21 lines
1000 B
C
21 lines
1000 B
C
#ifndef I2CBRN_COMPONENT
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#define I2CBRN_COMPONENT
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#define I2C_TIMEOUT_MS_VALUE 20
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#include <string.h>
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#include "esp_log.h"
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#include "buscfg.h"
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#define TAG_I2C "cani2c"
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#include "driver/i2c_master.h"
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extern i2c_master_bus_config_t i2c0_bus_cfg;
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extern i2c_master_bus_handle_t i2c0_bus_hdl;
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esp_err_t i2c_master_bus_detect_devices(i2c_master_bus_handle_t handle);
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esp_err_t i2c_write_register(i2c_master_dev_handle_t dev_handle, uint8_t reg_addr, uint8_t *data, size_t len);
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esp_err_t i2c_read_register(i2c_master_dev_handle_t dev_handle, uint8_t reg_addr, uint8_t *data, size_t len);
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esp_err_t i2c_write_register_16(i2c_master_dev_handle_t dev_handle, uint8_t reg_addr, uint16_t value);
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esp_err_t i2c_read_register_16(i2c_master_dev_handle_t dev_handle, uint8_t reg_addr, uint16_t *value);
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esp_err_t i2c_write_register_8(i2c_master_dev_handle_t dev_handle, uint8_t reg_addr, uint8_t value);
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esp_err_t i2c_read_register_8(i2c_master_dev_handle_t dev_handle, uint8_t reg_addr, uint8_t *value);
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#endif |