Francesco Pavoni / Mbed 2 deprecated BLENano_HRM_02

Simple HRM

Dependencies:   BLE_API mbed nRF51822

main.cpp@0:aa3968526b8c, 2016-06-02 (annotated)

Committer:
FranKP2138
Date:
Thu Jun 02 17:21:07 2016 +0000
Revision:
0:aa3968526b8c
Simple Heart HRM

Who changed what in which revision?

UserRevisionLine numberNew contents of line
FranKP2138 0:aa3968526b8c 1 /*
FranKP2138 0:aa3968526b8c 2 *
FranKP2138 0:aa3968526b8c 3 * Copyright (c) 2016 RedBear
FranKP2138 0:aa3968526b8c 4 *
FranKP2138 0:aa3968526b8c 5 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"),
FranKP2138 0:aa3968526b8c 6 * to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
FranKP2138 0:aa3968526b8c 7 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
FranKP2138 0:aa3968526b8c 8 *
FranKP2138 0:aa3968526b8c 9 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
FranKP2138 0:aa3968526b8c 10 *
FranKP2138 0:aa3968526b8c 11 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FranKP2138 0:aa3968526b8c 12 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
FranKP2138 0:aa3968526b8c 13 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
FranKP2138 0:aa3968526b8c 14 * IN THE SOFTWARE.
FranKP2138 0:aa3968526b8c 15 */
FranKP2138 0:aa3968526b8c 16
FranKP2138 0:aa3968526b8c 17 /**
FranKP2138 0:aa3968526b8c 18 * @note This demo is Nordic HRM example.
FranKP2138 0:aa3968526b8c 19 * You could use nRF toolbox tool to test it.
FranKP2138 0:aa3968526b8c 20 */
FranKP2138 0:aa3968526b8c 21
FranKP2138 0:aa3968526b8c 22 #include "mbed.h"
FranKP2138 0:aa3968526b8c 23 #include "ble/BLE.h"
FranKP2138 0:aa3968526b8c 24 #include "GattCallbackParamTypes.h"
FranKP2138 0:aa3968526b8c 25
FranKP2138 0:aa3968526b8c 26 //#include "ble/DiscoveredCharacteristic.h"
FranKP2138 0:aa3968526b8c 27 //#include "ble/DiscoveredService.h"
FranKP2138 0:aa3968526b8c 28 //#include "ble/GapScanningParams.h"
FranKP2138 0:aa3968526b8c 29 //#include "ble_radio_notification.h"
FranKP2138 0:aa3968526b8c 30 //#include "ble_gap.h"
FranKP2138 0:aa3968526b8c 31
FranKP2138 0:aa3968526b8c 32
FranKP2138 0:aa3968526b8c 33
FranKP2138 0:aa3968526b8c 34 #define DEVICE_NAME "Nordic_HRM"
FranKP2138 0:aa3968526b8c 35
FranKP2138 0:aa3968526b8c 36 BLE ble;
FranKP2138 0:aa3968526b8c 37 Ticker ticker_task1;
FranKP2138 0:aa3968526b8c 38
FranKP2138 0:aa3968526b8c 39
FranKP2138 0:aa3968526b8c 40
FranKP2138 0:aa3968526b8c 41 Serial pc(USBTX, USBRX);
FranKP2138 0:aa3968526b8c 42
FranKP2138 0:aa3968526b8c 43
FranKP2138 0:aa3968526b8c 44
FranKP2138 0:aa3968526b8c 45
FranKP2138 0:aa3968526b8c 46
FranKP2138 0:aa3968526b8c 47 static uint8_t hrmCounter = 100;
FranKP2138 0:aa3968526b8c 48 static uint8_t bpm[2] = {0x00, hrmCounter};
FranKP2138 0:aa3968526b8c 49 static const uint8_t location = 0x03;
FranKP2138 0:aa3968526b8c 50 static uint32_t cnt;
FranKP2138 0:aa3968526b8c 51
FranKP2138 0:aa3968526b8c 52 static const uint16_t uuid16_list[] = {GattService::UUID_HEART_RATE_SERVICE};
FranKP2138 0:aa3968526b8c 53
FranKP2138 0:aa3968526b8c 54 // Create characteristic and service
FranKP2138 0:aa3968526b8c 55 GattCharacteristic hrmRate(GattCharacteristic::UUID_HEART_RATE_MEASUREMENT_CHAR, bpm, sizeof(bpm), sizeof(bpm), GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
FranKP2138 0:aa3968526b8c 56 GattCharacteristic hrmLocation(GattCharacteristic::UUID_BODY_SENSOR_LOCATION_CHAR,(uint8_t *)&location, sizeof(location), sizeof(location),GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
FranKP2138 0:aa3968526b8c 57 GattCharacteristic *hrmChars[] = {&hrmRate, &hrmLocation, };
FranKP2138 0:aa3968526b8c 58 GattService hrmService(GattService::UUID_HEART_RATE_SERVICE, hrmChars, sizeof(hrmChars) / sizeof(GattCharacteristic *));
FranKP2138 0:aa3968526b8c 59
FranKP2138 0:aa3968526b8c 60
FranKP2138 0:aa3968526b8c 61
FranKP2138 0:aa3968526b8c 62 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
FranKP2138 0:aa3968526b8c 63 {
