17 lines
464 B
C
17 lines
464 B
C
#pragma once
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#include "driver/i2c_master.h"
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#define I2C_PORT I2C_NUM_0
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extern i2c_master_bus_handle_t bus;
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void i2c_init(int sda, int scl);
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esp_err_t i2c_write_reg(uint8_t addr, uint8_t reg, uint8_t val);
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esp_err_t i2c_read_reg(uint8_t addr, uint8_t reg, uint8_t *val);
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esp_err_t i2c_read_multi(uint8_t addr, uint8_t reg, uint8_t *buf, int len);
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esp_err_t i2c_read_reg_multi(uint8_t addr, uint8_t reg, uint8_t *buf,
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size_t len);
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