mirza sarwar / Mbed 2 deprecated BLE_HeartRate_30102

hr with 30102

Dependencies:   BLE_API mbed X_NUCLEO_IDB0XA1

Fork of BLE_HeartRate by Bluetooth Low Energy

main.cpp@80:808f6f367f45, 2017-07-30 (annotated)

Committer:
mssarwar
Date:
Sun Jul 30 05:52:57 2017 +0000
Revision:
80:808f6f367f45
Parent:
75:8128a06c0a21 
with 30102;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ktownsend 0:87a7fc231fae 1 /* mbed Microcontroller Library
rgrover1 67:b2d2dee347c0 2 * Copyright (c) 2006-2015 ARM Limited
ktownsend 0:87a7fc231fae 3 *
ktownsend 0:87a7fc231fae 4 * Licensed under the Apache License, Version 2.0 (the "License");
ktownsend 0:87a7fc231fae 5 * you may not use this file except in compliance with the License.
ktownsend 0:87a7fc231fae 6 * You may obtain a copy of the License at
ktownsend 0:87a7fc231fae 7 *
ktownsend 0:87a7fc231fae 8 * http://www.apache.org/licenses/LICENSE-2.0
ktownsend 0:87a7fc231fae 9 *
ktownsend 0:87a7fc231fae 10 * Unless required by applicable law or agreed to in writing, software
ktownsend 0:87a7fc231fae 11 * distributed under the License is distributed on an "AS IS" BASIS,
ktownsend 0:87a7fc231fae 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ktownsend 0:87a7fc231fae 13 * See the License for the specific language governing permissions and
ktownsend 0:87a7fc231fae 14 * limitations under the License.
ktownsend 0:87a7fc231fae 15 */
ktownsend 0:87a7fc231fae 16
ktownsend 0:87a7fc231fae 17 #include "mbed.h"
rgrover1 67:b2d2dee347c0 18 #include "ble/BLE.h"
rgrover1 67:b2d2dee347c0 19 #include "ble/services/HeartRateService.h"
rgrover1 67:b2d2dee347c0 20 #include "ble/services/BatteryService.h"
rgrover1 67:b2d2dee347c0 21 #include "ble/services/DeviceInformationService.h"
mssarwar 80:808f6f367f45 22 #include "MAX30102.h"
ktownsend 0:87a7fc231fae 23
rgrover1 47:430545f41113 24 DigitalOut led1(LED1);
ktownsend 0:87a7fc231fae 25
mssarwar 80:808f6f367f45 26 const static char DEVICE_NAME[] = "SPACE_CAKE";
rgrover1 42:06ebef2e0e44 27 static const uint16_t uuid16_list[] = {GattService::UUID_HEART_RATE_SERVICE,
rgrover1 42:06ebef2e0e44 28 GattService::UUID_DEVICE_INFORMATION_SERVICE};
rgrover1 39:6390604f904c 29 static volatile bool triggerSensorPolling = false;
Rohit Grover 36:ea2a1b4f51c1 30
rgrover1 72:99c283dfe28d 31 uint8_t hrmCounter = 100; // init HRM to 100bps
rgrover1 72:99c283dfe28d 32
mssarwar 80:808f6f367f45 33 uint8_t uch_dummy;
mssarwar 80:808f6f367f45 34
rgrover1 72:99c283dfe28d 35 HeartRateService *hrService;
rgrover1 72:99c283dfe28d 36 DeviceInformationService *deviceInfo;
rgrover1 72:99c283dfe28d 37
rgrover1 71:469dbde1a238 38 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
ktownsend 0:87a7fc231fae 39 {
rgrover1 73:49b6090478e2 40 BLE::Instance(BLE::DEFAULT_INSTANCE).gap().startAdvertising(); // restart advertising
rgrover1 7:daab8ba5139e 41 }
Rohit Grover 3:24e2b056d229 42
Rohit Grover 11:1d9aafee4984 43 void periodicCallback(void)
Rohit Grover 11:1d9aafee4984 44 {
rgrover1 47:430545f41113 45 led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
rgrover1 47:430545f41113 46
rgrover1 39:6390604f904c 47 /* Note that the periodicCallback() executes in interrupt context, so it is safer to do
rgrover1 39:6390604f904c 48 * heavy-weight sensor polling from the main thread. */
rgrover1 39:6390604f904c 49 triggerSensorPolling = true;
Rohit Grover 11:1d9aafee4984 50 }
Rohit Grover 11:1d9aafee4984 51
rgrover1 74:c9d58e7847c4 52 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
ktownsend 0:87a7fc231fae 53 {
rgrover1 74:c9d58e7847c4 54 BLE &ble = params->ble;
