Ciaran Doyle / Mbed OS BlueCrutch

Combines a working system to save force, acceleration and gyro data to an SD card in a MAX32630 with BLE_Heartrate taken from the mbed site.

Dependencies:   USBMSD_BD BMI160 HX711 max32630fthr USBDevice

source/main.cpp@0:fb66cae3e9a1, 2016-07-26 (annotated)

Committer:
Vincent Coubard
Date:
Tue Jul 26 14:45:32 2016 +0100
Revision:
0:fb66cae3e9a1
Child:
1:72c60abef7e7
Update example at tag mbed-os-5.0.1-rc1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vincent Coubard 0:fb66cae3e9a1 1 /* mbed Microcontroller Library
Vincent Coubard 0:fb66cae3e9a1 2 * Copyright (c) 2006-2015 ARM Limited
Vincent Coubard 0:fb66cae3e9a1 3 *
Vincent Coubard 0:fb66cae3e9a1 4 * Licensed under the Apache License, Version 2.0 (the "License");
Vincent Coubard 0:fb66cae3e9a1 5 * you may not use this file except in compliance with the License.
Vincent Coubard 0:fb66cae3e9a1 6 * You may obtain a copy of the License at
Vincent Coubard 0:fb66cae3e9a1 7 *
Vincent Coubard 0:fb66cae3e9a1 8 * http://www.apache.org/licenses/LICENSE-2.0
Vincent Coubard 0:fb66cae3e9a1 9 *
Vincent Coubard 0:fb66cae3e9a1 10 * Unless required by applicable law or agreed to in writing, software
Vincent Coubard 0:fb66cae3e9a1 11 * distributed under the License is distributed on an "AS IS" BASIS,
Vincent Coubard 0:fb66cae3e9a1 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Vincent Coubard 0:fb66cae3e9a1 13 * See the License for the specific language governing permissions and
Vincent Coubard 0:fb66cae3e9a1 14 * limitations under the License.
Vincent Coubard 0:fb66cae3e9a1 15 */
Vincent Coubard 0:fb66cae3e9a1 16
Vincent Coubard 0:fb66cae3e9a1 17 #include <mbed-events/events.h>
Vincent Coubard 0:fb66cae3e9a1 18 #include <mbed.h>
Vincent Coubard 0:fb66cae3e9a1 19 #include "ble/BLE.h"
Vincent Coubard 0:fb66cae3e9a1 20 #include "ble/Gap.h"
Vincent Coubard 0:fb66cae3e9a1 21 #include "ble/services/HeartRateService.h"
Vincent Coubard 0:fb66cae3e9a1 22
Vincent Coubard 0:fb66cae3e9a1 23 DigitalOut led1(LED1, 1);
Vincent Coubard 0:fb66cae3e9a1 24
Vincent Coubard 0:fb66cae3e9a1 25 const static char DEVICE_NAME[] = "HRM";
Vincent Coubard 0:fb66cae3e9a1 26 static const uint16_t uuid16_list[] = {GattService::UUID_HEART_RATE_SERVICE};
Vincent Coubard 0:fb66cae3e9a1 27
Vincent Coubard 0:fb66cae3e9a1 28 static uint8_t hrmCounter = 100; // init HRM to 100bps
Vincent Coubard 0:fb66cae3e9a1 29 static HeartRateService *hrServicePtr;
Vincent Coubard 0:fb66cae3e9a1 30
Vincent Coubard 0:fb66cae3e9a1 31 static EventQueue eventQueue(
Vincent Coubard 0:fb66cae3e9a1 32 /* event count */ 16 * /* event size */ 32
Vincent Coubard 0:fb66cae3e9a1 33 );
Vincent Coubard 0:fb66cae3e9a1 34
Vincent Coubard 0:fb66cae3e9a1 35 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
Vincent Coubard 0:fb66cae3e9a1 36 {
Vincent Coubard 0:fb66cae3e9a1 37 BLE::Instance().gap().startAdvertising(); // restart advertising
Vincent Coubard 0:fb66cae3e9a1 38 }
Vincent Coubard 0:fb66cae3e9a1 39
Vincent Coubard 0:fb66cae3e9a1 40 void updateSensorValue() {
Vincent Coubard 0:fb66cae3e9a1 41 // Do blocking calls or whatever is necessary for sensor polling.
Vincent Coubard 0:fb66cae3e9a1 42 // In our case, we simply update the HRM measurement.
Vincent Coubard 0:fb66cae3e9a1 43 hrmCounter++;
Vincent Coubard 0:fb66cae3e9a1 44
Vincent Coubard 0:fb66cae3e9a1 45 // 100 <= HRM bps <=175
Vincent Coubard 0:fb66cae3e9a1 46 if (hrmCounter == 175) {
Vincent Coubard 0:fb66cae3e9a1 47 hrmCounter = 100;
Vincent Coubard 0:fb66cae3e9a1 48 }
Vincent Coubard 0:fb66cae3e9a1 49
Vincent Coubard 0:fb66cae3e9a1 50 hrServicePtr->updateHeartRate(hrmCounter);
Vincent Coubard 0:fb66cae3e9a1 51 }
Vincent Coubard 0:fb66cae3e9a1 52
