Function esp_idf_sys::adc1_ulp_enable

pub unsafe extern "C" fn adc1_ulp_enable()

@brief Configure ADC1 to be usable by the ULP

This function reconfigures ADC1 to be controlled by the ULP. Effect of this function can be reverted using adc1_get_raw function.

Note that adc1_config_channel_atten, adc1_config_width functions need to be called to configure ADC1 channels, before ADC1 is used by the ULP.