23 lines
1.0 KiB
C
23 lines
1.0 KiB
C
#pragma once
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#include <stdint.h>
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#include <string.h> // For memcpy
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#include "esp_log.h"
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#include "driver/gpio.h"
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#include "driver/i2c.h"
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/********************* I2C *********************/
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#define I2C_Touch_SCL_IO 47 /*!< GPIO number used for I2C master clock */
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#define I2C_Touch_SDA_IO 48 /*!< GPIO number used for I2C master data */
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#define I2C_MASTER_NUM 0 /*!< I2C master i2c port number, the number of i2c peripheral interfaces available will depend on the chip */
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#define I2C_MASTER_FREQ_HZ 400000 /*!< I2C master clock frequency */
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#define I2C_MASTER_TX_BUF_DISABLE 0 /*!< I2C master doesn't need buffer */
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#define I2C_MASTER_RX_BUF_DISABLE 0 /*!< I2C master doesn't need buffer */
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#define I2C_MASTER_TIMEOUT_MS 1000
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void I2C_Init(void);
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// Reg addr is 8 bit
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esp_err_t I2C_Write(uint8_t Driver_addr, uint8_t Reg_addr, const uint8_t *Reg_data, uint32_t Length);
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esp_err_t I2C_Read(uint8_t Driver_addr, uint8_t Reg_addr, uint8_t *Reg_data, uint32_t Length); |