Instructables_HEX_File_to_Array_5.c

DATA.C

bool read_line_from_hex_file(FILE * file, uint8_t line_of_data[], long int * combined_address, int * bytes_this_line)
{
		int data_index = 0;
		uint8_t char_to_put;
		int total_chars_read = 0;

		//To hold file hex values.
		uint8_t byte_count;
		uint8_t datum_address1;
		uint8_t datum_address2;
		uint8_t datum_record_type;
		uint8_t datum_check_sum;

		//BYTE COUNT
		byte_count = read_byte_from_file(file, &char_to_put, &total_chars_read);

		// No need to read, if no data.
		if (byte_count == 0){return false;}

		//ADDRESS1 //Will create an 8 bit shift. --Bdk6's
		datum_address1 = read_byte_from_file(file, &char_to_put, &total_chars_read);

		//ADDRESS2
		datum_address2 = read_byte_from_file(file, &char_to_put, &total_chars_read);

		//RECORD TYPE
		datum_record_type = read_byte_from_file(file, &char_to_put, &total_chars_read);		

		// No need to read, if not data.
		if (datum_record_type != 0){return false;}

		*combined_address = ((uint16_t)datum_address1 << 8) | datum_address2;

		// DATA
		while(data_index < byte_count)
		{
			line_of_data[data_index] = read_byte_from_file(file, &char_to_put, &total_chars_read);
			data_index++;
		}			
		*bytes_this_line = data_index;

		// CHECKSUM
		datum_check_sum = read_byte_from_file(file, &char_to_put, &total_chars_read);

		return true;
}