Junichi Katsu / Mbed 2 deprecated BLE_MPU6050_test6_challenge_sb

テスト用です。

Dependencies:   mbed

BLE_API/services/HeartRateService.h@0:8468a4403fea, 2016-10-11 (annotated)

Committer:
jksoft
Date:
Tue Oct 11 11:09:42 2016 +0000
Revision:
0:8468a4403fea
SB??ver;

Who changed what in which revision?

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jksoft 0:8468a4403fea 1 /* mbed Microcontroller Library
jksoft 0:8468a4403fea 2 * Copyright (c) 2006-2013 ARM Limited
jksoft 0:8468a4403fea 3 *
jksoft 0:8468a4403fea 4 * Licensed under the Apache License, Version 2.0 (the "License");
jksoft 0:8468a4403fea 5 * you may not use this file except in compliance with the License.
jksoft 0:8468a4403fea 6 * You may obtain a copy of the License at
jksoft 0:8468a4403fea 7 *
jksoft 0:8468a4403fea 8 * http://www.apache.org/licenses/LICENSE-2.0
jksoft 0:8468a4403fea 9 *
jksoft 0:8468a4403fea 10 * Unless required by applicable law or agreed to in writing, software
jksoft 0:8468a4403fea 11 * distributed under the License is distributed on an "AS IS" BASIS,
jksoft 0:8468a4403fea 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
jksoft 0:8468a4403fea 13 * See the License for the specific language governing permissions and
jksoft 0:8468a4403fea 14 * limitations under the License.
jksoft 0:8468a4403fea 15 */
jksoft 0:8468a4403fea 16
jksoft 0:8468a4403fea 17 #ifndef __BLE_HEART_RATE_SERVICE_H__
jksoft 0:8468a4403fea 18 #define __BLE_HEART_RATE_SERVICE_H__
jksoft 0:8468a4403fea 19
jksoft 0:8468a4403fea 20 #include "BLEDevice.h"
jksoft 0:8468a4403fea 21
jksoft 0:8468a4403fea 22 /* Heart Rate Service */
jksoft 0:8468a4403fea 23 /* Service: https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.heart_rate.xml */
jksoft 0:8468a4403fea 24 /* HRM Char: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml */
jksoft 0:8468a4403fea 25 /* Location: https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.body_sensor_location.xml */
jksoft 0:8468a4403fea 26 class HeartRateService {
jksoft 0:8468a4403fea 27 public:
jksoft 0:8468a4403fea 28 enum {
jksoft 0:8468a4403fea 29 LOCATION_OTHER = 0,
jksoft 0:8468a4403fea 30 LOCATION_CHEST,
jksoft 0:8468a4403fea 31 LOCATION_WRIST,
jksoft 0:8468a4403fea 32 LOCATION_FINGER,
jksoft 0:8468a4403fea 33 LOCATION_HAND,
jksoft 0:8468a4403fea 34 LOCATION_EAR_LOBE,
jksoft 0:8468a4403fea 35 LOCATION_FOOT,
jksoft 0:8468a4403fea 36 };
jksoft 0:8468a4403fea 37
jksoft 0:8468a4403fea 38 public:
jksoft 0:8468a4403fea 39 /**
jksoft 0:8468a4403fea 40 * Constructor.
jksoft 0:8468a4403fea 41 *
jksoft 0:8468a4403fea 42 * param[in] _ble
jksoft 0:8468a4403fea 43 * Reference to the underlying BLEDevice.
jksoft 0:8468a4403fea 44 * param[in] hrmCounter (8-bit)
jksoft 0:8468a4403fea 45 * initial value for the hrm counter.
jksoft 0:8468a4403fea 46 * param[in] location
jksoft 0:8468a4403fea 47 * Sensor's location.
jksoft 0:8468a4403fea 48 */
jksoft 0:8468a4403fea 49 HeartRateService(BLEDevice &_ble, uint8_t hrmCounter, uint8_t location) :
jksoft 0:8468a4403fea 50 ble(_ble),
jksoft 0:8468a4403fea 51 valueBytes(hrmCounter),
jksoft 0:8468a4403fea 52 hrmRate(GattCharacteristic::UUID_HEART_RATE_MEASUREMENT_CHAR, valueBytes.getPointer(),
jksoft 0:8468a4403fea 53 valueBytes.getNumValueBytes(), HeartRateValueBytes::MAX_VALUE_BYTES,
jksoft 0:8468a4403fea 54 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY),
jksoft 0:8468a4403fea 55 hrmLocation(GattCharacteristic::UUID_BODY_SENSOR_LOCATION_CHAR, (uint8_t *)&location, sizeof(location), sizeof(location),
