Function esp_idf_svc::hal::sys::esp_rom_gpio_connect_in_signal
source · pub unsafe extern "C" fn esp_rom_gpio_connect_in_signal(
gpio_num: u32,
signal_idx: u32,
inv: bool,
)
Expand description
@brief Combine a GPIO input with a peripheral signal, which tagged as input attribute.
@note There’s no limitation on the number of signals that a GPIO can combine with.
@param gpio_num GPIO number, especially, GPIO_MATRIX_CONST_ZERO_INPUT
means connect logic 0 to signal
GPIO_MATRIX_CONST_ONE_INPUT
means connect logic 1 to signal
@param signal_idx Peripheral signal index (tagged as input attribute)
@param inv Whether the GPIO input to be inverted or not