static int ihex_parse_single_record(ihex_rdata_t data, unsigned int length, ihex_record_t* record) { uint_t i; // Records needs to begin with record mark (usually ":") if (*(data) != IHEX_CHR_RECORDMARK) { IHEX_SET_ERROR_RETURN(IHEX_ERR_PARSE_ERROR, "Missing record mark"); } // Record layout: // 1 2 3 4 // 0 12 3456 78 90123456789012345678901234567890 12 // : 10 0100 00 214601360121470136007EFE09D21901 40 record->ihr_length = (ihex_rlen_t) length; record->ihr_address = (ihex_addr_t) ihex_fromhex16(data + 3); record->ihr_type = (ihex_rtype_t) ihex_fromhex8 (data + 7); record->ihr_checksum = (ihex_rchks_t) ihex_fromhex8 (data + 9 + record->ihr_length * 2); if ((record->ihr_data = (ihex_rdata_t) malloc(record->ihr_length)) == NULL) { IHEX_SET_ERROR_RETURN(IHEX_ERR_MALLOC_FAILED, "Could not allocate memory"); } // Records needs to end with CRLF or LF. if ( ( data[11 + record->ihr_length * 2] != 0x0D || data[12 + record->ihr_length * 2] != 0x0A) && (data[11 + record->ihr_length * 2] != 0x0A)) { free(record->ihr_data); IHEX_SET_ERROR_RETURN(IHEX_ERR_WRONG_RECORD_LENGTH, "Incorrect record length"); } for (i = 0; i < record->ihr_length; i ++) { if (data[9 + i*2] == 0x0A || data[9 + i*2] == 0x0D) { free(record->ihr_data); IHEX_SET_ERROR_RETURN(IHEX_ERR_WRONG_RECORD_LENGTH, "Unexpected end of line"); } record->ihr_data[i] = ihex_fromhex8(data + 9 + i*2); } if (ihex_check_record(record) != 0) { free(record->ihr_data); IHEX_SET_ERROR_RETURN(IHEX_ERR_INCORRECT_CHECKSUM, "Checksum validation failed"); } return 0; }
void test_can_parse_address_1(void) { CU_ASSERT_EQUAL(ihex_fromhex16((uint8_t*) "1000"), 0x1000); }