Bluetooth Low Energy / Mbed 2 deprecated BLE_SecureHeartRate

A simple demo around security APIs. Submitted by Xiao Sun.

Dependencies:   BLE_API mbed nRF51822

Fork of BLE_HeartRate_AddSec by xiao sun

main.cpp@1:52c48814da8e, 2015-06-02 (annotated)

Committer:
sunsmile2015
Date:
Tue Jun 02 08:14:51 2015 +0000
Revision:
1:52c48814da8e
Parent:
0:4f367a344480
Child:
2:2d9d4b271af8
first version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sunsmile2015 0:4f367a344480 1 /* mbed Microcontroller Library
sunsmile2015 0:4f367a344480 2 * Copyright (c) 2006-2013 ARM Limited
sunsmile2015 0:4f367a344480 3 *
sunsmile2015 0:4f367a344480 4 * Licensed under the Apache License, Version 2.0 (the "License");
sunsmile2015 0:4f367a344480 5 * you may not use this file except in compliance with the License.
sunsmile2015 0:4f367a344480 6 * You may obtain a copy of the License at
sunsmile2015 0:4f367a344480 7 *
sunsmile2015 0:4f367a344480 8 * http://www.apache.org/licenses/LICENSE-2.0
sunsmile2015 0:4f367a344480 9 *
sunsmile2015 0:4f367a344480 10 * Unless required by applicable law or agreed to in writing, software
sunsmile2015 0:4f367a344480 11 * distributed under the License is distributed on an "AS IS" BASIS,
sunsmile2015 0:4f367a344480 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sunsmile2015 0:4f367a344480 13 * See the License for the specific language governing permissions and
sunsmile2015 0:4f367a344480 14 * limitations under the License.
sunsmile2015 0:4f367a344480 15 */
sunsmile2015 0:4f367a344480 16
sunsmile2015 0:4f367a344480 17 #include "mbed.h"
sunsmile2015 0:4f367a344480 18 #include "BLEDevice.h"
sunsmile2015 0:4f367a344480 19 #include "HeartRateService.h"
sunsmile2015 0:4f367a344480 20 #include "DeviceInformationService.h"
sunsmile2015 0:4f367a344480 21
sunsmile2015 0:4f367a344480 22 /* Enable the following if you need to throttle the connection interval. This has
sunsmile2015 0:4f367a344480 23 * the effect of reducing energy consumption after a connection is made;
sunsmile2015 0:4f367a344480 24 * particularly for applications where the central may want a fast connection
sunsmile2015 0:4f367a344480 25 * interval.*/
sunsmile2015 0:4f367a344480 26 #define UPDATE_PARAMS_FOR_LONGER_CONNECTION_INTERVAL 0
sunsmile2015 0:4f367a344480 27
sunsmile2015 0:4f367a344480 28 BLEDevice ble;
sunsmile2015 0:4f367a344480 29 DigitalOut led1(LED1);
sunsmile2015 0:4f367a344480 30
sunsmile2015 0:4f367a344480 31 const static char DEVICE_NAME[] = "HRM1";
sunsmile2015 0:4f367a344480 32 static const uint16_t uuid16_list[] = {GattService::UUID_HEART_RATE_SERVICE,
sunsmile2015 0:4f367a344480 33 GattService::UUID_DEVICE_INFORMATION_SERVICE};
sunsmile2015 0:4f367a344480 34 static volatile bool triggerSensorPolling = false;
sunsmile2015 0:4f367a344480 35
sunsmile2015 0:4f367a344480 36 void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason)
sunsmile2015 0:4f367a344480 37 {
sunsmile2015 0:4f367a344480 38 ble.startAdvertising(); // restart advertising
sunsmile2015 0:4f367a344480 39 }
sunsmile2015 0:4f367a344480 40
sunsmile2015 0:4f367a344480 41 void periodicCallback(void)
sunsmile2015 0:4f367a344480 42 {
sunsmile2015 0:4f367a344480 43 led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
sunsmile2015 0:4f367a344480 44
sunsmile2015 0:4f367a344480 45 /* Note that the periodicCallback() executes in interrupt context, so it is safer to do
sunsmile2015 0:4f367a344480 46 * heavy-weight sensor polling from the main thread. */
sunsmile2015 0:4f367a344480 47 triggerSensorPolling = true;
sunsmile2015 0:4f367a344480 48 }
sunsmile2015 1:52c48814da8e 49 uint8_t KEY[6] = {0x01, 0x02, 0x00, 0x00, 0x00, 0x00};
sunsmile2015 1:52c48814da8e 50
sunsmile2015 1:52c48814da8e 51 void connectionCallback(Gap::Handle_t handle, Gap::addr_type_t peerAddrType, const Gap::Address_t peerAddr,
sunsmile2015 1:52c48814da8e 52 Gap::addr_type_t ownAddrType, const Gap::Address_t ownAddr,
