear) an individual pixel
// The local copy of the frame buffer is used to avoid
// reading data from the display controller
int __oledSetPixel(SSOLED *pOLED, int x, int y, unsigned char ucColor, int bRender)
{
int i;
unsigned char uc, ucOld;
i = ((y >> 3) * 128) + x;
if (i < 0 || i > 1023) // off the screen
return -1;
__oledSetPosition(pOLED, x, y >> 3, bRender);
if (pOLED->ucScreen)
uc = ucOld = pOLED->ucScreen[i];
else if (pOLED->oled_type == OLED_132x64 || pOLED->oled_type == OLED_128x128) // SH1106/SH1107 can read data
{
uint8_t ucTemp[3];
ucTemp[0] = 0x80; // one command
ucTemp[1] = 0xE0; // read_modify_write
ucTemp[2] = 0xC0; // one data
_I2CWrite(pOLED, ucTemp, 3);
// read a dummy byte followed by the data byte we want
I2CRead(&pOLED->bbi2c, pOLED->oled_addr, ucTemp, 2);
uc = ucOld = ucTemp[1]; // first byte is garbage
}
else
uc = ucOld = 0;
uc &= ~(0x1 << (y & 7));
if (ucColor)
{
uc |= (0x1 << (y & 7));
}
if (uc != ucOld) // pixel changed
{
// oledSetPosition(x, y>>3);
if (pOLED->ucScreen)
{
__oledWriteDataBlock(pOLED, &uc, 1, bRender);
pOLED->ucScreen[i] = uc;
}
else if (pOLED->oled_type == OLED_132x64 || pOLED->oled_type == OLED_128x128) // end the read_modify_write operation
{
uint8_t ucTemp[4];
ucTemp[0] = 0xc0; // one data
ucTemp[1] = uc; // actual data
ucTemp[2] = 0x80; // one command
ucTemp[3] = 0xEE; // end read_modify_write operation
_I2CWrite(pOLED, ucTemp, 4);
}
}
return 0;
} /* oledSetPixel() */
//
// Invert font data
//
void __InvertBytes(uint8_t *pData, uint8_t bLen)
{
uint8_t i;
for (i = 0; i < bLen; i++)
{
*pData = ~(*pData);
pData++;
}
} /* InvertBytes() */
//
// Load a 128x64 1-bpp Windows bitmap
// Pass the pointer to the beginning of the BMP file
// First pass version assumes a full screen bitmap
//
int __oledLoadBMP(SSOLED *pOLED, uint8_t *pBMP, int bInvert, int bRender)
{
int16_t i16;
int iOffBits, q, y, j; // offset to bitmap data
int iPitch;
uint8_t x, z, b, *s;
uint8_t dst_mask;
uint8_t ucTemp[16]; // process 16 bytes at a time
uint8_t bFlipped = false;
i16 = pgm_read_word(pBMP);
if (i16 != 0x4d42) // must start with 'BM'
return -1; // not a BMP file
i16 = pgm_read_word(pBMP + 18);
if (i16 != 128) // must be 128 pixels wide
return -1;
i16 = pgm_read_word(pBMP + 22);
if (i16 != 64 && i16 != -64) // must be 64 pixels tall
return -1;
if (i16 == 64) // BMP is flipped vertically (typical)
bFlipped = true;
i16 = pgm_read_word(pBMP + 28);
if (i16 != 1) // must be 1 bit per pixel
return -1;
iOffBits = pgm_read_word(pBMP + 10);
iPitch = 16;
if (bFlipped)
{
iPitch = -16;
iOffBits += (63 * 16); // start from bottom
}
// rotate the data and send it to the display
for (y = 0; y < 8; y++) // 8 lines of 8 pixels
{
__oledSetPosition(pOLED, 0, y, bRender);
for (j = 0; j < 8; j++) // do 8 sections of 16 columns
{
s = &pBMP[iOffBits + (j * 2) + (y * iPitch * 8)]; // source line
memset(ucTemp, 0, 16); // start with all black
for (x = 0; x < 16; x += 8) // do each block of 16x8 pixels
{
dst_mask = 1;
for (q = 0; q < 8; q++) // gather 8 rows
{
b = pgm_read_byte(s + (q * iPitch));
for (z = 0; z < 8; z++) // gather up the 8 bits of this column
{
if (b & 0x80)
ucTemp[x + z] |= dst_mask;
b <<= 1;
} // for z
dst_mask <<= 1;
} // for q
s++; // next source byte
} // for x
if (bInvert)
__InvertBytes(ucTemp, 16);
__oledWriteDataBlock(pOLED, ucTemp, 16, bRender);
} // for j
} // for y
return 0;
} /* oledLoadBMP() */
//
// Set the current cursor position
// The column represents the pixel column (0-127)
// The row represents the text row (0-7)
//
void __oledSetCursor(SSOLED *pOLED, int x, int y)
{
pOLED->iCursorX = x;
pOLED->iCursorY = y;
} /* oledSetCursor() */
//
// Turn text wrap on or off for the oldWriteString() function
//
void __oledSetTextWrap(SSOLED *pOLED, int bWrap)
{
pOLED->oled_wrap = bWrap;
} /* oledSetTextWrap() */
//
// Draw a string of normal (8x8), small (6x8) or large (16x32) characters
// At the given col+row
//
int __oledWriteString(SSOLED *pOLED, int iScroll, int x, int y, char *szMsg, int iSize, int bInvert, int bRender)
{
int i, iFontOff, iLen, iFontSkip;
unsigned char c, *s, ucTemp[40];
if (x == -1 || y == -1) // use the cursor position
{
x = pOLED->iCursorX;
y = pOLED->iCursorY;
}
else
{
pOLED->iCursorX = x;
pOLED->iCursorY = y; // set the new cursor position
}
if (pOLED->iCursorX >= pOLED->oled_x || pOLED->iCursorY >= pOLED->oled_y / 8)
return -1; // can't draw off the display
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
if (iSize == FONT_8x8) // 8x8 font
{
i = 0;
iFontSkip = iScroll & 7; // number of columns to initially skip
while (pOLED->iCursorX < pOLED->oled_x && szMsg[i] != 0 && pOLED->iCursorY < pOLED->oled_y / 8)
{
if (iScroll < 8) // only display visible characters
{
c = (unsigned char) szMsg[i];
iFontOff = (int) (c - 32) * 7;
// we can't directly use the pointer to FLASH memory, so copy to a local buffer
ucTemp[0] = 0;
memcpy(&ucTemp[1], &ucFont[iFontOff], 7);
if (bInvert)
__InvertBytes(ucTemp, 8);
// oledCachedWrite(ucTemp, 8);
iLen = 8 - iFontSkip;
if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge
iLen = pOLED->oled_x - pOLED->iCursorX;
__oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern
pOLED->iCursorX += iLen;
if (pOLED->iCursorX >= pOLED->oled_x - 7 && pOLED->oled_wrap) // word wrap enabled?
{
pOLED->iCursorX = 0; // start at the beginning of the next line
pOLED->iCursorY++;
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
}
iFontSkip = 0;
}
iScroll -= 8;
i++;
} // while
// oledCachedFlush(); // write any remaining data
return 0;
} // 8x8
#ifndef __AVR__
else if (iSize == FONT_16x32) // 16x32 font
{
i = 0;
iFontSkip = iScroll & 15; // number of columns to initially skip
while (pOLED->iCursorX < pOLED->oled_x && pOLED->iCursorY < (pOLED->oled_y / 8) - 3 && szMsg[i] != 0)
{
if (iScroll < 16) // if characters are visible
{
s = (unsigned char *) &ucBigFont[(unsigned char) (szMsg[i] - 32) * 64];
iLen = 16 - iFontSkip;
if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge
iLen = pOLED->oled_x - pOLED->iCursorX;
// we can't directly use the pointer to FLASH memory, so copy to a local buffer
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
memcpy(ucTemp, s, 16);
if (bInvert)
__InvertBytes(ucTemp, 16);
__oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY + 1, bRender);
memcpy(ucTemp, s + 16, 16);
if (bInvert)
__InvertBytes(ucTemp, 16);
__oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern
if (pOLED->iCursorY <= 5)
{
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY + 2, bRender);
memcpy(ucTemp, s + 32, 16);
if (bInvert)
__InvertBytes(ucTemp, 16);
__oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern
}
if (pOLED->iCursorY <= 4)
{
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY + 3, bRender);
memcpy(ucTemp, s + 48, 16);
if (bInvert)
__InvertBytes(ucTemp, 16);
__oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern
}
pOLED->iCursorX += iLen;
if (pOLED->iCursorX >= pOLED->oled_x - 15 && pOLED->oled_wrap) // word wrap enabled?
{
pOLED->iCursorX = 0; // start at the beginning of the next line
pOLED->iCursorY += 4;
}
iFontSkip = 0;
} // if character visible from scrolling
iScroll -= 16;
i++;
} // while
return 0;
} // 16x32
#endif // !__AVR__
else if (iSize == FONT_12x16) // 6x8 stretched to 12x16
{
i = 0;
iFontSkip = iScroll % 12; // number of columns to initially skip
while (pOLED->iCursorX < pOLED->oled_x && pOLED->iCursorY < (pOLED->oled_y / 8) - 1 && szMsg[i] != 0)
{
// stretch the 'normal' font instead of using the big font
if (iScroll < 12) // if characters are visible
{
int tx, ty;
c = szMsg[i] - 32;
unsigned char uc1, uc2, ucMask, *pDest;
s = (unsigned char *) &ucSmallFont[(int) c * 5];
ucTemp[0] = 0; // first column is blank
memcpy(&ucTemp[1], s, 6);
if (bInvert)
__InvertBytes(ucTemp, 6);
// Stretch the font to double width + double height
memset(&ucTemp[6], 0, 24); // write 24 new bytes
for (tx = 0; tx < 6; tx++)
{
ucMask = 3;
pDest = &ucTemp[6 + tx * 2];
uc1 = uc2 = 0;
c = ucTemp[tx];
for (ty = 0; ty < 4; ty++)
{
if (c & (1 << ty)) // a bit is set
uc1 |= ucMask;
if (c & (1 << (ty + 4)))
uc2 |= ucMask;
ucMask <<= 2;
}
pDest[0] = uc1;
pDest[1] = uc1; // double width
pDest[12] = uc2;
pDest[13] = uc2;
}
// smooth the diagonal lines
for (tx = 0; tx < 5; tx++)
{
uint8_t c0, c1, ucMask2;
c0 = ucTemp[tx];
c1 = ucTemp[tx + 1];
pDest = &ucTemp[6 + tx * 2];
ucMask = 1;
ucMask2 = 2;
for (ty = 0; ty < 7; ty++)
{
if (((c0 & ucMask) && !(c1 & ucMask) && !(c0 & ucMask2) && (c1 & ucMask2))
|| (!(c0 & ucMask) && (c1 & ucMask) && (c0 & ucMask2) && !(c1 & ucMask2)))
{
if (ty < 3) // top half
{
pDest[1] |= (1 << ((ty * 2) + 1));
pDest[2] |= (1 << ((ty * 2) + 1));
pDest[1] |= (1 << ((ty + 1) * 2));
pDest[2] |= (1 << ((ty + 1) * 2));
}
else if (ty == 3) // on the border
{
pDest[1] |= 0x80;
pDest[2] |= 0x80;
pDest[13] |= 1;
pDest[14] |= 1;
}
else // bottom half
{
pDest[13] |= (1 << (2 * (ty - 4) + 1));
pDest[14] |= (1 << (2 * (ty - 4) + 1));
pDest[13] |= (1 << ((ty - 3) * 2));
pDest[14] |= (1 << ((ty - 3) * 2));
}
}
else if (!(c0 & ucMask) && (c1 & ucMask) && (c0 & ucMask2) && !(c1 & ucMask2))
{
if (ty < 4) // top half
{
pDest[1] |= (1 << ((ty * 2) + 1));
pDest[2] |= (1 << ((ty + 1) * 2));
}
else
{
pDest[13] |= (1 << (2 * (ty - 4) + 1));
pDest[14] |= (1 << ((ty - 3) * 2));
}
}
ucMask <<= 1;
ucMask2 <<= 1;
}
}
iLen = 12 - iFontSkip;
if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge
iLen = pOLED->oled_x - pOLED->iCursorX;
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
__oledWriteDataBlock(pOLED, &ucTemp[6 + iFontSkip], iLen, bRender);
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY + 1, bRender);
__oledWriteDataBlock(pOLED, &ucTemp[18 + iFontSkip], iLen, bRender);
pOLED->iCursorX += iLen;
if (pOLED->iCursorX >= pOLED->oled_x - 11 && pOLED->oled_wrap) // word wrap enabled?
{
pOLED->iCursorX = 0; // start at the beginning of the next line
pOLED->iCursorY += 2;
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
}
iFontSkip = 0;
} // if characters are visible
iScroll -= 12;
i++;
} // while
return 0;
} // 12x16
else if (iSize == FONT_16x16) // 8x8 stretched to 16x16
{
i = 0;
iFontSkip = iScroll & 15; // number of columns to initially skip
while (pOLED->iCursorX < pOLED->oled_x && pOLED->iCursorY < (pOLED->oled_y / 8) - 1 && szMsg[i] != 0)
{
// stretch the 'normal' font instead of using the big font
if (iScroll < 16) // if characters are visible
{
int tx, ty;
c = szMsg[i] - 32;
unsigned char uc1, uc2, ucMask, *pDest;
s = (unsigned char *) &ucFont[(int) c * 7];
ucTemp[0] = 0;
memcpy(&ucTemp[1], s, 7);
if (bInvert)
__InvertBytes(ucTemp, 8);
// Stretch the font to double width + double height
memset(&ucTemp[8], 0, 32); // write 32 new bytes
for (tx = 0; tx < 8; tx++)
{
ucMask = 3;
pDest = &ucTemp[8 + tx * 2];
uc1 = uc2 = 0;
c = ucTemp[tx];
for (ty = 0; ty < 4; ty++)
{
if (c & (1 << ty)) // a bit is set
uc1 |= ucMask;
if (c & (1 << (ty + 4)))
uc2 |= ucMask;
ucMask <<= 2;
}
pDest[0] = uc1;
pDest[1] = uc1; // double width
pDest[16] = uc2;
pDest[17] = uc2;
}
iLen = 16 - iFontSkip;
if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge
iLen = pOLED->oled_x - pOLED->iCursorX;
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
__oledWriteDataBlock(pOLED, &ucTemp[8 + iFontSkip], iLen, bRender);
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY + 1, bRender);
__oledWriteDataBlock(pOLED, &ucTemp[24 + iFontSkip], iLen, bRender);
pOLED->iCursorX += iLen;
if (pOLED->iCursorX >= pOLED->oled_x - 15 && pOLED->oled_wrap) // word wrap enabled?
{
pOLED->iCursorX = 0; // start at the beginning of the next line
pOLED->iCursorY += 2;
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
}
iFontSkip = 0;
} // if characters are visible
iScroll -= 16;
i++;
} // while
return 0;
} // 16x16
else if (iSize == FONT_6x8) // 6x8 font
{
i = 0;
iFontSkip = iScroll % 6;
while (pOLED->iCursorX < pOLED->oled_x && pOLED->iCursorY < (pOLED->oled_y / 8) && szMsg[i] != 0)
{
if (iScroll < 6) // if characters are visible
{
c = szMsg[i] - 32;
// we can't directly use the pointer to FLASH memory, so copy to a local buffer
ucTemp[0] = 0;
memcpy(&ucTemp[1], &ucSmallFont[(int) c * 5], 5);
if (bInvert)
__InvertBytes(ucTemp, 6);
iLen = 6 - iFontSkip;
if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge
iLen = pOLED->oled_x - pOLED->iCursorX;
__oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern
// oledCachedWrite(ucTemp, 6);
pOLED->iCursorX += iLen;
iFontSkip = 0;
if (pOLED->iCursorX >= pOLED->oled_x - 5 && pOLED->oled_wrap) // word wrap enabled?