Vincent Coubard 0:fb66cae3e9a1 53 void periodicCallback(void)
Vincent Coubard 0:fb66cae3e9a1 54 {
Vincent Coubard 0:fb66cae3e9a1 55 led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
Vincent Coubard 0:fb66cae3e9a1 56
Vincent Coubard 0:fb66cae3e9a1 57 if (BLE::Instance().getGapState().connected) {
Vincent Coubard 0:fb66cae3e9a1 58 eventQueue.post(updateSensorValue);
Vincent Coubard 0:fb66cae3e9a1 59 }
Vincent Coubard 0:fb66cae3e9a1 60 }
Vincent Coubard 0:fb66cae3e9a1 61
Vincent Coubard 0:fb66cae3e9a1 62 void onBleInitError(BLE &ble, ble_error_t error)
Vincent Coubard 0:fb66cae3e9a1 63 {
Vincent Coubard 0:fb66cae3e9a1 64 (void)ble;
Vincent Coubard 0:fb66cae3e9a1 65 (void)error;
Vincent Coubard 0:fb66cae3e9a1 66 /* Initialization error handling should go here */
Vincent Coubard 0:fb66cae3e9a1 67 }
Vincent Coubard 0:fb66cae3e9a1 68
Vincent Coubard 0:fb66cae3e9a1 69 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
Vincent Coubard 0:fb66cae3e9a1 70 {
Vincent Coubard 0:fb66cae3e9a1 71 BLE& ble = params->ble;
Vincent Coubard 0:fb66cae3e9a1 72 ble_error_t error = params->error;
Vincent Coubard 0:fb66cae3e9a1 73
Vincent Coubard 0:fb66cae3e9a1 74 if (error != BLE_ERROR_NONE) {
Vincent Coubard 0:fb66cae3e9a1 75 onBleInitError(ble, error);
Vincent Coubard 0:fb66cae3e9a1 76 return;
Vincent Coubard 0:fb66cae3e9a1 77 }
Vincent Coubard 0:fb66cae3e9a1 78
Vincent Coubard 0:fb66cae3e9a1 79 if (ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
Vincent Coubard 0:fb66cae3e9a1 80 return;
Vincent Coubard 0:fb66cae3e9a1 81 }
Vincent Coubard 0:fb66cae3e9a1 82
Vincent Coubard 0:fb66cae3e9a1 83 ble.gap().onDisconnection(disconnectionCallback);
Vincent Coubard 0:fb66cae3e9a1 84
Vincent Coubard 0:fb66cae3e9a1 85 /* Setup primary service. */
Vincent Coubard 0:fb66cae3e9a1 86 hrServicePtr = new HeartRateService(ble, hrmCounter, HeartRateService::LOCATION_FINGER);
Vincent Coubard 0:fb66cae3e9a1 87
Vincent Coubard 0:fb66cae3e9a1 88 /* Setup advertising. */
Vincent Coubard 0:fb66cae3e9a1 89 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
Vincent Coubard 0:fb66cae3e9a1 90 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
Vincent Coubard 0:fb66cae3e9a1 91 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_HEART_RATE_SENSOR);
Vincent Coubard 0:fb66cae3e9a1 92 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
Vincent Coubard 0:fb66cae3e9a1 93 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
Vincent Coubard 0:fb66cae3e9a1 94 ble.gap().setAdvertisingInterval(1000); /* 1000ms */
Vincent Coubard 0:fb66cae3e9a1 95 ble.gap().startAdvertising();
Vincent Coubard 0:fb66cae3e9a1 96 }
Vincent Coubard 0:fb66cae3e9a1 97
Vincent Coubard 0:fb66cae3e9a1 98 void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) {
Vincent Coubard 0:fb66cae3e9a1 99 BLE &ble = BLE::Instance();
Vincent Coubard 0:fb66cae3e9a1 100 eventQueue.post(Callback<void()>(&ble, &BLE::processEvents));
Vincent Coubard 0:fb66cae3e9a1 101 }
Vincent Coubard 0:fb66cae3e9a1 102
Vincent Coubard 0:fb66cae3e9a1 103 int main()
Vincent Coubard 0:fb66cae3e9a1 104 {
Vincent Coubard 0:fb66cae3e9a1 105 eventQueue.post_every(periodicCallback, 500);
Vincent Coubard 0:fb66cae3e9a1 106
Vincent Coubard 0:fb66cae3e9a1 107 BLE &ble = BLE::Instance();
Vincent Coubard 0:fb66cae3e9a1 108 ble.onEventsToProcess(scheduleBleEventsProcessing);
Vincent Coubard 0:fb66cae3e9a1 109 ble.init(bleInitComplete);
Vincent Coubard 0:fb66cae3e9a1 110
Vincent Coubard 0:fb66cae3e9a1 111 while (true) {
Vincent Coubard 0:fb66cae3e9a1 112 eventQueue.dispatch();
Vincent Coubard 0:fb66cae3e9a1 113 }
Vincent Coubard 0:fb66cae3e9a1 114
Vincent Coubard 0:fb66cae3e9a1 115 return 0;
Vincent Coubard 0:fb66cae3e9a1 116 }