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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_
#include "u8g2.h"
#include "driver/gpio.h"
#include "driver/spi_master.h"
#include "driver/i2c.h"
#define U8G2_ESP32_HAL_UNDEFINED (-1)
#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
#define I2C_MASTER_FREQ_HZ 50000 // 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
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_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); #endif /* U8G2_ESP32_HAL_H_ */
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