Demo Glucose Service

Dependencies:   BLE_API mbed nRF51822

Fork of BLE_HeartRate by Bluetooth Low Energy

BLE_Glucose_demo implements the Glucose Service which enables a collector device to connect and interact with.

There is a brief sample code edited with Android Studio for demo this BLE_Glucose_demo example, and it is public on github, everyone can clone it by this URL: https://github.com/Marcomissyou/BluetoothLeGlucose.git. It is convenient for you to development your BLE idea.

There is also provided apk file so you can download and install it directly then demo this code, but make sure your Android phone supports Bluetooth 4.0. /media/uploads/Marcomissyou/bleglucoseservice.apk

Committer:
rgrover1
Date:
Tue Sep 23 15:04:58 2014 +0000
Revision:
43:dbb025ed4a55
Parent:
42:06ebef2e0e44
Child:
45:98c5a34b07a4
minor update to advertising payload; and fleshing out Device Information Service.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ktownsend 0:87a7fc231fae 1 /* mbed Microcontroller Library
ktownsend 0:87a7fc231fae 2 * Copyright (c) 2006-2013 ARM Limited
ktownsend 0:87a7fc231fae 3 *
ktownsend 0:87a7fc231fae 4 * Licensed under the Apache License, Version 2.0 (the "License");
ktownsend 0:87a7fc231fae 5 * you may not use this file except in compliance with the License.
ktownsend 0:87a7fc231fae 6 * You may obtain a copy of the License at
ktownsend 0:87a7fc231fae 7 *
ktownsend 0:87a7fc231fae 8 * http://www.apache.org/licenses/LICENSE-2.0
ktownsend 0:87a7fc231fae 9 *
ktownsend 0:87a7fc231fae 10 * Unless required by applicable law or agreed to in writing, software
ktownsend 0:87a7fc231fae 11 * distributed under the License is distributed on an "AS IS" BASIS,
ktownsend 0:87a7fc231fae 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ktownsend 0:87a7fc231fae 13 * See the License for the specific language governing permissions and
ktownsend 0:87a7fc231fae 14 * limitations under the License.
ktownsend 0:87a7fc231fae 15 */
ktownsend 0:87a7fc231fae 16
ktownsend 0:87a7fc231fae 17 #include "mbed.h"
Rohit Grover 10:2436164b692e 18 #include "BLEDevice.h"
rgrover1 39:6390604f904c 19 #include "HeartRateService.h"
rgrover1 42:06ebef2e0e44 20 #include "BatteryService.h"
rgrover1 42:06ebef2e0e44 21 #include "DeviceInformationService.h"
ktownsend 0:87a7fc231fae 22
Rohit Grover 10:2436164b692e 23 BLEDevice ble;
Rohit Grover 3:24e2b056d229 24 DigitalOut led1(LED1);
Rohit Grover 9:5d693381e883 25
Rohit Grover 9:5d693381e883 26 #define NEED_CONSOLE_OUTPUT 0 /* Set this if you need debug messages on the console;
Rohit Grover 22:299658c5fa3c 27 * it will have an impact on code-size and power consumption. */
Rohit Grover 9:5d693381e883 28
Rohit Grover 9:5d693381e883 29 #if NEED_CONSOLE_OUTPUT
Rohit Grover 9:5d693381e883 30 Serial pc(USBTX, USBRX);
Rohit Grover 9:5d693381e883 31 #define DEBUG(...) { pc.printf(__VA_ARGS__); }
Rohit Grover 9:5d693381e883 32 #else
Rohit Grover 9:5d693381e883 33 #define DEBUG(...) /* nothing */
Rohit Grover 9:5d693381e883 34 #endif /* #if NEED_CONSOLE_OUTPUT */
ktownsend 0:87a7fc231fae 35
rgrover1 43:dbb025ed4a55 36 const static char DEVICE_NAME[] = "HRMonitor";
rgrover1 42:06ebef2e0e44 37 static const uint16_t uuid16_list[] = {GattService::UUID_HEART_RATE_SERVICE,
rgrover1 42:06ebef2e0e44 38 GattService::UUID_BATTERY_SERVICE,
rgrover1 42:06ebef2e0e44 39 GattService::UUID_DEVICE_INFORMATION_SERVICE};
