Update hex2hcd.c
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ZTG LXC
GitHub
parent
817e2a7f29
commit
b617769511
1 changed files with 81 additions and 82 deletions
163
hex2hcd.c
163
hex2hcd.c
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@ -26,43 +26,43 @@
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static unsigned int asc_to_int(char a)
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{
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return a >= 'A' ? (a - 'A') + 10 : a - '0';
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return a >= 'A' ? (a - 'A') + 10 : a - '0';
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}
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static unsigned int hex_to_int(const char *h)
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{
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return asc_to_int(*h) * 0x10 + asc_to_int(*(h + 1));
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return asc_to_int(*h) * 0x10 + asc_to_int(*(h + 1));
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}
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static unsigned int lhex_to_int(const char *h)
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{
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return hex_to_int(h) * 0x100 + hex_to_int(h + 2);
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return hex_to_int(h) * 0x100 + hex_to_int(h + 2);
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}
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static int check_sum(const char *str, int len)
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{
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unsigned int sum, cal;
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int i;
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sum = hex_to_int(str + len - 2);
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for (cal = 0, i = 1; i < len - 2; i += 2)
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cal += hex_to_int(str + i);
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cal = 0x100 - cal & 0xFF;
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return sum == cal;
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unsigned int sum, cal;
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int i;
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sum = hex_to_int(str + len - 2);
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for (cal = 0, i = 1; i < len - 2; i += 2)
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cal += hex_to_int(str + i);
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cal = 0x100 - cal & 0xFF;
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return sum == cal;
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}
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static int check_hex_line(const char *str, int len)
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{
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if ((str[0] != ':') || (len < 11) || !check_sum(str, len) ||
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(hex_to_int(str + 1) * 2 + 11 != len))
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return 0;
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return 1;
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if ((str[0] != ':') || (len < 11) || !check_sum(str, len) ||
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(hex_to_int(str + 1) * 2 + 11 != len))
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return 0;
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return 1;
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}
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static FILE *open_file(const char *fileName, const char *mode)
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{
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FILE *f = fopen(fileName, mode);
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if (f == NULL) {
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printf("The file '%s' could not be opened with the following reason\n", fileName);
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FILE *f = fopen(fileName, mode);
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if (f == NULL) {
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printf("The file '%s' could not be opened with the following reason\n", fileName);
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printf("%s\n", strerror(errno));
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exit(-EIO);
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}
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@ -71,78 +71,77 @@ static FILE *open_file(const char *fileName, const char *mode)
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int main(int argc, char *argv[])
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{
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unsigned int addr = 0;
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char *ifn, *ofn;
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FILE *ifp, *ofp;
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char *rbuf;
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ssize_t len, i;
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size_t buflen;
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unsigned int addr = 0;
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char *ifn, *ofn;
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FILE *ifp, *ofp;
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char *rbuf;
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ssize_t len, i;
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size_t buflen;
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switch (argc) {
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case 2:
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ifn = ofn = argv[1];
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break;
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case 3:
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ifn = argv[1];
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ofn = argv[2];
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break;
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default:
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printf("Usage: %s <input hex file> [<output file>]\n", argv[0]);
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return 0;
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}
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switch (argc) {
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case 2:
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ifn = ofn = argv[1];
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break;
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case 3:
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ifn = argv[1];
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ofn = argv[2];
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break;
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default:
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printf("Usage: %s <input hex file> [<output file>]\n", argv[0]);
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return 0;
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}
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ifp = open_file(ifn, "r");
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ofp = open_file(ofn, "w");
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ifp = open_file(ifn, "r");
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ofp = open_file(ofn, "w");
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rbuf = NULL;
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while ((len = getline(&rbuf, &buflen, ifp)) > 0) {
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int type;
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char obuf[7];
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unsigned int dest_addr;
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while ((rbuf[len - 1] == '\r') || (rbuf[len - 1] == '\n'))
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len--;
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printf("%d, %s\n", (int)len, rbuf);
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if (!check_hex_line(rbuf, len))
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break;
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type = hex_to_int(rbuf + 7);
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switch (type) {
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case 4:
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addr = lhex_to_int(rbuf + 9) * 0x10000;
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printf("Bump addr to 0x%08X\n", addr);
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break;
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case 0:
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dest_addr = addr + lhex_to_int(rbuf + 3);
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obuf[0] = 0x4c;
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obuf[1] = 0xfc;
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obuf[2] = hex_to_int(rbuf + 1) + 4;
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obuf[3] = dest_addr;
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obuf[4] = dest_addr >> 8;
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obuf[5] = dest_addr >> 16;
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obuf[6] = dest_addr >> 24;
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if (fwrite(obuf, 7, 1, ofp) != 1)
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goto output_err;
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for (i = 0; i < hex_to_int(rbuf + 1); i++) {
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obuf[0] = hex_to_int(rbuf + 9 + i * 2);
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if (fwrite(obuf, 1, 1, ofp) != 1) goto output_err;
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}
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break;
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case 1:
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if (fwrite("\x4e\xfc\x04\xff\xff\xff\xff", 7, 1, ofp) != 1) goto output_err;
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goto end;
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default:
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return -EINVAL;
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}
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}
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rbuf = NULL;
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while ((len = getline(&rbuf, &buflen, ifp)) > 0) {
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int type;
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char obuf[7];
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unsigned int dest_addr;
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while ((rbuf[len - 1] == '\r') || (rbuf[len - 1] == '\n')) len--;
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printf("%d, %s\n", (int)len, rbuf);
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if (!check_hex_line(rbuf, len))
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break;
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type = hex_to_int(rbuf + 7);
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switch (type) {
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case 4:
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addr = lhex_to_int(rbuf + 9) * 0x10000;
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printf("Bump addr to 0x%08X\n", addr);
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break;
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case 0:
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dest_addr = addr + lhex_to_int(rbuf + 3);
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obuf[0] = 0x4c;
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obuf[1] = 0xfc;
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obuf[2] = hex_to_int(rbuf + 1) + 4;
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obuf[3] = dest_addr;
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obuf[4] = dest_addr >> 8;
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obuf[5] = dest_addr >> 16;
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obuf[6] = dest_addr >> 24;
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if (fwrite(obuf, 7, 1, ofp) != 1)
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goto output_err;
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for (i = 0; i < hex_to_int(rbuf + 1); i++) {
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obuf[0] = hex_to_int(rbuf + 9 + i * 2);
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if (fwrite(obuf, 1, 1, ofp) != 1) goto output_err;
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}
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break;
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case 1:
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if (fwrite("\x4e\xfc\x04\xff\xff\xff\xff", 7, 1, ofp) != 1) goto output_err;
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goto end;
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default:
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return -EINVAL;
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}
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}
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puts("Hex file formatting error");
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return -EINVAL;
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puts("Hex file formatting error");
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return -EINVAL;
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output_err:
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puts("Error on writing output file");
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return -EIO;
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puts("Error on writing output file");
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return -EIO;
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end:
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return 0;
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return 0;
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}
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