nhd_c12832a1z.h

Go to the documentation of this file.

/***************************************************************************/
#ifndef __NHD_C12832A1Z_H__
#define __NHD_C12832A1Z_H__
 
/******************************************************************************/
/***************************** Include Files **********************************/
/******************************************************************************/
 
#include <stdint.h>
#include <stdlib.h>
#include "no_os_gpio.h"
 
/******************************************************************************/
/********************** Macros and Constants Definitions **********************/
/******************************************************************************/
 
#define NHD_C12832A1Z_RST_ON        0U
#define NHD_C12832A1Z_RST_OFF       1U
#define NHD_C12832A1Z_DC_DATA       1U
#define NHD_C12832A1Z_DC_CMD        0U
#define NHD_C12832A1Z_DISP_ON       0xAFU
#define NHD_C12832A1Z_DISP_OFF      0xAEU
#define NDH_C12832A1Z_ADC_NORMAL    0xA0U
#define NDH_C12832A1Z_ADC_REVERSE   0xA1U
#define NDH_C12832A1Z_COM_NORMAL    0xC0U
#define NDH_C12832A1Z_COM_REVERSE   0xC8U
#define NDH_C12832A1Z_LCD_BIAS      0xA2U
#define NDH_C12832A1Z_PWR_CTRL      0x2FU
#define NDH_C12832A1Z_RES_RATIO     0x21U
#define NDH_C12832A1Z_ELECTRIC_VOL  0x81U
#define NDH_C12832A1Z_ELECTRIC_VAL  0x20U
 
#define NHD_C12832A1Z_REVERSE       0x1
#define NHD_C12832A1Z_BLINK     0x2
 
#define NHD_C12832A1Z_BLINK_INTERVAL    500
 
#define FB_FLUSH_DELAY          30
 
#define NR_COLUMNS          128
#define NR_PAGES            4
#define NR_CHAR             64
#define PAGE_START_ADDR         0xB0
#define DISPLAY_START_OFFSET        0x40
 
/******************************************************************************/
/*************************** Types Declarations *******************************/
/******************************************************************************/
 
struct nhd_c12832a1z_dev {
    struct no_os_gpio_desc      *dc_pin;
    struct no_os_gpio_desc      *reset_pin;
    /* SPI descriptor*/
    struct no_os_spi_desc       *spi_desc;
};
 
struct nhd_c12832a1z_init_param {
    struct no_os_gpio_init_param    *dc_pin_ip;
    struct no_os_gpio_init_param    *reset_pin_ip;
    /* SPI initial param */
    struct no_os_spi_init_param     *spi_ip;
};
 
/******************************************************************************/
/************************ Functions Declarations ******************************/
/******************************************************************************/
 
/* nhd_c12832a1z write command */
int nhd_c12832a1z_write_cmd(struct nhd_c12832a1z_dev *dev, uint8_t cmd);
 
/* nhd_c12832a1z write data */
int nhd_c12832a1z_write_data(struct nhd_c12832a1z_dev *dev, uint8_t data);
 
/* nhd_c12832a1z print string on LCD */
int nhd_c12832a1z_print_string(struct nhd_c12832a1z_dev *dev, char *msg);
 
/* nhd_c12832a1z clear LCD */
int nhd_c12832a1z_clear_lcd(struct nhd_c12832a1z_dev *dev);
 
int nhd_c12832a1z_init(struct nhd_c12832a1z_dev **device,
               struct nhd_c12832a1z_init_param init_param);
 
int nhd_c12832a1z_remove(struct nhd_c12832a1z_dev *dev);
 
#endif //__NHD_C12832A1Z_H__