#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>

#pragma warning(disable:4996)

//ram loader


uint8_t raw_block[180];

uint8_t count;






uint8_t readHex(char c)
{
	char res;

	if (isdigit(c) != 0)
		res = c - 48;	//convert ascii to digit
	else
		res = c - 55;
	return res;

}


int main(int argc, char **argv)
{
	uint8_t ch;
	char file_name[255];
	FILE *fp;

	uint16_t count;
	uint16_t  addr;
	uint8_t  data;
	uint16_t sum;
	uint8_t sum_check;
	int cs;
	int k;

	//printf("Argc: %d\n", argc);

	if (argc == 2)
	{

		strcpy(file_name, argv[1]);



		fp = fopen(file_name, "rb"); // read mode

		if (fp == NULL)
		{
			perror("Error while opening the file.\n");
			exit(EXIT_FAILURE);
		}


		while (!feof(fp))
		{
			uint16_t checksum = 0;

			ch = fgetc(fp);
			//printf("%c", ch);
			//printf("%d",ch);
			//checksum += ch;
			int raw_data;

			if (ch == 0xAA)	//check sync1
			{
				//printf("1");


				ch = fgetc(fp);
				//checksum += ch;

				if (ch == 0xAA)	//check sync2
				{
					//printf("2\n");

					ch = fgetc(fp);
					//checksum += ch;

					if (ch == 0x04)	//check size
					{
						//printf("3\n");
						ch = fgetc(fp);
						checksum += ch;

						if (ch == 0x80)	//check raw type
						{
							//printf("R\n");

							ch = fgetc(fp);
							checksum += ch;

							if (ch == 0x02)	//check 2 bytes size
							{

								//printf("R\n");
								cs = fgetc(fp);
								checksum += (uint8_t)cs;

								raw_data = cs << 8;

								cs = fgetc(fp);
								checksum += (uint8_t)cs;

								raw_data = raw_data | cs;

								checksum &= 0xFF;
								checksum = ~checksum & 0xFF;

								ch = fgetc(fp);
								if (ch==checksum)
									printf("%d\n", raw_data);
								else printf("-10\n");	//crc error
							}

						}


					}

				}




			}//end of sync 1 check
			//else printf("Skip\n");
		}


		fclose(fp);





	}
	//getch();

}