#if !defined(_PDSP188x_H_)
#  define _PDSP188x_H_

#  include <avr/io.h>
#  include <stdlib.h>
#  include <util/delay.h>

#  ifdef __AVR__

#    include "config_avr.h"

#  else

#    define WR (1 << 0)
#    define FL (1 << 1)
#    define LATCH (1 << 2)
#    define RST (1 << 3)
#    define DATA (1 << 4)
#    define CLK (1 << 5)

#    define A0 (1 << 0)
#    define A1 (1 << 1)
#    define A2 (1 << 2)
#    define A3 (1 << 3)
#    define A4 (1 << 4)

#  endif

#  define PDSP188x_DATA_LINE_MASK 0x01
#  define PDSP188x_ADDR_LINE_MASK 0x02

typedef struct {
  void (*init)(void);
  void (*reset)(void);
  void (*send_byte)(uint8_t byte);
  void (*write_char)(char c, uint8_t pos);
  void (*set_pins)(uint8_t set_mask, uint8_t pin, uint8_t state);
} PDSP188x_DriverInterface_t;

#  define PDSP188x_BRIGHTNESS_LEVEL_100 0x00
#  define PDSP188x_BRIGHTNESS_LEVEL_80 0x01
#  define PDSP188x_BRIGHTNESS_LEVEL_53 0x02
#  define PDSP188x_BRIGHTNESS_LEVEL_40 0x03
#  define PDSP188x_BRIGHTNESS_LEVEL_27 0x04
#  define PDSP188x_BRIGHTNESS_LEVEL_20 0x05
#  define PDSP188x_BRIGHTNESS_LEVEL_13 0x06
#  define PDSP188x_BRIGHTNESS_LEVEL_0 0x07

void PDSP188x_Init(const PDSP188x_DriverInterface_t *driver);
void PDSP188x_SendChar(char c, uint8_t digit);
void PDSP188x_SendStr(char *str);
void PDSP188x_SendInt16(int16_t n);
void PDSP188x_SetBrightness(uint8_t level);
void PDSP188x_BlinkEn(uint8_t control);
void PDSP188x_Clear(void);

#endif