Function esp_idf_sys::rtc_gpio_get_level

source ยท 
pub unsafe extern "C" fn rtc_gpio_get_level(
    gpio_num: gpio_num_t,
) -> u32
Expand description

@brief Get the RTC IO input level

@param gpio_num GPIO number (e.g. GPIO_NUM_12)

@return - 1 High level - 0 Low level - ESP_ERR_INVALID_ARG GPIO is not an RTC IO