C/C++教程
BIN2HEX文件转换C语言解析
本文主要是介绍BIN2HEX文件转换C语言解析，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！
1 #ifndef _bin2hex_C_
2 #define _bin2hex_C_
3
4 #include "stdio.h"
5 #include "string.h"
6
7 #define BIN_DATA_LEN 24
8 #define HEX_STR_LEN 64
9
10 static unsigned int start = 0;
11 static unsigned int length = 0xFFFFFFFF;
12 static unsigned int begin = 0;
13 static unsigned int offset = 0;
14 static char file_name[64];
15 static FILE* in_file = (FILE*)0;
16 static FILE* out_file = (FILE*)0;
17
18 static unsigned char checkSum(unsigned int count,unsigned char* p)
19 {
20 unsigned char sum=0;
21 unsigned int i;
22
23 for(i=count;i>0;i--)
24 {
25 sum += *p++;
26 }
27 sum = ~sum;
28 sum++;
29 return sum;
30 }
31
32 static unsigned int encode(unsigned int count, unsigned char* in, unsigned char* out)
33 {
34 const unsigned char intChar[16] = "0123456789ABCDEF";
35
36 unsigned int i;
37 unsigned char c;
38
39 *out++ = ':';
40 for(i=count;i>0;i--)
41 {
42 c = *in++;
43 *out++ = intChar[c>>4];
44 *out++ = intChar[c&0xF];
45 }
46 *out++ = '\r';
47 *out++ = '\n';
48
49 return (1+(count<<1)+2);
50 }
51
52 static void writeExtendedLinearAddress(void)
53 {
54 unsigned int count,k = 0;
55 unsigned char bin_data[BIN_DATA_LEN];
56 unsigned char hex_str[BIN_DATA_LEN];
57
58 bin_data[k++] = 0x02;
59 bin_data[k++] = 0x00;
60 bin_data[k++] = 0x00;
61 bin_data[k++] = 0x04;
62 bin_data[k++] = (unsigned char)((begin>>24)&0xFF);
63 bin_data[k++] = (unsigned char)((begin>>16)&0xFF);
64 bin_data[k++] = checkSum(k,bin_data);
65 count = encode(k,bin_data,hex_str);
66 fwrite(hex_str,1,count,out_file);
67 }
68
69 static void writeEndOfFile(void)
70 {
71 unsigned int count,k = 0;
72 unsigned char bin_data[BIN_DATA_LEN];
73 unsigned char hex_str[BIN_DATA_LEN];
74
75 bin_data[k++] = 0x00;
76 bin_data[k++] = 0x00;
77 bin_data[k++] = 0x00;
78 bin_data[k++] = 0x01;
79 bin_data[k++] = checkSum(k,bin_data);
80 count = encode(k,bin_data,hex_str);
81 fwrite(hex_str,1,count,out_file);
82 }
83
84 static void writeDataRecord(unsigned int len,unsigned char* p)
85 {
86 #define IGNOR_DATA 0xFF
87 unsigned int count,k = 0;
88 unsigned char bin_data[BIN_DATA_LEN];
89 unsigned char hex_str[BIN_DATA_LEN];
90
91 for(count=0;count<len;count++)
92 {
93 if(IGNOR_DATA!=*(p+count))
94 {
95 break;
96 }
97 }
98 if(count>=len)
99 {
100 return;
101 }
102
103 bin_data[k++] = len;
104 bin_data[k++] = (unsigned char)((offset>>8)&0xFF);
105 bin_data[k++] = (unsigned char)(offset&0xFF);
106 bin_data[k++] = 0x00;
107 for(count=len;count>0;count--)
108 {
109 bin_data[k++] = *p++;
110 }
111 bin_data[k++] = checkSum(k,bin_data);
112 count = encode(k,bin_data,hex_str);
113 fwrite(hex_str,1,count,out_file);
114 }
115
116 static void writeData(unsigned int count,unsigned char* p)
117 {
118 unsigned int len;
119 if(count)
120 {
121 if((offset+count)<0x10000)
122 {
123 writeDataRecord(count,p);
124 offset += count;
125 }
126 else if((offset+count)==0x10000)
127 {
128 writeDataRecord(count,p);
129 begin += 0x10000;
130 writeExtendedLinearAddress();
131 offset = 0;
132 }
133 else
134 {
135 len = (0x10000-offset);
136 writeDataRecord(len,p);
137 begin += 0x10000;
138 writeExtendedLinearAddress();