FranKP2138 0:aa3968526b8c 64 pc.printf("Disconnected ! \r\n");
FranKP2138 0:aa3968526b8c 65 pc.printf("Restart advertising progress \r\n");
FranKP2138 0:aa3968526b8c 66 ble.startAdvertising();
FranKP2138 0:aa3968526b8c 67 }
FranKP2138 0:aa3968526b8c 68
FranKP2138 0:aa3968526b8c 69
FranKP2138 0:aa3968526b8c 70 void periodicCallback() {
FranKP2138 0:aa3968526b8c 71 pc.printf("periodicCallback ! \r\n");
FranKP2138 0:aa3968526b8c 72
FranKP2138 0:aa3968526b8c 73 if (ble.getGapState().connected) {
FranKP2138 0:aa3968526b8c 74 // Update the HRM measurement
FranKP2138 0:aa3968526b8c 75 // First byte = 8-bit values, no extra info, Second byte = uint8_t HRM value
FranKP2138 0:aa3968526b8c 76 // See --> https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml
FranKP2138 0:aa3968526b8c 77 hrmCounter++;
FranKP2138 0:aa3968526b8c 78 if (hrmCounter == 175)
FranKP2138 0:aa3968526b8c 79 hrmCounter = 100;
FranKP2138 0:aa3968526b8c 80
FranKP2138 0:aa3968526b8c 81 bpm[1] = hrmCounter;
FranKP2138 0:aa3968526b8c 82 ble.updateCharacteristicValue(hrmRate.getValueAttribute().getHandle(), bpm, sizeof(bpm));
FranKP2138 0:aa3968526b8c 83 }
FranKP2138 0:aa3968526b8c 84 }
FranKP2138 0:aa3968526b8c 85
FranKP2138 0:aa3968526b8c 86
FranKP2138 0:aa3968526b8c 87
FranKP2138 0:aa3968526b8c 88 int main(void)
FranKP2138 0:aa3968526b8c 89 {
FranKP2138 0:aa3968526b8c 90 // DElete
FranKP2138 0:aa3968526b8c 91 //Ticker ticker;
FranKP2138 0:aa3968526b8c 92 //ticker.attach_us(m_status_check_handle, 200000);
FranKP2138 0:aa3968526b8c 93
FranKP2138 0:aa3968526b8c 94 pc.baud(9600);
FranKP2138 0:aa3968526b8c 95 //wait(8.0);
FranKP2138 0:aa3968526b8c 96 pc.printf("start\r\n");
FranKP2138 0:aa3968526b8c 97 pc.printf("Nordic_HRM Demo \r\n");
FranKP2138 0:aa3968526b8c 98
FranKP2138 0:aa3968526b8c 99 // Init timer task
FranKP2138 0:aa3968526b8c 100 ticker_task1.attach(periodicCallback, 1);
FranKP2138 0:aa3968526b8c 101
FranKP2138 0:aa3968526b8c 102 ble.init();
FranKP2138 0:aa3968526b8c 103 ble.onDisconnection(disconnectionCallback);
FranKP2138 0:aa3968526b8c 104
FranKP2138 0:aa3968526b8c 105
FranKP2138 0:aa3968526b8c 106 // setup adv_data and srp_data
FranKP2138 0:aa3968526b8c 107 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
FranKP2138 0:aa3968526b8c 108 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t*)uuid16_list, sizeof(uuid16_list));
FranKP2138 0:aa3968526b8c 109 ble.accumulateAdvertisingPayload(GapAdvertisingData::HEART_RATE_SENSOR_HEART_RATE_BELT);
FranKP2138 0:aa3968526b8c 110 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
FranKP2138 0:aa3968526b8c 111 // set adv_type
FranKP2138 0:aa3968526b8c 112 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
FranKP2138 0:aa3968526b8c 113 // add service
FranKP2138 0:aa3968526b8c 114 ble.addService(hrmService);
FranKP2138 0:aa3968526b8c 115 // set device name
FranKP2138 0:aa3968526b8c 116 ble.setDeviceName((const uint8_t *)DEVICE_NAME);
FranKP2138 0:aa3968526b8c 117 // set tx power,valid values are -40, -20, -16, -12, -8, -4, 0, 4
FranKP2138 0:aa3968526b8c 118 ble.setTxPower(4);
FranKP2138 0:aa3968526b8c 119
FranKP2138 0:aa3968526b8c 120
FranKP2138 0:aa3968526b8c 121 // 100ms; in multiples of 0.625ms.
FranKP2138 0:aa3968526b8c 122 ble.setAdvertisingInterval(160);
FranKP2138 0:aa3968526b8c 123
FranKP2138 0:aa3968526b8c 124 //ble.addService(uartService);
FranKP2138 0:aa3968526b8c 125
FranKP2138 0:aa3968526b8c 126 // set adv_timeout, in seconds
FranKP2138 0:aa3968526b8c 127 ble.setAdvertisingTimeout(0);
FranKP2138 0:aa3968526b8c 128
FranKP2138 0:aa3968526b8c 129 ble.startAdvertising();
FranKP2138 0:aa3968526b8c 130
FranKP2138 0:aa3968526b8c 131 pc.printf("Advertising Start \r\n");
FranKP2138 0:aa3968526b8c 132
FranKP2138 0:aa3968526b8c 133 /*while(1)
FranKP2138 0:aa3968526b8c 134 {
FranKP2138 0:aa3968526b8c 135 pc.printf("wait for event \r\n");
FranKP2138 0:aa3968526b8c 136 ble.waitForEvent();
FranKP2138 0:aa3968526b8c 137 }*/
FranKP2138 0:aa3968526b8c 138 }