u8g2_esp32_hal.h

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

#ifndef U8G2_ESP32_HAL_H_
#define U8G2_ESP32_HAL_H_

#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
#include "u8g2.h"
#ifdef __cplusplus
}
#endif // __cplusplus

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

#define U8G2_ESP32_HAL_UNDEFINED ((gpio_num_t)(-1))

#define I2C_MASTER_NUM I2C_NUM_1   
#define I2C_MASTER_TX_BUF_DISABLE   0   
#define I2C_MASTER_RX_BUF_DISABLE   0   
//#define I2C_MASTER_FREQ_HZ    50000     
#define I2C_MASTER_FREQ_HZ    100000     
#define ACK_CHECK_EN   0x1     
#define ACK_CHECK_DIS  0x0     
typedef struct {
  gpio_num_t clk;
  gpio_num_t mosi;
  gpio_num_t sda; // data for I²C
  gpio_num_t scl; // clock for I²C
  gpio_num_t cs;
  gpio_num_t reset;
  gpio_num_t dc;
} u8g2_esp32_hal_t ;

#define U8G2_ESP32_HAL_DEFAULT {U8G2_ESP32_HAL_UNDEFINED, U8G2_ESP32_HAL_UNDEFINED, U8G2_ESP32_HAL_UNDEFINED, U8G2_ESP32_HAL_UNDEFINED, U8G2_ESP32_HAL_UNDEFINED, U8G2_ESP32_HAL_UNDEFINED, U8G2_ESP32_HAL_UNDEFINED }

void u8g2_esp32_hal_init(u8g2_esp32_hal_t u8g2_esp32_hal_param);
uint8_t u8g2_esp32_msg_comms_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
uint8_t u8g2_esp32_msg_gpio_and_delay_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
uint8_t u8g2_esp32_msg_i2c_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
uint8_t u8g2_esp32_msg_i2c_and_delay_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
#endif /* U8G2_ESP32_HAL_H_ */