ST / Mbed 2 deprecated BLE_BatteryLevel_IDB0XA1

An example of creating and updating a simple GATT Service using the BLE_API

Dependencies:   BLE_API X_NUCLEO_IDB0XA1 mbed

main.cpp@1:c81543a36d05, 2015-12-03 (annotated)

Committer:
apalmieri
Date:
Thu Dec 03 11:50:36 2015 +0000
Revision:
1:c81543a36d05
Parent:
0:dbff48b4070b
Child:
7:15e13a8f1193
Sync w/ rev 203 of X_NUCLEO_IDB0XA1 and rev 1016 of BLE_API (v2.1.7)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:dbff48b4070b 1 /* mbed Microcontroller Library
screamer 0:dbff48b4070b 2 * Copyright (c) 2006-2014 ARM Limited
screamer 0:dbff48b4070b 3 *
screamer 0:dbff48b4070b 4 * Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:dbff48b4070b 5 * you may not use this file except in compliance with the License.
screamer 0:dbff48b4070b 6 * You may obtain a copy of the License at
screamer 0:dbff48b4070b 7 *
screamer 0:dbff48b4070b 8 * http://www.apache.org/licenses/LICENSE-2.0
screamer 0:dbff48b4070b 9 *
screamer 0:dbff48b4070b 10 * Unless required by applicable law or agreed to in writing, software
screamer 0:dbff48b4070b 11 * distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:dbff48b4070b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:dbff48b4070b 13 * See the License for the specific language governing permissions and
screamer 0:dbff48b4070b 14 * limitations under the License.
screamer 0:dbff48b4070b 15 */
screamer 0:dbff48b4070b 16
screamer 0:dbff48b4070b 17 #include "mbed.h"
screamer 0:dbff48b4070b 18 #include "BLE.h"
screamer 0:dbff48b4070b 19 #include "BatteryService.h"
screamer 0:dbff48b4070b 20
screamer 0:dbff48b4070b 21 BLE ble;
screamer 0:dbff48b4070b 22
screamer 0:dbff48b4070b 23 DigitalOut led1(LED1, 1);
apalmieri 1:c81543a36d05 24
apalmieri 1:c81543a36d05 25 const static char DEVICE_NAME[] = "BATTERY";
apalmieri 1:c81543a36d05 26 static const uint16_t uuid16_list[] = {GattService::UUID_BATTERY_SERVICE};
apalmieri 1:c81543a36d05 27
apalmieri 1:c81543a36d05 28 static volatile bool triggerSensorPolling = false;
apalmieri 1:c81543a36d05 29
apalmieri 1:c81543a36d05 30 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
screamer 0:dbff48b4070b 31 {
apalmieri 1:c81543a36d05 32 printf("Disconnected handle %u!\n\r", params->handle);
screamer 0:dbff48b4070b 33 printf("Restarting the advertising process\n\r");
apalmieri 1:c81543a36d05 34 ble.gap().startAdvertising();
screamer 0:dbff48b4070b 35 }
screamer 0:dbff48b4070b 36
screamer 0:dbff48b4070b 37 void blink(void)
screamer 0:dbff48b4070b 38 {
screamer 0:dbff48b4070b 39 led1 = !led1;
apalmieri 1:c81543a36d05 40 triggerSensorPolling = true;
screamer 0:dbff48b4070b 41 }
screamer 0:dbff48b4070b 42
screamer 0:dbff48b4070b 43 int main(void)
screamer 0:dbff48b4070b 44 {
apalmieri 1:c81543a36d05 45 Ticker t;
screamer 0:dbff48b4070b 46 uint8_t batteryLevel = 50;
screamer 0:dbff48b4070b 47 t.attach(blink, 1.0f);
screamer 0:dbff48b4070b 48
screamer 0:dbff48b4070b 49 printf("Initialising\n\r");
screamer 0:dbff48b4070b 50
screamer 0:dbff48b4070b 51 ble.init();
apalmieri 1:c81543a36d05 52 ble.gap().onDisconnection(disconnectionCallback);
screamer 0:dbff48b4070b 53
screamer 0:dbff48b4070b 54 BatteryService batteryService(ble, batteryLevel);
screamer 0:dbff48b4070b 55
screamer 0:dbff48b4070b 56 /* setup advertising */
screamer 0:dbff48b4070b 57 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
apalmieri 1:c81543a36d05 58 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *) uuid16_list, sizeof(uuid16_list));
apalmieri 1:c81543a36d05 59 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *) DEVICE_NAME, sizeof(DEVICE_NAME));
screamer 0:dbff48b4070b 60 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
screamer 0:dbff48b4070b 61 ble.setAdvertisingInterval(1000); /* 1000ms; in multiples of 0.625ms. */
screamer 0:dbff48b4070b 62 ble.startAdvertising();
screamer 0:dbff48b4070b 63
screamer 0:dbff48b4070b 64 while (true) {
apalmieri 1:c81543a36d05 65 // check for trigger from periodicCallback()
apalmieri 1:c81543a36d05 66 if (triggerSensorPolling && ble.getGapState().connected) {
apalmieri 1:c81543a36d05 67 triggerSensorPolling = false;
screamer 0:dbff48b4070b 68
apalmieri 1:c81543a36d05 69 // the magic battery processing
apalmieri 1:c81543a36d05 70 batteryLevel++;
apalmieri 1:c81543a36d05 71 if (batteryLevel > 100) {
apalmieri 1:c81543a36d05 72 batteryLevel = 20;
apalmieri 1:c81543a36d05 73 }
apalmieri 1:c81543a36d05 74
apalmieri 1:c81543a36d05 75 batteryService.updateBatteryLevel(batteryLevel);
apalmieri 1:c81543a36d05 76 } else {
apalmieri 1:c81543a36d05 77 ble.waitForEvent(); // low power wait for event
screamer 0:dbff48b4070b 78 }
screamer 0:dbff48b4070b 79 }
screamer 0:dbff48b4070b 80 }
screamer 0:dbff48b4070b 81