Function esp_idf_svc::hal::sys::esp_ble_gatts_register_callback

source ยท 
pub unsafe extern "C" fn esp_ble_gatts_register_callback(
    callback: Option<unsafe extern "C" fn(_: u32, _: u8, _: *mut esp_ble_gatts_cb_param_t)>,
) -> i32
Expand description

@brief This function is called to register application callbacks with BTA GATTS module.

@return - ESP_OK : success - other : failed