VAPC-meter/lib/max7219.h

/* MAX7219 Header file
 * ---------------------------
 * For more information see
 * http://www.adnbr.co.uk/articles/max7219-and-7-segment-displays
 * ----------------------------------------------------------------------------
 * "THE BEER-WARE LICENSE" (Revision 42):
 * <shilow@ukr.net> wrote this file.  As long as you retain this notice you
 * can do whatever you want with this stuff. If we meet some day, and you think
 * this stuff is worth it, you can buy me a beer in return.   Shilov V.N.
 * ----------------------------------------------------------------------------
 */

/* Define to prevent recursive inclusion -------------------------------------*/
#pragma once
#ifndef __MAX7219_H
#define __MAX7219_H

/* Includes ------------------------------------------------------------------*/
#include "stm8l15x.h"

/* Exported defines ----------------------------------------------------------*/
// соответсвие бит сегментам
#define SEG_A			1
#define SEG_B			3
#define SEG_C			2
#define SEG_D			5
#define SEG_E			6
#define SEG_F			0
#define SEG_G			7
#define SEG_DP		4

// symbols
// Для BCD
#define MAX7219_CHAR_BLANK	0x0F
#define MAX7219_CHAR_FULL	  0x88
// без кодирования
#define SYM_0		    0x6F
#define SYM_1		    0x0C
#define SYM_2		    0xEA
#define SYM_3		    0xAE
#define SYM_4		    0x8D
#define SYM_5		    0xA7
#define SYM_6		    0xE7
#define SYM_7		    0x0E
#define SYM_8		    0xEF
#define SYM_9		    0xAF
#define SYM_A		    0xCF
#define SYM_b		    0xE5
#define SYM_c		    0xE0
#define SYM_C		    0x63
#define SYM_d		    0xEC
#define SYM_E		    0xE3
#define SYM_F		    0xC3
#define SYM_H		    0xCD
#define SYM_h		    0xC5
#define SYM_P		    0xCB
#define SYM_t		    0xE1
#define SYM_Gradus	0x8B
#define SYM_LGradus	0xE4
#define SYM_Temp	  0xE1
#define SYM_Minus	  0x80
#define SYM_Plus	  0xD1
#define SYM_BLANK	  0x00
#define SYM_FULL	  0xFF
#define SYM_DOT 	  0x10

#define MAX7219_ON			0x01
#define MAX7219_OFF			0x00
#define MAX7219_BRIGHT	0x08

// used LED digits - 1
#define MAX7219_DIGITS  7

/* Exported types ------------------------------------------------------------*/
typedef enum _max7219_reg {
  RegNoOp        = 0x00,
  RegDigit0      = 0x03,
  RegDigit1      = 0x08,
  RegDigit2      = 0x02,
  RegDigit3      = 0x01,
  RegDigit4      = 0x07,
  RegDigit5      = 0x04,
  RegDigit6      = 0x06,
  RegDigit7      = 0x05,
  RegDecodeMode  = 0x09,
  RegIntensity   = 0x0A,
  RegScanLimit   = 0x0B,
  RegPower       = 0x0C,
  RegTest        = 0x0F
} max7219_reg_t;

typedef enum _max7219_seg {
  SegA    = SEG_A,
  SegB    = SEG_B,
  SegC    = SEG_C,
  SegD    = SEG_D,
  SegE    = SEG_E,
  SegF    = SEG_F,
  SegG    = SEG_G,
  SegDP   = SEG_DP,
} max7219_seg_t;

typedef enum _max7219_sym {
  Sym_0        = SYM_0,
  Sym_1        = SYM_1,
  Sym_2        = SYM_2,
  Sym_3        = SYM_3,
  Sym_4        = SYM_4,
  Sym_5        = SYM_5,
  Sym_6        = SYM_6,
  Sym_7        = SYM_7,
  Sym_8        = SYM_8,
  Sym_9        = SYM_9,
  Sym_A        = SYM_A,
  Sym_b        = SYM_b,
  Sym_c        = SYM_c,
  Sym_C        = SYM_C,
  Sym_d        = SYM_d,
  Sym_E        = SYM_E,
  Sym_h        = SYM_h,
  Sym_H        = SYM_H,
  Sym_F        = SYM_F,
  Sym_P        = SYM_P,
  Sym_t        = SYM_t,
  Sym_Gradus	 = SYM_Gradus,
  Sym_LGradus	 = SYM_LGradus,
  Sym_Temp	   = SYM_Temp,
  Sym_Minus	   = SYM_Minus,
  Sym_Plus	   = SYM_P,
  Sym_BLANK	   = SYM_BLANK,
  Sym_FULL	   = SYM_FULL,
  Sym_Dot      = SYM_DOT
} max7219_sym_t;

/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported variables --------------------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
void MAX7219_Config(void);
void MAX7219_WriteData(max7219_reg_t reg, uint8_t data);

#endif /* __MAX7219_H */