BLE UART example for Nucloe board and Bluetooth LE Nucleo shield.
Dependencies: Nucleo_BLE_API Nucleo_BLE_BlueNRG mbed
Warning: Deprecated!
Supported drivers and applications can be found at this link.
Diff: main.cpp
- Revision:
- 0:3e2ce2bb50b9
- Child:
- 1:69e44344edaa
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri Dec 19 19:53:05 2014 +0000 @@ -0,0 +1,102 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "mbed.h" +#include "BLEDevice.h" +#include "UARTService.h" +#include "Utils.h" + + +#define BLE_UART_SEND(STR) { if (uartServicePtr) uartServicePtr->write(STR, strlen(STR)); } + + +BLEDevice ble; +DigitalOut led1(LED1); +DigitalIn mybutton(USER_BUTTON); + +bool connected = false; + +UARTService *uartServicePtr; + +void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) +{ + DEBUG("Disconnected!\n\r"); + DEBUG("Restarting the advertising process\n\r"); + ble.startAdvertising(); + connected = false; +} + +void connectionCallback(Gap::Handle_t handle, const Gap::ConnectionParams_t *reason) +{ + DEBUG("Connected\r\n"); + connected = true; +} + +void onDataWritten(const GattCharacteristicWriteCBParams *params) +{ + if ((uartServicePtr != NULL) && (params->charHandle == uartServicePtr->getTXCharacteristicHandle())) { + uint16_t bytesRead = params->len; + DEBUG("received %u bytes\n\r", bytesRead); + ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), params->data, bytesRead); + } +} + +void periodicCallback(void) +{ + led1 = !led1; +} + +int main(void) +{ + led1 = 1; + Ticker ticker; + ticker.attach(periodicCallback, 1); + + DEBUG("Initialising \n\r"); + ble.init(); + ble.onDisconnection(disconnectionCallback); + ble.onConnection(connectionCallback); + ble.onDataWritten(onDataWritten); + + /* setup advertising */ + ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); + ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); + ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, (const uint8_t *)"BLE UART", sizeof("BLE UART") - 1); + ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed)); + + ble.setAdvertisingInterval(160); + ble.startAdvertising(); + + UARTService uartService(ble); + uartServicePtr = &uartService; + + + while (true) + { + ble.waitForEvent(); + + if(connected == true) + { + if (mybutton == 0) + { + DEBUG("ABCDEFGHIJKLMNOPQRST"); + BLE_UART_SEND("ABCDEFGHIJKLMNOPQRST"); + + while(mybutton == 0); + } + } + } +}