hr with 30102
Dependencies: BLE_API mbed X_NUCLEO_IDB0XA1
Fork of BLE_HeartRate by
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?
User | Revision | Line number | New 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 | } |