Nora Vazbyte / Mbed OS 99Problems-BLEAint1

app critics will say it's money, cash, toes

source/main.cpp@2:1957a4985d6e, 2018-10-28 (annotated)

Committer:
vazbyte
Date:
Sun Oct 28 13:45:26 2018 +0000
Revision:
2:1957a4985d6e
Parent:
1:df8884d38960
Child:
3:a33709dad06c
o m g

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vazbyte 0:07212de2fec1 1 /* mbed Microcontroller Library
vazbyte 0:07212de2fec1 2 * Copyright (c) 2006-2014 ARM Limited
vazbyte 0:07212de2fec1 3 *
vazbyte 0:07212de2fec1 4 * Licensed under the Apache License, Version 2.0 (the "License");
vazbyte 0:07212de2fec1 5 * you may not use this file except in compliance with the License.
vazbyte 0:07212de2fec1 6 * You may obtain a copy of the License at
vazbyte 0:07212de2fec1 7 *
vazbyte 0:07212de2fec1 8 * http://www.apache.org/licenses/LICENSE-2.0
vazbyte 0:07212de2fec1 9 *
vazbyte 0:07212de2fec1 10 * Unless required by applicable law or agreed to in writing, software
vazbyte 0:07212de2fec1 11 * distributed under the License is distributed on an "AS IS" BASIS,
vazbyte 0:07212de2fec1 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
vazbyte 0:07212de2fec1 13 * See the License for the specific language governing permissions and
vazbyte 0:07212de2fec1 14 * limitations under the License.
vazbyte 0:07212de2fec1 15 */
vazbyte 0:07212de2fec1 16
vazbyte 0:07212de2fec1 17 #include <events/mbed_events.h>
vazbyte 0:07212de2fec1 18 #include <mbed.h>
vazbyte 1:df8884d38960 19 #include "MPU9250.h"
vazbyte 0:07212de2fec1 20 #include "ble/BLE.h"
vazbyte 0:07212de2fec1 21 #include "ble/Gap.h"
vazbyte 1:df8884d38960 22 #include "ble/services/HeartRateService.h"
vazbyte 1:df8884d38960 23
vazbyte 0:07212de2fec1 24
vazbyte 0:07212de2fec1 25 DigitalOut led1(LED1, 1);
vazbyte 0:07212de2fec1 26
vazbyte 1:df8884d38960 27 const static char DEVICE_NAME[] = "ProVaida";
vazbyte 1:df8884d38960 28 static const uint16_t uuid16_list[] = {GattService::UUID_HEART_RATE_SERVICE};
vazbyte 0:07212de2fec1 29
vazbyte 1:df8884d38960 30 uint8_t hrmCounter = 100;
vazbyte 1:df8884d38960 31 static HeartRateService* hrService;
vazbyte 0:07212de2fec1 32
vazbyte 0:07212de2fec1 33 static EventQueue eventQueue(/* event count */ 16 * EVENTS_EVENT_SIZE);
vazbyte 0:07212de2fec1 34
vazbyte 0:07212de2fec1 35 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
vazbyte 0:07212de2fec1 36 {
vazbyte 0:07212de2fec1 37 BLE::Instance().gap().startAdvertising();
vazbyte 0:07212de2fec1 38 }
vazbyte 0:07212de2fec1 39
vazbyte 2:1957a4985d6e 40 void updateSensorValue() {
vazbyte 2:1957a4985d6e 41 // hrmCounter++;
vazbyte 2:1957a4985d6e 42 // if (hrmCounter > 175) {
vazbyte 2:1957a4985d6e 43 // hrmCounter = 100;
vazbyte 2:1957a4985d6e 44 // }
vazbyte 1:df8884d38960 45
vazbyte 1:df8884d38960 46 hrService->updateHeartRate(hrmCounter);
vazbyte 0:07212de2fec1 47 }
vazbyte 0:07212de2fec1 48
vazbyte 0:07212de2fec1 49 void blinkCallback(void)
vazbyte 0:07212de2fec1 50 {
vazbyte 0:07212de2fec1 51 led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
vazbyte 0:07212de2fec1 52
vazbyte 0:07212de2fec1 53 BLE &ble = BLE::Instance();
vazbyte 0:07212de2fec1 54 if (ble.gap().getState().connected) {
vazbyte 0:07212de2fec1 55 eventQueue.call(updateSensorValue);
vazbyte 0:07212de2fec1 56 }
vazbyte 0:07212de2fec1 57 }
vazbyte 0:07212de2fec1 58
vazbyte 0:07212de2fec1 59 /**
vazbyte 1:df8884d38960 60 * This function is called when the ble initialization process has failed
vazbyte 0:07212de2fec1 61 */
vazbyte 0:07212de2fec1 62 void onBleInitError(BLE &ble, ble_error_t error)
vazbyte 0:07212de2fec1 63 {
vazbyte 0:07212de2fec1 64 /* Initialization error handling should go here */
