An example of creating and updating a simple GATT Service using the BLE_API
Dependencies: BLE_API mbed nRF51822
Fork of BLE_BatteryLevel by
main.cpp
- Committer:
- rgrover1
- Date:
- 2014-12-16
- Revision:
- 13:60e095fe4b45
- Parent:
- 12:4024aa3f72b0
- Child:
- 14:39b4b11d9cf5
File content as of revision 13:60e095fe4b45:
/* mbed Microcontroller Library * Copyright (c) 2006-2014 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 "BatteryService.h" BLEDevice ble; DigitalOut led1(LED1, 1); Ticker t; void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) { printf("Disconnected handle %u!\n\r", handle); printf("Restarting the advertising process\n\r"); ble.startAdvertising(); } void blink(void) { led1 = !led1; } int main(void) { uint8_t batteryLevel = 50; t.attach(blink, 1.0f); printf("Initialising the nRF51822\n\r"); ble.init(); ble.onDisconnection(disconnectionCallback); BatteryService batteryService(ble, batteryLevel); /* setup advertising */ ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); ble.setAdvertisingInterval(Gap::MSEC_TO_ADVERTISEMENT_DURATION_UNITS(1000)); /* 1000ms; in multiples of 0.625ms. */ ble.startAdvertising(); while (true) { ble.waitForEvent(); // this will return upon any system event (such as an interrupt or a ticker wakeup) // the magic battery processing batteryLevel++; if (batteryLevel > 100) { batteryLevel = 20; } batteryService.updateBatteryLevel(batteryLevel); } }