cycle speed and cadence service
Dependencies: BLE_API mbed nRF51822
Fork of Bluetooth_Heart_Rate_Monitor_dummy by
main.cpp@69:2018e8c1d998, 2015-05-08 (annotated)
- Committer:
- smigielski
- Date:
- Fri May 08 10:09:55 2015 +0000
- Revision:
- 69:2018e8c1d998
- Parent:
- 67:688f92dc0f49
- Child:
- 70:957972b63ae1
Change debounce time
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ktownsend | 0:87a7fc231fae | 1 | /* mbed Microcontroller Library |
ktownsend | 0:87a7fc231fae | 2 | * Copyright (c) 2006-2013 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" |
Rohit Grover |
10:2436164b692e | 18 | #include "BLEDevice.h" |
smigielski | 61:16f888838853 | 19 | #include "CycleSpeedCadenceService.h" |
rgrover1 | 42:06ebef2e0e44 | 20 | #include "DeviceInformationService.h" |
ktownsend | 0:87a7fc231fae | 21 | |
rgrover1 | 52:6bbf62943106 | 22 | /* Enable the following if you need to throttle the connection interval. This has |
rgrover1 | 52:6bbf62943106 | 23 | * the effect of reducing energy consumption after a connection is made; |
rgrover1 | 52:6bbf62943106 | 24 | * particularly for applications where the central may want a fast connection |
rgrover1 | 52:6bbf62943106 | 25 | * interval.*/ |
rgrover1 | 52:6bbf62943106 | 26 | #define UPDATE_PARAMS_FOR_LONGER_CONNECTION_INTERVAL 0 |
smigielski | 67:688f92dc0f49 | 27 | #define TICK_TIME 1.0/1024.0 |
smigielski | 69:2018e8c1d998 | 28 | #define DEBOUNCE_TIME 30 |
rgrover1 | 52:6bbf62943106 | 29 | |
Rohit Grover |
10:2436164b692e | 30 | BLEDevice ble; |
rgrover1 | 47:430545f41113 | 31 | DigitalOut led1(LED1); |
ktownsend | 0:87a7fc231fae | 32 | |
balczezzz | 62:2ea9997b5249 | 33 | const static char DEVICE_NAME[] = "CSC tracker"; |
smigielski | 61:16f888838853 | 34 | static const uint16_t uuid16_list[] = {GattService::UUID_CYCLING_SPEED_AND_CADENCE, |
rgrover1 | 42:06ebef2e0e44 | 35 | GattService::UUID_DEVICE_INFORMATION_SERVICE}; |
smigielski | 64:43e7ddf9dba5 | 36 | static volatile bool updateWheel = false; |
smigielski | 64:43e7ddf9dba5 | 37 | static volatile bool updateCrank = false; |
smigielski | 64:43e7ddf9dba5 | 38 | |
smigielski | 65:7f84fa8c59ac | 39 | InterruptIn wheelSwitch(p1); |
smigielski | 65:7f84fa8c59ac | 40 | InterruptIn crankSwitch(p2); |
smigielski | 65:7f84fa8c59ac | 41 | |
smigielski | 65:7f84fa8c59ac | 42 | Timer wheelDebounce; |
smigielski | 65:7f84fa8c59ac | 43 | Timer crankDebounce; |
smigielski | 65:7f84fa8c59ac | 44 | |
smigielski | 65:7f84fa8c59ac | 45 | |
smigielski | 64:43e7ddf9dba5 | 46 | static volatile uint32_t wheelCounter; |
smigielski | 64:43e7ddf9dba5 | 47 | static volatile uint16_t wheelEvent; |
smigielski | 64:43e7ddf9dba5 | 48 | static volatile uint16_t crankCounter; |
smigielski | 64:43e7ddf9dba5 | 49 | static volatile uint16_t crankEvent; |
smigielski | 64:43e7ddf9dba5 | 50 | static volatile uint16_t counter; |
Rohit Grover |
36:ea2a1b4f51c1 | 51 | |
rgrover1 | 41:9cef0129da5f | 52 | void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) |
ktownsend | 0:87a7fc231fae | 53 | { |
rgrover1 | 46:ee7c55907f36 | 54 | ble.startAdvertising(); // restart advertising |
rgrover1 | 7:daab8ba5139e | 55 | } |
Rohit Grover |
3:24e2b056d229 | 56 | |
Rohit Grover |
11:1d9aafee4984 | 57 | void periodicCallback(void) |
Rohit Grover |
11:1d9aafee4984 | 58 | { |
smigielski | 64:43e7ddf9dba5 | 59 | counter++; |
Rohit Grover |
11:1d9aafee4984 | 60 | } |
Rohit Grover |
11:1d9aafee4984 | 61 | |
smigielski | 65:7f84fa8c59ac | 62 | void incrementWheel() { |
smigielski | 65:7f84fa8c59ac | 63 | if (wheelDebounce.read_ms()>DEBOUNCE_TIME){ //only allow toggle if debounce timer has passed 200ms |
smigielski | 65:7f84fa8c59ac | 64 | wheelDebounce.reset(); //restart timer when toggle is performed |
smigielski | 65:7f84fa8c59ac | 65 | wheelCounter++; |
smigielski | 65:7f84fa8c59ac | 66 | wheelEvent=counter; |
smigielski | 65:7f84fa8c59ac | 67 | led1= !led1; |
smigielski | 67:688f92dc0f49 | 68 | updateWheel=true; |
