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nopnop2002 2024-09-08 16:57:16 +09:00
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HowToUseOtherDevice/README.md
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@ -18,16 +18,16 @@ There is no need to memorize any data.
SSD1306 and other device use the same frequency. SSD1306 and other device use the same frequency.
Please note that the maximum i2c clock frequency of SSD1306 is 400KHz. Please note that the maximum i2c clock frequency of SSD1306 is 400KHz.
``` ```
i2c_config_t i2c_config = { i2c_config_t i2c_config = {
.mode = I2C_MODE_MASTER, .mode = I2C_MODE_MASTER,
.sda_io_num = sda, .sda_io_num = sda,
.scl_io_num = scl, .scl_io_num = scl,
.sda_pullup_en = GPIO_PULLUP_ENABLE, .sda_pullup_en = GPIO_PULLUP_ENABLE,
.scl_pullup_en = GPIO_PULLUP_ENABLE, .scl_pullup_en = GPIO_PULLUP_ENABLE,
.master.clk_speed = I2C_MASTER_FREQ_HZ .master.clk_speed = I2C_MASTER_FREQ_HZ
}; };
ESP_ERROR_CHECK(i2c_param_config(I2C_NUM, &i2c_config)); ESP_ERROR_CHECK(i2c_param_config(I2C_NUM, &i2c_config));
ESP_ERROR_CHECK(i2c_driver_install(I2C_NUM, I2C_MODE_MASTER, 0, 0, 0)); ESP_ERROR_CHECK(i2c_driver_install(I2C_NUM, I2C_MODE_MASTER, 0, 0, 0));
``` ```