Fork of BLE_SecureHeartRate : should this 'work' i.e. require a secure connection on an nRF51-DK? Hopefully I'm just missing something obvious - or is this broken?
Dependencies: BLE_API mbed nRF51822
Fork of BLE_SecureHeartRate by
main.cpp@3:b852bf8d6fad, 2015-06-04 (annotated)
- Committer:
- rgrover1
- Date:
- Thu Jun 04 08:02:36 2015 +0000
- Revision:
- 3:b852bf8d6fad
- Parent:
- 2:2d9d4b271af8
- Child:
- 5:ed2cb43f3589
minor mods based on Xiao's original work.
Who changed what in which revision?
User | Revision | Line number | New 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" |
rgrover1 | 3:b852bf8d6fad | 19 | #include "HeartRateSecService.h" |
sunsmile2015 | 0:4f367a344480 | 20 | #include "DeviceInformationService.h" |
sunsmile2015 | 0:4f367a344480 | 21 | |
sunsmile2015 | 0:4f367a344480 | 22 | BLEDevice ble; |
sunsmile2015 | 0:4f367a344480 | 23 | DigitalOut led1(LED1); |
sunsmile2015 | 0:4f367a344480 | 24 | |
sunsmile2015 | 2:2d9d4b271af8 | 25 | const static char DEVICE_NAME[] = "HRM_SEC"; |
sunsmile2015 | 0:4f367a344480 | 26 | static const uint16_t uuid16_list[] = {GattService::UUID_HEART_RATE_SERVICE, |
sunsmile2015 | 0:4f367a344480 | 27 | GattService::UUID_DEVICE_INFORMATION_SERVICE}; |
sunsmile2015 | 0:4f367a344480 | 28 | static volatile bool triggerSensorPolling = false; |
sunsmile2015 | 0:4f367a344480 | 29 | |
sunsmile2015 | 0:4f367a344480 | 30 | void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) |
sunsmile2015 | 0:4f367a344480 | 31 | { |
sunsmile2015 | 2:2d9d4b271af8 | 32 | printf("Disconnected!\r\n"); |
sunsmile2015 | 0:4f367a344480 | 33 | ble.startAdvertising(); // restart advertising |
sunsmile2015 | 0:4f367a344480 | 34 | } |
sunsmile2015 | 0:4f367a344480 | 35 | |
sunsmile2015 | 0:4f367a344480 | 36 | void periodicCallback(void) |
sunsmile2015 | 0:4f367a344480 | 37 | { |
sunsmile2015 | 0:4f367a344480 | 38 | led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */ |
sunsmile2015 | 0:4f367a344480 | 39 | |
sunsmile2015 | 0:4f367a344480 | 40 | /* Note that the periodicCallback() executes in interrupt context, so it is safer to do |
sunsmile2015 | 0:4f367a344480 | 41 | * heavy-weight sensor polling from the main thread. */ |
sunsmile2015 | 0:4f367a344480 | 42 | triggerSensorPolling = true; |
sunsmile2015 | 0:4f367a344480 | 43 | } |
sunsmile2015 | 2:2d9d4b271af8 | 44 | |
sunsmile2015 | 1:52c48814da8e | 45 | void connectionCallback(Gap::Handle_t handle, Gap::addr_type_t peerAddrType, const Gap::Address_t peerAddr, |
rgrover1 | 3:b852bf8d6fad | 46 | Gap::addr_type_t ownAddrType, const Gap::Address_t ownAddr, |
rgrover1 | 3:b852bf8d6fad | 47 | const Gap::ConnectionParams_t * pParam) |
sunsmile2015 | 1:52c48814da8e | 48 | { |
sunsmile2015 | 2:2d9d4b271af8 | 49 | printf("Connected!\r\n"); |
sunsmile2015 | 1:52c48814da8e | 50 | } |
sunsmile2015 | 1:52c48814da8e | 51 | |
sunsmile2015 | 1:52c48814da8e | 52 | void passkeyDisplayCallback(Gap::Handle_t handle, const Gap::Passkey_t passkey) |
sunsmile2015 | 1:52c48814da8e | 53 | { |
sunsmile2015 | 1:52c48814da8e | 54 | printf("Input passKey: "); |
rgrover1 | 3:b852bf8d6fad | 55 | for (unsigned i = 0; i < Gap::ADDR_LEN; i++) { |
sunsmile2015 | 2:2d9d4b271af8 | 56 | printf("%c ", passkey[i]); |
sunsmile2015 | 2:2d9d4b271af8 | 57 | } |
sunsmile2015 | 2:2d9d4b271af8 | 58 | printf("\r\n"); |
sunsmile2015 | 2:2d9d4b271af8 | 59 | } |
sunsmile2015 | 2:2d9d4b271af8 | 60 | |
sunsmile2015 | 2:2d9d4b271af8 | 61 | void securitySetupCompletedCallback(Gap::Handle_t handle, Gap::SecurityCompletionStatus_t status) |
sunsmile2015 | 2:2d9d4b271af8 | 62 | { |
rgrover1 | 3:b852bf8d6fad | 63 | if (status == Gap::SEC_STATUS_SUCCESS) { |
sunsmile2015 | 2:2d9d4b271af8 | 64 | printf("Security success\r\n", status); |
sunsmile2015 | 2:2d9d4b271af8 | 65 | } else { |
sunsmile2015 | 2:2d9d4b271af8 | 66 | printf("Security failed\r\n", status); |
sunsmile2015 | 1:52c48814da8e | 67 | } |
sunsmile2015 | 1:52c48814da8e | 68 | } |
sunsmile2015 | 1:52c48814da8e | 69 | |