{
pOLED->iCursorX = 0; // start at the beginning of the next line
pOLED->iCursorY++;
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
}
} // if characters are visible
iScroll -= 6;
i++;
}
// oledCachedFlush(); // write any remaining data
return 0;
} // 6x8
return -1; // invalid size
} /* oledWriteString() */
//
// Render a sprite/rectangle of pixels from a provided buffer to the display.
// The row values refer to byte rows, not pixel rows due to the memory
// layout of OLEDs.
// returns 0 for success, -1 for invalid parameter
//
int __oledDrawGFX(SSOLED *pOLED, uint8_t *pBuffer, int iSrcCol, int iSrcRow, int iDestCol, int iDestRow, int iWidth,
int iHeight, int iSrcPitch)
{
int y;
if (iSrcCol < 0 || iSrcCol > 127 || iSrcRow < 0 || iSrcRow > 7 || iDestCol < 0 || iDestCol >= pOLED->oled_x
|| iDestRow < 0 || iDestRow >= (pOLED->oled_y >> 3) || iSrcPitch <= 0)
return -1; // invalid
for (y = iSrcRow; y < iSrcRow + iHeight; y++)
{
uint8_t *s = &pBuffer[(y * iSrcPitch) + iSrcCol];
__oledSetPosition(pOLED, iDestCol, iDestRow, 1);
__oledWriteDataBlock(pOLED, s, iWidth, 1);
pBuffer += iSrcPitch;
iDestRow++;
} // for y
return 0;
} /* oledDrawGFX() */
//
// Dump a screen's worth of data directly to the display
// Try to speed it up by comparing the new bytes with the existing buffer
//
void __oledDumpBuffer(SSOLED *pOLED, uint8_t *pBuffer)
{
int x, y;
int iLines, iCols;
uint8_t bNeedPos;
uint8_t *pSrc = pOLED->ucScreen;
if (pBuffer == NULL) // dump the internal buffer if none is given
pBuffer = pOLED->ucScreen;
if (pBuffer == NULL)
return; // no backbuffer and no provided buffer
iLines = pOLED->oled_y >> 3;
iCols = pOLED->oled_x >> 4;
for (y = 0; y < iLines; y++)
{
bNeedPos = 1; // start of a new line means we need to set the position too
for (x = 0; x < iCols; x++) // wiring library has a 32-byte buffer, so send 16 bytes so that the data prefix (0x40) can fit
{
if (pOLED->ucScreen == NULL || pBuffer == pSrc || memcmp(pSrc, pBuffer, 16) != 0) // doesn't match, need to send it
{
if (bNeedPos) // need to reposition output cursor?
{
bNeedPos = 0;
__oledSetPosition(pOLED, x * 16, y, 1);
}
__oledWriteDataBlock(pOLED, pBuffer, 16, 1);
}
else
{
bNeedPos = 1; // we're skipping a block, so next time will need to set the new position
}
pSrc += 16;
pBuffer += 16;
} // for x
pSrc += (128 - pOLED->oled_x); // for narrow displays, skip to the next line
pBuffer += (128 - pOLED->oled_x);
} // for y
} /* oledDumpBuffer() */
//
// Fill the frame buffer with a byte pattern
// e.g. all off (0x00) or all on (0xff)
//
void __oledFill(SSOLED *pOLED, unsigned char ucData, int bRender)
{
uint8_t x, y;
uint8_t iLines, iCols;
unsigned char temp[16];
iLines = pOLED->oled_y >> 3;
iCols = pOLED->oled_x >> 4;
memset(temp, ucData, 16);
pOLED->iCursorX = pOLED->iCursorY = 0;
for (y = 0; y < iLines; y++)
{
__oledSetPosition(pOLED, 0, y, bRender); // set to (0,Y)
for (x = 0; x < iCols; x++) // wiring library has a 32-byte buffer, so send 16 bytes so that the data prefix (0x40) can fit
{
__oledWriteDataBlock(pOLED, temp, 16, bRender);
} // for x
// 72 isn't evenly divisible by 16, so fix it
if (pOLED->oled_type == OLED_72x40)
__oledWriteDataBlock(pOLED, temp, 8, bRender);
} // for y
if (pOLED->ucScreen)
memset(pOLED->ucScreen, ucData, (pOLED->oled_x * pOLED->oled_y) / 8);
} /* oledFill() */
//
// Provide or revoke a back buffer for your OLED graphics
// This allows you to manage the RAM used by ss_oled on tiny
// embedded platforms like the ATmega series
// Pass NULL to revoke the buffer. Make sure you provide a buffer
// large enough for your display (e.g. 128x64 needs 1K - 1024 bytes)
//
void __oledSetBackBuffer(SSOLED *pOLED, uint8_t *pBuffer)
{
pOLED->ucScreen = pBuffer;
} /* oledSetBackBuffer() */
void __oledDrawLine(SSOLED *pOLED, int x1, int y1, int x2, int y2, int bRender)
{
int temp;
int dx = x2 - x1;
int dy = y2 - y1;
int error;
uint8_t *p, *pStart, mask, bOld, bNew;
int xinc, yinc;
int y, x;
if (x1 < 0 || x2 < 0 || y1 < 0 || y2 < 0 || x1 >= pOLED->oled_x || x2 >= pOLED->oled_x || y1 >= pOLED->oled_y
|| y2 >= pOLED->oled_y)
return;
if (abs(dx) > abs(dy))
{
// X major case
if (x2 < x1)
{
dx = -dx;
temp = x1;
x1 = x2;
x2 = temp;
temp = y1;
y1 = y2;
y2 = temp;
}
y = y1;
dy = (y2 - y1);
error = dx >> 1;
yinc = 1;
if (dy < 0)
{
dy = -dy;
yinc = -1;
}
p = pStart = &pOLED->ucScreen[x1 + ((y >> 3) << 7)]; // point to current spot in back buffer
mask = 1 << (y & 7); // current bit offset
for (x = x1; x1 <= x2; x1++)
{
*p++ |= mask; // set pixel and increment x pointer
error -= dy;
if (error < 0)
{
error += dx;
if (yinc > 0)
mask <<= 1;
else
mask >>= 1;
if (mask == 0) // we've moved outside the current row, write the data we changed
{
__oledSetPosition(pOLED, x, y >> 3, bRender);
__oledWriteDataBlock(pOLED, pStart, (int) (p - pStart), bRender); // write the row we changed
x = x1 + 1; // we've already written the byte at x1
y1 = y + yinc;
p += (yinc > 0) ? 128 : -128;
pStart = p;
mask = 1 << (y1 & 7);
}
y += yinc;
}
} // for x1
if (p != pStart) // some data needs to be written
{
__oledSetPosition(pOLED, x, y >> 3, bRender);
__oledWriteDataBlock(pOLED, pStart, (int) (p - pStart), bRender);
}
}
else
{
// Y major case
if (y1 > y2)
{
dy = -dy;
temp = x1;
x1 = x2;
x2 = temp;
temp = y1;
y1 = y2;
y2 = temp;
}
p = &pOLED->ucScreen[x1 + ((y1 >> 3) * 128)]; // point to current spot in back buffer
bOld = bNew = p[0]; // current data at that address
mask = 1 << (y1 & 7); // current bit offset
dx = (x2 - x1);
error = dy >> 1;
xinc = 1;
if (dx < 0)
{
dx = -dx;
xinc = -1;
}
for (x = x1; y1 <= y2; y1++)
{
bNew |= mask; // set the pixel
error -= dx;
mask <<= 1; // y1++
if (mask == 0) // we're done with this byte, write it if necessary
{
if (bOld != bNew)
{
p[0] = bNew; // save to RAM
__oledSetPosition(pOLED, x, y1 >> 3, bRender);
__oledWriteDataBlock(pOLED, &bNew, 1, bRender);
}
p += 128; // next line
bOld = bNew = p[0];
mask = 1; // start at LSB again
}
if (error < 0)
{
error += dy;
if (bOld != bNew) // write the last byte we modified if it changed
{
p[0] = bNew; // save to RAM
__oledSetPosition(pOLED, x, y1 >> 3, bRender);
__oledWriteDataBlock(pOLED, &bNew, 1, bRender);
}
p += xinc;
x += xinc;
bOld = bNew = p[0];
}
} // for y
if (bOld != bNew) // write the last byte we modified if it changed
{
p[0] = bNew; // save to RAM
__oledSetPosition(pOLED, x, y2 >> 3, bRender);
__oledWriteDataBlock(pOLED, &bNew, 1, bRender);
}
} // y major case
} /* oledDrawLine() */
//
// For drawing ellipses, a circle is drawn and the x and y pixels are scaled by a 16-bit integer fraction
// This function draws a single pixel and scales its position based on the x/y fraction of the ellipse
//
static void __DrawScaledPixel(SSOLED *pOLED, int iCX, int iCY, int x, int y, int32_t iXFrac, int32_t iYFrac,
uint8_t ucColor)
{
uint8_t *d, ucMask;
if (iXFrac != 0x10000)
x = ((x * iXFrac) >> 16);
if (iYFrac != 0x10000)
y = ((y * iYFrac) >> 16);
x += iCX;
y += iCY;
if (x < 0 || x >= pOLED->oled_x || y < 0 || y >= pOLED->oled_y)
return; // off the screen
d = &pOLED->ucScreen[((y >> 3) * 128) + x];
ucMask = 1 << (y & 7);
if (ucColor)
*d |= ucMask;
else
*d &= ~ucMask;
} /* DrawScaledPixel() */
//
// For drawing filled ellipses
//
static void __DrawScaledLine(SSOLED *pOLED, int iCX, int iCY, int x, int y, int32_t iXFrac, int32_t iYFrac,
uint8_t ucColor)
{
int iLen, x2;
uint8_t *d, ucMask;
if (iXFrac != 0x10000)
x = ((x * iXFrac) >> 16);
if (iYFrac != 0x10000)
y = ((y * iYFrac) >> 16);
iLen = x * 2;
x = iCX - x;
y += iCY;
x2 = x + iLen;
if (y < 0 || y >= pOLED->oled_y)
return; // completely off the screen
if (x < 0)
x = 0;
if (x2 >= pOLED->oled_x)
x2 = pOLED->oled_x - 1;
iLen = x2 - x + 1; // new length
d = &pOLED->ucScreen[((y >> 3) * 128) + x];
ucMask = 1 << (y & 7);
if (ucColor) // white
{
for (; iLen > 0; iLen--)
*d++ |= ucMask;
}
else // black
{
for (; iLen > 0; iLen--)
*d++ &= ~ucMask;
}
} /* DrawScaledLine() */
//
// Draw the 8 pixels around the Bresenham circle
// (scaled to make an ellipse)
//
static void BresenhamCircle(SSOLED *pOLED, int iCX, int iCY, int x, int y, int32_t iXFrac, int32_t iYFrac,
uint8_t ucColor, uint8_t bFill)
{
if (bFill) // draw a filled ellipse
{
// for a filled ellipse, draw 4 lines instead of 8 pixels
__DrawScaledLine(pOLED, iCX, iCY, x, y, iXFrac, iYFrac, ucColor);
__DrawScaledLine(pOLED, iCX, iCY, x, -y, iXFrac, iYFrac, ucColor);
__DrawScaledLine(pOLED, iCX, iCY, y, x, iXFrac, iYFrac, ucColor);
__DrawScaledLine(pOLED, iCX, iCY, y, -x, iXFrac, iYFrac, ucColor);
}
else // draw 8 pixels around the edges
{
__DrawScaledPixel(pOLED, iCX, iCY, x, y, iXFrac, iYFrac, ucColor);
__DrawScaledPixel(pOLED, iCX, iCY, -x, y, iXFrac, iYFrac, ucColor);
__DrawScaledPixel(pOLED, iCX, iCY, x, -y, iXFrac, iYFrac, ucColor);
__DrawScaledPixel(pOLED, iCX, iCY, -x, -y, iXFrac, iYFrac, ucColor);
__DrawScaledPixel(pOLED, iCX, iCY, y, x, iXFrac, iYFrac, ucColor);
__DrawScaledPixel(pOLED, iCX, iCY, -y, x, iXFrac, iYFrac, ucColor);
__DrawScaledPixel(pOLED, iCX, iCY, y, -x, iXFrac, iYFrac, ucColor);
__DrawScaledPixel(pOLED, iCX, iCY, -y, -x, iXFrac, iYFrac, ucColor);
}
} /* BresenhamCircle() */
//
// Draw an outline or filled ellipse
//
void __oledEllipse(SSOLED *pOLED, int iCenterX, int iCenterY, int32_t iRadiusX, int32_t iRadiusY, uint8_t ucColor,
uint8_t bFilled)
{
int32_t iXFrac, iYFrac;
int iRadius, iDelta, x, y;
if (pOLED == NULL || pOLED->ucScreen == NULL)
return; // must have back buffer defined
if (iRadiusX <= 0 || iRadiusY <= 0)
return; // invalid radii
if (iRadiusX > iRadiusY) // use X as the primary radius
{
iRadius = iRadiusX;
iXFrac = 65536;
iYFrac = (iRadiusY * 65536) / iRadiusX;
}
else
{
iRadius = iRadiusY;
iXFrac = (iRadiusX * 65536) / iRadiusY;
iYFrac = 65536;
}
iDelta = 3 - (2 * iRadius);
x = 0;
y = iRadius;
while (x <= y)
{
BresenhamCircle(pOLED, iCenterX, iCenterY, x, y, iXFrac, iYFrac, ucColor, bFilled);
x++;
if (iDelta < 0)
{
iDelta += (4 * x) + 6;
}
else
{
iDelta += 4 * (x - y) + 10;
y--;
}
}
} /* oledEllipse() */
//
// Draw an outline or filled rectangle
//
void __oledRectangle(SSOLED *pOLED, int x1, int y1, int x2, int y2, uint8_t ucColor, uint8_t bFilled)
{
uint8_t *d, ucMask, ucMask2;
int tmp, iOff;
if (pOLED == NULL || pOLED->ucScreen == NULL)
return; // only works with a back buffer
if (x1 < 0 || y1 < 0 || x2 < 0 || y2 < 0 || x1 >= pOLED->oled_x || y1 >= pOLED->oled_y || x2 >= pOLED->oled_x
|| y2 >= pOLED->oled_y)
return; // invalid coordinates
// Make sure that X1/Y1 is above and to the left of X2/Y2
// swap coordinates as needed to make this true
if (x2 < x1)
{
tmp = x1;
x1 = x2;
x2 = tmp;
}
if (y2 < y1)
{
tmp = y1;
y1 = y2;
y2 = tmp;
}
if (bFilled)
{
int x, y, iMiddle;
iMiddle = (y2 >> 3) - (y1 >> 3);
ucMask = 0xff << (y1 & 7);
if (iMiddle == 0) // top and bottom lines are in the same row
ucMask &= (0xff >> (7 - (y2 & 7)));
d = &pOLED->ucScreen[(y1 >> 3) * 128 + x1];
// Draw top
for (x = x1; x <= x2; x++)
{
if (ucColor)
*d |= ucMask;
else
*d &= ~ucMask;
d++;
}
if (iMiddle > 1) // need to draw middle part
{
ucMask = (ucColor) ? 0xff : 0x00;
for (y = 1; y < iMiddle; y++)
{
d = &pOLED->ucScreen[(y1 >> 3) * 128 + x1 + (y * 128)];
for (x = x1; x <= x2; x++)
*d++ = ucMask;
}
}
if (iMiddle >= 1) // need to draw bottom part
{
ucMask = 0xff >> (7 - (y2 & 7));
d = &pOLED->ucScreen[(y2 >> 3) * 128 + x1];
for (x = x1; x <= x2; x++)
{
if (ucColor)
*d++ |= ucMask;
else
*d++ &= ~ucMask;
}
}
}
else // outline
{
// see if top and bottom lines are within the same byte rows
d = &pOLED->ucScreen[(y1 >> 3) * 128 + x1];
if ((y1 >> 3) == (y2 >> 3))
{
ucMask2 = 0xff << (y1 & 7); // L/R end masks
ucMask = 1 << (y1 & 7);
ucMask |= 1 << (y2 & 7);
ucMask2 &= (0xff >> (7 - (y2 & 7)));
if (ucColor)
{
*d++ |= ucMask2; // start
x1++;
for (; x1 < x2; x1++)
*d++ |= ucMask;
if (x1 <= x2)
*d++ |= ucMask2; // right edge
}
else
{
*d++ &= ~ucMask2;
x1++;
for (; x1 < x2; x1++)
*d++ &= ~ucMask;
if (x1 <= x2)
*d++ &= ~ucMask2; // right edge
}
}
else
{
int y;
// L/R sides
iOff = (x2 - x1);
ucMask = 1 << (y1 & 7);
for (y = y1; y <= y2; y++)
{
if (ucColor)
{
*d |= ucMask;
d[iOff] |= ucMask;
}
else
{
*d &= ~ucMask;
d[iOff] &= ~ucMask;
}
ucMask <<= 1;
if (ucMask == 0)
{
ucMask = 1;
d += 128;
}
}
// T/B sides
ucMask = 1 << (y1 & 7);
ucMask2 = 1 << (y2 & 7);
x1++;
d = &pOLED->ucScreen[(y1 >> 3) * 128 + x1];
iOff = (y2 >> 3) - (y1 >> 3);
iOff *= 128;
for (; x1 < x2; x1++)
{
if (ucColor)
{
*d |= ucMask;
d[iOff] |= ucMask2;
}
else
{
*d &= ~ucMask;
d[iOff] &= ~ucMask2;
}
d++;
}
}
} // outline
} /* oledRectangle() */
bit_bangiic.cpp
//
// ss_oled (Small, Simple OLED library)
// Copyright (c) 2017-2019 BitBank Software, Inc.
