Type Definition esp_idf_bindgen::esp_now_recv_cb_t

type esp_now_recv_cb_t = Option<unsafe extern "C" fn(mac_addr: *const u8, data: *const u8, data_len: c_int)>;

@brief Callback function of receiving ESPNOW data @param mac_addr peer MAC address @param data received data @param data_len length of received data