Function esp_idf_svc::sys::rtc_gpio_is_valid_gpio

source ยท 
pub unsafe extern "C" fn rtc_gpio_is_valid_gpio(gpio_num: i32) -> bool
Expand description

@brief Determine if the specified GPIO is a valid RTC GPIO.

@param gpio_num GPIO number @return true if GPIO is valid for RTC GPIO use. false otherwise.