// Written by Larry Bank (bitbank@pobox.com)
// Project started 1/15/2017
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "pico/stdlib.h"
#include "include/ss_oled.h"
const uint8_t ucFont[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x5f, 0x5f, 0x06, 0x00, 0x00,
0x07, 0x07, 0x00, 0x07, 0x07, 0x00, 0x14, 0x7f, 0x7f, 0x14, 0x7f, 0x7f, 0x14, 0x24, 0x2e, 0x2a, 0x6b, 0x6b,
0x3a, 0x12, 0x46, 0x66, 0x30, 0x18, 0x0c, 0x66, 0x62, 0x30, 0x7a, 0x4f, 0x5d, 0x37, 0x7a, 0x48, 0x00, 0x04,
0x07, 0x03, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x3e, 0x63, 0x41, 0x00, 0x00, 0x00, 0x41, 0x63, 0x3e, 0x1c, 0x00,
0x00, 0x08, 0x2a, 0x3e, 0x1c, 0x3e, 0x2a, 0x08, 0x00, 0x08, 0x08, 0x3e, 0x3e, 0x08, 0x08, 0x00, 0x00, 0x80,
0xe0, 0x60, 0x00, 0x00, 0x00, 0x08, 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00,
0x60, 0x30, 0x18, 0x0c, 0x06, 0x03, 0x01, 0x3e, 0x7f, 0x59, 0x4d, 0x47, 0x7f, 0x3e, 0x40, 0x42, 0x7f, 0x7f,
0x40, 0x40, 0x00, 0x62, 0x73, 0x59, 0x49, 0x6f, 0x66, 0x00, 0x22, 0x63, 0x49, 0x49, 0x7f, 0x36, 0x00, 0x18,
0x1c, 0x16, 0x53, 0x7f, 0x7f, 0x50, 0x27, 0x67, 0x45, 0x45, 0x7d, 0x39, 0x00, 0x3c, 0x7e, 0x4b, 0x49, 0x79,
0x30, 0x00, 0x03, 0x03, 0x71, 0x79, 0x0f, 0x07, 0x00, 0x36, 0x7f, 0x49, 0x49, 0x7f, 0x36, 0x00, 0x06, 0x4f,
0x49, 0x69, 0x3f, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x66, 0x66, 0x00, 0x00, 0x00, 0x00, 0x80, 0xe6, 0x66, 0x00,
0x00, 0x08, 0x1c, 0x36, 0x63, 0x41, 0x00, 0x00, 0x00, 0x14, 0x14, 0x14, 0x14, 0x14, 0x14, 0x00, 0x41, 0x63,
0x36, 0x1c, 0x08, 0x00, 0x00, 0x02, 0x03, 0x59, 0x5d, 0x07, 0x02, 0x3e, 0x7f, 0x41, 0x5d, 0x5d, 0x5f, 0x0e,
0x7c, 0x7e, 0x13, 0x13, 0x7e, 0x7c, 0x00, 0x41, 0x7f, 0x7f, 0x49, 0x49, 0x7f, 0x36, 0x1c, 0x3e, 0x63, 0x41,
0x41, 0x63, 0x22, 0x41, 0x7f, 0x7f, 0x41, 0x63, 0x3e, 0x1c, 0x41, 0x7f, 0x7f, 0x49, 0x5d, 0x41, 0x63, 0x41,
0x7f, 0x7f, 0x49, 0x1d, 0x01, 0x03, 0x1c, 0x3e, 0x63, 0x41, 0x51, 0x33, 0x72, 0x7f, 0x7f, 0x08, 0x08, 0x7f,
0x7f, 0x00, 0x00, 0x41, 0x7f, 0x7f, 0x41, 0x00, 0x00, 0x30, 0x70, 0x40, 0x41, 0x7f, 0x3f, 0x01, 0x41, 0x7f,
0x7f, 0x08, 0x1c, 0x77, 0x63, 0x41, 0x7f, 0x7f, 0x41, 0x40, 0x60, 0x70, 0x7f, 0x7f, 0x0e, 0x1c, 0x0e, 0x7f,
0x7f, 0x7f, 0x7f, 0x06, 0x0c, 0x18, 0x7f, 0x7f, 0x1c, 0x3e, 0x63, 0x41, 0x63, 0x3e, 0x1c, 0x41, 0x7f, 0x7f,
0x49, 0x09, 0x0f, 0x06, 0x1e, 0x3f, 0x21, 0x31, 0x61, 0x7f, 0x5e, 0x41, 0x7f, 0x7f, 0x09, 0x19, 0x7f, 0x66,
0x26, 0x6f, 0x4d, 0x49, 0x59, 0x73, 0x32, 0x03, 0x41, 0x7f, 0x7f, 0x41, 0x03, 0x00, 0x7f, 0x7f, 0x40, 0x40,
0x7f, 0x7f, 0x00, 0x1f, 0x3f, 0x60, 0x60, 0x3f, 0x1f, 0x00, 0x3f, 0x7f, 0x60, 0x30, 0x60, 0x7f, 0x3f, 0x63,
0x77, 0x1c, 0x08, 0x1c, 0x77, 0x63, 0x07, 0x4f, 0x78, 0x78, 0x4f, 0x07, 0x00, 0x47, 0x63, 0x71, 0x59, 0x4d,
0x67, 0x73, 0x00, 0x7f, 0x7f, 0x41, 0x41, 0x00, 0x00, 0x01, 0x03, 0x06, 0x0c, 0x18, 0x30, 0x60, 0x00, 0x41,
0x41, 0x7f, 0x7f, 0x00, 0x00, 0x08, 0x0c, 0x06, 0x03, 0x06, 0x0c, 0x08, 0x80, 0x80, 0x80, 0x80, 0x80, 0x80,
0x80, 0x00, 0x00, 0x03, 0x07, 0x04, 0x00, 0x00, 0x20, 0x74, 0x54, 0x54, 0x3c, 0x78, 0x40, 0x41, 0x7f, 0x3f,
0x48, 0x48, 0x78, 0x30, 0x38, 0x7c, 0x44, 0x44, 0x6c, 0x28, 0x00, 0x30, 0x78, 0x48, 0x49, 0x3f, 0x7f, 0x40,
0x38, 0x7c, 0x54, 0x54, 0x5c, 0x18, 0x00, 0x48, 0x7e, 0x7f, 0x49, 0x03, 0x06, 0x00, 0x98, 0xbc, 0xa4, 0xa4,
0xf8, 0x7c, 0x04, 0x41, 0x7f, 0x7f, 0x08, 0x04, 0x7c, 0x78, 0x00, 0x44, 0x7d, 0x7d, 0x40, 0x00, 0x00, 0x60,
0xe0, 0x80, 0x84, 0xfd, 0x7d, 0x00, 0x41, 0x7f, 0x7f, 0x10, 0x38, 0x6c, 0x44, 0x00, 0x41, 0x7f, 0x7f, 0x40,
0x00, 0x00, 0x7c, 0x7c, 0x18, 0x78, 0x1c, 0x7c, 0x78, 0x7c, 0x78, 0x04, 0x04, 0x7c, 0x78, 0x00, 0x38, 0x7c,
0x44, 0x44, 0x7c, 0x38, 0x00, 0x84, 0xfc, 0xf8, 0xa4, 0x24, 0x3c, 0x18, 0x18, 0x3c, 0x24, 0xa4, 0xf8, 0xfc,
0x84, 0x44, 0x7c, 0x78, 0x4c, 0x04, 0x0c, 0x18, 0x48, 0x5c, 0x54, 0x74, 0x64, 0x24, 0x00, 0x04, 0x04, 0x3e,
0x7f, 0x44, 0x24, 0x00, 0x3c, 0x7c, 0x40, 0x40, 0x3c, 0x7c, 0x40, 0x1c, 0x3c, 0x60, 0x60, 0x3c, 0x1c, 0x00,
0x3c, 0x7c, 0x60, 0x30, 0x60, 0x7c, 0x3c, 0x44, 0x6c, 0x38, 0x10, 0x38, 0x6c, 0x44, 0x9c, 0xbc, 0xa0, 0xa0,
0xfc, 0x7c, 0x00, 0x4c, 0x64, 0x74, 0x5c, 0x4c, 0x64, 0x00, 0x08, 0x08, 0x3e, 0x77, 0x41, 0x41, 0x00, 0x00,
0x00, 0x00, 0x77, 0x77, 0x00, 0x00, 0x41, 0x41, 0x77, 0x3e, 0x08, 0x08, 0x00, 0x02, 0x03, 0x01, 0x03, 0x02,
0x03, 0x01, 0x70, 0x78, 0x4c, 0x46, 0x4c, 0x78, 0x70 };
const uint8_t ucBigFont[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc,
0xfc, 0xff, 0xff, 0xff, 0xff, 0xfc, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f,
0x3f, 0x3f, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x0f,
0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x3f, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x3f, 0x0f,
0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xfc,
0xfc, 0xfc, 0xfc, 0xc0, 0xc0, 0xfc, 0xfc, 0xfc, 0xfc, 0xc0, 0xc0, 0x00, 0x00, 0xc0, 0xc0, 0xff, 0xff, 0xff,
0xff, 0xc0, 0xc0, 0xff, 0xff, 0xff, 0xff, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0f, 0x0f, 0x0f, 0x00,
0x00, 0x0f, 0x0f, 0x0f, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0xf0, 0xf0,
0xf0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xfc, 0xff, 0xff, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x0f,
0x0f, 0x3c, 0x3c, 0x00, 0x00, 0xf0, 0xf0, 0xc3, 0xc3, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0xff, 0xff, 0xfc,
0xfc, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0x3f, 0x3f, 0x3f, 0x3f, 0x03, 0x03, 0x00, 0x00, 0x00,
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0x0f, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0xc0, 0xc0, 0xf0, 0xf0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xfc, 0xff,
0xff, 0x03, 0x03, 0x00, 0x00, 0x03, 0x03, 0xff, 0xff, 0xfc, 0xfc, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0x03,
0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
// 5x7 font (in 6x8 cell)
const uint8_t ucSmallFont[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x5f, 0x06, 0x00, 0x07, 0x03, 0x00, 0x07,
0x03, 0x24, 0x7e, 0x24, 0x7e, 0x24, 0x24, 0x2b, 0x6a, 0x12, 0x00, 0x63, 0x13, 0x08, 0x64, 0x63, 0x36, 0x49,
0x56, 0x20, 0x50, 0x00, 0x07, 0x03, 0x00, 0x00, 0x00, 0x3e, 0x41, 0x00, 0x00, 0x00, 0x41, 0x3e, 0x00, 0x00,
0x08, 0x3e, 0x1c, 0x3e, 0x08, 0x08, 0x08, 0x3e, 0x08, 0x08, 0x00, 0xe0, 0x60, 0x00, 0x00, 0x08, 0x08, 0x08,
0x08, 0x08, 0x00, 0x60, 0x60, 0x00, 0x00, 0x20, 0x10, 0x08, 0x04, 0x02, 0x3e, 0x51, 0x49, 0x45, 0x3e, 0x00,
0x42, 0x7f, 0x40, 0x00, 0x62, 0x51, 0x49, 0x49, 0x46, 0x22, 0x49, 0x49, 0x49, 0x36, 0x18, 0x14, 0x12, 0x7f,
0x10, 0x2f, 0x49, 0x49, 0x49, 0x31, 0x3c, 0x4a, 0x49, 0x49, 0x30, 0x01, 0x71, 0x09, 0x05, 0x03, 0x36, 0x49,
0x49, 0x49, 0x36, 0x06, 0x49, 0x49, 0x29, 0x1e, 0x00, 0x6c, 0x6c, 0x00, 0x00, 0x00, 0xec, 0x6c, 0x00, 0x00,
0x08, 0x14, 0x22, 0x41, 0x00, 0x24, 0x24, 0x24, 0x24, 0x24, 0x00, 0x41, 0x22, 0x14, 0x08, 0x02, 0x01, 0x59,
0x09, 0x06, 0x3e, 0x41, 0x5d, 0x55, 0x1e, 0x7e, 0x11, 0x11, 0x11, 0x7e, 0x7f, 0x49, 0x49, 0x49, 0x36, 0x3e,
0x41, 0x41, 0x41, 0x22, 0x7f, 0x41, 0x41, 0x41, 0x3e, 0x7f, 0x49, 0x49, 0x49, 0x41, 0x7f, 0x09, 0x09, 0x09,
0x01, 0x3e, 0x41, 0x49, 0x49, 0x7a, 0x7f, 0x08, 0x08, 0x08, 0x7f, 0x00, 0x41, 0x7f, 0x41, 0x00, 0x30, 0x40,
0x40, 0x40, 0x3f, 0x7f, 0x08, 0x14, 0x22, 0x41, 0x7f, 0x40, 0x40, 0x40, 0x40, 0x7f, 0x02, 0x04, 0x02, 0x7f,
0x7f, 0x02, 0x04, 0x08, 0x7f, 0x3e, 0x41, 0x41, 0x41, 0x3e, 0x7f, 0x09, 0x09, 0x09, 0x06, 0x3e, 0x41, 0x51,
0x21, 0x5e, 0x7f, 0x09, 0x09, 0x19, 0x66, 0x26, 0x49, 0x49, 0x49, 0x32, 0x01, 0x01, 0x7f, 0x01, 0x01, 0x3f,
0x40, 0x40, 0x40, 0x3f, 0x1f, 0x20, 0x40, 0x20, 0x1f, 0x3f, 0x40, 0x3c, 0x40, 0x3f, 0x63, 0x14, 0x08, 0x14,
0x63, 0x07, 0x08, 0x70, 0x08, 0x07, 0x71, 0x49, 0x45, 0x43, 0x00, 0x00, 0x7f, 0x41, 0x41, 0x00, 0x02, 0x04,
0x08, 0x10, 0x20, 0x00, 0x41, 0x41, 0x7f, 0x00, 0x04, 0x02, 0x01, 0x02, 0x04, 0x80, 0x80, 0x80, 0x80, 0x80,
0x00, 0x03, 0x07, 0x00, 0x00, 0x20, 0x54, 0x54, 0x54, 0x78, 0x7f, 0x44, 0x44, 0x44, 0x38, 0x38, 0x44, 0x44,
0x44, 0x28, 0x38, 0x44, 0x44, 0x44, 0x7f, 0x38, 0x54, 0x54, 0x54, 0x08, 0x08, 0x7e, 0x09, 0x09, 0x00, 0x18,
0xa4, 0xa4, 0xa4, 0x7c, 0x7f, 0x04, 0x04, 0x78, 0x00, 0x00, 0x00, 0x7d, 0x40, 0x00, 0x40, 0x80, 0x84, 0x7d,
0x00, 0x7f, 0x10, 0x28, 0x44, 0x00, 0x00, 0x00, 0x7f, 0x40, 0x00, 0x7c, 0x04, 0x18, 0x04, 0x78, 0x7c, 0x04,
0x04, 0x78, 0x00, 0x38, 0x44, 0x44, 0x44, 0x38, 0xfc, 0x44, 0x44, 0x44, 0x38, 0x38, 0x44, 0x44, 0x44, 0xfc,
0x44, 0x78, 0x44, 0x04, 0x08, 0x08, 0x54, 0x54, 0x54, 0x20, 0x04, 0x3e, 0x44, 0x24, 0x00, 0x3c, 0x40, 0x20,
0x7c, 0x00, 0x1c, 0x20, 0x40, 0x20, 0x1c, 0x3c, 0x60, 0x30, 0x60, 0x3c, 0x6c, 0x10, 0x10, 0x6c, 0x00, 0x9c,
0xa0, 0x60, 0x3c, 0x00, 0x64, 0x54, 0x54, 0x4c, 0x00, 0x08, 0x3e, 0x41, 0x41, 0x00, 0x00, 0x00, 0x77, 0x00,
0x00, 0x00, 0x41, 0x41, 0x3e, 0x08, 0x02, 0x01, 0x02, 0x01, 0x00, 0x3c, 0x26, 0x23, 0x26, 0x3c };
// Initialization sequences
const unsigned char oled128_initbuf[] = { 0x00, 0xae, 0xdc, 0x00, 0x81, 0x40, 0xa1, 0xc8, 0xa8, 0x7f, 0xd5, 0x50, 0xd9,
0x22, 0xdb, 0x35, 0xb0, 0xda, 0x12, 0xa4, 0xa6, 0xaf };
const unsigned char oled64_initbuf[] = { 0x00, 0xae, 0xa8, 0x3f, 0xd3, 0x00, 0x40, 0xa1, 0xc8, 0xda, 0x12, 0x81, 0xff,
0xa4, 0xa6, 0xd5, 0x80, 0x8d, 0x14, 0xaf, 0x20, 0x02 };
const unsigned char oled32_initbuf[] = { 0x00, 0xae, 0xd5, 0x80, 0xa8, 0x1f, 0xd3, 0x00, 0x40, 0x8d, 0x14, 0xa1, 0xc8,
0xda, 0x02, 0x81, 0x7f, 0xd9, 0xf1, 0xdb, 0x40, 0xa4, 0xa6, 0xaf };
const unsigned char oled72_initbuf[] = { 0x00, 0xae, 0xa8, 0x3f, 0xd3, 0x00, 0x40, 0xa1, 0xc8, 0xda, 0x12, 0x81, 0xff,
0xad, 0x30, 0xd9, 0xf1, 0xa4, 0xa6, 0xd5, 0x80, 0x8d, 0x14, 0xaf, 0x20, 0x02 };
// some globals
static void __oledWriteCommand(SSOLED *pOLED, unsigned char c);
void __InvertBytes(uint8_t *pData, uint8_t bLen);
// wrapper/adapter functions to make the code work on Linux
static uint8_t pgm_read_byte(uint8_t *ptr)
{
return *ptr;
}
static int16_t pgm_read_word(uint8_t *ptr)
{
return ptr[0] + (ptr[1] << 8);
}
static void _I2CWrite(SSOLED *pOLED, unsigned char *pData, int iLen)
{
I2CWrite(&pOLED->bbi2c, pOLED->oled_addr, pData, iLen);
} /* _I2CWrite() */
//
// Initializes the OLED controller into "page mode"
//
int __oledInit(SSOLED *pOLED, int bInvert, int32_t iSpeed)
{
unsigned char uc[4];
int rc = OLED_NOT_FOUND;
int iAddr = pOLED->oled_addr;
int bFlip = (int) pOLED->oled_flip;
int iType = pOLED->oled_type;
pOLED->ucScreen = NULL; // reset backbuffer; user must provide one later
pOLED->oled_wrap = 0; // default - disable text wrap
I2CInit(&pOLED->bbi2c, iSpeed); // on Linux, SDA = bus number, SCL = device address
// find the device address if requested
if (iAddr == -1 || iAddr == 0 || iAddr == 0xff) // find it
{
I2CTest(&pOLED->bbi2c, 0x3c);
if (I2CTest(&pOLED->bbi2c, 0x3c))
pOLED->oled_addr = 0x3c;
else if (I2CTest(&pOLED->bbi2c, 0x3d))
pOLED->oled_addr = 0x3d;
else
return rc; // no display found!