sunsmile2015 | 0:4f367a344480 | 70 | int main(void) |
sunsmile2015 | 0:4f367a344480 | 71 | { |
sunsmile2015 | 0:4f367a344480 | 72 | led1 = 1; |
sunsmile2015 | 0:4f367a344480 | 73 | Ticker ticker; |
sunsmile2015 | 0:4f367a344480 | 74 | ticker.attach(periodicCallback, 1); // blink LED every second |
sunsmile2015 | 2:2d9d4b271af8 | 75 | |
sunsmile2015 | 2:2d9d4b271af8 | 76 | /* Initialize BLE module */ |
sunsmile2015 | 0:4f367a344480 | 77 | ble.init(); |
sunsmile2015 | 2:2d9d4b271af8 | 78 | |
sunsmile2015 | 2:2d9d4b271af8 | 79 | /* Initialize BLE security */ |
rgrover1 | 3:b852bf8d6fad | 80 | bool enableBonding = true; |
rgrover1 | 3:b852bf8d6fad | 81 | bool requireMITM = true; |
rgrover1 | 3:b852bf8d6fad | 82 | ble.initializeSecurity(enableBonding, requireMITM, Gap::IO_CAPS_DISPLAY_ONLY); |
sunsmile2015 | 2:2d9d4b271af8 | 83 | |
sunsmile2015 | 2:2d9d4b271af8 | 84 | /* Set callback functions */ |
sunsmile2015 | 1:52c48814da8e | 85 | ble.onConnection(connectionCallback); |
sunsmile2015 | 0:4f367a344480 | 86 | ble.onDisconnection(disconnectionCallback); |
sunsmile2015 | 1:52c48814da8e | 87 | ble.onPasskeyDisplay(passkeyDisplayCallback); |
sunsmile2015 | 2:2d9d4b271af8 | 88 | ble.onSecuritySetupCompleted(securitySetupCompletedCallback); |
sunsmile2015 | 2:2d9d4b271af8 | 89 | |
sunsmile2015 | 0:4f367a344480 | 90 | /* Setup primary service. */ |
sunsmile2015 | 0:4f367a344480 | 91 | uint8_t hrmCounter = 100; // init HRM to 100bps |
sunsmile2015 | 2:2d9d4b271af8 | 92 | HeartRateSecService hrService(ble, hrmCounter, HeartRateSecService::LOCATION_FINGER); |
sunsmile2015 | 0:4f367a344480 | 93 | |
sunsmile2015 | 0:4f367a344480 | 94 | /* Setup auxiliary service. */ |
sunsmile2015 | 0:4f367a344480 | 95 | DeviceInformationService deviceInfo(ble, "ARM", "Model1", "SN1", "hw-rev1", "fw-rev1", "soft-rev1"); |
sunsmile2015 | 0:4f367a344480 | 96 | |
sunsmile2015 | 0:4f367a344480 | 97 | /* Setup advertising. */ |
sunsmile2015 | 0:4f367a344480 | 98 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
sunsmile2015 | 0:4f367a344480 | 99 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); |
sunsmile2015 | 0:4f367a344480 | 100 | ble.accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_HEART_RATE_SENSOR); |
sunsmile2015 | 0:4f367a344480 | 101 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); |
sunsmile2015 | 0:4f367a344480 | 102 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
sunsmile2015 | 0:4f367a344480 | 103 | ble.setAdvertisingInterval(1000); |
sunsmile2015 | 1:52c48814da8e | 104 | |
sunsmile2015 | 0:4f367a344480 | 105 | ble.startAdvertising(); |
sunsmile2015 | 0:4f367a344480 | 106 | |
sunsmile2015 | 0:4f367a344480 | 107 | // infinite loop |
sunsmile2015 | 0:4f367a344480 | 108 | while (1) { |
sunsmile2015 | 0:4f367a344480 | 109 | // check for trigger from periodicCallback() |
sunsmile2015 | 0:4f367a344480 | 110 | if (triggerSensorPolling && ble.getGapState().connected) { |
sunsmile2015 | 0:4f367a344480 | 111 | triggerSensorPolling = false; |
sunsmile2015 | 0:4f367a344480 | 112 | |
sunsmile2015 | 0:4f367a344480 | 113 | // Do blocking calls or whatever is necessary for sensor polling. |
sunsmile2015 | 0:4f367a344480 | 114 | // In our case, we simply update the HRM measurement. |
sunsmile2015 | 0:4f367a344480 | 115 | hrmCounter++; |
sunsmile2015 | 0:4f367a344480 | 116 | |
sunsmile2015 | 0:4f367a344480 | 117 | // 100 <= HRM bps <=175 |
sunsmile2015 | 0:4f367a344480 | 118 | if (hrmCounter == 175) { |
sunsmile2015 | 0:4f367a344480 | 119 | hrmCounter = 100; |
sunsmile2015 | 0:4f367a344480 | 120 | } |
sunsmile2015 | 0:4f367a344480 | 121 | |
sunsmile2015 | 0:4f367a344480 | 122 | // update bps |
sunsmile2015 | 0:4f367a344480 | 123 | hrService.updateHeartRate(hrmCounter); |
sunsmile2015 | 0:4f367a344480 | 124 | } else { |
sunsmile2015 | 0:4f367a344480 | 125 | ble.waitForEvent(); // low power wait for event |
sunsmile2015 | 0:4f367a344480 | 126 | } |
sunsmile2015 | 0:4f367a344480 | 127 | } |
rgrover1 | 3:b852bf8d6fad | 128 | } |