File content as of revision 0:9db958ee524a:

#ifndef __STM32L476G_DISCOVERY_GLASS_LCD_H
#define __STM32L476G_DISCOVERY_GLASS_LCD_H

#include "stm32l0xx_hal.h"

#ifdef __cplusplus
extern "C" {
#endif

typedef enum{
  LCD_DIGIT_POSITION_1 = 0,
  LCD_DIGIT_POSITION_2 = 1,
  LCD_DIGIT_POSITION_3 = 2,
  LCD_DIGIT_POSITION_4 = 3,
  LCD_DIGIT_MAX_NUMBER = 4,
}DigitPosition_Typedef;

/**
  * @brief LCD Glass Double point
  * Warning: element values correspond to LCD Glass Double point.
  */
typedef enum{
  DOUBLEPOINT_OFF = 0,
  DOUBLEPOINT_ON = 1
} DoublePoint_Typedef;

#define COM_PER_DIGIT_NB          2/*!< Specifies number of COM to address a digit */
#define SEG_PER_DIGIT_NB          2/*!< Specifies number of SEG to address a digit */

#define LCD_MAP_CHAR_COM0_SEG_1ST_POS   (1 << LCD_MAP_CHAR_COM0_SEG_1ST_SHIFT)
#define LCD_MAP_CHAR_COM0_SEG_2ND_POS   (1 << LCD_MAP_CHAR_COM0_SEG_2ND_SHIFT)
#define LCD_MAP_CHAR_COM0_SEG_3RD_POS   (1 << LCD_MAP_CHAR_COM0_SEG_3RD_SHIFT)
#define LCD_MAP_CHAR_COM0_SEG_4TH_POS   (1 << LCD_MAP_CHAR_COM0_SEG_4TH_SHIFT)
#define LCD_MAP_CHAR_COM1_SEG_1ST_POS   (1 << LCD_MAP_CHAR_COM1_SEG_1ST_SHIFT)
#define LCD_MAP_CHAR_COM1_SEG_2ND_POS   (1 << LCD_MAP_CHAR_COM1_SEG_2ND_SHIFT)
#define LCD_MAP_CHAR_COM1_SEG_3RD_POS   (1 << LCD_MAP_CHAR_COM1_SEG_3RD_SHIFT)
#define LCD_MAP_CHAR_COM1_SEG_4TH_POS   (1 << LCD_MAP_CHAR_COM1_SEG_4TH_SHIFT)
#define LCD_MAP_CHAR_COM0_SEG_1ST_SHIFT 0x00000000
#define LCD_MAP_CHAR_COM0_SEG_2ND_SHIFT 0x00000001
#define LCD_MAP_CHAR_COM0_SEG_3RD_SHIFT 0x00000002
#define LCD_MAP_CHAR_COM0_SEG_4TH_SHIFT 0x00000003
#define LCD_MAP_CHAR_COM1_SEG_1ST_SHIFT 0x00000004
#define LCD_MAP_CHAR_COM1_SEG_2ND_SHIFT 0x00000005
#define LCD_MAP_CHAR_COM1_SEG_3RD_SHIFT 0x00000006
#define LCD_MAP_CHAR_COM1_SEG_4TH_SHIFT 0x00000007

/**
  * @brief LCD Digit defines
  */
#define LCD_DIGIT1_COM0               LCD_COM0
#define LCD_DIGIT1_COM0_SEG_MASK      ~(LCD_SEG0 | LCD_SEG1 | LCD_SEG2 | LCD_SEG3)
#define LCD_DIGIT1_COM1               LCD_COM1
#define LCD_DIGIT1_COM1_SEG_MASK      ~(LCD_SEG0 | LCD_SEG1 | LCD_SEG2 | LCD_SEG3)

#define LCD_COM0          MCU_LCD_COM0
#define LCD_COM0_1        MCU_LCD_COM0_1
#define LCD_COM1          MCU_LCD_COM1
#define LCD_COM1_1        MCU_LCD_COM1_1

#define LCD_SEG0          MCU_LCD_SEG0
#define LCD_SEG1          MCU_LCD_SEG1
#define LCD_SEG2          MCU_LCD_SEG2
#define LCD_SEG3          MCU_LCD_SEG3

#define LCD_SEG0_SHIFT          MCU_LCD_SEG0_SHIFT
#define LCD_SEG1_SHIFT          MCU_LCD_SEG1_SHIFT
#define LCD_SEG2_SHIFT          MCU_LCD_SEG2_SHIFT
#define LCD_SEG3_SHIFT          MCU_LCD_SEG3_SHIFT

#define MCU_LCD_COM0          LCD_RAM_REGISTER0
#define MCU_LCD_COM0_1        LCD_RAM_REGISTER1
#define MCU_LCD_COM1          LCD_RAM_REGISTER2
#define MCU_LCD_COM1_1        LCD_RAM_REGISTER3

#define MCU_LCD_SEG0          (1U << MCU_LCD_SEG0_SHIFT)
#define MCU_LCD_SEG1          (1U << MCU_LCD_SEG1_SHIFT)
#define MCU_LCD_SEG2          (1U << MCU_LCD_SEG2_SHIFT)
#define MCU_LCD_SEG3          (1U << MCU_LCD_SEG3_SHIFT)

#define MCU_LCD_SEG0_SHIFT    0
#define MCU_LCD_SEG1_SHIFT    1
#define MCU_LCD_SEG2_SHIFT    2
#define MCU_LCD_SEG3_SHIFT    3

/**
  * @brief LCD Pins definition.
  */
#define LCD_GPIO_BANKA_PINS (GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_6 | GPIO_PIN_8)

void BSP_LCD_GLASS_Init(void);
void BSP_LCD_GLASS_DeInit(void);
void BSP_LCD_GLASS_Clear(void);
void BSP_LCD_GLASS_WriteDigit(int digit);

#ifdef __cplusplus
}
#endif

#endif /* __STM32L476G_DISCOVERY_GLASS_LCD_H */