sunsmile2015 1:52c48814da8e 53 const Gap::ConnectionParams_t * pParam)
sunsmile2015 1:52c48814da8e 54 {
sunsmile2015 1:52c48814da8e 55 printf("connected!\r\n");
sunsmile2015 1:52c48814da8e 56 }
sunsmile2015 1:52c48814da8e 57
sunsmile2015 1:52c48814da8e 58 void passkeyDisplayCallback(Gap::Handle_t handle, const Gap::Passkey_t passkey)
sunsmile2015 1:52c48814da8e 59 {
sunsmile2015 1:52c48814da8e 60 uint8_t i;
sunsmile2015 1:52c48814da8e 61
sunsmile2015 1:52c48814da8e 62 printf("Input passKey: ");
sunsmile2015 1:52c48814da8e 63 for(i = 0; i < 6; i++) {
sunsmile2015 1:52c48814da8e 64 printf("%d ", passkey[i]);
sunsmile2015 1:52c48814da8e 65 }
sunsmile2015 1:52c48814da8e 66 }
sunsmile2015 1:52c48814da8e 67
sunsmile2015 0:4f367a344480 68
sunsmile2015 0:4f367a344480 69 int main(void)
sunsmile2015 0:4f367a344480 70 {
sunsmile2015 0:4f367a344480 71 led1 = 1;
sunsmile2015 0:4f367a344480 72 Ticker ticker;
sunsmile2015 0:4f367a344480 73 ticker.attach(periodicCallback, 1); // blink LED every second
sunsmile2015 1:52c48814da8e 74 printf("Started\r\n");
sunsmile2015 0:4f367a344480 75 ble.init();
sunsmile2015 1:52c48814da8e 76 ble.initializeSecurity(true, true, Gap::IO_CAPS_DISPLAY_ONLY, NULL);
sunsmile2015 1:52c48814da8e 77 //ble.initializeSecurity();
sunsmile2015 1:52c48814da8e 78 ble.onConnection(connectionCallback);
sunsmile2015 0:4f367a344480 79 ble.onDisconnection(disconnectionCallback);
sunsmile2015 1:52c48814da8e 80 ble.onPasskeyDisplay(passkeyDisplayCallback);
sunsmile2015 0:4f367a344480 81 /* Setup primary service. */
sunsmile2015 0:4f367a344480 82 uint8_t hrmCounter = 100; // init HRM to 100bps
sunsmile2015 0:4f367a344480 83 HeartRateService hrService(ble, hrmCounter, HeartRateService::LOCATION_FINGER);
sunsmile2015 0:4f367a344480 84
sunsmile2015 0:4f367a344480 85 /* Setup auxiliary service. */
sunsmile2015 0:4f367a344480 86 DeviceInformationService deviceInfo(ble, "ARM", "Model1", "SN1", "hw-rev1", "fw-rev1", "soft-rev1");
sunsmile2015 0:4f367a344480 87
sunsmile2015 0:4f367a344480 88 /* Setup advertising. */
sunsmile2015 0:4f367a344480 89 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
sunsmile2015 0:4f367a344480 90 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
sunsmile2015 0:4f367a344480 91 ble.accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_HEART_RATE_SENSOR);
sunsmile2015 0:4f367a344480 92 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
sunsmile2015 0:4f367a344480 93 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
sunsmile2015 0:4f367a344480 94 ble.setAdvertisingInterval(1000);
sunsmile2015 1:52c48814da8e 95
sunsmile2015 0:4f367a344480 96 ble.startAdvertising();
sunsmile2015 0:4f367a344480 97
sunsmile2015 0:4f367a344480 98 // infinite loop
sunsmile2015 0:4f367a344480 99 while (1) {
sunsmile2015 0:4f367a344480 100 // check for trigger from periodicCallback()
sunsmile2015 0:4f367a344480 101 if (triggerSensorPolling && ble.getGapState().connected) {
sunsmile2015 0:4f367a344480 102 triggerSensorPolling = false;
sunsmile2015 0:4f367a344480 103
sunsmile2015 0:4f367a344480 104 // Do blocking calls or whatever is necessary for sensor polling.
sunsmile2015 0:4f367a344480 105 // In our case, we simply update the HRM measurement.
sunsmile2015 0:4f367a344480 106 hrmCounter++;
sunsmile2015 0:4f367a344480 107
sunsmile2015 0:4f367a344480 108 // 100 <= HRM bps <=175
sunsmile2015 0:4f367a344480 109 if (hrmCounter == 175) {
sunsmile2015 0:4f367a344480 110 hrmCounter = 100;
sunsmile2015 0:4f367a344480 111 }
sunsmile2015 0:4f367a344480 112
sunsmile2015 0:4f367a344480 113 // update bps
sunsmile2015 0:4f367a344480 114 hrService.updateHeartRate(hrmCounter);
sunsmile2015 0:4f367a344480 115 } else {
sunsmile2015 0:4f367a344480 116 ble.waitForEvent(); // low power wait for event
sunsmile2015 0:4f367a344480 117 }
sunsmile2015 0:4f367a344480 118 }
sunsmile2015 0:4f367a344480 119 }