smigielski | 65:7f84fa8c59ac | 69 | } |
smigielski | 65:7f84fa8c59ac | 70 | } |
smigielski | 65:7f84fa8c59ac | 71 | |
smigielski | 65:7f84fa8c59ac | 72 | void incrementCrank() { |
smigielski | 65:7f84fa8c59ac | 73 | if (crankDebounce.read_ms()>DEBOUNCE_TIME){ //only allow toggle if debounce timer has passed 200ms |
smigielski | 65:7f84fa8c59ac | 74 | crankDebounce.reset(); //restart timer when toggle is performed |
smigielski | 65:7f84fa8c59ac | 75 | crankCounter++; |
smigielski | 65:7f84fa8c59ac | 76 | crankEvent=counter; |
smigielski | 65:7f84fa8c59ac | 77 | led1= !led1; |
smigielski | 67:688f92dc0f49 | 78 | updateCrank=true; |
smigielski | 65:7f84fa8c59ac | 79 | } |
smigielski | 65:7f84fa8c59ac | 80 | } |
smigielski | 65:7f84fa8c59ac | 81 | |
smigielski | 65:7f84fa8c59ac | 82 | |
ktownsend | 0:87a7fc231fae | 83 | int main(void) |
ktownsend | 0:87a7fc231fae | 84 | { |
rgrover1 | 47:430545f41113 | 85 | led1 = 1; |
Rohit Grover |
11:1d9aafee4984 | 86 | Ticker ticker; |
smigielski | 67:688f92dc0f49 | 87 | ticker.attach(periodicCallback, TICK_TIME); |
ktownsend | 0:87a7fc231fae | 88 | |
smigielski | 65:7f84fa8c59ac | 89 | wheelDebounce.start(); |
smigielski | 65:7f84fa8c59ac | 90 | crankDebounce.start(); |
smigielski | 65:7f84fa8c59ac | 91 | |
smigielski | 65:7f84fa8c59ac | 92 | wheelSwitch.rise(&incrementWheel); |
smigielski | 65:7f84fa8c59ac | 93 | crankSwitch.rise(&incrementCrank); |
smigielski | 65:7f84fa8c59ac | 94 | |
Rohit Grover |
15:7ba28817e31e | 95 | ble.init(); |
rgrover1 | 7:daab8ba5139e | 96 | ble.onDisconnection(disconnectionCallback); |
ktownsend | 0:87a7fc231fae | 97 | |
smigielski | 64:43e7ddf9dba5 | 98 | |
smigielski | 64:43e7ddf9dba5 | 99 | |
smigielski | 64:43e7ddf9dba5 | 100 | CycleSpeedCadenceService speedService(ble, wheelCounter,wheelEvent,crankCounter,crankEvent, CycleSpeedCadenceService::LOCATION_REAR_DROPOUT); |
rgrover1 | 45:98c5a34b07a4 | 101 | |
mbedAustin | 55:3a7d497a3e03 | 102 | /* Setup auxiliary service. */ |
rgrover1 | 45:98c5a34b07a4 | 103 | DeviceInformationService deviceInfo(ble, "ARM", "Model1", "SN1", "hw-rev1", "fw-rev1", "soft-rev1"); |
rgrover1 | 45:98c5a34b07a4 | 104 | |
rgrover1 | 45:98c5a34b07a4 | 105 | /* Setup advertising. */ |
Rohit Grover |
29:76d865c718a6 | 106 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
rgrover1 | 40:e73130c6f2bb | 107 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); |
balczezzz | 62:2ea9997b5249 | 108 | ble.accumulateAdvertisingPayload(GapAdvertisingData::CYCLING_SPEED_AND_CADENCE_SENSOR); |
Rohit Grover |
29:76d865c718a6 | 109 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); |
rgrover1 | 7:daab8ba5139e | 110 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
rgrover1 | 56:83623419d5e4 | 111 | ble.setAdvertisingInterval(1000); |
rgrover1 | 7:daab8ba5139e | 112 | ble.startAdvertising(); |
Rohit Grover |
3:24e2b056d229 | 113 | |
mbedAustin | 55:3a7d497a3e03 | 114 | // infinite loop |
mbedAustin | 55:3a7d497a3e03 | 115 | while (1) { |
mbedAustin | 55:3a7d497a3e03 | 116 | // check for trigger from periodicCallback() |
smigielski | 64:43e7ddf9dba5 | 117 | if ((updateWheel || updateCrank) && ble.getGapState().connected) { |
mbedAustin | 55:3a7d497a3e03 | 118 | |
smigielski | 64:43e7ddf9dba5 | 119 | if (updateWheel){ |
smigielski | 65:7f84fa8c59ac | 120 | speedService.updateWheel(wheelCounter,wheelEvent); |
smigielski | 64:43e7ddf9dba5 | 121 | updateWheel=false; |
smigielski | 64:43e7ddf9dba5 | 122 | } |
smigielski | 64:43e7ddf9dba5 | 123 | if (updateCrank){ |
smigielski | 64:43e7ddf9dba5 | 124 | speedService.updateCrank(crankCounter,crankEvent); |
smigielski | 64:43e7ddf9dba5 | 125 | updateCrank=false; |
smigielski | 64:43e7ddf9dba5 | 126 | } |
Rohit Grover |
36:ea2a1b4f51c1 | 127 | } else { |
mbedAustin | 55:3a7d497a3e03 | 128 | ble.waitForEvent(); // low power wait for event |
Rohit Grover |
36:ea2a1b4f51c1 | 129 | } |
ktownsend | 0:87a7fc231fae | 130 | } |
ktownsend | 0:87a7fc231fae | 131 | } |