ame ! / Mbed 2 deprecated BLE_HeartRate_IDB0XA1

+ battery and device information

Dependencies:   BLE_API X_NUCLEO_IDB0XA1 mbed

Fork of BLE_HeartRate_IDB0XA1 by ST

main.cpp@22:519a64a68971, 2016-10-12 (annotated)

Committer:
a29
Date:
Wed Oct 12 10:41:44 2016 +0000
Revision:
22:519a64a68971
Parent:
21:0e7c08f5386f 
+ battery and device information service

;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:eb7f02ad28a7 1 /* mbed Microcontroller Library
screamer 0:eb7f02ad28a7 2 * Copyright (c) 2006-2015 ARM Limited
screamer 0:eb7f02ad28a7 3 *
screamer 0:eb7f02ad28a7 4 * Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:eb7f02ad28a7 5 * you may not use this file except in compliance with the License.
screamer 0:eb7f02ad28a7 6 * You may obtain a copy of the License at
screamer 0:eb7f02ad28a7 7 *
screamer 0:eb7f02ad28a7 8 * http://www.apache.org/licenses/LICENSE-2.0
screamer 0:eb7f02ad28a7 9 *
screamer 0:eb7f02ad28a7 10 * Unless required by applicable law or agreed to in writing, software
screamer 0:eb7f02ad28a7 11 * distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:eb7f02ad28a7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:eb7f02ad28a7 13 * See the License for the specific language governing permissions and
screamer 0:eb7f02ad28a7 14 * limitations under the License.
screamer 0:eb7f02ad28a7 15 */
screamer 0:eb7f02ad28a7 16
screamer 0:eb7f02ad28a7 17 #include "mbed.h"
screamer 0:eb7f02ad28a7 18 #include "ble/BLE.h"
screamer 0:eb7f02ad28a7 19 #include "ble/services/HeartRateService.h"
a29 22:519a64a68971 20 #include "ble/services/BatteryService.h"
a29 22:519a64a68971 21 #include "ble/services/DeviceInformationService.h"
screamer 0:eb7f02ad28a7 22
apalmieri 13:227a0149b677 23 DigitalOut led1(LED1, 1);
screamer 0:eb7f02ad28a7 24
screamer 0:eb7f02ad28a7 25 const static char DEVICE_NAME[] = "HRM1";
a29 22:519a64a68971 26 static const uint16_t uuid16_list[] = {GattService::UUID_HEART_RATE_SERVICE,
a29 22:519a64a68971 27 GattService::UUID_DEVICE_INFORMATION_SERVICE,
a29 22:519a64a68971 28 GattService::UUID_BATTERY_SERVICE};
apalmieri 13:227a0149b677 29
screamer 0:eb7f02ad28a7 30 static volatile bool triggerSensorPolling = false;
screamer 0:eb7f02ad28a7 31
apalmieri 2:bc0c0d442a24 32 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
screamer 0:eb7f02ad28a7 33 {
apalmieri 13:227a0149b677 34 (void)params;
apalmieri 13:227a0149b677 35 BLE::Instance().gap().startAdvertising(); // restart advertising
screamer 0:eb7f02ad28a7 36 }
screamer 0:eb7f02ad28a7 37
screamer 0:eb7f02ad28a7 38 void periodicCallback(void)
screamer 0:eb7f02ad28a7 39 {
screamer 0:eb7f02ad28a7 40 led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
screamer 0:eb7f02ad28a7 41 /* Note that the periodicCallback() executes in interrupt context, so it is safer to do
screamer 0:eb7f02ad28a7 42 * heavy-weight sensor polling from the main thread. */
screamer 0:eb7f02ad28a7 43 triggerSensorPolling = true;
screamer 0:eb7f02ad28a7 44 }
screamer 0:eb7f02ad28a7 45
apalmieri 13:227a0149b677 46 void onBleInitError(BLE &ble, ble_error_t error)
apalmieri 13:227a0149b677 47 {
apalmieri 13:227a0149b677 48 (void)ble;
apalmieri 13:227a0149b677 49 (void)error;
apalmieri 13:227a0149b677 50 /* Initialization error handling should go here */
apalmieri 13:227a0149b677 51 }
apalmieri 13:227a0149b677 52
apalmieri 13:227a0149b677 53 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
screamer 0:eb7f02ad28a7 54 {
apalmieri 13:227a0149b677 55 BLE& ble = params->ble;
apalmieri 13:227a0149b677 56 ble_error_t error = params->error;
screamer 0:eb7f02ad28a7 57
apalmieri 13:227a0149b677 58 if (error != BLE_ERROR_NONE) {