vazbyte 0:07212de2fec1 65 }
vazbyte 0:07212de2fec1 66
vazbyte 0:07212de2fec1 67 void printMacAddress()
vazbyte 0:07212de2fec1 68 {
vazbyte 0:07212de2fec1 69 /* Print out device MAC address to the console*/
vazbyte 0:07212de2fec1 70 Gap::AddressType_t addr_type;
vazbyte 0:07212de2fec1 71 Gap::Address_t address;
vazbyte 0:07212de2fec1 72 BLE::Instance().gap().getAddress(&addr_type, address);
vazbyte 0:07212de2fec1 73 printf("DEVICE MAC ADDRESS: ");
vazbyte 0:07212de2fec1 74 for (int i = 5; i >= 1; i--){
vazbyte 0:07212de2fec1 75 printf("%02x:", address[i]);
vazbyte 0:07212de2fec1 76 }
vazbyte 0:07212de2fec1 77 printf("%02x\r\n", address[0]);
vazbyte 0:07212de2fec1 78 }
vazbyte 0:07212de2fec1 79
vazbyte 0:07212de2fec1 80 /**
vazbyte 0:07212de2fec1 81 * Callback triggered when the ble initialization process has finished
vazbyte 0:07212de2fec1 82 */
vazbyte 0:07212de2fec1 83 void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
vazbyte 0:07212de2fec1 84 {
vazbyte 0:07212de2fec1 85 BLE& ble = params->ble;
vazbyte 0:07212de2fec1 86 ble_error_t error = params->error;
vazbyte 0:07212de2fec1 87
vazbyte 0:07212de2fec1 88 if (error != BLE_ERROR_NONE) {
vazbyte 0:07212de2fec1 89 /* In case of error, forward the error handling to onBleInitError */
vazbyte 0:07212de2fec1 90 onBleInitError(ble, error);
vazbyte 0:07212de2fec1 91 return;
vazbyte 0:07212de2fec1 92 }
vazbyte 0:07212de2fec1 93
vazbyte 0:07212de2fec1 94 /* Ensure that it is the default instance of BLE */
vazbyte 0:07212de2fec1 95 if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
vazbyte 0:07212de2fec1 96 return;
vazbyte 0:07212de2fec1 97 }
vazbyte 0:07212de2fec1 98
vazbyte 0:07212de2fec1 99 ble.gap().onDisconnection(disconnectionCallback);
vazbyte 0:07212de2fec1 100
vazbyte 0:07212de2fec1 101 /* Setup primary service */
vazbyte 1:df8884d38960 102 hrService = new HeartRateService(ble, hrmCounter, HeartRateService::LOCATION_FINGER);
vazbyte 0:07212de2fec1 103
vazbyte 0:07212de2fec1 104 /* Setup advertising */
vazbyte 0:07212de2fec1 105 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
vazbyte 0:07212de2fec1 106 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *) uuid16_list, sizeof(uuid16_list));
vazbyte 0:07212de2fec1 107 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *) DEVICE_NAME, sizeof(DEVICE_NAME));
vazbyte 0:07212de2fec1 108 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
vazbyte 0:07212de2fec1 109 ble.gap().setAdvertisingInterval(1000); /* 1000ms */
vazbyte 0:07212de2fec1 110 ble.gap().startAdvertising();
vazbyte 0:07212de2fec1 111
vazbyte 0:07212de2fec1 112 printMacAddress();
vazbyte 0:07212de2fec1 113 }
vazbyte 0:07212de2fec1 114
vazbyte 0:07212de2fec1 115 void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) {
vazbyte 0:07212de2fec1 116 BLE &ble = BLE::Instance();
vazbyte 0:07212de2fec1 117 eventQueue.call(Callback<void()>(&ble, &BLE::processEvents));
vazbyte 0:07212de2fec1 118 }
vazbyte 0:07212de2fec1 119
vazbyte 0:07212de2fec1 120 int main()
vazbyte 0:07212de2fec1 121 {
vazbyte 2:1957a4985d6e 122 MPU9250 mpu = MPU9250(p26, p27);
vazbyte 2:1957a4985d6e 123 mpu.initMPU9250();
vazbyte 0:07212de2fec1 124 eventQueue.call_every(500, blinkCallback);
vazbyte 0:07212de2fec1 125
vazbyte 0:07212de2fec1 126 BLE &ble = BLE::Instance();
vazbyte 0:07212de2fec1 127 ble.onEventsToProcess(scheduleBleEventsProcessing);
vazbyte 0:07212de2fec1 128 ble.init(bleInitComplete);
vazbyte 0:07212de2fec1 129
vazbyte 0:07212de2fec1 130 eventQueue.dispatch_forever();
vazbyte 0:07212de2fec1 131
vazbyte 0:07212de2fec1 132 return 0;
vazbyte 0:07212de2fec1 133 }