}
else
{
pOLED->oled_addr = iAddr;
I2CTest(&pOLED->bbi2c, iAddr);
if (!I2CTest(&pOLED->bbi2c, iAddr))
return rc; // no display found
}
// Detect the display controller (SSD1306, SH1107 or SH1106)
uint8_t u = 0;
I2CReadRegister(&pOLED->bbi2c, pOLED->oled_addr, 0x00, &u, 1); // read the status register
u &= 0x0f; // mask off power on/off bit
if (u == 0x7 || u == 0xf) // SH1107
{
pOLED->oled_type = OLED_128x128;
rc = OLED_SH1107_3C;
bFlip = !bFlip; // SH1107 seems to have this reversed from the usual direction
}
else if (u == 0x8) // SH1106
{
rc = OLED_SH1106_3C;
pOLED->oled_type = OLED_132x64; // needs to be treated a little differently
}
else if (u == 3 || u == 6) // 6=128x64 display, 3=smaller
{
rc = OLED_SSD1306_3C;
}
if (pOLED->oled_addr == 0x3d)
rc++; // return the '3D' version of the type
if (iType == OLED_128x32 || iType == OLED_96x16)
_I2CWrite(pOLED, (unsigned char *) oled32_initbuf, sizeof(oled32_initbuf));
else if (iType == OLED_128x128)
_I2CWrite(pOLED, (unsigned char *) oled128_initbuf, sizeof(oled128_initbuf));
else if (iType == OLED_72x40)
_I2CWrite(pOLED, (unsigned char *) oled72_initbuf, sizeof(oled72_initbuf));
else
// 132x64, 128x64 and 64x32
_I2CWrite(pOLED, (unsigned char *) oled64_initbuf, sizeof(oled64_initbuf));
if (bInvert)
{
uc[0] = 0; // command
uc[1] = 0xa7; // invert command
_I2CWrite(pOLED, uc, 2);
}
if (bFlip) // rotate display 180
{
uc[0] = 0; // command
uc[1] = 0xa0;
_I2CWrite(pOLED, uc, 2);
uc[1] = 0xc0;
_I2CWrite(pOLED, uc, 2);
}
pOLED->oled_x = 128; // assume 128x64
pOLED->oled_y = 64;
if (iType == OLED_96x16)
{
pOLED->oled_x = 96;
pOLED->oled_y = 16;
}
else if (iType == OLED_128x32)
pOLED->oled_y = 32;
else if (iType == OLED_128x128)
pOLED->oled_y = 128;
else if (iType == OLED_64x32)
{
pOLED->oled_x = 64;
pOLED->oled_y = 32;
}
else if (iType == OLED_72x40)
{
pOLED->oled_x = 72;
pOLED->oled_y = 40;
}
return rc;
} /* oledInit() */
//
// Sends a command to turn on or off the OLED display
//
void __oledPower(SSOLED *pOLED, uint8_t bOn)
{
if (bOn)
__oledWriteCommand(pOLED, 0xaf); // turn on OLED
else
__oledWriteCommand(pOLED, 0xae); // turn off OLED
} /* oledPower() */
// Send a single byte command to the OLED controller
static void __oledWriteCommand(SSOLED *pOLED, unsigned char c)
{
unsigned char buf[2];
buf[0] = 0x00; // command introducer
buf[1] = c;
_I2CWrite(pOLED, buf, 2);
} /* oledWriteCommand() */
static void __oledWriteCommand2(SSOLED *pOLED, unsigned char c, unsigned char d)
{
unsigned char buf[3];
buf[0] = 0x00;
buf[1] = c;
buf[2] = d;
_I2CWrite(pOLED, buf, 3);
} /* oledWriteCommand2() */
//
// Sets the brightness (0=off, 255=brightest)
//
void __oledSetContrast(SSOLED *pOLED, unsigned char ucContrast)
{
__oledWriteCommand2(pOLED, 0x81, ucContrast);
} /* oledSetContrast() */
//
// Scroll the internal buffer by 1 scanline (up/down)
// width is in pixels, lines is group of 8 rows
//
int __oledScrollBuffer(SSOLED *pOLED, int iStartCol, int iEndCol, int iStartRow, int iEndRow, int bUp)
{
uint8_t b, *s;
int col, row;
if (iStartCol < 0 || iStartCol > 127 || iEndCol < 0 || iEndCol > 127 || iStartCol > iEndCol) // invalid
return -1;
if (iStartRow < 0 || iStartRow > 7 || iEndRow < 0 || iEndRow > 7 || iStartRow > iEndRow)
return -1;
if (bUp)
{
for (row = iStartRow; row <= iEndRow; row++)
{
s = &pOLED->ucScreen[(row * 128) + iStartCol];
for (col = iStartCol; col <= iEndCol; col++)
{
b = *s;
b >>= 1; // scroll pixels 'up'
if (row < iEndRow)
b |= (s[128] << 7); // capture pixel of row below, except for last row
*s++ = b;
} // for col
} // for row
} // up
else // down
{
for (row = iEndRow; row >= iStartRow; row--)
{
s = &pOLED->ucScreen[(row * 128) + iStartCol];
for (col = iStartCol; col <= iEndCol; col++)
{
b = *s;
b <<= 1; // scroll down
if (row > iStartRow)
b |= (s[-128] >> 7); // capture pixel of row above
*s++ = b;
} // for col
} // for row
}
return 0;
} /* oledScrollBuffer() */
//
// Send commands to position the "cursor" (aka memory write address)
// to the given row and column
//
static void __oledSetPosition(SSOLED *pOLED, int x, int y, int bRender)
{
unsigned char buf[4];
pOLED->iScreenOffset = (y * 128) + x;
if (!bRender)
return; // don't send the commands to the OLED if we're not rendering the graphics now
if (pOLED->oled_type == OLED_64x32) // visible display starts at column 32, row 4
{
x += 32; // display is centered in VRAM, so this is always true
if (pOLED->oled_flip == 0) // non-flipped display starts from line 4
y += 4;
}
else if (pOLED->oled_type == OLED_132x64) // SH1106 has 128 pixels centered in 132
{
x += 2;
}
else if (pOLED->oled_type == OLED_96x16) // visible display starts at line 2
{ // mapping is a bit strange on the 96x16 OLED
if (pOLED->oled_flip)
x += 32;
else
y += 2;
}
else if (pOLED->oled_type == OLED_72x40) // starts at x=28,y=3
{
x += 28;
if (!pOLED->oled_flip)
{
y += 3;
}
}
buf[0] = 0x00; // command introducer
buf[1] = 0xb0 | y; // set page to Y
buf[2] = x & 0xf; // lower column address
buf[3] = 0x10 | (x >> 4); // upper column addr
_I2CWrite(pOLED, buf, 4);
} /* oledSetPosition() */
//
// Write a block of pixel data to the OLED
// Length can be anything from 1 to 1024 (whole display)
//
static void __oledWriteDataBlock(SSOLED *pOLED, unsigned char *ucBuf, int iLen, int bRender)
{
unsigned char ucTemp[129];
ucTemp[0] = 0x40; // data command
// Copying the data has the benefit in SPI mode of not letting
// the original data get overwritten by the SPI.transfer() function
if (bRender)
{
memcpy(&ucTemp[1], ucBuf, iLen);
_I2CWrite(pOLED, ucTemp, iLen + 1);
}
// Keep a copy in local buffer
if (pOLED->ucScreen)
{
memcpy(&pOLED->ucScreen[pOLED->iScreenOffset], ucBuf, iLen);
pOLED->iScreenOffset += iLen;
pOLED->iScreenOffset &= 1023; // we use a fixed stride of 128 no matter what the display size
}
}
//
// Byte operands for compressing the data
// The first 2 bits are the type, followed by the counts
#define OP_MASK 0xc0
#define OP_SKIPCOPY 0x00
#define OP_COPYSKIP 0x40
#define OP_REPEATSKIP 0x80
#define OP_REPEAT 0xc0
//
// Write a block of flash memory to the display
//
void __oledWriteFlashBlock(SSOLED *pOLED, uint8_t *s, int iLen)
{
int j;
int iWidthMask = pOLED->oled_x - 1;
int iSizeMask = ((pOLED->oled_x * pOLED->oled_y) / 8) - 1;
int iWidthShift = (pOLED->oled_x == 128) ? 7 : 6; // assume 128 or 64 wide
uint8_t ucTemp[128];
while (((pOLED->iScreenOffset & iWidthMask) + iLen) >= pOLED->oled_x) // if it will hit the page end
{
j = pOLED->oled_x - (pOLED->iScreenOffset & iWidthMask); // amount we can write in one shot
memcpy(ucTemp, s, j);
__oledWriteDataBlock(pOLED, ucTemp, j, 1);
s += j;
iLen -= j;
pOLED->iScreenOffset = (pOLED->iScreenOffset + j) & iSizeMask;
__oledSetPosition(pOLED, pOLED->iScreenOffset & iWidthMask, (pOLED->iScreenOffset >> iWidthShift), 1);
} // while it needs some help
memcpy(ucTemp, s, iLen);
__oledWriteDataBlock(pOLED, ucTemp, iLen, 1);
pOLED->iScreenOffset = (pOLED->iScreenOffset + iLen) & iSizeMask;
} /* oledWriteFlashBlock() */
//
// Write a repeating byte to the display
//
void __oledRepeatByte(SSOLED *pOLED, uint8_t b, int iLen)
{
int j;
int iWidthMask = pOLED->oled_x - 1;
int iWidthShift = (pOLED->oled_x == 128) ? 7 : 6; // assume 128 or 64 pixels wide
int iSizeMask = ((pOLED->oled_x * pOLED->oled_y) / 8) - 1;
uint8_t ucTemp[128];
memset(ucTemp, b, (iLen > 128) ? 128 : iLen);
while (((pOLED->iScreenOffset & iWidthMask) + iLen) >= pOLED->oled_x) // if it will hit the page end
{
j = pOLED->oled_x - (pOLED->iScreenOffset & iWidthMask); // amount we can write in one shot
__oledWriteDataBlock(pOLED, ucTemp, j, 1);
iLen -= j;
pOLED->iScreenOffset = (pOLED->iScreenOffset + j) & iSizeMask;
__oledSetPosition(pOLED, pOLED->iScreenOffset & iWidthMask, (pOLED->iScreenOffset >> iWidthShift), 1);
} // while it needs some help
__oledWriteDataBlock(pOLED, ucTemp, iLen, 1);
pOLED->iScreenOffset += iLen;
} /* oledRepeatByte() */
//
// Play a frame of animation data
// The animation data is assumed to be encoded for a full frame of the display
// Given the pointer to the start of the compressed data,
// it returns the pointer to the start of the next frame
// Frame rate control is up to the calling program to manage
// When it finishes the last frame, it will start again from the beginning
//
uint8_t * __oledPlayAnimFrame(SSOLED *pOLED, uint8_t *pAnimation, uint8_t *pCurrent, int iLen)
{
uint8_t *s;
int i, j;
unsigned char b, bCode;
int iBufferSize = (pOLED->oled_x * pOLED->oled_y) / 8; // size in bytes of the display devce
int iWidthMask, iWidthShift;
iWidthMask = pOLED->oled_x - 1;
iWidthShift = (pOLED->oled_x == 128) ? 7 : 6; // 128 or 64 pixels wide
if (pCurrent == NULL || pCurrent > pAnimation + iLen)
return NULL; // invalid starting point
s = (uint8_t *) pCurrent; // start of animation data
i = 0;
__oledSetPosition(pOLED, 0, 0, 1);
while (i < iBufferSize) // run one frame
{
bCode = pgm_read_byte(s++);
switch (bCode & OP_MASK)
// different compression types
{
case OP_SKIPCOPY: // skip/copy
if (bCode == OP_SKIPCOPY) // big skip
{
b = pgm_read_byte(s++);
i += b + 1;
__oledSetPosition(pOLED, i & iWidthMask, (i >> iWidthShift), 1);
}
else // skip/copy
{
if (bCode & 0x38)
{
i += ((bCode & 0x38) >> 3); // skip amount
__oledSetPosition(pOLED, i & iWidthMask, (i >> iWidthShift), 1);
}
if (bCode & 7)
{
__oledWriteFlashBlock(pOLED, s, bCode & 7);
s += (bCode & 7);
i += bCode & 7;
}
}
break;
case OP_COPYSKIP: // copy/skip
if (bCode == OP_COPYSKIP) // big copy
{
b = pgm_read_byte(s++);
j = b + 1;
__oledWriteFlashBlock(pOLED, s, j);
s += j;
i += j;
}
else
{
j = ((bCode & 0x38) >> 3);
if (j)
{
__oledWriteFlashBlock(pOLED, s, j);
s += j;
i += j;
}
if (bCode & 7)
{
i += (bCode & 7); // skip
__oledSetPosition(pOLED, i & iWidthMask, (i >> iWidthShift), 1);
}
}
break;
case OP_REPEATSKIP: // repeat/skip
j = (bCode & 0x38) >> 3; // repeat count
b = pgm_read_byte(s++);
__oledRepeatByte(pOLED, b, j);
i += j;
if (bCode & 7)
{
i += (bCode & 7); // skip amount
__oledSetPosition(pOLED, i & iWidthMask, (i >> iWidthShift), 1);
}
break;
case OP_REPEAT:
j = (bCode & 0x3f) + 1;
b = pgm_read_byte(s++);
__oledRepeatByte(pOLED, b, j);
i += j;
break;
} // switch on code type
} // while rendering a frame
if (s >= pAnimation + iLen) // we've hit the end, restart from the beginning
s = pAnimation;
return s; // return pointer to start of next frame
} /* oledPlayAnimFrame() */
//
// Draw a sprite of any size in any position
// If it goes beyond the left/right or top/bottom edges
// it's trimmed to show the valid parts
// This function requires a back buffer to be defined
// The priority color (0 or 1) determines which color is painted
// when a 1 is encountered in the source image.
