给stm32cubeide编译出来的bin文件追加crc32-海口c网

给stm32cubeide编译出来的bin文件追加crc32

article/2025/7/12 19:36:58

在工程目录下创建ci目录，将AddCrc32.exe丢进去，在stm32cubeide的properties----C/C++ Build----Settings----Build Steps----Post-build steps Command:添加AddCrc32.exe的路径:

source code如下：

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <direct.h>
#include <io.h>#define MAX_PATH    256
#define POLYNOMIAL  0xEDB88320#define LOOK_UP_TABLE       1#if (LOOK_UP_TABLE == 1)
const unsigned long crc32_table[] = {0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D,
};unsigned long calculate_crc32(const unsigned char* data, size_t length) 
{unsigned long crc = 0xFFFFFFFF;unsigned char index = 0;for (size_t i = 0; i < length; i++) {index = (crc ^ data[i]) & 0xFF;crc = (crc >> 8) ^ crc32_table[index];}return crc ^ 0xFFFFFFFF;
}#else
// CRC32 表生成函数
void generate_crc32_table(unsigned int* crc_table) {unsigned long polynomial = 0xEDB88320;unsigned long crc = 0;unsigned long i = 0;unsigned long j = 0;for (i = 0; i < 256; i++) {crc = i;for (j = 8; j > 0; j--) {if (crc & 1) {crc = (crc >> 1) ^ polynomial;} else {crc >>= 1;}}crc_table[i] = crc;}
}// 计算数据的 CRC32 值
unsigned long calculate_crc32(const unsigned char* data, size_t length)
{static unsigned long crc_table[256] = { 0 };unsigned long crc = 0xFFFFFFFF;unsigned char index = 0;size_t i = 0;if (crc_table[0] == 0) {generate_crc32_table(crc_table);}for (i = 0; i < length; i++) {index = (crc ^ data[i]) & 0xFF;crc = (crc >> 8) ^ crc_table[index];}return crc ^ 0xFFFFFFFF;
}
#endifbool rename_bin_file(char* src, char* dest)
{unsigned short i = 0;char append_string[] = "_AddCrc32.bin";bool is_append_valid = false;for (i = 0; i < MAX_PATH; i++) {if (src[i + 0] == '.' && src[i + 1] == 'b' && src[i + 2] == 'i' && src[i + 3] == 'n') {strncpy_s(dest, MAX_PATH, src, i);dest[i] = '\0';strcat_s(dest, MAX_PATH, "_AddCrc32.bin");is_append_valid = true;break;}}return is_append_valid;
}int main() {char current_path[MAX_PATH] = { 0 };char target_path[MAX_PATH] = { 0 };char dest_path[MAX_PATH] = { 0 };struct _finddata_t file_info = { 0 };intptr_t handle = 0;bool is_append_valid = false;FILE* input_file = NULL;FILE* output_file = NULL;unsigned char* buffer = NULL;size_t file_size = 0;unsigned long crc32 = 0;char dest_file_name[32] = { 0 };// 写入 CRC32 (4字节，小端格式)unsigned char crc_bytes[4] = { 0 };// 获取当前目录if (_getcwd(current_path, sizeof(current_path)) == NULL) {perror("Failed to retrieve the current directory!\n");return 1;}printf("current directory: %s\n", current_path);// 构建目标目录路径：跳到上一级，再进入Debug目录strcpy_s(target_path, MAX_PATH, current_path);char* last_slash = strrchr(target_path, '\\');if (last_slash != NULL) {*last_slash = '\0';  // 截断到上一级目录strcat_s(target_path, MAX_PATH, "\\Debug");} else {printf("Unable to determine the previous directory!\n");return 1;}printf("the previous directory: %s\n", target_path);// 检查目标目录是否存在if (_chdir(target_path) != 0) {printf("destination directory does not exist: %s\n", target_path);return 1;}// 查找.bin文件if ((handle = _findfirst("*.bin", &file_info)) == -1L) {printf("In the diretory %s, could not find .bin file\n", target_path);return 1;}// 打印找到的第一个.bin文件路径strcat_s(target_path, MAX_PATH, "\\");strcat_s(target_path, MAX_PATH, file_info.name);printf("found .bin file: %s\n", target_path);printf("file name: %s\n", file_info.name);_findclose(handle);is_append_valid = rename_bin_file(target_path, dest_path);if (is_append_valid) {printf("target file path: %s\n", dest_path);}fopen_s(&input_file, target_path, "rb");if (input_file == NULL) {perror("Unable to open input file\n");//system("pause");return 1;}fseek(input_file, 0, SEEK_END);file_size = ftell(input_file);fseek(input_file, 0, SEEK_SET);buffer = (unsigned char*)malloc(file_size);if (buffer == NULL) {perror("memory allocation failed!\n");fclose(input_file);//system("pause");return 1;}if (fread(buffer, 1, file_size, input_file) != file_size) {perror("fail to read file\n");free(buffer);fclose(input_file);//system("pause");return 1;}fclose(input_file);// 计算 CRC32crc32 = calculate_crc32(buffer, file_size);printf("Original file CRC32: 0x%08X\n", crc32);crc_bytes[0] = (unsigned char)(crc32 & 0xFF);crc_bytes[1] = (unsigned char)((crc32 >> 8) & 0xFF);crc_bytes[2] = (unsigned char)((crc32 >> 16) & 0xFF);crc_bytes[3] = (unsigned char)((crc32 >> 24) & 0xFF);// 打开输出文件fopen_s(&output_file, dest_path, "wb");if (output_file == NULL) {perror("Unable to open output file\n");free(buffer);//system("pause");return 1;}// 写入原始数据if (fwrite(buffer, 1, file_size, output_file) != file_size) {perror("fail to write to file\n");free(buffer);fclose(output_file);//system("pause");return 1;}if (fwrite(crc_bytes, 1, 4, output_file) != 4) {perror("Writing CRC32 failed!\n");free(buffer);fclose(output_file);//system("pause");return 1;}// 关闭文件并释放内存fclose(output_file);free(buffer);rename_bin_file(file_info.name, dest_file_name);printf("Processing completed, saved to %s\n", dest_file_name);//system("pause");return 0;
}