jksoft 0:8468a4403fea 56 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
jksoft 0:8468a4403fea 57 controlPoint(GattCharacteristic::UUID_HEART_RATE_CONTROL_POINT_CHAR, (uint8_t *)&controlPointValue,
jksoft 0:8468a4403fea 58 sizeof(controlPointValue), sizeof(controlPointValue), GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE) {
jksoft 0:8468a4403fea 59 setupService();
jksoft 0:8468a4403fea 60 }
jksoft 0:8468a4403fea 61
jksoft 0:8468a4403fea 62 /**
jksoft 0:8468a4403fea 63 * Same constructor as above, but with a 16-bit HRM Counter value.
jksoft 0:8468a4403fea 64 */
jksoft 0:8468a4403fea 65 HeartRateService(BLEDevice &_ble, uint16_t hrmCounter, uint8_t location) :
jksoft 0:8468a4403fea 66 ble(_ble),
jksoft 0:8468a4403fea 67 valueBytes(hrmCounter),
jksoft 0:8468a4403fea 68 hrmRate(GattCharacteristic::UUID_HEART_RATE_MEASUREMENT_CHAR, valueBytes.getPointer(),
jksoft 0:8468a4403fea 69 valueBytes.getNumValueBytes(), HeartRateValueBytes::MAX_VALUE_BYTES,
jksoft 0:8468a4403fea 70 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY),
jksoft 0:8468a4403fea 71 hrmLocation(GattCharacteristic::UUID_BODY_SENSOR_LOCATION_CHAR, (uint8_t *)&location, sizeof(location), sizeof(location),
jksoft 0:8468a4403fea 72 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
jksoft 0:8468a4403fea 73 controlPoint(GattCharacteristic::UUID_HEART_RATE_CONTROL_POINT_CHAR, (uint8_t *)&controlPointValue,
jksoft 0:8468a4403fea 74 sizeof(controlPointValue), sizeof(controlPointValue), GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE) {
jksoft 0:8468a4403fea 75 setupService();
jksoft 0:8468a4403fea 76 }
jksoft 0:8468a4403fea 77
jksoft 0:8468a4403fea 78 /**
jksoft 0:8468a4403fea 79 * Set a new 8-bit value for heart rate.
jksoft 0:8468a4403fea 80 */
jksoft 0:8468a4403fea 81 void updateHeartRate(uint8_t hrmCounter) {
jksoft 0:8468a4403fea 82 valueBytes.updateHeartRate(hrmCounter);
jksoft 0:8468a4403fea 83 ble.updateCharacteristicValue(hrmRate.getValueAttribute().getHandle(), valueBytes.getPointer(), valueBytes.getNumValueBytes());
jksoft 0:8468a4403fea 84 }
jksoft 0:8468a4403fea 85
jksoft 0:8468a4403fea 86 /**
jksoft 0:8468a4403fea 87 * Set a new 16-bit value for heart rate.
jksoft 0:8468a4403fea 88 */
jksoft 0:8468a4403fea 89 void updateHeartRate(uint16_t hrmCounter) {
jksoft 0:8468a4403fea 90 valueBytes.updateHeartRate(hrmCounter);
jksoft 0:8468a4403fea 91 ble.updateCharacteristicValue(hrmRate.getValueAttribute().getHandle(), valueBytes.getPointer(), valueBytes.getNumValueBytes());
jksoft 0:8468a4403fea 92 }
jksoft 0:8468a4403fea 93
jksoft 0:8468a4403fea 94 /**
jksoft 0:8468a4403fea 95 * This callback allows the HeartRateService to receive updates to the
jksoft 0:8468a4403fea 96 * controlPoint Characteristic.
jksoft 0:8468a4403fea 97 */
jksoft 0:8468a4403fea 98 virtual void onDataWritten(const GattCharacteristicWriteCBParams *params) {
jksoft 0:8468a4403fea 99 if (params->charHandle == controlPoint.getValueAttribute().getHandle()) {
jksoft 0:8468a4403fea 100 /* Do something here if the new value is 1; else you can override this method by
jksoft 0:8468a4403fea 101 * extending this class.
jksoft 0:8468a4403fea 102 * @NOTE: if you are extending this class, be sure to also call
jksoft 0:8468a4403fea 103 * ble.onDataWritten(this, &ExtendedHRService::onDataWritten); in
jksoft 0:8468a4403fea 104 * your constructor.
jksoft 0:8468a4403fea 105 */
jksoft 0:8468a4403fea 106 }
jksoft 0:8468a4403fea 107 }
