Tooltron

#ifndef __CARDREADER_H__

#define __CARDREADER_H__

#include <avr/io.h>

#include <avr/interrupt.h>

#include <stdint.h>

#include "main.h"

#include "rs485_int.h"

#define CR_ERR_BAD_PARITY   -1

#define CR_ERR_NO_START     -2

#define CR_ERR_NO_STOP      -3

typedef enum {

    CR_NONE,

    CR_GOOD,

    CR_BAD

} cr_flag_t;

extern volatile cr_flag_t cr_flag;

extern volatile uint8_t read_card;

extern volatile uint8_t cr_buf[512];

extern volatile uint16_t cr_buf_idx;

void card_reader_setup(void);

int8_t  parse_card(uint8_t *buf, uint8_t *buflen);

#endif