apalmieri 13:227a0149b677 59 onBleInitError(ble, error);
apalmieri 13:227a0149b677 60 return;
apalmieri 13:227a0149b677 61 }
apalmieri 13:227a0149b677 62
apalmieri 13:227a0149b677 63 if (ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
apalmieri 13:227a0149b677 64 return;
apalmieri 13:227a0149b677 65 }
apalmieri 13:227a0149b677 66
screamer 0:eb7f02ad28a7 67 ble.gap().onDisconnection(disconnectionCallback);
screamer 0:eb7f02ad28a7 68
screamer 0:eb7f02ad28a7 69 /* Setup primary service. */
apalmieri 21:0e7c08f5386f 70 uint8_t hrmCounter = 60; // init HRM to 60bps
screamer 0:eb7f02ad28a7 71 HeartRateService hrService(ble, hrmCounter, HeartRateService::LOCATION_FINGER);
a29 22:519a64a68971 72
a29 22:519a64a68971 73 /* Setup auxiliary service. */
a29 22:519a64a68971 74 uint8_t batteryLevel = 90; // init battery level
a29 22:519a64a68971 75 BatteryService battery(ble,batteryLevel);
a29 22:519a64a68971 76 DeviceInformationService deviceInfo(ble, "MY_ARM", "Model1", "SN1", "hw-rev1", "fw-rev1", "soft-rev1");
a29 22:519a64a68971 77
screamer 0:eb7f02ad28a7 78
screamer 0:eb7f02ad28a7 79 /* Setup advertising. */
screamer 0:eb7f02ad28a7 80 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
screamer 0:eb7f02ad28a7 81 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
screamer 0:eb7f02ad28a7 82 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_HEART_RATE_SENSOR);
screamer 0:eb7f02ad28a7 83 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
screamer 0:eb7f02ad28a7 84 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
screamer 0:eb7f02ad28a7 85 ble.gap().setAdvertisingInterval(1000); /* 1000ms */
screamer 0:eb7f02ad28a7 86 ble.gap().startAdvertising();
screamer 0:eb7f02ad28a7 87
screamer 0:eb7f02ad28a7 88 // infinite loop
apalmieri 13:227a0149b677 89 while (true) {
screamer 0:eb7f02ad28a7 90 // check for trigger from periodicCallback()
screamer 0:eb7f02ad28a7 91 if (triggerSensorPolling && ble.getGapState().connected) {
screamer 0:eb7f02ad28a7 92 triggerSensorPolling = false;
screamer 0:eb7f02ad28a7 93
screamer 0:eb7f02ad28a7 94 // Do blocking calls or whatever is necessary for sensor polling.
screamer 0:eb7f02ad28a7 95 // In our case, we simply update the HRM measurement.
screamer 0:eb7f02ad28a7 96 hrmCounter++;
screamer 0:eb7f02ad28a7 97
apalmieri 21:0e7c08f5386f 98 // 60 <= HRM bps <= 100
a29 22:519a64a68971 99 if (hrmCounter == 90) {
apalmieri 21:0e7c08f5386f 100 hrmCounter = 60;
screamer 0:eb7f02ad28a7 101 }
a29 22:519a64a68971 102
screamer 0:eb7f02ad28a7 103 // update bps
screamer 0:eb7f02ad28a7 104 hrService.updateHeartRate(hrmCounter);
a29 22:519a64a68971 105
a29 22:519a64a68971 106 batteryLevel++;
a29 22:519a64a68971 107
a29 22:519a64a68971 108 // 90 <= battery level <= 100
a29 22:519a64a68971 109 if (batteryLevel == 100) {
a29 22:519a64a68971 110 batteryLevel = 90;
a29 22:519a64a68971 111 }
a29 22:519a64a68971 112
a29 22:519a64a68971 113 // update battery level
a29 22:519a64a68971 114 battery.updateBatteryLevel(batteryLevel);
screamer 0:eb7f02ad28a7 115 } else {
screamer 0:eb7f02ad28a7 116 ble.waitForEvent(); // low power wait for event
screamer 0:eb7f02ad28a7 117 }
screamer 0:eb7f02ad28a7 118 }
screamer 0:eb7f02ad28a7 119 }
apalmieri 13:227a0149b677 120
apalmieri 13:227a0149b677 121 int main(void)
apalmieri 13:227a0149b677 122 {
apalmieri 13:227a0149b677 123 Ticker ticker;
apalmieri 13:227a0149b677 124 ticker.attach(periodicCallback, 1); // blink LED every second
apalmieri 13:227a0149b677 125
apalmieri 13:227a0149b677 126 BLE::Instance().init(bleInitComplete);
apalmieri 13:227a0149b677 127 }
apalmieri 14:f715c13eb84f 128