//
void __oledDrawSprite(SSOLED *pOLED, uint8_t *pSprite, int cx, int cy, int iPitch, int x, int y, uint8_t iPriority)
{
int tx, ty, dx, dy, iStartX;
uint8_t *s, *d, uc, pix, ucSrcMask, ucDstMask;
if (x + cx < 0 || y + cy < 0 || x >= pOLED->oled_x || y >= pOLED->oled_y || pOLED->ucScreen == NULL)
return; // no backbuffer or out of bounds
dy = y; // destination y
if (y < 0) // skip the invisible parts
{
cy += y;
y = -y;
pSprite += (y * iPitch);
dy = 0;
}
if (y + cy > pOLED->oled_y)
cy = pOLED->oled_y - y;
iStartX = 0;
dx = x;
if (x < 0)
{
cx += x;
x = -x;
iStartX = x;
dx = 0;
}
if (x + cx > pOLED->oled_x)
cx = pOLED->oled_x - x;
for (ty = 0; ty < cy; ty++)
{
s = &pSprite[iStartX >> 3];
d = &pOLED->ucScreen[(dy >> 3) * pOLED->oled_x + dx];
ucSrcMask = 0x80 >> (iStartX & 7);
pix = *s++;
ucDstMask = 1 << (dy & 7);
if (iPriority) // priority color is 1
{
for (tx = 0; tx < cx; tx++)
{
uc = d[0];
if (pix & ucSrcMask) // set pixel in source, set it in dest
d[0] = (uc | ucDstMask);
d++; // next pixel column
ucSrcMask >>= 1;
if (ucSrcMask == 0) // read next byte
{
ucSrcMask = 0x80;
pix = *s++;
}
} // for tx
} // priorty color 1
else
{
for (tx = 0; tx < cx; tx++)
{
uc = d[0];
if (pix & ucSrcMask) // clr pixel in source, clr it in dest
d[0] = (uc & ~ucDstMask);
d++; // next pixel column
ucSrcMask >>= 1;
if (ucSrcMask == 0) // read next byte
{
ucSrcMask = 0x80;
pix = *s++;
}
} // for tx
} // priority color 0
dy++;
pSprite += iPitch;
} // for ty
} /* oledDrawSprite() */
//
// Draw a 16x16 tile in any of 4 rotated positions
// Assumes input image is laid out like "normal" graphics with
// the MSB on the left and 2 bytes per line
// On AVR, the source image is assumed to be in FLASH memory
// The function can draw the tile on byte boundaries, so the x value
// can be from 0 to 112 and y can be from 0 to 6
//
void __oledDrawTile(SSOLED *pOLED, const uint8_t *pTile, int x, int y, int iRotation, int bInvert, int bRender)
{
uint8_t ucTemp[32]; // prepare LCD data here
uint8_t i, j, k, iOffset, ucMask, uc, ucPixels;
uint8_t bFlipX = 0, bFlipY = 0;
if (x < 0 || y < 0 || y > 6 || x > 112)
return; // out of bounds
if (pTile == NULL)
return; // bad pointer; really? :(
if (iRotation == ANGLE_180 || iRotation == ANGLE_270 || iRotation == ANGLE_FLIPX)
bFlipX = 1;
if (iRotation == ANGLE_180 || iRotation == ANGLE_270 || iRotation == ANGLE_FLIPY)
bFlipY = 1;
memset(ucTemp, 0, sizeof(ucTemp)); // we only set white pixels, so start from black
if (iRotation == ANGLE_0 || iRotation == ANGLE_180 || iRotation == ANGLE_FLIPX || iRotation == ANGLE_FLIPY)
{
for (j = 0; j < 16; j++) // y
{
for (i = 0; i < 16; i += 8) // x
{
ucPixels = pgm_read_byte((uint8_t*) pTile++);
ucMask = 0x80; // MSB is the first source pixel
for (k = 0; k < 8; k++)
{
if (ucPixels & ucMask) // translate the pixel
{
if (bFlipY)
uc = 0x80 >> (j & 7);
else
uc = 1 << (j & 7);
iOffset = i + k;
if (bFlipX)
iOffset = 15 - iOffset;
iOffset += (j & 8) << 1; // top/bottom half of output
if (bFlipY)
iOffset ^= 16;
ucTemp[iOffset] |= uc;
}
ucMask >>= 1;
} // for k
} // for i
} // for j
}
else // rotated 90/270
{
for (j = 0; j < 16; j++) // y
{
for (i = 0; i < 16; i += 8) // x
{
ucPixels = pgm_read_byte((uint8_t*) pTile++);
ucMask = 0x80; // MSB is the first source pixel
for (k = 0; k < 8; k++)
{
if (ucPixels & ucMask) // translate the pixel
{
if (bFlipY)
uc = 0x80 >> k;
else
uc = 1 << k;
iOffset = 15 - j;
if (bFlipX)
iOffset = 15 - iOffset;
iOffset += i << 1; // top/bottom half of output
if (bFlipY)
iOffset ^= 16;
ucTemp[iOffset] |= uc;
}
ucMask >>= 1;
} // for k
} // for i
} // for j
}
if (bInvert)
__InvertBytes(ucTemp, 32);
// Send the data to the display
__oledSetPosition(pOLED, x, y, bRender);
__oledWriteDataBlock(pOLED, ucTemp, 16, bRender); // top half
__oledSetPosition(pOLED, x, y + 1, bRender);
__oledWriteDataBlock(pOLED, &ucTemp[16], 16, bRender); // bottom half
} /* oledDrawTile() */
// Set (or clear) an individual pixel
// The local copy of the frame buffer is used to avoid
// reading data from the display controller
int __oledSetPixel(SSOLED *pOLED, int x, int y, unsigned char ucColor, int bRender)
{
int i;
unsigned char uc, ucOld;
i = ((y >> 3) * 128) + x;
if (i < 0 || i > 1023) // off the screen
return -1;
__oledSetPosition(pOLED, x, y >> 3, bRender);
if (pOLED->ucScreen)
uc = ucOld = pOLED->ucScreen[i];
else if (pOLED->oled_type == OLED_132x64 || pOLED->oled_type == OLED_128x128) // SH1106/SH1107 can read data
{
uint8_t ucTemp[3];
ucTemp[0] = 0x80; // one command
ucTemp[1] = 0xE0; // read_modify_write
ucTemp[2] = 0xC0; // one data
_I2CWrite(pOLED, ucTemp, 3);
// read a dummy byte followed by the data byte we want
I2CRead(&pOLED->bbi2c, pOLED->oled_addr, ucTemp, 2);
uc = ucOld = ucTemp[1]; // first byte is garbage
}
else
uc = ucOld = 0;
uc &= ~(0x1 << (y & 7));
if (ucColor)
{
uc |= (0x1 << (y & 7));
}
if (uc != ucOld) // pixel changed
{
// oledSetPosition(x, y>>3);
if (pOLED->ucScreen)
{
__oledWriteDataBlock(pOLED, &uc, 1, bRender);
pOLED->ucScreen[i] = uc;
}
else if (pOLED->oled_type == OLED_132x64 || pOLED->oled_type == OLED_128x128) // end the read_modify_write operation
{
uint8_t ucTemp[4];
ucTemp[0] = 0xc0; // one data
ucTemp[1] = uc; // actual data
ucTemp[2] = 0x80; // one command
ucTemp[3] = 0xEE; // end read_modify_write operation
_I2CWrite(pOLED, ucTemp, 4);
}
}
return 0;
} /* oledSetPixel() */
//
// Invert font data
//
void __InvertBytes(uint8_t *pData, uint8_t bLen)
{
uint8_t i;
for (i = 0; i < bLen; i++)
{
*pData = ~(*pData);
pData++;
}
} /* InvertBytes() */
//
// Load a 128x64 1-bpp Windows bitmap
// Pass the pointer to the beginning of the BMP file
// First pass version assumes a full screen bitmap
//
int __oledLoadBMP(SSOLED *pOLED, uint8_t *pBMP, int bInvert, int bRender)
{
int16_t i16;
int iOffBits, q, y, j; // offset to bitmap data
int iPitch;
uint8_t x, z, b, *s;
uint8_t dst_mask;
uint8_t ucTemp[16]; // process 16 bytes at a time
uint8_t bFlipped = false;
i16 = pgm_read_word(pBMP);
if (i16 != 0x4d42) // must start with 'BM'
return -1; // not a BMP file
i16 = pgm_read_word(pBMP + 18);
if (i16 != 128) // must be 128 pixels wide
return -1;
i16 = pgm_read_word(pBMP + 22);
if (i16 != 64 && i16 != -64) // must be 64 pixels tall
return -1;
if (i16 == 64) // BMP is flipped vertically (typical)
bFlipped = true;
i16 = pgm_read_word(pBMP + 28);
if (i16 != 1) // must be 1 bit per pixel
return -1;
iOffBits = pgm_read_word(pBMP + 10);
iPitch = 16;
if (bFlipped)
{
iPitch = -16;
iOffBits += (63 * 16); // start from bottom
}
// rotate the data and send it to the display
for (y = 0; y < 8; y++) // 8 lines of 8 pixels
{
__oledSetPosition(pOLED, 0, y, bRender);
for (j = 0; j < 8; j++) // do 8 sections of 16 columns
{
s = &pBMP[iOffBits + (j * 2) + (y * iPitch * 8)]; // source line
memset(ucTemp, 0, 16); // start with all black
for (x = 0; x < 16; x += 8) // do each block of 16x8 pixels
{
dst_mask = 1;
for (q = 0; q < 8; q++) // gather 8 rows
{
b = pgm_read_byte(s + (q * iPitch));
for (z = 0; z < 8; z++) // gather up the 8 bits of this column
{
if (b & 0x80)
ucTemp[x + z] |= dst_mask;
b <<= 1;
} // for z
dst_mask <<= 1;
} // for q
s++; // next source byte
} // for x
if (bInvert)
__InvertBytes(ucTemp, 16);
__oledWriteDataBlock(pOLED, ucTemp, 16, bRender);
} // for j
} // for y
return 0;
} /* oledLoadBMP() */
//
// Set the current cursor position
// The column represents the pixel column (0-127)
// The row represents the text row (0-7)
//
void __oledSetCursor(SSOLED *pOLED, int x, int y)
{
pOLED->iCursorX = x;
pOLED->iCursorY = y;
} /* oledSetCursor() */
//
// Turn text wrap on or off for the oldWriteString() function
//
void __oledSetTextWrap(SSOLED *pOLED, int bWrap)
{
pOLED->oled_wrap = bWrap;
} /* oledSetTextWrap() */
//
// Draw a string of normal (8x8), small (6x8) or large (16x32) characters
// At the given col+row
//
int __oledWriteString(SSOLED *pOLED, int iScroll, int x, int y, char *szMsg, int iSize, int bInvert, int bRender)
{
int i, iFontOff, iLen, iFontSkip;
unsigned char c, *s, ucTemp[40];
if (x == -1 || y == -1) // use the cursor position
{
x = pOLED->iCursorX;
y = pOLED->iCursorY;
}
else
{
pOLED->iCursorX = x;
pOLED->iCursorY = y; // set the new cursor position
}
if (pOLED->iCursorX >= pOLED->oled_x || pOLED->iCursorY >= pOLED->oled_y / 8)
return -1; // can't draw off the display
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
if (iSize == FONT_8x8) // 8x8 font
{
i = 0;
iFontSkip = iScroll & 7; // number of columns to initially skip
while (pOLED->iCursorX < pOLED->oled_x && szMsg[i] != 0 && pOLED->iCursorY < pOLED->oled_y / 8)
{
if (iScroll < 8) // only display visible characters
{
c = (unsigned char) szMsg[i];
iFontOff = (int) (c - 32) * 7;
// we can't directly use the pointer to FLASH memory, so copy to a local buffer
ucTemp[0] = 0;
memcpy(&ucTemp[1], &ucFont[iFontOff], 7);
if (bInvert)
__InvertBytes(ucTemp, 8);
// oledCachedWrite(ucTemp, 8);
iLen = 8 - iFontSkip;
if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge
iLen = pOLED->oled_x - pOLED->iCursorX;
__oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern
pOLED->iCursorX += iLen;
if (pOLED->iCursorX >= pOLED->oled_x - 7 && pOLED->oled_wrap) // word wrap enabled?
{
pOLED->iCursorX = 0; // start at the beginning of the next line
pOLED->iCursorY++;
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
}
iFontSkip = 0;
}
iScroll -= 8;
i++;
} // while
// oledCachedFlush(); // write any remaining data
return 0;
} // 8x8
#ifndef __AVR__
else if (iSize == FONT_16x32) // 16x32 font
{
i = 0;
iFontSkip = iScroll & 15; // number of columns to initially skip
while (pOLED->iCursorX < pOLED->oled_x && pOLED->iCursorY < (pOLED->oled_y / 8) - 3 && szMsg[i] != 0)
{
if (iScroll < 16) // if characters are visible
{
s = (unsigned char *) &ucBigFont[(unsigned char) (szMsg[i] - 32) * 64];
iLen = 16 - iFontSkip;
if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge
iLen = pOLED->oled_x - pOLED->iCursorX;
// we can't directly use the pointer to FLASH memory, so copy to a local buffer
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
memcpy(ucTemp, s, 16);
if (bInvert)
__InvertBytes(ucTemp, 16);
__oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY + 1, bRender);
memcpy(ucTemp, s + 16, 16);
if (bInvert)
__InvertBytes(ucTemp, 16);
__oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern
if (pOLED->iCursorY <= 5)
{
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY + 2, bRender);
memcpy(ucTemp, s + 32, 16);
if (bInvert)
__InvertBytes(ucTemp, 16);
__oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern
}
if (pOLED->iCursorY <= 4)
{
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY + 3, bRender);
memcpy(ucTemp, s + 48, 16);
if (bInvert)
__InvertBytes(ucTemp, 16);
__oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern
}
pOLED->iCursorX += iLen;
if (pOLED->iCursorX >= pOLED->oled_x - 15 && pOLED->oled_wrap) // word wrap enabled?
