dac

内部関数です。通常は使いません。

利用方法

#include <driver/dac.h>

上記宣言で利用できます。

メンバー

dac_pad_get_io_num()

Get the gpio number of a specific DAC channel.

esp_err_t dac_pad_get_io_num(dac_channel_t channel, gpio_num_t *gpio_num)

引数

• dac_channel_t channel Channel to get the gpio number
• gpio_num_t* gpio_num output buffer to hold the gpio number

戻り値

esp_err_t

dac_output_voltage()

Set DAC output voltage.

DAC output is 8-bit. Maximum (255) corresponds to VDD.

esp_err_t dac_output_voltage(dac_channel_t channel, uint8_t dac_value)

引数

• dac_channel_t channel DAC channel
• uint8_t dac_value DAC output value

戻り値

esp_err_t

dac_output_enable()

DAC pad output enable

esp_err_t dac_output_enable(dac_channel_t channel)

引数

• dac_channel_t channel DAC channel

戻り値

esp_err_t

dac_output_disable()

DAC pad output disable

esp_err_t dac_output_disable(dac_channel_t channel)

引数

• dac_channel_t channel DAC channel

戻り値

esp_err_t

dac_i2s_enable()

Enable DAC output data from I2S

esp_err_t dac_i2s_enable()

戻り値

esp_err_t

dac_i2s_disable()

Disable DAC output data from I2S

esp_err_t dac_i2s_disable()

戻り値

esp_err_t