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main/u8g2_esp32_hal.h@358bbd5b608e (annotated)

main/u8g2_esp32_hal.h

Sat, 23 Nov 2019 21:43:14 +0100

author
Michiel Broek <mbroek@mbse.eu>
date
Sat, 23 Nov 2019 21:43:14 +0100
changeset 37
358bbd5b608e
parent 35
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child 57
232f318a6b51
permissions
-rw-r--r--

menuconfig settings now work for I2C display setup. Lot's of code cleanup.

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1 /**
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2 * @file u8g2_esp32_hal.h
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3 * @date Feb 12, 2017
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4 * @author kolban
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5 */
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6
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7 #ifndef U8G2_ESP32_HAL_H_
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8 #define U8G2_ESP32_HAL_H_
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9 #include "u8g2.h"
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10
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11 #include "driver/gpio.h"
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12 #include "driver/spi_master.h"
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13 #include "driver/i2c.h"
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14
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15 #define U8G2_ESP32_HAL_UNDEFINED (-1)
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17 #define I2C_MASTER_NUM (CONFIG_I2C_MASTER_PORT_NUM) ///< I2C port number for master dev (original 1)
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18 #define I2C_MASTER_TX_BUF_DISABLE 0 ///< I2C master do not need buffer
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19 #define I2C_MASTER_RX_BUF_DISABLE 0 ///< I2C master do not need buffer
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20 #define I2C_MASTER_FREQ_HZ (CONFIG_I2C_MASTER_FREQUENCY) ///< I2C master clock frequency (original 50000)
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21 #define ACK_CHECK_EN 0x1 ///< I2C master will check ack from slave
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22 #define ACK_CHECK_DIS 0x0 ///< I2C master will not check ack from slave
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24 typedef struct {
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25 gpio_num_t clk;
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26 gpio_num_t mosi;
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27 gpio_num_t sda; // data for I²C
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28 gpio_num_t scl; // clock for I²C
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29 gpio_num_t cs;
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30 gpio_num_t reset;
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31 gpio_num_t dc;
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32 } u8g2_esp32_hal_t ;
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33
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34 #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 }
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36 void u8g2_esp32_hal_init(u8g2_esp32_hal_t u8g2_esp32_hal_param);
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37 uint8_t u8g2_esp32_spi_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
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38 uint8_t u8g2_esp32_i2c_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
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39 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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40 #endif /* U8G2_ESP32_HAL_H_ */

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