{
pOLED->iCursorX = 0; // start at the beginning of the next line
pOLED->iCursorY += 4;
}
iFontSkip = 0;
} // if character visible from scrolling
iScroll -= 16;
i++;
} // while
return 0;
} // 16x32
#endif // !__AVR__
else if (iSize == FONT_12x16) // 6x8 stretched to 12x16
{
i = 0;
iFontSkip = iScroll % 12; // number of columns to initially skip
while (pOLED->iCursorX < pOLED->oled_x && pOLED->iCursorY < (pOLED->oled_y / 8) - 1 && szMsg[i] != 0)
{
// stretch the 'normal' font instead of using the big font
if (iScroll < 12) // if characters are visible
{
int tx, ty;
c = szMsg[i] - 32;
unsigned char uc1, uc2, ucMask, *pDest;
s = (unsigned char *) &ucSmallFont[(int) c * 5];
ucTemp[0] = 0; // first column is blank
memcpy(&ucTemp[1], s, 6);
if (bInvert)
__InvertBytes(ucTemp, 6);
// Stretch the font to double width + double height
memset(&ucTemp[6], 0, 24); // write 24 new bytes
for (tx = 0; tx < 6; tx++)
{
ucMask = 3;
pDest = &ucTemp[6 + tx * 2];
uc1 = uc2 = 0;
c = ucTemp[tx];
for (ty = 0; ty < 4; ty++)
{
if (c & (1 << ty)) // a bit is set
uc1 |= ucMask;
if (c & (1 << (ty + 4)))
uc2 |= ucMask;
ucMask <<= 2;
}
pDest[0] = uc1;
pDest[1] = uc1; // double width
pDest[12] = uc2;
pDest[13] = uc2;
}
// smooth the diagonal lines
for (tx = 0; tx < 5; tx++)
{
uint8_t c0, c1, ucMask2;
c0 = ucTemp[tx];
c1 = ucTemp[tx + 1];
pDest = &ucTemp[6 + tx * 2];
ucMask = 1;
ucMask2 = 2;
for (ty = 0; ty < 7; ty++)
{
if (((c0 & ucMask) && !(c1 & ucMask) && !(c0 & ucMask2) && (c1 & ucMask2))
|| (!(c0 & ucMask) && (c1 & ucMask) && (c0 & ucMask2) && !(c1 & ucMask2)))
{
if (ty < 3) // top half
{
pDest[1] |= (1 << ((ty * 2) + 1));
pDest[2] |= (1 << ((ty * 2) + 1));
pDest[1] |= (1 << ((ty + 1) * 2));
pDest[2] |= (1 << ((ty + 1) * 2));
}
else if (ty == 3) // on the border
{
pDest[1] |= 0x80;
pDest[2] |= 0x80;
pDest[13] |= 1;
pDest[14] |= 1;
}
else // bottom half
{
pDest[13] |= (1 << (2 * (ty - 4) + 1));
pDest[14] |= (1 << (2 * (ty - 4) + 1));
pDest[13] |= (1 << ((ty - 3) * 2));
pDest[14] |= (1 << ((ty - 3) * 2));
}
}
else if (!(c0 & ucMask) && (c1 & ucMask) && (c0 & ucMask2) && !(c1 & ucMask2))
{
if (ty < 4) // top half
{
pDest[1] |= (1 << ((ty * 2) + 1));
pDest[2] |= (1 << ((ty + 1) * 2));
}
else
{
pDest[13] |= (1 << (2 * (ty - 4) + 1));
pDest[14] |= (1 << ((ty - 3) * 2));
}
}
ucMask <<= 1;
ucMask2 <<= 1;
}
}
iLen = 12 - iFontSkip;
if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge
iLen = pOLED->oled_x - pOLED->iCursorX;
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
__oledWriteDataBlock(pOLED, &ucTemp[6 + iFontSkip], iLen, bRender);
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY + 1, bRender);
__oledWriteDataBlock(pOLED, &ucTemp[18 + iFontSkip], iLen, bRender);
pOLED->iCursorX += iLen;
if (pOLED->iCursorX >= pOLED->oled_x - 11 && pOLED->oled_wrap) // word wrap enabled?
{
pOLED->iCursorX = 0; // start at the beginning of the next line
pOLED->iCursorY += 2;
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
}
iFontSkip = 0;
} // if characters are visible
iScroll -= 12;
i++;
} // while
return 0;
} // 12x16
else if (iSize == FONT_16x16) // 8x8 stretched to 16x16
{
i = 0;
iFontSkip = iScroll & 15; // number of columns to initially skip
while (pOLED->iCursorX < pOLED->oled_x && pOLED->iCursorY < (pOLED->oled_y / 8) - 1 && szMsg[i] != 0)
{
// stretch the 'normal' font instead of using the big font
if (iScroll < 16) // if characters are visible
{
int tx, ty;
c = szMsg[i] - 32;
unsigned char uc1, uc2, ucMask, *pDest;
s = (unsigned char *) &ucFont[(int) c * 7];
ucTemp[0] = 0;
memcpy(&ucTemp[1], s, 7);
if (bInvert)
__InvertBytes(ucTemp, 8);
// Stretch the font to double width + double height
memset(&ucTemp[8], 0, 32); // write 32 new bytes
for (tx = 0; tx < 8; tx++)
{
ucMask = 3;
pDest = &ucTemp[8 + tx * 2];
uc1 = uc2 = 0;
c = ucTemp[tx];
for (ty = 0; ty < 4; ty++)
{
if (c & (1 << ty)) // a bit is set
uc1 |= ucMask;
if (c & (1 << (ty + 4)))
uc2 |= ucMask;
ucMask <<= 2;
}
pDest[0] = uc1;
pDest[1] = uc1; // double width
pDest[16] = uc2;
pDest[17] = uc2;
}
iLen = 16 - iFontSkip;
if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge
iLen = pOLED->oled_x - pOLED->iCursorX;
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
__oledWriteDataBlock(pOLED, &ucTemp[8 + iFontSkip], iLen, bRender);
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY + 1, bRender);
__oledWriteDataBlock(pOLED, &ucTemp[24 + iFontSkip], iLen, bRender);
pOLED->iCursorX += iLen;
if (pOLED->iCursorX >= pOLED->oled_x - 15 && pOLED->oled_wrap) // word wrap enabled?
{
pOLED->iCursorX = 0; // start at the beginning of the next line
pOLED->iCursorY += 2;
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
}
iFontSkip = 0;
} // if characters are visible
iScroll -= 16;
i++;
} // while
return 0;
} // 16x16
else if (iSize == FONT_6x8) // 6x8 font
{
i = 0;
iFontSkip = iScroll % 6;
while (pOLED->iCursorX < pOLED->oled_x && pOLED->iCursorY < (pOLED->oled_y / 8) && szMsg[i] != 0)
{
if (iScroll < 6) // if characters are visible
{
c = szMsg[i] - 32;
// we can't directly use the pointer to FLASH memory, so copy to a local buffer
ucTemp[0] = 0;
memcpy(&ucTemp[1], &ucSmallFont[(int) c * 5], 5);
if (bInvert)
__InvertBytes(ucTemp, 6);
iLen = 6 - iFontSkip;
if (pOLED->iCursorX + iLen > pOLED->oled_x) // clip right edge
iLen = pOLED->oled_x - pOLED->iCursorX;
__oledWriteDataBlock(pOLED, &ucTemp[iFontSkip], iLen, bRender); // write character pattern
// oledCachedWrite(ucTemp, 6);
pOLED->iCursorX += iLen;
iFontSkip = 0;
if (pOLED->iCursorX >= pOLED->oled_x - 5 && pOLED->oled_wrap) // word wrap enabled?
{
pOLED->iCursorX = 0; // start at the beginning of the next line
pOLED->iCursorY++;
__oledSetPosition(pOLED, pOLED->iCursorX, pOLED->iCursorY, bRender);
}
} // if characters are visible
iScroll -= 6;
i++;
}
// oledCachedFlush(); // write any remaining data
return 0;
} // 6x8
return -1; // invalid size
} /* oledWriteString() */
//
// Render a sprite/rectangle of pixels from a provided buffer to the display.
// The row values refer to byte rows, not pixel rows due to the memory
// layout of OLEDs.
// returns 0 for success, -1 for invalid parameter
//
int __oledDrawGFX(SSOLED *pOLED, uint8_t *pBuffer, int iSrcCol, int iSrcRow, int iDestCol, int iDestRow, int iWidth,
int iHeight, int iSrcPitch)
{
int y;
if (iSrcCol < 0 || iSrcCol > 127 || iSrcRow < 0 || iSrcRow > 7 || iDestCol < 0 || iDestCol >= pOLED->oled_x
|| iDestRow < 0 || iDestRow >= (pOLED->oled_y >> 3) || iSrcPitch <= 0)
return -1; // invalid
for (y = iSrcRow; y < iSrcRow + iHeight; y++)
{
uint8_t *s = &pBuffer[(y * iSrcPitch) + iSrcCol];
__oledSetPosition(pOLED, iDestCol, iDestRow, 1);
__oledWriteDataBlock(pOLED, s, iWidth, 1);
pBuffer += iSrcPitch;
iDestRow++;
} // for y
return 0;
} /* oledDrawGFX() */
//
// Dump a screen's worth of data directly to the display
// Try to speed it up by comparing the new bytes with the existing buffer
//
void __oledDumpBuffer(SSOLED *pOLED, uint8_t *pBuffer)
{
int x, y;
int iLines, iCols;
uint8_t bNeedPos;
uint8_t *pSrc = pOLED->ucScreen;
if (pBuffer == NULL) // dump the internal buffer if none is given
pBuffer = pOLED->ucScreen;
if (pBuffer == NULL)
return; // no backbuffer and no provided buffer
iLines = pOLED->oled_y >> 3;
iCols = pOLED->oled_x >> 4;
for (y = 0; y < iLines; y++)
{
bNeedPos = 1; // start of a new line means we need to set the position too
for (x = 0; x < iCols; x++) // wiring library has a 32-byte buffer, so send 16 bytes so that the data prefix (0x40) can fit
{
if (pOLED->ucScreen == NULL || pBuffer == pSrc || memcmp(pSrc, pBuffer, 16) != 0) // doesn't match, need to send it
{
if (bNeedPos) // need to reposition output cursor?
{
bNeedPos = 0;
__oledSetPosition(pOLED, x * 16, y, 1);
}
__oledWriteDataBlock(pOLED, pBuffer, 16, 1);
}
else
{
bNeedPos = 1; // we're skipping a block, so next time will need to set the new position
}
pSrc += 16;
pBuffer += 16;
} // for x
pSrc += (128 - pOLED->oled_x); // for narrow displays, skip to the next line
pBuffer += (128 - pOLED->oled_x);
} // for y
} /* oledDumpBuffer() */
//
// Fill the frame buffer with a byte pattern
// e.g. all off (0x00) or all on (0xff)
//
void __oledFill(SSOLED *pOLED, unsigned char ucData, int bRender)
{
uint8_t x, y;
uint8_t iLines, iCols;
unsigned char temp[16];
iLines = pOLED->oled_y >> 3;
iCols = pOLED->oled_x >> 4;
memset(temp, ucData, 16);
pOLED->iCursorX = pOLED->iCursorY = 0;
for (y = 0; y < iLines; y++)
{
__oledSetPosition(pOLED, 0, y, bRender); // set to (0,Y)
for (x = 0; x < iCols; x++) // wiring library has a 32-byte buffer, so send 16 bytes so that the data prefix (0x40) can fit
{
__oledWriteDataBlock(pOLED, temp, 16, bRender);
} // for x
// 72 isn't evenly divisible by 16, so fix it
if (pOLED->oled_type == OLED_72x40)
__oledWriteDataBlock(pOLED, temp, 8, bRender);
} // for y
if (pOLED->ucScreen)
memset(pOLED->ucScreen, ucData, (pOLED->oled_x * pOLED->oled_y) / 8);
} /* oledFill() */
//
// Provide or revoke a back buffer for your OLED graphics
// This allows you to manage the RAM used by ss_oled on tiny
// embedded platforms like the ATmega series
// Pass NULL to revoke the buffer. Make sure you provide a buffer
// large enough for your display (e.g. 128x64 needs 1K - 1024 bytes)
//
void __oledSetBackBuffer(SSOLED *pOLED, uint8_t *pBuffer)
{
pOLED->ucScreen = pBuffer;
} /* oledSetBackBuffer() */
void __oledDrawLine(SSOLED *pOLED, int x1, int y1, int x2, int y2, int bRender)
{
int temp;
int dx = x2 - x1;
int dy = y2 - y1;
int error;
uint8_t *p, *pStart, mask, bOld, bNew;
int xinc, yinc;
int y, x;
if (x1 < 0 || x2 < 0 || y1 < 0 || y2 < 0 || x1 >= pOLED->oled_x || x2 >= pOLED->oled_x || y1 >= pOLED->oled_y
|| y2 >= pOLED->oled_y)
return;
if (abs(dx) > abs(dy))
{
// X major case
if (x2 < x1)
{
dx = -dx;
temp = x1;
x1 = x2;
x2 = temp;
temp = y1;
y1 = y2;
y2 = temp;
}
y = y1;
dy = (y2 - y1);
error = dx >> 1;
yinc = 1;
if (dy < 0)
{
dy = -dy;
yinc = -1;
}
p = pStart = &pOLED->ucScreen[x1 + ((y >> 3) << 7)]; // point to current spot in back buffer
mask = 1 << (y & 7); // current bit offset
for (x = x1; x1 <= x2; x1++)
{
*p++ |= mask; // set pixel and increment x pointer
error -= dy;
if (error < 0)
{
error += dx;
if (yinc > 0)
mask <<= 1;
else
mask >>= 1;
if (mask == 0) // we've moved outside the current row, write the data we changed
{
__oledSetPosition(pOLED, x, y >> 3, bRender);
__oledWriteDataBlock(pOLED, pStart, (int) (p - pStart), bRender); // write the row we changed
x = x1 + 1; // we've already written the byte at x1
y1 = y + yinc;
p += (yinc > 0) ? 128 : -128;
pStart = p;
mask = 1 << (y1 & 7);
}
y += yinc;
}
} // for x1
if (p != pStart) // some data needs to be written
{
__oledSetPosition(pOLED, x, y >> 3, bRender);
__oledWriteDataBlock(pOLED, pStart, (int) (p - pStart), bRender);
}
}
else
{
// Y major case
if (y1 > y2)
{
dy = -dy;
temp = x1;
x1 = x2;
x2 = temp;
temp = y1;
y1 = y2;
y2 = temp;
}
p = &pOLED->ucScreen[x1 + ((y1 >> 3) * 128)]; // point to current spot in back buffer
bOld = bNew = p[0]; // current data at that address
mask = 1 << (y1 & 7); // current bit offset
dx = (x2 - x1);
error = dy >> 1;
xinc = 1;
if (dx < 0)
{
dx = -dx;
xinc = -1;
}
for (x = x1; y1 <= y2; y1++)
{
bNew |= mask; // set the pixel
error -= dx;
mask <<= 1; // y1++
if (mask == 0) // we're done with this byte, write it if necessary
{
if (bOld != bNew)
{
p[0] = bNew; // save to RAM
__oledSetPosition(pOLED, x, y1 >> 3, bRender);
__oledWriteDataBlock(pOLED, &bNew, 1, bRender);
}
p += 128; // next line
bOld = bNew = p[0];
mask = 1; // start at LSB again
}
if (error < 0)
{
error += dy;
if (bOld != bNew) // write the last byte we modified if it changed
{
p[0] = bNew; // save to RAM
