Delta / Mbed 2 deprecated BLE_Glucose_Demo

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

main.cpp@30:3dc9e6f2bc8c, 2014-07-04 (annotated)

Committer:
Rohit Grover
Date:
Fri Jul 04 15:10:19 2014 +0100
Revision:
30:3dc9e6f2bc8c
Parent:
29:76d865c718a6
Child:
33:e63df636d3b2
remove the battery-level and device-information services

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"
ktownsend 0:87a7fc231fae 19
Rohit Grover 10:2436164b692e 20 BLEDevice ble;
Rohit Grover 3:24e2b056d229 21 DigitalOut led1(LED1);
Rohit Grover 9:5d693381e883 22
Rohit Grover 9:5d693381e883 23 #define NEED_CONSOLE_OUTPUT 0 /* Set this if you need debug messages on the console;
Rohit Grover 22:299658c5fa3c 24 * it will have an impact on code-size and power consumption. */
Rohit Grover 9:5d693381e883 25
Rohit Grover 9:5d693381e883 26 #if NEED_CONSOLE_OUTPUT
Rohit Grover 9:5d693381e883 27 Serial pc(USBTX, USBRX);
Rohit Grover 9:5d693381e883 28 #define DEBUG(...) { pc.printf(__VA_ARGS__); }
Rohit Grover 9:5d693381e883 29 #else
Rohit Grover 9:5d693381e883 30 #define DEBUG(...) /* nothing */
Rohit Grover 9:5d693381e883 31 #endif /* #if NEED_CONSOLE_OUTPUT */
ktownsend 0:87a7fc231fae 32
Rohit Grover 29:76d865c718a6 33 const static char DEVICE_NAME[] = "Nordic_HRM";
Rohit Grover 26:e6ad33b227c6 34
ktownsend 0:87a7fc231fae 35 /* Heart Rate Service */
ktownsend 0:87a7fc231fae 36 /* Service: https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.heart_rate.xml */
ktownsend 0:87a7fc231fae 37 /* HRM Char: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml */
ktownsend 0:87a7fc231fae 38 /* Location: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.body_sensor_location.xml */
Rohit Grover 18:8a2e313f49cb 39 static uint8_t hrmCounter = 100;
Rohit Grover 18:8a2e313f49cb 40 static uint8_t bpm[2] = {0x00, hrmCounter};
Rohit Grover 20:58bff62d0f7a 41 GattCharacteristic hrmRate(GattCharacteristic::UUID_HEART_RATE_MEASUREMENT_CHAR, bpm, sizeof(bpm), sizeof(bpm),
Rohit Grover 20:58bff62d0f7a 42 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
Rohit Grover 18:8a2e313f49cb 43 static const uint8_t location = 0x03; /* Finger */
Rohit Grover 18:8a2e313f49cb 44 GattCharacteristic hrmLocation(GattCharacteristic::UUID_BODY_SENSOR_LOCATION_CHAR,
Rohit Grover 18:8a2e313f49cb 45 (uint8_t *)&location, sizeof(location), sizeof(location),
Rohit Grover 18:8a2e313f49cb 46 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
Rohit Grover 22:299658c5fa3c 47 GattCharacteristic *hrmChars[] = {&hrmRate, &hrmLocation, };
Rohit Grover 19:1713b11694ea 48 GattService hrmService(GattService::UUID_HEART_RATE_SERVICE, hrmChars, sizeof(hrmChars) / sizeof(GattCharacteristic *));
ktownsend 0:87a7fc231fae 49
Rohit Grover 30:3dc9e6f2bc8c 50 static const uint16_t uuid16_list[] = {GattService::UUID_HEART_RATE_SERVICE};
Rohit Grover 27:97adf2b76b9c 51
rgrover1 7:daab8ba5139e 52 void disconnectionCallback(void)
ktownsend 0:87a7fc231fae 53 {
Rohit Grover 9:5d693381e883 54 DEBUG("Disconnected!\n\r");
Rohit Grover 9:5d693381e883 55 DEBUG("Restarting the advertising process\n\r");
rgrover1 7:daab8ba5139e 56 ble.startAdvertising();
rgrover1 7:daab8ba5139e 57 }
Rohit Grover 3:24e2b056d229 58
Rohit Grover 13:3ca2045597e7 59 /**
Rohit Grover 22:299658c5fa3c 60 * Triggered periodically by the 'ticker' interrupt; updates hrmCounter.
Rohit Grover 13:3ca2045597e7 61 */
Rohit Grover 11:1d9aafee4984 62 void periodicCallback(void)
Rohit Grover 11:1d9aafee4984 63 {
Rohit Grover 11:1d9aafee4984 64 led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
Rohit Grover 11:1d9aafee4984 65
Rohit Grover 11:1d9aafee4984 66 if (ble.getGapState().connected) {
Rohit Grover 11:1d9aafee4984 67 /* Update the HRM measurement */
Rohit Grover 11:1d9aafee4984 68 /* First byte = 8-bit values, no extra info, Second byte = uint8_t HRM value */
Rohit Grover 11:1d9aafee4984 69 /* See --> https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml */
Rohit Grover 11:1d9aafee4984 70 hrmCounter++;
Rohit Grover 11:1d9aafee4984 71 if (hrmCounter == 175) {
Rohit Grover 11:1d9aafee4984 72 hrmCounter = 100;
Rohit Grover 11:1d9aafee4984 73 }
Rohit Grover 18:8a2e313f49cb 74 bpm[1] = hrmCounter;
Rohit Grover 11:1d9aafee4984 75 ble.updateCharacteristicValue(hrmRate.getHandle(), bpm, sizeof(bpm));
Rohit Grover 11:1d9aafee4984 76 }
Rohit Grover 11:1d9aafee4984 77 }
Rohit Grover 11:1d9aafee4984 78
ktownsend 0:87a7fc231fae 79 int main(void)
ktownsend 0:87a7fc231fae 80 {
Rohit Grover 3:24e2b056d229 81 led1 = 1;
Rohit Grover 11:1d9aafee4984 82 Ticker ticker;
Rohit Grover 11:1d9aafee4984 83 ticker.attach(periodicCallback, 1);
ktownsend 0:87a7fc231fae 84
Rohit Grover 15:7ba28817e31e 85 DEBUG("Initialising the nRF51822\n\r");
Rohit Grover 15:7ba28817e31e 86 ble.init();
rgrover1 7:daab8ba5139e 87 ble.onDisconnection(disconnectionCallback);
ktownsend 0:87a7fc231fae 88
Rohit Grover 15:7ba28817e31e 89 /* setup advertising */
Rohit Grover 29:76d865c718a6 90 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
Rohit Grover 27:97adf2b76b9c 91 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t*)uuid16_list, sizeof(uuid16_list));
rgrover1 7:daab8ba5139e 92 ble.accumulateAdvertisingPayload(GapAdvertisingData::HEART_RATE_SENSOR_HEART_RATE_BELT);
Rohit Grover 29:76d865c718a6 93 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
rgrover1 7:daab8ba5139e 94 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
rgrover1 7:daab8ba5139e 95 ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */
rgrover1 7:daab8ba5139e 96 ble.startAdvertising();
Rohit Grover 3:24e2b056d229 97
Rohit Grover 11:1d9aafee4984 98 ble.addService(hrmService);
ktownsend 0:87a7fc231fae 99
Rohit Grover 11:1d9aafee4984 100 while (true) {
Rohit Grover 11:1d9aafee4984 101 ble.waitForEvent();
ktownsend 0:87a7fc231fae 102 }
ktownsend 0:87a7fc231fae 103 }