rgrover1 39:6390604f904c 40 static volatile bool triggerSensorPolling = false;
Rohit Grover 36:ea2a1b4f51c1 41
rgrover1 41:9cef0129da5f 42 void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
ktownsend 0:87a7fc231fae 43 {
Rohit Grover 35:ba3e3174331a 44 DEBUG("Disconnected handle %u!\n\r", handle);
Rohit Grover 9:5d693381e883 45 DEBUG("Restarting the advertising process\n\r");
rgrover1 7:daab8ba5139e 46 ble.startAdvertising();
rgrover1 7:daab8ba5139e 47 }
Rohit Grover 3:24e2b056d229 48
Rohit Grover 11:1d9aafee4984 49 void periodicCallback(void)
Rohit Grover 11:1d9aafee4984 50 {
Rohit Grover 11:1d9aafee4984 51 led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
rgrover1 39:6390604f904c 52
rgrover1 39:6390604f904c 53 /* Note that the periodicCallback() executes in interrupt context, so it is safer to do
rgrover1 39:6390604f904c 54 * heavy-weight sensor polling from the main thread. */
rgrover1 39:6390604f904c 55 triggerSensorPolling = true;
Rohit Grover 11:1d9aafee4984 56 }
Rohit Grover 11:1d9aafee4984 57
ktownsend 0:87a7fc231fae 58 int main(void)
ktownsend 0:87a7fc231fae 59 {
Rohit Grover 3:24e2b056d229 60 led1 = 1;
Rohit Grover 11:1d9aafee4984 61 Ticker ticker;
Rohit Grover 11:1d9aafee4984 62 ticker.attach(periodicCallback, 1);
ktownsend 0:87a7fc231fae 63
Rohit Grover 15:7ba28817e31e 64 DEBUG("Initialising the nRF51822\n\r");
Rohit Grover 15:7ba28817e31e 65 ble.init();
rgrover1 7:daab8ba5139e 66 ble.onDisconnection(disconnectionCallback);
ktownsend 0:87a7fc231fae 67
Rohit Grover 15:7ba28817e31e 68 /* setup advertising */
Rohit Grover 29:76d865c718a6 69 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
rgrover1 40:e73130c6f2bb 70 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
rgrover1 42:06ebef2e0e44 71 ble.accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_HEART_RATE_SENSOR);
Rohit Grover 29:76d865c718a6 72 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
rgrover1 7:daab8ba5139e 73 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
rgrover1 40:e73130c6f2bb 74 ble.setAdvertisingInterval(1600); /* 1000ms; in multiples of 0.625ms. */
rgrover1 7:daab8ba5139e 75 ble.startAdvertising();
Rohit Grover 3:24e2b056d229 76
rgrover1 40:e73130c6f2bb 77 uint8_t hrmCounter = 100;
rgrover1 41:9cef0129da5f 78 HeartRateService hrService(ble, hrmCounter, HeartRateService::LOCATION_FINGER);
rgrover1 42:06ebef2e0e44 79 BatteryService battery(ble);
rgrover1 43:dbb025ed4a55 80 DeviceInformationService deviceInfo(ble, "ARM", "Model1", "SN1", "hw-rev1", "fw-rev1", "soft-rev1");
rgrover1 42:06ebef2e0e44 81
Rohit Grover 11:1d9aafee4984 82 while (true) {
Rohit Grover 36:ea2a1b4f51c1 83 if (triggerSensorPolling) {
Rohit Grover 36:ea2a1b4f51c1 84 triggerSensorPolling = false;
Rohit Grover 36:ea2a1b4f51c1 85
Rohit Grover 36:ea2a1b4f51c1 86 /* Do blocking calls or whatever is necessary for sensor polling. */
Rohit Grover 36:ea2a1b4f51c1 87 /* In our case, we simply update the dummy HRM measurement. */
Rohit Grover 36:ea2a1b4f51c1 88 hrmCounter++;
Rohit Grover 36:ea2a1b4f51c1 89 if (hrmCounter == 175) {
Rohit Grover 36:ea2a1b4f51c1 90 hrmCounter = 100;
Rohit Grover 36:ea2a1b4f51c1 91 }
Rohit Grover 36:ea2a1b4f51c1 92
rgrover1 39:6390604f904c 93 hrService.updateHeartRate(hrmCounter);
Rohit Grover 36:ea2a1b4f51c1 94 } else {
Rohit Grover 36:ea2a1b4f51c1 95 ble.waitForEvent();
Rohit Grover 36:ea2a1b4f51c1 96 }
ktownsend 0:87a7fc231fae 97 }
ktownsend 0:87a7fc231fae 98 }