/*
 * u8g2_esp32_hal.h
 *
 *  Created on: Feb 12, 2017
 *      Author: kolban
 */

#ifndef U8G2_ESP32_HAL_H_
#define U8G2_ESP32_HAL_H_

#if __cplusplus
extern "C" {
#endif

#include "u8g2.h"

#include "driver/gpio.h"
#include "driver/i2c.h"
#include "driver/spi_master.h"

#define I2C_MASTER_NUM I2C_NUM_0     //  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
#define I2C_MASTER_FREQ_HZ 100000    //  I2C master clock frequency
#define ACK_CHECK_EN 0x1             //  I2C master will check ack from slave
#define ACK_CHECK_DIS 0x0  //  I2C master will not check ack from slave

uint8_t u8g2_esp32_spi_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int,
                               void *arg_ptr);
uint8_t u8g2_esp32_i2c_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int,
                               void *arg_ptr);
uint8_t u8g2_esp32_gpio_and_delay_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int,
                                     void *arg_ptr);

#if __cplusplus
}
#endif

#endif /* U8G2_ESP32_HAL_H_ */