td

#define CR 0x0D;
#define LF 0x0A;

AT_DATA data;

typedef enum
{
	STATE_MACHINE_NOT_READY,
	STATE_MACHINE_READY_OK,
	STATE_MACHINE_READY_WITH_ERROR
}STATE_MACHINE_RETURN_VALUE;

STATE_MACHINE_RETURN_VALUE at_command_parse(uint8_t current_character);

uint8_t parse(uint8_t ch){

	static uint8_ state = 0;
	static uint32_t line_index;
	static uint32_t str_index;

	switch (state){

		case 0:
		{
			if (ch == CR)
			{
				state = 1;
			}break;
		}

		case 1:
		{
			 if (ch == LF)
			 {
				 state = 2;
			 else
				{
					 return STATE_MACHINE_READY_WITH_ERROR;
				}
			 }
		}break;

		case 2:
		{
			if
		}
	}


}