49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
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/*
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* u8g2_esp32_hal.h
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*
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* Created on: Feb 12, 2017
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* Author: kolban
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*/
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#ifndef U8G2_ESP32_HAL_H_
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#define U8G2_ESP32_HAL_H_
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#include <clib/u8g2.h>
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#include "driver/gpio.h"
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#include "driver/spi_master.h"
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#include "driver/i2c.h"
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#define U8G2_ESP32_HAL_UNDEFINED (gpio_num_t) (-1)
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#define I2C_MASTER_TX_BUF_DISABLE 0 // I2C master do not need buffer
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#define I2C_MASTER_RX_BUF_DISABLE 0 // I2C master do not need buffer
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#define I2C_MASTER_FREQ_HZ 1000000 // I2C master clock frequency
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#define ACK_CHECK_EN 0x1 // I2C master will check ack from slave
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#define ACK_CHECK_DIS 0x0 // I2C master will not check ack from slave
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typedef struct {
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gpio_num_t clk;
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gpio_num_t mosi;
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gpio_num_t sda; // data for I²C
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gpio_num_t scl; // clock for I²C
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gpio_num_t cs;
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gpio_num_t reset;
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gpio_num_t dc;
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i2c_port_t master_num;
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} u8g2_esp32_hal_t ;
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typedef struct {
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spi_device_handle_t handle_spi;
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i2c_cmd_handle_t handle_i2c;
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u8g2_esp32_hal_t u8g2_esp32_hal;
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} u8g2_esp_hal_handle_t;
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#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, I2C_NUM_0}
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void u8g2_esp32_hal_init(u8x8_t *u8x8, u8g2_esp32_hal_t u8g2_esp32_hal_param);
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void u8g2_esp32_hal_init(u8x8_t *u8x8, u8g2_esp32_hal_t u8g2_esp32_hal_param);
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uint8_t u8g2_esp32_spi_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
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uint8_t u8g2_esp32_i2c_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
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uint8_t u8g2_esp32_gpio_and_delay_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
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#endif /* U8G2_ESP32_HAL_H_ */
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