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nopnop2002 2024-09-10 19:07:27 +09:00
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6
DeviceAddDemo/README.md
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@ -50,12 +50,14 @@ We only need to run this code once.
ESP_ERROR_CHECK(i2c_driver_install(I2C_NUM_0, I2C_MODE_MASTER, 0, 0, 0));
```
This project uses the following functions to install the i2c driver.
This project uses the following functions to install the i2c driver.
This function determines which i2c port to use inside the function.
```
i2c_master_init(&dev, CONFIG_SDA_GPIO, CONFIG_SCL_GPIO, CONFIG_RESET_GPIO);
```
This project allows you to use an initialization function that does not install the i2c driver.
This function specifies the i2c port to use as the function argument.
```
i2c_device_add(&dev, i2c_num, CONFIG_RESET_GPIO);
```
@ -119,11 +121,13 @@ We need to run this code on the second device.
```
This project uses the following functions to install the i2c driver.
This function determines which i2c port to use inside the function.
```
i2c_master_init(&dev, CONFIG_SDA_GPIO, CONFIG_SCL_GPIO, CONFIG_RESET_GPIO);
```
This project allows you to use an initialization function that does not install the i2c driver.
This function specifies the i2c port to use as the function argument.
```
i2c_bus_add(&dev, bus_handle, i2c_num, CONFIG_RESET_GPIO);
```