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
- Committer:
- tomg
- Date:
- 2016-05-27
- Revision:
- 10:d391a5f1df7c
- Parent:
- 9:b1cde75ccbbc
- Child:
- 11:70342535895d
File content as of revision 10:d391a5f1df7c:
/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "mbed.h" #include "BLE.h" #include "HeartRateSecService.h" #include "DeviceInformationService.h" BLE ble; DigitalOut led1(LED1); const static char DEVICE_NAME[] = "UWOT"; static const uint16_t uuid16_list[] = {GattService::UUID_HEART_RATE_SERVICE, GattService::UUID_DEVICE_INFORMATION_SERVICE}; static volatile bool triggerSensorPolling = false; Gap::Handle_t connectionHandle; void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) { if (params->handle == connectionHandle) { printf("Disconnected from %i!\r\n", params->handle); connectionHandle = 0; } else { printf("Disconnected from handle %i while state claims handle %i\r\n", params->handle, connectionHandle); } ble.startAdvertising(); // restart advertising } void periodicCallback(void) { led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */ /* Note that the periodicCallback() executes in interrupt context, so it is safer to do * heavy-weight sensor polling from the main thread. */ triggerSensorPolling = true; } void connectionCallback(const Gap::ConnectionCallbackParams_t *params) { // connection handle is: connectionHandle = params ? params->handle : NULL; printf("Connected to %i!\r\n", connectionHandle); } void passkeyDisplayCallback(Gap::Handle_t handle, const SecurityManager::Passkey_t passkey) { printf("Input passKey: "); for (unsigned i = 0; i < Gap::ADDR_LEN; i++) { printf("%c ", passkey[i]); } printf("\r\n"); } void securitySetupCompletedCallback(Gap::Handle_t handle, SecurityManager::SecurityCompletionStatus_t status) { if (status == SecurityManager::SEC_STATUS_SUCCESS) { printf("Security success\r\n"); } else { printf("Security failed\r\n"); } } int main(void) { led1 = 1; Ticker ticker; ticker.attach(periodicCallback, 1); // blink LED every second /* Initialize BLE module */ ble.init(); /* Initialize BLE security */ bool enableBonding = true; bool requireMITM = true; uint8_t pass[] = {'0', '1', '2', '3', '4', '5', '6'}; ble.securityManager().init(enableBonding, requireMITM, SecurityManager::IO_CAPS_DISPLAY_ONLY, pass); /* Set callback functions */ ble.gap().onConnection(connectionCallback); ble.gap().onDisconnection(disconnectionCallback); ble.securityManager().onPasskeyDisplay(passkeyDisplayCallback); ble.securityManager().onSecuritySetupCompleted(securitySetupCompletedCallback); /* Setup primary service. */ uint8_t hrmCounter = 100; // init HRM to 100bps HeartRateSecService hrService(ble, hrmCounter, HeartRateSecService::LOCATION_FINGER); /* Setup auxiliary service. */ DeviceInformationService deviceInfo(ble, "ARM", "Model1", "SN1", "hw-rev1", "fw-rev1", "soft-rev1"); /* Setup advertising. */ ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_HEART_RATE_SENSOR); ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); ble.gap().setAdvertisingInterval(1000); ble.gap().startAdvertising(); // infinite loop while (1) { // check for trigger from periodicCallback() if (triggerSensorPolling && ble.getGapState().connected) { triggerSensorPolling = false; // Do blocking calls or whatever is necessary for sensor polling. // In our case, we simply update the HRM measurement. hrmCounter++; // 100 <= HRM bps <=175 if (hrmCounter == 175) { hrmCounter = 100; } // update bps hrService.updateHeartRate(hrmCounter); // DEBUG output hrService.outputSecurityStatus(connectionHandle); } else { ble.waitForEvent(); // low power wait for event } } }