__oledSetPosition(pOLED, x, y1 >> 3, bRender);
__oledWriteDataBlock(pOLED, &bNew, 1, bRender);
}
p += xinc;
x += xinc;
bOld = bNew = p[0];
}
} // for y
if (bOld != bNew) // write the last byte we modified if it changed
{
p[0] = bNew; // save to RAM
__oledSetPosition(pOLED, x, y2 >> 3, bRender);
__oledWriteDataBlock(pOLED, &bNew, 1, bRender);
}
} // y major case
} /* oledDrawLine() */
//
// For drawing ellipses, a circle is drawn and the x and y pixels are scaled by a 16-bit integer fraction
// This function draws a single pixel and scales its position based on the x/y fraction of the ellipse
//
static void __DrawScaledPixel(SSOLED *pOLED, int iCX, int iCY, int x, int y, int32_t iXFrac, int32_t iYFrac,
uint8_t ucColor)
{
uint8_t *d, ucMask;
if (iXFrac != 0x10000)
x = ((x * iXFrac) >> 16);
if (iYFrac != 0x10000)
y = ((y * iYFrac) >> 16);
x += iCX;
y += iCY;
if (x < 0 || x >= pOLED->oled_x || y < 0 || y >= pOLED->oled_y)
return; // off the screen
d = &pOLED->ucScreen[((y >> 3) * 128) + x];
ucMask = 1 << (y & 7);
if (ucColor)
*d |= ucMask;
else
*d &= ~ucMask;
} /* DrawScaledPixel() */
//
// For drawing filled ellipses
//
static void __DrawScaledLine(SSOLED *pOLED, int iCX, int iCY, int x, int y, int32_t iXFrac, int32_t iYFrac,
uint8_t ucColor)
{
int iLen, x2;
uint8_t *d, ucMask;
if (iXFrac != 0x10000)
x = ((x * iXFrac) >> 16);
if (iYFrac != 0x10000)
y = ((y * iYFrac) >> 16);
iLen = x * 2;
x = iCX - x;
y += iCY;
x2 = x + iLen;
if (y < 0 || y >= pOLED->oled_y)
return; // completely off the screen
if (x < 0)
x = 0;
if (x2 >= pOLED->oled_x)
x2 = pOLED->oled_x - 1;
iLen = x2 - x + 1; // new length
d = &pOLED->ucScreen[((y >> 3) * 128) + x];
ucMask = 1 << (y & 7);
if (ucColor) // white
{
for (; iLen > 0; iLen--)
*d++ |= ucMask;
}
else // black
{
for (; iLen > 0; iLen--)
*d++ &= ~ucMask;
}
} /* DrawScaledLine() */
//
// Draw the 8 pixels around the Bresenham circle
// (scaled to make an ellipse)
//
static void BresenhamCircle(SSOLED *pOLED, int iCX, int iCY, int x, int y, int32_t iXFrac, int32_t iYFrac,
uint8_t ucColor, uint8_t bFill)
{
if (bFill) // draw a filled ellipse
{
// for a filled ellipse, draw 4 lines instead of 8 pixels
__DrawScaledLine(pOLED, iCX, iCY, x, y, iXFrac, iYFrac, ucColor);
__DrawScaledLine(pOLED, iCX, iCY, x, -y, iXFrac, iYFrac, ucColor);
__DrawScaledLine(pOLED, iCX, iCY, y, x, iXFrac, iYFrac, ucColor);
__DrawScaledLine(pOLED, iCX, iCY, y, -x, iXFrac, iYFrac, ucColor);
}
else // draw 8 pixels around the edges
{
__DrawScaledPixel(pOLED, iCX, iCY, x, y, iXFrac, iYFrac, ucColor);
__DrawScaledPixel(pOLED, iCX, iCY, -x, y, iXFrac, iYFrac, ucColor);
__DrawScaledPixel(pOLED, iCX, iCY, x, -y, iXFrac, iYFrac, ucColor);
__DrawScaledPixel(pOLED, iCX, iCY, -x, -y, iXFrac, iYFrac, ucColor);
__DrawScaledPixel(pOLED, iCX, iCY, y, x, iXFrac, iYFrac, ucColor);
__DrawScaledPixel(pOLED, iCX, iCY, -y, x, iXFrac, iYFrac, ucColor);
__DrawScaledPixel(pOLED, iCX, iCY, y, -x, iXFrac, iYFrac, ucColor);
__DrawScaledPixel(pOLED, iCX, iCY, -y, -x, iXFrac, iYFrac, ucColor);
}
} /* BresenhamCircle() */
//
// Draw an outline or filled ellipse
//
void __oledEllipse(SSOLED *pOLED, int iCenterX, int iCenterY, int32_t iRadiusX, int32_t iRadiusY, uint8_t ucColor,
uint8_t bFilled)
{
int32_t iXFrac, iYFrac;
int iRadius, iDelta, x, y;
if (pOLED == NULL || pOLED->ucScreen == NULL)
return; // must have back buffer defined
if (iRadiusX <= 0 || iRadiusY <= 0)
return; // invalid radii
if (iRadiusX > iRadiusY) // use X as the primary radius
{
iRadius = iRadiusX;
iXFrac = 65536;
iYFrac = (iRadiusY * 65536) / iRadiusX;
}
else
{
iRadius = iRadiusY;
iXFrac = (iRadiusX * 65536) / iRadiusY;
iYFrac = 65536;
}
iDelta = 3 - (2 * iRadius);
x = 0;
y = iRadius;
while (x <= y)
{
BresenhamCircle(pOLED, iCenterX, iCenterY, x, y, iXFrac, iYFrac, ucColor, bFilled);
x++;
if (iDelta < 0)
{
iDelta += (4 * x) + 6;
}
else
{
iDelta += 4 * (x - y) + 10;
y--;
}
}
} /* oledEllipse() */
//
// Draw an outline or filled rectangle
//
void __oledRectangle(SSOLED *pOLED, int x1, int y1, int x2, int y2, uint8_t ucColor, uint8_t bFilled)
{
uint8_t *d, ucMask, ucMask2;
int tmp, iOff;
if (pOLED == NULL || pOLED->ucScreen == NULL)
return; // only works with a back buffer
if (x1 < 0 || y1 < 0 || x2 < 0 || y2 < 0 || x1 >= pOLED->oled_x || y1 >= pOLED->oled_y || x2 >= pOLED->oled_x
|| y2 >= pOLED->oled_y)
return; // invalid coordinates
// Make sure that X1/Y1 is above and to the left of X2/Y2
// swap coordinates as needed to make this true
if (x2 < x1)
{
tmp = x1;
x1 = x2;
x2 = tmp;
}
if (y2 < y1)
{
tmp = y1;
y1 = y2;
y2 = tmp;
}
if (bFilled)
{
int x, y, iMiddle;
iMiddle = (y2 >> 3) - (y1 >> 3);
ucMask = 0xff << (y1 & 7);
if (iMiddle == 0) // top and bottom lines are in the same row
ucMask &= (0xff >> (7 - (y2 & 7)));
d = &pOLED->ucScreen[(y1 >> 3) * 128 + x1];
// Draw top
for (x = x1; x <= x2; x++)
{
if (ucColor)
*d |= ucMask;
else
*d &= ~ucMask;
d++;
}
if (iMiddle > 1) // need to draw middle part
{
ucMask = (ucColor) ? 0xff : 0x00;
for (y = 1; y < iMiddle; y++)
{
d = &pOLED->ucScreen[(y1 >> 3) * 128 + x1 + (y * 128)];
for (x = x1; x <= x2; x++)
*d++ = ucMask;
}
}
if (iMiddle >= 1) // need to draw bottom part
{
ucMask = 0xff >> (7 - (y2 & 7));
d = &pOLED->ucScreen[(y2 >> 3) * 128 + x1];
for (x = x1; x <= x2; x++)
{
if (ucColor)
*d++ |= ucMask;
else
*d++ &= ~ucMask;
}
}
}
else // outline
{
// see if top and bottom lines are within the same byte rows
d = &pOLED->ucScreen[(y1 >> 3) * 128 + x1];
if ((y1 >> 3) == (y2 >> 3))
{
ucMask2 = 0xff << (y1 & 7); // L/R end masks
ucMask = 1 << (y1 & 7);
ucMask |= 1 << (y2 & 7);
ucMask2 &= (0xff >> (7 - (y2 & 7)));
if (ucColor)
{
*d++ |= ucMask2; // start
x1++;
for (; x1 < x2; x1++)
*d++ |= ucMask;
if (x1 <= x2)
*d++ |= ucMask2; // right edge
}
else
{
*d++ &= ~ucMask2;
x1++;
for (; x1 < x2; x1++)
*d++ &= ~ucMask;
if (x1 <= x2)
*d++ &= ~ucMask2; // right edge
}
}
else
{
int y;
// L/R sides
iOff = (x2 - x1);
ucMask = 1 << (y1 & 7);
for (y = y1; y <= y2; y++)
{
if (ucColor)
{
*d |= ucMask;
d[iOff] |= ucMask;
}
else
{
*d &= ~ucMask;
d[iOff] &= ~ucMask;
}
ucMask <<= 1;
if (ucMask == 0)
{
ucMask = 1;
d += 128;
}
}
// T/B sides
ucMask = 1 << (y1 & 7);
ucMask2 = 1 << (y2 & 7);
x1++;
d = &pOLED->ucScreen[(y1 >> 3) * 128 + x1];
iOff = (y2 >> 3) - (y1 >> 3);
iOff *= 128;
for (; x1 < x2; x1++)
{
if (ucColor)
{
*d |= ucMask;
d[iOff] |= ucMask2;
}
else
{
*d &= ~ucMask;
d[iOff] &= ~ucMask2;
}
d++;
}
}
} // outline
} /* oledRectangle() */
include 文件夹包含的文件
bitbang_iic.h
//
// Bit Bang I2C library
// Copyright (c) 2018 BitBank Software, Inc.
// Written by Larry Bank (bitbank@pobox.com)
// Project started 10/12/2018
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
#ifndef __BITBANG_I2C__
#define __BITBANG_I2C__
#include "pico/stdlib.h"
#include "hardware/i2c.h"
// supported devices
enum {
DEVICE_UNKNOWN = 0,
DEVICE_SSD1306,
DEVICE_SH1106,
DEVICE_VL53L0X,
DEVICE_BMP180,
DEVICE_BMP280,
DEVICE_BME280,
DEVICE_MPU6000,
DEVICE_MPU9250,
DEVICE_MCP9808,
DEVICE_LSM6DS3,
DEVICE_ADXL345,
DEVICE_ADS1115,
DEVICE_MAX44009,
DEVICE_MAG3110,
DEVICE_CCS811,
DEVICE_HTS221,
DEVICE_LPS25H,
DEVICE_LSM9DS1,
DEVICE_LM8330,
DEVICE_DS3231,
DEVICE_LIS3DH,
DEVICE_LIS3DSH,
DEVICE_INA219,
DEVICE_SHT3X,
DEVICE_HDC1080,
DEVICE_MPU6886,
DEVICE_BME680,
DEVICE_AXP202,
DEVICE_AXP192,
DEVICE_24AAXXXE64,
DEVICE_DS1307
};
#ifndef LOW
#define LOW 0
#define HIGH 1
#endif
typedef struct mybbi2c
{
uint8_t iSDA, iSCL; // pin numbers (0xff = disabled)
i2c_inst_t * picoI2C; // used pico I2C
} BBI2C;
#ifdef __cplusplus
extern "C" {
#endif
//
// Read N bytes
//
int I2CRead(BBI2C *pI2C, uint8_t iAddr, uint8_t *pData, int iLen);
//
// Read N bytes starting at a specific I2C internal register
//
int I2CReadRegister(BBI2C *pI2C, uint8_t iAddr, uint8_t u8Register, uint8_t *pData, int iLen);
//
// Write I2C data
// quits if a NACK is received and returns 0
// otherwise returns the number of bytes written
//
int I2CWrite(BBI2C *pI2C, uint8_t iAddr, uint8_t *pData, int iLen);
//
// Scans for I2C devices on the bus
// returns a bitmap of devices which are present (128 bits = 16 bytes, LSB first)
//
// Test if an address responds
// returns 0 if no response, 1 if it responds
//
uint8_t I2CTest(BBI2C *pI2C, uint8_t addr);
// A set bit indicates that a device responded at that address
//
void I2CScan(BBI2C *pI2C, uint8_t *pMap);
//
// Initialize the I2C BitBang library
// Pass the pin numbers used for SDA and SCL
// as well as the clock rate in Hz
//
void I2CInit(BBI2C *pI2C, uint32_t iClock);
//
// Figure out what device is at that address
// returns the enumerated value
//
int I2CDiscoverDevice(BBI2C *pI2C, uint8_t i);
#ifdef __cplusplus
}
#endif
#endif //__BITBANG_I2C__
ss_oled.h
#ifndef __SS_OLED_H__
#define __SS_OLED_H__
#include <include/bitbang_iic.h>
typedef struct ssoleds
{
uint8_t oled_addr; // requested address or 0xff for automatic detection
uint8_t oled_wrap, oled_flip, oled_type;
uint8_t *ucScreen;
uint8_t iCursorX, iCursorY;
uint8_t oled_x, oled_y;
int iScreenOffset;
BBI2C bbi2c;
} SSOLED;
// Make the Linux library interface C instead of C++
#if defined(__cplusplus)
extern "C" {
#endif
// 4 possible font sizes: 8x8, 16x32, 6x8, 16x16 (stretched from 8x8)
enum {
FONT_6x8 = 0,
FONT_8x8,
FONT_12x16,
FONT_16x16,
FONT_16x32
};
#define FONT_NORMAL FONT_8x8
#define FONT_SMALL FONT_6x8
#define FONT_LARGE FONT_16x32
#define FONT_STRETCHED FONT_16x16
// OLED type for init function
enum {
OLED_128x128 = 1,
OLED_128x32,
OLED_128x64,
OLED_132x64,
OLED_64x32,
OLED_96x16,
OLED_72x40
};
// Rotation and flip angles to draw tiles
enum {
ANGLE_0=0,
ANGLE_90,
ANGLE_180,
ANGLE_270,
ANGLE_FLIPX,
ANGLE_FLIPY
};
// Return value from oledInit()
enum {
OLED_NOT_FOUND = -1, // no display found
OLED_SSD1306_3C, // SSD1306 found at 0x3C
OLED_SSD1306_3D, // SSD1306 found at 0x3D
OLED_SH1106_3C, // SH1106 found at 0x3C
OLED_SH1106_3D, // SH1106 found at 0x3D
OLED_SH1107_3C, // SH1107
OLED_SH1107_3D
};
//
// Initializes the OLED controller into "page mode" on I2C
// If SDAPin and SCLPin are not -1, then bit bang I2C on those pins
// Otherwise use the Wire library.
// If you don't need to use a separate reset pin, set it to -1
//
int __oledInit(SSOLED *pOLED, int bInvert, int32_t iSpeed);
//
// Provide or revoke a back buffer for your OLED graphics
// This allows you to manage the RAM used by ss_oled on tiny
// embedded platforms like the ATmega series
// Pass NULL to revoke the buffer. Make sure you provide a buffer
// large enough for your display (e.g. 128x64 needs 1K - 1024 bytes)
//
void __oledSetBackBuffer(SSOLED *pOLED, uint8_t *pBuffer);
//
// Sets the brightness (0=off, 255=brightest)
//
void __oledSetContrast(SSOLED *pOLED, unsigned char ucContrast);
//
// Load a 128x64 1-bpp Windows bitmap
// Pass the pointer to the beginning of the BMP file
// First pass version assumes a full screen bitmap
//
int __oledLoadBMP(SSOLED *pOLED, uint8_t *pBMP, int bInvert, int bRender);
//
// Power up/down the display
// useful for low power situations
//
void __oledPower(SSOLED *pOLED, uint8_t bOn);
//
// Set the current cursor position
// The column represents the pixel column (0-127)
// The row represents the text row (0-7)
//
void __oledSetCursor(SSOLED *pOLED, int x, int y);
//
// Turn text wrap on or off for the oldWriteString() function
//
void __oledSetTextWrap(SSOLED *pOLED, int bWrap);
//
// Draw a string of normal (8x8), small (6x8) or large (16x32) characters
// At the given col+row with the given scroll offset. The scroll offset allows you to
// horizontally scroll text which does not fit on the width of the display. The offset
// represents the pixels to skip when drawing the text. An offset of 0 starts at the beginning
// of the text.
