pub unsafe extern "C" fn gpio_init_callback(
callback: *mut gpio_callback,
handler: Option<unsafe extern "C" fn(_: *const device, _: *mut gpio_callback, _: u32)>,
pin_mask: u32,
)
Expand description
@brief Helper to initialize a struct gpio_callback properly @param callback A valid Application’s callback structure pointer. @param handler A valid handler function pointer. @param pin_mask A bit mask of relevant pins for the handler