cycle speed and cadence service

Dependencies:   BLE_API mbed nRF51822

Fork of Bluetooth_Heart_Rate_Monitor_dummy by Icarus Sensors

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?

UserRevisionLine numberNew 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 }