pub unsafe extern "C" fn rtc_io_number_get(
gpio_num: gpio_num_t,
) -> c_intExpand description
@brief Get RTC IO index number by gpio number.
@param gpio_num GPIO number @return >=0: Index of rtcio. -1 : The gpio is not rtcio.
pub unsafe extern "C" fn rtc_io_number_get(
gpio_num: gpio_num_t,
) -> c_int@brief Get RTC IO index number by gpio number.
@param gpio_num GPIO number @return >=0: Index of rtcio. -1 : The gpio is not rtcio.