// The system remembers where the last text was written (the cursor position)
// To continue writing from the last position, set the x,y values to -1
// The text can optionally wrap around to the next line by calling oledSetTextWrap(true);
// otherwise text which would go off the right edge will not be drawn and the cursor will
// be left "off screen" until set to a new position explicitly
//
// Returns 0 for success, -1 for invalid parameter
//
int __oledWriteString(SSOLED *pOLED, int iScrollX, int x, int y, char *szMsg, int iSize, int bInvert, int bRender);
//
// Fill the frame buffer with a byte pattern
// e.g. all off (0x00) or all on (0xff)
//
void __oledFill(SSOLED *pOLED, unsigned char ucData, int bRender);
//
// Set (or clear) an individual pixel
// The local copy of the frame buffer is used to avoid
// reading data from the display controller
// (which isn't possible in most configurations)
// This function needs the USE_BACKBUFFER macro to be defined
// otherwise, new pixels will erase old pixels within the same byte
//
int __oledSetPixel(SSOLED *pOLED, int x, int y, unsigned char ucColor, int bRender);
//
// Dump an entire custom buffer to the display
// useful for custom animation effects
//
void __oledDumpBuffer(SSOLED *pOLED, uint8_t *pBuffer);
//
// Render a window of pixels from a provided buffer or the library's internal buffer
// to the display. The row values refer to byte rows, not pixel rows due to the memory
// layout of OLEDs. Pass a src pointer of NULL to use the internal backing buffer
// returns 0 for success, -1 for invalid parameter
//
int __oledDrawGFX(SSOLED *pOLED, uint8_t *pSrc, int iSrcCol, int iSrcRow, int iDestCol, int iDestRow, int iWidth, int iHeight, int iSrcPitch);
//
// Draw a line between 2 points
//
void __oledDrawLine(SSOLED *pOLED, int x1, int y1, int x2, int y2, int bRender);
//
// Play a frame of animation data
// The animation data is assumed to be encoded for a full frame of the display
// Given the pointer to the start of the compressed data,
// it returns the pointer to the start of the next frame
// Frame rate control is up to the calling program to manage
// When it finishes the last frame, it will start again from the beginning
//
uint8_t * __oledPlayAnimFrame(SSOLED *pOLED, uint8_t *pAnimation, uint8_t *pCurrent, int iLen);
//
// Scroll the internal buffer by 1 scanline (up/down)
// width is in pixels, lines is group of 8 rows
// Returns 0 for success, -1 for invalid parameter
//
int __oledScrollBuffer(SSOLED *pOLED, int iStartCol, int iEndCol, int iStartRow, int iEndRow, int bUp);
//
// Draw a sprite of any size in any position
// If it goes beyond the left/right or top/bottom edges
// it's trimmed to show the valid parts
// This function requires a back buffer to be defined
// The priority color (0 or 1) determines which color is painted
// when a 1 is encountered in the source image.
// e.g. when 0, the input bitmap acts like a mask to clear
// the destination where bits are set.
//
void __oledDrawSprite(SSOLED *pOLED, uint8_t *pSprite, int cx, int cy, int iPitch, int x, int y, uint8_t iPriority);
//
// Draw a 16x16 tile in any of 4 rotated positions
// Assumes input image is laid out like "normal" graphics with
// the MSB on the left and 2 bytes per line
// On AVR, the source image is assumed to be in FLASH memory
// The function can draw the tile on byte boundaries, so the x value
// can be from 0 to 112 and y can be from 0 to 6
//
void __oledDrawTile(SSOLED *pOLED, const uint8_t *pTile, int x, int y, int iRotation, int bInvert, int bRender);
//
// Draw an outline or filled ellipse
//
void __oledEllipse(SSOLED *pOLED, int iCenterX, int iCenterY, int32_t iRadiusX, int32_t iRadiusY, uint8_t ucColor, uint8_t bFilled);
//
// Draw an outline or filled rectangle
//
void __oledRectangle(SSOLED *pOLED, int x1, int y1, int x2, int y2, uint8_t ucColor, uint8_t bFilled);
#if defined(__cplusplus)
}
#endif
#endif // __SS_OLED_H__
ss_oled.hpp
#pragma once
#include <include/bitbang_iic.h>
#include "pico/stdlib.h"
#include "hardware/i2c.h"
#include "ss_oled.h"
class picoSSOLED
{
private:
SSOLED oled;
bool invert;
int32_t speed;
public:
//constructor
picoSSOLED(int iType, int iAddr, bool bFlip, bool bInvert, i2c_inst_t * pI2C, int sda, int scl, int32_t iSpeed)
{
oled.oled_type = iType;
oled.oled_addr = iAddr;
oled.oled_flip = (int) bFlip;
invert = bInvert;
oled.bbi2c.picoI2C = pI2C;
oled.bbi2c.iSDA = sda;
oled.bbi2c.iSCL = scl;
speed = iSpeed;
}
;
int init()
{
return __oledInit(&oled, (int) invert, (int32_t) speed);
}
;
//
// Provide or revoke a back buffer for your OLED graphics
// This allows you to manage the RAM used by ss_oled on tiny
// embedded platforms like the ATmega series
// Pass NULL to revoke the buffer. Make sure you provide a buffer
// large enough for your display (e.g. 128x64 needs 1K - 1024 bytes)
//
void set_back_buffer(uint8_t * pBuffer)
{
__oledSetBackBuffer(&oled, pBuffer);
}
;
//
// Sets the brightness (0=off, 255=brightest)
//
void set_contrast(uint ucContrast)
{
__oledSetContrast(&oled, (unsigned char) ucContrast);
}
;
//
// Load a 128x64 1-bpp Windows bitmap
// Pass the pointer to the beginning of the BMP file
// First pass version assumes a full screen bitmap
//
int load_bmp(uint8_t *pBMP, bool bInvert, bool bRender)
{
return __oledLoadBMP(&oled, pBMP, (int) bInvert, (int) bRender);
}
;
//
// Power up/down the display
// useful for low power situations
//
void power(bool bON)
{
__oledPower(&oled, (uint8_t) bON);
}
;
//
// Set the current cursor position
// The column represents the pixel column (0-127)
// The row represents the text row (0-7)
//
void set_cursor(int x, int y)
{
__oledSetCursor(&oled, x, y);
}
;
//
// Turn text wrap on or off for the oldWriteString() function
//
void set_textWrap(bool bWrap)
{
__oledSetTextWrap(&oled, (int) bWrap);
}
;
//
// Draw a string of normal (8x8), small (6x8) or large (16x32) characters
// At the given col+row with the given scroll offset. The scroll offset allows you to
// horizontally scroll text which does not fit on the width of the display. The offset
// represents the pixels to skip when drawing the text. An offset of 0 starts at the beginning
// of the text.
// The system remembers where the last text was written (the cursor position)
// To continue writing from the last position, set the x,y values to -1
// The text can optionally wrap around to the next line by calling oledSetTextWrap(true);
// otherwise text which would go off the right edge will not be drawn and the cursor will
// be left "off screen" until set to a new position explicitly
//
// Returns 0 for success, -1 for invalid parameter
//
int write_string(int iScrollX, int x, int y, char *szMsg, int iSize, bool bInvert, bool bRender)
{
return __oledWriteString(&oled, iScrollX, x, y, szMsg, iSize, (int) bInvert, (int) bRender);
}
;
//
// Fill the frame buffer with a byte pattern
// e.g. all off (0x00) or all on (0xff)
//
void fill(unsigned char ucData, bool bRender)
{
__oledFill(&oled, ucData, (int) bRender);
}
//
// Set (or clear) an individual pixel
// The local copy of the frame buffer is used to avoid
// reading data from the display controller
// (which isn't possible in most configurations)
// This function needs the USE_BACKBUFFER macro to be defined
// otherwise, new pixels will erase old pixels within the same byte
//
int set_pixel(int x, int y, unsigned char ucColor, bool bRender)
{
return __oledSetPixel(&oled, x, y, ucColor, (int) bRender);
}
;
//
// Dump an entire custom buffer to the display
// useful for custom animation effects
//
void dump_buffer(uint8_t *pBuffer)
{
__oledDumpBuffer(&oled, pBuffer);
}
;
//
// Render a window of pixels from a provided buffer or the library's internal buffer
// to the display. The row values refer to byte rows, not pixel rows due to the memory
// layout of OLEDs. Pass a src pointer of NULL to use the internal backing buffer
// returns 0 for success, -1 for invalid parameter
//
int draw_GFX(uint8_t *pSrc, int iSrcCol, int iSrcRow, int iDestCol, int iDestRow, int iWidth, int iHeight,
int iSrcPitch)
{
return __oledDrawGFX(&oled, pSrc, iSrcCol, iSrcRow, iDestCol, iDestRow, iWidth, iHeight, iSrcPitch);
}
;
//
// Draw a line between 2 points
//
void draw_line(int x1, int y1, int x2, int y2, bool bRender)
{
__oledDrawLine(&oled, x1, y1, x2, y2, (int) bRender);
}
;
//
// Play a frame of animation data
// The animation data is assumed to be encoded for a full frame of the display
// Given the pointer to the start of the compressed data,
// it returns the pointer to the start of the next frame
// Frame rate control is up to the calling program to manage
// When it finishes the last frame, it will start again from the beginning
//
uint8_t * play_anim_frame(uint8_t *pAnimation, uint8_t *pCurrent, int iLen)
{
return __oledPlayAnimFrame(&oled, pAnimation, pCurrent, iLen);
}
;
//
// Scroll the internal buffer by 1 scanline (up/down)
// width is in pixels, lines is group of 8 rows
// Returns 0 for success, -1 for invalid parameter
//
int scroll_buffer(int iStartCol, int iEndCol, int iStartRow, int iEndRow, bool bUp)
{
return __oledScrollBuffer(&oled, iStartCol, iEndCol, iStartRow, iEndRow, (int) bUp);
}
;
//
// Draw a sprite of any size in any position
// If it goes beyond the left/right or top/bottom edges
// it's trimmed to show the valid parts
// This function requires a back buffer to be defined
// The priority color (0 or 1) determines which color is painted
// when a 1 is encountered in the source image.
// e.g. when 0, the input bitmap acts like a mask to clear
// the destination where bits are set.
//
void draw_sprite(uint8_t *pSprite, int cx, int cy, int iPitch, int x, int y, uint8_t iPriority)
{
__oledDrawSprite(&oled, pSprite, cx, cy, iPitch, x, y, iPriority);
}
;
//
// Draw a 16x16 tile in any of 4 rotated positions
// Assumes input image is laid out like "normal" graphics with
// the MSB on the left and 2 bytes per line
// On AVR, the source image is assumed to be in FLASH memory
// The function can draw the tile on byte boundaries, so the x value
// can be from 0 to 112 and y can be from 0 to 6
//
void draw_tile(const uint8_t *pTile, int x, int y, int iRotation, bool bInvert, bool bRender)
{
__oledDrawTile(&oled, (const uint8_t *) pTile, x, y, iRotation, (int) bInvert, (int) bRender);
}
;
//
// Draw an outline or filled ellipse
//
void draw_ellipse(int iCenterX, int iCenterY, int32_t iRadiusX, int32_t iRadiusY, uint8_t ucColor, bool bFilled)
{
__oledEllipse(&oled, iCenterX, iCenterY, iRadiusX, iRadiusY, ucColor, (uint8_t) bFilled);
}
;
//
// Draw an outline or filled rectangle
//
void draw_rectangle(int x1, int y1, int x2, int y2, uint8_t ucColor, bool bFilled)
{
__oledRectangle(&oled, x1, y1, x2, y2, ucColor, (uint8_t) bFilled);
}
;
};
stripp.hpp
//class, constructor & methods definitions
class picoSSOLED {
private:
[...]
public:
//constructor
picoSSOLED(int iType, int iAddr, bool bFlip, bool bInvert, i2c_inst_t * pUART, int sda, int scl, int32_t iSpeed) {
//methods
int init ();
//
// Provide or revoke a back buffer for your OLED graphics
// This allows you to manage the RAM used by ss_oled on tiny
// embedded platforms like the ATmega series
// Pass NULL to revoke the buffer. Make sure you provide a buffer
// large enough for your display (e.g. 128x64 needs 1K - 1024 bytes)
//
void set_back_buffer(uint8_t * pBuffer);
//
// Sets the brightness (0=off, 255=brightest)
//
void set_contrast(uint ucContrast);
//
// Load a 128x64 1-bpp Windows bitmap
// Pass the pointer to the beginning of the BMP file
// First pass version assumes a full screen bitmap
//
int load_bmp(uint8_t *pBMP, bool bInvert, bool bRender);
//
// Power up/down the display
// useful for low power situations
//
void power(bool bON);
//
// Set the current cursor position
// The column represents the pixel column (0-127)
// The row represents the text row (0-7)
//
void set_cursor(int x, int y);
//
// Turn text wrap on or off for the oldWriteString() function
//
void set_textWrap(bool bWrap);
//
// Draw a string of normal (8x8), small (6x8) or large (16x32) characters
// At the given col+row with the given scroll offset. The scroll offset allows you to
// horizontally scroll text which does not fit on the width of the display. The offset
// represents the pixels to skip when drawing the text. An offset of 0 starts at the beginning
// of the text.
// The system remembers where the last text was written (the cursor position)
// To continue writing from the last position, set the x,y values to -1
// The text can optionally wrap around to the next line by calling oledSetTextWrap(true);
// otherwise text which would go off the right edge will not be drawn and the cursor will
// be left "off screen" until set to a new position explicitly
//
// Returns 0 for success, -1 for invalid parameter
//
int write_string(int iScrollX, int x, int y, char *szMsg, int iSize, bool bInvert, bool bRender);
//
// Fill the frame buffer with a byte pattern
// e.g. all off (0x00) or all on (0xff)
//
void fill(unsigned char ucData, bool bRender);
//
// Set (or clear) an individual pixel
// The local copy of the frame buffer is used to avoid
// reading data from the display controller
// (which isn't possible in most configurations)
// This function needs the USE_BACKBUFFER macro to be defined
// otherwise, new pixels will erase old pixels within the same byte
//
int set_pixel(int x, int y, unsigned char ucColor, bool bRender);
//
// Dump an entire custom buffer to the display
// useful for custom animation effects
//
void dump_buffer(uint8_t *pBuffer);
//
// Render a window of pixels from a provided buffer or the library's internal buffer
// to the display. The row values refer to byte rows, not pixel rows due to the memory
// layout of OLEDs. Pass a src pointer of NULL to use the internal backing buffer
// returns 0 for success, -1 for invalid parameter
//
int draw_GFX(uint8_t *pSrc, int iSrcCol, int iSrcRow, int iDestCol, int iDestRow, int iWidth, int iHeight, int iSrcPitch);
//
// Draw a line between 2 points
//
void draw_line(int x1, int y1, int x2, int y2, bool bRender);
//
// Play a frame of animation data
// The animation data is assumed to be encoded for a full frame of the display
// Given the pointer to the start of the compressed data,
// it returns the pointer to the start of the next frame
// Frame rate control is up to the calling program to manage
// When it finishes the last frame, it will start again from the beginning
//
uint8_t * play_anim_frame(uint8_t *pAnimation, uint8_t *pCurrent, int iLen);
//
// Scroll the internal buffer by 1 scanline (up/down)
// width is in pixels, lines is group of 8 rows
// Returns 0 for success, -1 for invalid parameter
//
int scroll_buffer(int iStartCol, int iEndCol, int iStartRow, int iEndRow, bool bUp);
//
// Draw a sprite of any size in any position
// If it goes beyond the left/right or top/bottom edges
// it's trimmed to show the valid parts
// This function requires a back buffer to be defined
// The priority color (0 or 1) determines which color is painted
// when a 1 is encountered in the source image.
// e.g. when 0, the input bitmap acts like a mask to clear
// the destination where bits are set.
//
void draw_sprite(uint8_t *pSprite, int cx, int cy, int iPitch, int x, int y, uint8_t iPriority);
//
// Draw a 16x16 tile in any of 4 rotated positions
// Assumes input image is laid out like "normal" graphics with
// the MSB on the left and 2 bytes per line
// On AVR, the source image is assumed to be in FLASH memory
// The function can draw the tile on byte boundaries, so the x value
// can be from 0 to 112 and y can be from 0 to 6
//
void draw_tile(const uint8_t *pTile, int x, int y, int iRotation, bool bInvert, bool bRender);
//
// Draw an outline or filled ellipse
//
void draw_ellipse(int iCenterX, int iCenterY, int32_t iRadiusX, int32_t iRadiusY, uint8_t ucColor, bool bFilled);
//
// Draw an outline or filled rectangle
//
void draw_rectangle(int x1, int y1, int x2, int y2, uint8_t ucColor, bool bFilled);
};
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