rgrover1 74:c9d58e7847c4 55 ble_error_t error = params->error;
rgrover1 74:c9d58e7847c4 56
rgrover1 72:99c283dfe28d 57 if (error != BLE_ERROR_NONE) {
rgrover1 72:99c283dfe28d 58 return;
rgrover1 72:99c283dfe28d 59 }
ktownsend 0:87a7fc231fae 60
rgrover1 65:cb76569f74f6 61 ble.gap().onDisconnection(disconnectionCallback);
ktownsend 0:87a7fc231fae 62
rgrover1 45:98c5a34b07a4 63 /* Setup primary service. */
mssarwar 80:808f6f367f45 64 hrService = new HeartRateService(ble, hrmCounter, HeartRateService::LOCATION_WRIST);
rgrover1 45:98c5a34b07a4 65
mbedAustin 55:3a7d497a3e03 66 /* Setup auxiliary service. */
rgrover1 72:99c283dfe28d 67 deviceInfo = new DeviceInformationService(ble, "ARM", "Model1", "SN1", "hw-rev1", "fw-rev1", "soft-rev1");
rgrover1 45:98c5a34b07a4 68
rgrover1 45:98c5a34b07a4 69 /* Setup advertising. */
rgrover1 65:cb76569f74f6 70 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
rgrover1 65:cb76569f74f6 71 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
rgrover1 65:cb76569f74f6 72 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_HEART_RATE_SENSOR);
rgrover1 65:cb76569f74f6 73 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
rgrover1 65:cb76569f74f6 74 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
rgrover1 67:b2d2dee347c0 75 ble.gap().setAdvertisingInterval(1000); /* 1000ms */
rgrover1 65:cb76569f74f6 76 ble.gap().startAdvertising();
rgrover1 72:99c283dfe28d 77 }
rgrover1 72:99c283dfe28d 78
rgrover1 72:99c283dfe28d 79 int main(void)
rgrover1 72:99c283dfe28d 80 {
rgrover1 72:99c283dfe28d 81 led1 = 1;
rgrover1 72:99c283dfe28d 82 Ticker ticker;
rgrover1 72:99c283dfe28d 83 ticker.attach(periodicCallback, 1); // blink LED every second
rgrover1 72:99c283dfe28d 84
rgrover1 73:49b6090478e2 85 BLE& ble = BLE::Instance(BLE::DEFAULT_INSTANCE);
rgrover1 72:99c283dfe28d 86 ble.init(bleInitComplete);
Rohit Grover 3:24e2b056d229 87
rgrover1 73:49b6090478e2 88 /* SpinWait for initialization to complete. This is necessary because the
rgrover1 73:49b6090478e2 89 * BLE object is used in the main loop below. */
vcoubard 75:8128a06c0a21 90 while (ble.hasInitialized() == false) { /* spin loop */ }
mssarwar 80:808f6f367f45 91
mssarwar 80:808f6f367f45 92 maxim_max30102_reset(); //resets the MAX30102
mssarwar 80:808f6f367f45 93
mssarwar 80:808f6f367f45 94 //read and clear status register
mssarwar 80:808f6f367f45 95 maxim_max30102_read_reg(0,&uch_dummy);
mssarwar 80:808f6f367f45 96
mssarwar 80:808f6f367f45 97 maxim_max30102_init(); //initializes the MAX30102
mssarwar 80:808f6f367f45 98
mbedAustin 55:3a7d497a3e03 99 // infinite loop
mbedAustin 55:3a7d497a3e03 100 while (1) {
mbedAustin 55:3a7d497a3e03 101 // check for trigger from periodicCallback()
rgrover1 50:477004d54431 102 if (triggerSensorPolling && ble.getGapState().connected) {
Rohit Grover 36:ea2a1b4f51c1 103 triggerSensorPolling = false;
Rohit Grover 36:ea2a1b4f51c1 104
mbedAustin 55:3a7d497a3e03 105 // Do blocking calls or whatever is necessary for sensor polling.
rgrover1 67:b2d2dee347c0 106 // In our case, we simply update the HRM measurement.
Rohit Grover 36:ea2a1b4f51c1 107 hrmCounter++;
rgrover1 72:99c283dfe28d 108 if (hrmCounter == 175) { // 100 <= HRM bps <=175
Rohit Grover 36:ea2a1b4f51c1 109 hrmCounter = 100;
Rohit Grover 36:ea2a1b4f51c1 110 }
rgrover1 67:b2d2dee347c0 111
rgrover1 72:99c283dfe28d 112 hrService->updateHeartRate(hrmCounter);
Rohit Grover 36:ea2a1b4f51c1 113 } else {
mbedAustin 55:3a7d497a3e03 114 ble.waitForEvent(); // low power wait for event
Rohit Grover 36:ea2a1b4f51c1 115 }
ktownsend 0:87a7fc231fae 116 }
ktownsend 0:87a7fc231fae 117 }