ssd_1306.h

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/***************************************************************************/
 
#ifndef SSD_1306_H
#define SSD_1306_H
 
#include <stdint.h>
#include <stdlib.h>
#include "display.h"
#include "no_os_gpio.h"
 
enum comm_type {
    SSD1306_I2C,
    SSD1306_SPI
};
 
enum transmit_type {
    SSD1306_CMD,
    SSD1306_DATA
};
 
#define SSD1306_I2C_ADDR    0x3C

typedef struct ssd_1306_extra {
    struct no_os_gpio_init_param      *dc_pin_ip;
    struct no_os_gpio_init_param     *reset_pin_ip;
    struct no_os_gpio_desc          *dc_pin;
    struct no_os_gpio_desc          *reset_pin;
    /* SPI initial param */
    struct no_os_spi_init_param      *spi_ip;
    /* SPI descriptor*/
    struct no_os_spi_desc            *spi_desc;
    /* I2C initial param*/
    struct no_os_i2c_init_param      *i2c_ip;
    /* I2C descriptor*/
    struct no_os_i2c_desc           *i2c_desc;
    /* Communication type */
    enum comm_type                   comm_type;
} ssd_1306_extra;
 
extern const struct display_controller_ops ssd1306_ops;
int32_t ssd_1306_init(struct display_dev *device);

int32_t ssd_1306_display_on_off(struct display_dev *device, uint8_t on_off);
 
/*  Moves cursor to desired row/column. */
int32_t ssd_1306_move_cursor(struct display_dev *device, uint8_t row,
                 uint8_t column);

int32_t ssd_1306_print_ascii(struct display_dev *device, uint8_t ascii,
                 uint8_t row, uint8_t column);

int32_t ssd_1306_remove(struct display_dev *device);

int32_t ssd_1306_print_buffer(struct display_dev *device, char *buffer);
 
#endif