main/u8g2_esp32_hal.h

Tue, 08 Oct 2019 12:00:31 +0200

author
Michiel Broek <mbroek@mbse.eu>
date
Tue, 08 Oct 2019 12:00:31 +0200
changeset 0
88d965579617
child 30
8b630bf52092
permissions
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Initial import of the CO2 meter application.

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1 /*
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2 * u8g2_esp32_hal.h
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3 *
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4 * Created on: Feb 12, 2017
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5 * Author: kolban
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6 */
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7
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8 #ifndef U8G2_ESP32_HAL_H_
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9 #define U8G2_ESP32_HAL_H_
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10 #include "u8g2.h"
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11
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12 #include "driver/gpio.h"
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13 #include "driver/spi_master.h"
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14 #include "driver/i2c.h"
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15
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16 #define U8G2_ESP32_HAL_UNDEFINED (-1)
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17
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18 #define I2C_MASTER_NUM I2C_NUM_1 // I2C port number for master dev
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19 #define I2C_MASTER_TX_BUF_DISABLE 0 // I2C master do not need buffer
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20 #define I2C_MASTER_RX_BUF_DISABLE 0 // I2C master do not need buffer
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21 #define I2C_MASTER_FREQ_HZ 50000 // I2C master clock frequency
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22 #define ACK_CHECK_EN 0x1 // I2C master will check ack from slave
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23 #define ACK_CHECK_DIS 0x0 // I2C master will not check ack from slave
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24
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25 typedef struct {
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26 gpio_num_t clk;
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27 gpio_num_t mosi;
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28 gpio_num_t sda; // data for I²C
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29 gpio_num_t scl; // clock for I²C
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30 gpio_num_t cs;
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31 gpio_num_t reset;
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32 gpio_num_t dc;
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33 } u8g2_esp32_hal_t ;
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34
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35 #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
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37 void u8g2_esp32_hal_init(u8g2_esp32_hal_t u8g2_esp32_hal_param);
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38 uint8_t u8g2_esp32_spi_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
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39 uint8_t u8g2_esp32_i2c_byte_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr);
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40 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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41 #endif /* U8G2_ESP32_HAL_H_ */

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