MAX7219.h

/*
 * MAX7219.h
*/

#ifndef MAX7219_H_
#define MAX7219_H_

#include "main.h"
#include "stdbool.h"

#define NUMBER_OF_DIGITS  8
#define SPI_PORT      hspi1

extern SPI_HandleTypeDef  SPI_PORT;

typedef enum {
  REG_NO_OP       = 0x00,
  REG_DIGIT_0     = 0x01,
  REG_DIGIT_1     = 0x02,
  REG_DIGIT_2     = 0x03,
  REG_DIGIT_3     = 0x04,
  REG_DIGIT_4     = 0x05,
  REG_DIGIT_5     = 0x06,
  REG_DIGIT_6     = 0x07,
  REG_DIGIT_7     = 0x08,
  REG_DECODE_MODE   = 0x09,
  REG_INTENSITY     = 0x0A,
  REG_SCAN_LIMIT    = 0x0B,
  REG_SHUTDOWN    = 0x0C,
  REG_DISPLAY_TEST  = 0x0F,
} MAX7219_REGISTERS;

typedef enum {
  DIGIT_1 = 1, DIGIT_2 = 2, DIGIT_3 = 3, DIGIT_4 = 4,
  DIGIT_5 = 5, DIGIT_6 = 6, DIGIT_7 = 7, DIGIT_8 = 8
} MAX7219_Digits;

typedef enum {
  NUM_0   = 0x00,
  NUM_1   = 0x01,
  NUM_2   = 0x02,
  NUM_3   = 0x03,
  NUM_4   = 0x04,
  NUM_5   = 0x05,
  NUM_6   = 0x06,
  NUM_7   = 0x07,
  NUM_8   = 0x08,
  NUM_9   = 0x09,
  MINUS   = 0x0A,
  BLANK   = 0x0F
}MAX7219_Numeric;

void max7219_Init_16SEG(uint8_t intensivity);
void max7219_SetIntensivity(uint8_t intensivity);
void max7219_Clean(void);
void max7219_SendData(uint8_t addr, uint8_t data);
void max7219_Turn_On(void);
void max7219_Turn_Off(void);
void max7219_Decode_On(void);
void max7219_Decode_Off(void);
void max7219_PrintDigit(MAX7219_Digits position, MAX7219_Numeric numeric, bool point);
MAX7219_Digits max7219_PrintItos(MAX7219_Digits position, int value);
MAX7219_Digits max7219_PrintNtos(MAX7219_Digits position, uint32_t value, uint8_t n);
MAX7219_Digits max7219_PrintFtos(MAX7219_Digits position, float value, uint8_t n);

#endif /* MAX7219_H_ *