Technicus Spiriticus / Mbed 2 deprecated BLE_IoT_on_Wheels_Design_Challenge

We are making a bluetooth application for a vehicle.

Dependencies:   BLE_API X_NUCLEO_IDB0XA1 mbed

Fork of BLE_HeartRate_IDB0XA1 by ST

main.cpp@24:d352571b1c1f, 2017-06-27 (annotated)

Committer:
bobbaddeley
Date:
Tue Jun 27 17:29:28 2017 +0000
Revision:
24:d352571b1c1f
Parent:
23:a31b178e2263
Child:
25:cb54da929d9a
Much of the BLE code required.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:eb7f02ad28a7 1 /* mbed Microcontroller Library
screamer 0:eb7f02ad28a7 2 * Copyright (c) 2006-2015 ARM Limited
screamer 0:eb7f02ad28a7 3 *
screamer 0:eb7f02ad28a7 4 * Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:eb7f02ad28a7 5 * you may not use this file except in compliance with the License.
screamer 0:eb7f02ad28a7 6 * You may obtain a copy of the License at
screamer 0:eb7f02ad28a7 7 *
screamer 0:eb7f02ad28a7 8 * http://www.apache.org/licenses/LICENSE-2.0
screamer 0:eb7f02ad28a7 9 *
screamer 0:eb7f02ad28a7 10 * Unless required by applicable law or agreed to in writing, software
screamer 0:eb7f02ad28a7 11 * distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:eb7f02ad28a7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:eb7f02ad28a7 13 * See the License for the specific language governing permissions and
screamer 0:eb7f02ad28a7 14 * limitations under the License.
screamer 0:eb7f02ad28a7 15 */
screamer 0:eb7f02ad28a7 16
screamer 0:eb7f02ad28a7 17 #include "mbed.h"
screamer 0:eb7f02ad28a7 18 #include "ble/BLE.h"
bobbaddeley 23:a31b178e2263 19 #include "bike_service.h"
bobbaddeley 23:a31b178e2263 20 #include "ble/services/BatteryService.h"
screamer 0:eb7f02ad28a7 21
apalmieri 13:227a0149b677 22 DigitalOut led1(LED1, 1);
screamer 0:eb7f02ad28a7 23
bobbaddeley 23:a31b178e2263 24 const static char DEVICE_NAME[] = "HeckBike";
bobbaddeley 24:d352571b1c1f 25 static const uint16_t uuid16_list[] = {GattService::UUID_BATTERY_SERVICE,
bobbaddeley 23:a31b178e2263 26 0x8EC5};//made up UUID for the Heck bike
apalmieri 13:227a0149b677 27
bobbaddeley 23:a31b178e2263 28 uint8_t inputs = 0x00;
bobbaddeley 23:a31b178e2263 29 uint8_t outputs = 0x00;
bobbaddeley 23:a31b178e2263 30 uint32_t timestamp = 0x00;
bobbaddeley 23:a31b178e2263 31
screamer 0:eb7f02ad28a7 32 static volatile bool triggerSensorPolling = false;
screamer 0:eb7f02ad28a7 33
apalmieri 2:bc0c0d442a24 34 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
screamer 0:eb7f02ad28a7 35 {
apalmieri 13:227a0149b677 36 (void)params;
apalmieri 13:227a0149b677 37 BLE::Instance().gap().startAdvertising(); // restart advertising
screamer 0:eb7f02ad28a7 38 }
screamer 0:eb7f02ad28a7 39
screamer 0:eb7f02ad28a7 40 void periodicCallback(void)
screamer 0:eb7f02ad28a7 41 {
screamer 0:eb7f02ad28a7 42 led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
screamer 0:eb7f02ad28a7 43 /* Note that the periodicCallback() executes in interrupt context, so it is safer to do
screamer 0:eb7f02ad28a7 44 * heavy-weight sensor polling from the main thread. */
screamer 0:eb7f02ad28a7 45 triggerSensorPolling = true;
screamer 0:eb7f02ad28a7 46 }
screamer 0:eb7f02ad28a7 47
apalmieri 13:227a0149b677 48 void onBleInitError(BLE &ble, ble_error_t error)
apalmieri 13:227a0149b677 49 {
apalmieri 13:227a0149b677 50 (void)ble;
apalmieri 13:227a0149b677 51 (void)error;
apalmieri 13:227a0149b677 52 /* Initialization error handling should go here */
apalmieri 13:227a0149b677 53 }
apalmieri 13:227a0149b677 54