139 offset = 0;
140 writeDataRecord(count-len,p+len);
141 offset = count-len;
142 }
143 }
144 }
145
146 static void bin2Hex(void)
147 {
148 size_t readCount = 0;
149 unsigned int count = 0;
150 unsigned char data[16];
151
152 writeExtendedLinearAddress();
153 if(fseek(in_file,start,0)>=0)
154 {
155 while(!feof(in_file) && !ferror(in_file))
156 {
157 readCount = fread(data,1,16,in_file);
158 if((count+readCount)>=length)
159 {
160 readCount = length - count;
161 writeData(readCount,data);
162 readCount = 0;
163 count = length;
164 break;
165 }
166 writeData(readCount,data);
167 count += readCount;
168 }
169 }
170 writeEndOfFile();
171 }
172
173 static int text2Data(char* str,unsigned int* data)
174 {
175 unsigned int i,len,temp;
176 char c;
177
178 len = strlen(str);
179 if(len>8 || len<=0)
180 {
181 return -1;
182 }
183 temp = 0;
184 for(i=len;i>0;i--)
185 {
186 temp <<= 4;
187 c = *str++;
188 if(c>='0' && c<='9')
189 {
190 temp += c-'0';
191 }
192 else if(c>='a' && c<='f')
193 {
194 temp += c-'a'+10;
195 }
196 else if(c>='A' && c<='F')
197 {
198 temp += c-'A'+10;
199 }
200 else
201 {
202 return -1;
203 }
204 }
205
206 *data = temp;
207 return 0;
208 }
209
210 static int parseParameter(char* str)
211 {
212 unsigned int data;
213
214 if(str[0]=='-' && str[1]=='s')
215 {
216 if(text2Data(str+2,&data)<0)
217 {
218 return -1;
219 }
220 start = data;
221 }
222 else if(str[0]=='-' && str[1]=='l')
223 {
224 if(text2Data(str+2,&data)<0)
225 {
226 return -1;
227 }
228 length = data;
229 }
230 else if(str[0]=='-' && str[1]=='b')
231 {
232 if(text2Data(str+2,&data)<0)
233 {
234 return -1;
235 }
236 begin = data & 0xFFFF0000;
237 offset = data & 0xFFFF;
238 }
239 else
240 {
241 return -1;
242 }
243 return 0;
244 }
245
246 static int getParameter(int argc, char* argv[])
247 {
248 unsigned int len;
249 int i;
250
251 len = strlen(argv[1]);
252 if(len<=4 || len>=(sizeof(file_name)))
253 {
254 return -1;
255 }
256 else
257 {
258 memcpy(file_name,argv[1],len);
259 if(file_name[len-4]!='.'
260 ||((file_name[len-3]!='b')&&(file_name[len-3]!='B'))
261 ||((file_name[len-2]!='i')&&(file_name[len-3]!='I'))
262 ||((file_name[len-1]!='n')&&(file_name[len-3]!='N')))
263 {
264 return -1;
265 }
266 }
267
268 for(i=2;i<argc;i++)
269 {
270 if(parseParameter(argv[i])<0)
271 {
272 return -1;
273 }
274 }
275
276 return 0;
277 }
278
279 int main(int argc, char** argv)
280 {
281 unsigned int len;
282
283 if(argc<=1 || argc>5 || getParameter(argc,argv)<0)
284 {
285 goto parameter_error;
286 }
287
288 if((in_file= fopen(file_name,"rb"))==NULL)
289 {
290 goto parameter_error;
291 }
292 len = strlen(file_name);
293 file_name[len-3] = 'h';
294 file_name[len-2] = 'e';
295 file_name[len-1] = 'x';
296 if((out_file= fopen(file_name,"w"))==NULL)
297 {
298 goto parameter_error;
299 }
300 bin2Hex();
301 fclose(in_file);
302 fclose(out_file);
303 return 0;
304
305 parameter_error:
306 if(in_file)
307 {
308 fclose(in_file);
309 }
310 if(out_file)
311 {
312 fclose(out_file);
313 }
314 printf("wrong parameters or bin file not existed..\r\n");
315 return -1;
316 }
317
318 #undef _bin2hex_C_
319 #endif //_bin2hex_C_
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