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			5
#define SEG_B			3
#define SEG_C			4
#define SEG_D			1
#define SEG_E			0
#define SEG_F			6
#define SEG_G			7
#define SEG_DP			2

// symbols
// Для BCD
#define MAX7219_CHAR_BLANK	0x0F
#define MAX7219_CHAR_FULL	0x88
// без кодирования
#define SYM_0		0x7B
#define SYM_1		0x18
#define SYM_2		0xAB
#define SYM_3		0xBA
#define SYM_4		0xD8
#define SYM_5		0xF2
#define SYM_6		0xF3
#define SYM_7		0x38
#define SYM_8		0xFB
#define SYM_9		0xFA
#define SYM_A		0xF9
#define SYM_b		0xD3
#define SYM_c		0x83
#define SYM_C		0x63
#define SYM_d		0x9B
#define SYM_E		0xE3
#define SYM_F		0xE1
#define SYM_P		0xE9
#define SYM_Gradus	0xE8
#define SYM_LGradus	0x93
#define SYM_Temp	0xC3
#define SYM_Minus	0x80
#define SYM_BLANK	0x00
#define SYM_FULL	0xFF

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

// used LED digits - 1
#define MAX7219_DIGITS  7

/* Exported types ------------------------------------------------------------*/
typedef enum {
    Digit0      = 0x07,
    Digit1      = 0x06,
    Digit2      = 0x04,
    Digit3      = 0x01,
    Digit4      = 0x03,
    Digit5      = 0x02,
    Digit6      = 0x00,
    Digit7      = 0x05,
    DecodeMode  = 0x09,
    Intensity   = 0x0A,
    ScanLimit   = 0x0B,
    Power       = 0x0C,
    Test        = 0x0F
} max7219_reg_t;

typedef enum {
    SegA    = 5,
    SegB    = 3,
    SegC    = 4,
    SegD    = 1,
    SegE    = 0,
    SegF    = 6,
    SegG    = 7,
    SegDP   = 2,
} max7219_seg_t;

typedef enum {
    Sym_0        = 0x7B,
    Sym_1        = 0x18,
    Sym_2        = 0xAB,
    Sym_3        = 0xBA,
    Sym_4        = 0xD8,
    Sym_5        = 0xF2,
    Sym_6        = 0xF3,
    Sym_7        = 0x38,
    Sym_8        = 0xFB,
    Sym_9        = 0xFA,
    Sym_A        = 0xF9,
    Sym_b        = 0xD3,
    Sym_c        = 0x83,
    Sym_C        = 0x63,
    Sym_d        = 0x9B,
    Sym_E        = 0xE3,
    Sym_F        = 0xE1,
    Sym_P        = 0xE9,
    Sym_Gradus	 = 0xE8,
    Sym_LGradus	 = 0x93,
    Sym_Temp	 = 0xC3,
    Sym_Minus	 = 0x80,
    Sym_Plus	 = 0x98, // C1 ?
    Sym_BLANK	 = 0x00,
    Sym_FULL	 = 0xFF
} max7219_sym_t;

/* Exported constants --------------------------------------------------------*/
/* Exported macro ------------------------------------------------------------*/
/* Exported variables --------------------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
void MAX7219_Init(void);
void MAX7219_WriteData(max7219_reg_t reg, uint8_t data);

#endif /* __MAX7219_H */