Technicus 22:985657fc70c8 55 void onDataWrittenCallback(const GattWriteCallbackParams *params) {
bobbaddeley 24:d352571b1c1f 56 //if (params->handle == BikeService.outputs.getValueAttribute().getHandle()) {
bobbaddeley 24:d352571b1c1f 57 //BOB Should update the outputs.
bobbaddeley 24:d352571b1c1f 58 outputs = *(params->data);
bobbaddeley 24:d352571b1c1f 59 //}
Technicus 22:985657fc70c8 60 }
Technicus 22:985657fc70c8 61
apalmieri 13:227a0149b677 62 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
screamer 0:eb7f02ad28a7 63 {
apalmieri 13:227a0149b677 64 BLE& ble = params->ble;
apalmieri 13:227a0149b677 65 ble_error_t error = params->error;
screamer 0:eb7f02ad28a7 66
apalmieri 13:227a0149b677 67 if (error != BLE_ERROR_NONE) {
apalmieri 13:227a0149b677 68 onBleInitError(ble, error);
apalmieri 13:227a0149b677 69 return;
apalmieri 13:227a0149b677 70 }
apalmieri 13:227a0149b677 71
apalmieri 13:227a0149b677 72 if (ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
apalmieri 13:227a0149b677 73 return;
apalmieri 13:227a0149b677 74 }
apalmieri 13:227a0149b677 75
screamer 0:eb7f02ad28a7 76 ble.gap().onDisconnection(disconnectionCallback);
screamer 0:eb7f02ad28a7 77
Technicus 22:985657fc70c8 78 ble.gattServer().onDataWritten(onDataWrittenCallback);
screamer 0:eb7f02ad28a7 79 /* Setup primary service. */
bobbaddeley 24:d352571b1c1f 80 BikeService bikeService(ble);
bobbaddeley 23:a31b178e2263 81 /* Setup battery service. */
bobbaddeley 23:a31b178e2263 82 BatteryService btService(ble,100);
screamer 0:eb7f02ad28a7 83 /* Setup advertising. */
screamer 0:eb7f02ad28a7 84 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
screamer 0:eb7f02ad28a7 85 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
bobbaddeley 23:a31b178e2263 86 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_CYCLING);
screamer 0:eb7f02ad28a7 87 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
screamer 0:eb7f02ad28a7 88 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
screamer 0:eb7f02ad28a7 89 ble.gap().setAdvertisingInterval(1000); /* 1000ms */
screamer 0:eb7f02ad28a7 90 ble.gap().startAdvertising();
screamer 0:eb7f02ad28a7 91
screamer 0:eb7f02ad28a7 92 // infinite loop
apalmieri 13:227a0149b677 93 while (true) {
screamer 0:eb7f02ad28a7 94 // check for trigger from periodicCallback()
screamer 0:eb7f02ad28a7 95 if (triggerSensorPolling && ble.getGapState().connected) {
screamer 0:eb7f02ad28a7 96 triggerSensorPolling = false;
screamer 0:eb7f02ad28a7 97
bobbaddeley 24:d352571b1c1f 98 // let's update our fake inputs.
bobbaddeley 24:d352571b1c1f 99 inputs++;
bobbaddeley 24:d352571b1c1f 100 if (inputs == 100) {
bobbaddeley 24:d352571b1c1f 101 inputs = 0;
screamer 0:eb7f02ad28a7 102 }
screamer 0:eb7f02ad28a7 103
bobbaddeley 24:d352571b1c1f 104 // update the ble with the inputs
bobbaddeley 24:d352571b1c1f 105 bikeService.updateInputs(inputs);
screamer 0:eb7f02ad28a7 106 } else {
screamer 0:eb7f02ad28a7 107 ble.waitForEvent(); // low power wait for event
screamer 0:eb7f02ad28a7 108 }
screamer 0:eb7f02ad28a7 109 }
screamer 0:eb7f02ad28a7 110 }
apalmieri 13:227a0149b677 111
apalmieri 13:227a0149b677 112 int main(void)
apalmieri 13:227a0149b677 113 {
apalmieri 13:227a0149b677 114 Ticker ticker;
apalmieri 13:227a0149b677 115 ticker.attach(periodicCallback, 1); // blink LED every second
apalmieri 13:227a0149b677 116
apalmieri 13:227a0149b677 117 BLE::Instance().init(bleInitComplete);
apalmieri 13:227a0149b677 118 }
apalmieri 14:f715c13eb84f 119