HomeEnergyMeter/main/ssd1306_driver.h

#ifndef __SSD1306_DRIVER_H__
#define __SSD1306_DRIVER_H__

#include "driver/i2c.h"
#include "config.h"

#define SSD1306_OLED_ADDR  0x3C                 /*!< slave address for ssd1306 oled display */
#define WRITE_BIT  I2C_MASTER_WRITE             /*!< I2C master write */
#define ACK_CHECK_EN   0x1                      /*!< I2C master will check ack from slave*/
#define COMMAND_MODE 0x00
#define SINGLE_COMMAND_MODE 0x80
#define DATA_MODE 0x40
#define I2C_MASTER_NUM    I2C_NUM_1             /*!< I2C port number for master dev */
#define I2C_MASTER_TX_BUF_DISABLE   0           /*!< I2C master do not need buffer */
#define I2C_MASTER_RX_BUF_DISABLE   0           /*!< I2C master do not need buffer */


void i2c_master_init();

esp_err_t i2c_tx_cmd(uint8_t *data, const uint8_t length);
esp_err_t i2c_tx_data(uint8_t *data, const uint8_t length);




#endif