Datasheet

if ( clientUart.discovered() )
{
clientUart.print(str);
}else
{
bleuart.println("[Prph] Central role not connected");
}
}
/*------------------------------------------------------------------*/
/* Central
*------------------------------------------------------------------*/
void scan_callback(ble_gap_evt_adv_report_t* report)
{
// Check if advertising contain BleUart service
if ( Bluefruit.Scanner.checkReportForService(report, clientUart) )
{
Serial.println("BLE UART service detected. Connecting ... ");
// Connect to device with bleuart service in advertising
Bluefruit.Central.connect(report);
}
}
void cent_connect_callback(uint16_t conn_handle)
{
char peer_name[32] = { 0 };
Bluefruit.Gap.getPeerName(conn_handle, peer_name, sizeof(peer_name));
Serial.print("[Cent] Connected to ");
Serial.println(peer_name);;
if ( clientUart.discover(conn_handle) )
{
// Enable TXD's notify
clientUart.enableTXD();
}else
{
// disconect since we couldn't find bleuart service
Bluefruit.Central.disconnect(conn_handle);
}
}
void cent_disconnect_callback(uint16_t conn_handle, uint8_t reason)
{
(void) conn_handle;
(void) reason;
Serial.println("[Cent] Disconnected");
}
/**
* Callback invoked when uart received data
* @param cent_uart Reference object to the service where the data
* arrived. In this example it is clientUart
*/
void cent_bleuart_rx_callback(BLEClientUart& cent_uart)
{
char str[20+1] = { 0 };
cent_uart.read(str, 20);
© Adafruit Industries https://learn.adafruit.com/bluefruit-nrf52-feather-learning-guide Page 81 of 175