jksoft 0:8468a4403fea 108
jksoft 0:8468a4403fea 109 private:
jksoft 0:8468a4403fea 110 void setupService(void) {
jksoft 0:8468a4403fea 111 static bool serviceAdded = false; /* We should only ever need to add the heart rate service once. */
jksoft 0:8468a4403fea 112 if (serviceAdded) {
jksoft 0:8468a4403fea 113 return;
jksoft 0:8468a4403fea 114 }
jksoft 0:8468a4403fea 115
jksoft 0:8468a4403fea 116 GattCharacteristic *charTable[] = {&hrmRate, &hrmLocation, &controlPoint};
jksoft 0:8468a4403fea 117 GattService hrmService(GattService::UUID_HEART_RATE_SERVICE, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
jksoft 0:8468a4403fea 118
jksoft 0:8468a4403fea 119 ble.addService(hrmService);
jksoft 0:8468a4403fea 120 serviceAdded = true;
jksoft 0:8468a4403fea 121
jksoft 0:8468a4403fea 122 ble.onDataWritten(this, &HeartRateService::onDataWritten);
jksoft 0:8468a4403fea 123 }
jksoft 0:8468a4403fea 124
jksoft 0:8468a4403fea 125 private:
jksoft 0:8468a4403fea 126 /* Private internal representation for the bytes used to work with the vaulue of the heart-rate characteristic. */
jksoft 0:8468a4403fea 127 struct HeartRateValueBytes {
jksoft 0:8468a4403fea 128 static const unsigned MAX_VALUE_BYTES = 3; /* FLAGS + up to two bytes for heart-rate */
jksoft 0:8468a4403fea 129 static const unsigned FLAGS_BYTE_INDEX = 0;
jksoft 0:8468a4403fea 130
jksoft 0:8468a4403fea 131 static const unsigned VALUE_FORMAT_BITNUM = 0;
jksoft 0:8468a4403fea 132 static const uint8_t VALUE_FORMAT_FLAG = (1 << VALUE_FORMAT_BITNUM);
jksoft 0:8468a4403fea 133
jksoft 0:8468a4403fea 134 HeartRateValueBytes(uint8_t hrmCounter) : valueBytes() {
jksoft 0:8468a4403fea 135 updateHeartRate(hrmCounter);
jksoft 0:8468a4403fea 136 }
jksoft 0:8468a4403fea 137
jksoft 0:8468a4403fea 138 HeartRateValueBytes(uint16_t hrmCounter) : valueBytes() {
jksoft 0:8468a4403fea 139 updateHeartRate(hrmCounter);
jksoft 0:8468a4403fea 140 }
jksoft 0:8468a4403fea 141
jksoft 0:8468a4403fea 142 void updateHeartRate(uint8_t hrmCounter) {
jksoft 0:8468a4403fea 143 valueBytes[FLAGS_BYTE_INDEX] &= ~VALUE_FORMAT_FLAG;
jksoft 0:8468a4403fea 144 valueBytes[FLAGS_BYTE_INDEX + 1] = hrmCounter;
jksoft 0:8468a4403fea 145 }
jksoft 0:8468a4403fea 146
jksoft 0:8468a4403fea 147 void updateHeartRate(uint16_t hrmCounter) {
jksoft 0:8468a4403fea 148 valueBytes[FLAGS_BYTE_INDEX] |= VALUE_FORMAT_FLAG;
jksoft 0:8468a4403fea 149 valueBytes[FLAGS_BYTE_INDEX + 1] = (uint8_t)(hrmCounter & 0xFF);
jksoft 0:8468a4403fea 150 valueBytes[FLAGS_BYTE_INDEX + 2] = (uint8_t)(hrmCounter >> 8);
jksoft 0:8468a4403fea 151 }
jksoft 0:8468a4403fea 152
jksoft 0:8468a4403fea 153 uint8_t *getPointer(void) {
jksoft 0:8468a4403fea 154 return valueBytes;
jksoft 0:8468a4403fea 155 }
jksoft 0:8468a4403fea 156
jksoft 0:8468a4403fea 157 const uint8_t *getPointer(void) const {
jksoft 0:8468a4403fea 158 return valueBytes;
jksoft 0:8468a4403fea 159 }
jksoft 0:8468a4403fea 160
jksoft 0:8468a4403fea 161 unsigned getNumValueBytes(void) const {
jksoft 0:8468a4403fea 162 return 1 + ((valueBytes[FLAGS_BYTE_INDEX] & VALUE_FORMAT_FLAG) ? sizeof(uint16_t) : sizeof(uint8_t));
jksoft 0:8468a4403fea 163 }
jksoft 0:8468a4403fea 164
jksoft 0:8468a4403fea 165 private:
jksoft 0:8468a4403fea 166 /* First byte = 8-bit values, no extra info, Second byte = uint8_t HRM value */
jksoft 0:8468a4403fea 167 /* See --> https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml */
jksoft 0:8468a4403fea 168 uint8_t valueBytes[MAX_VALUE_BYTES];
jksoft 0:8468a4403fea 169 };
jksoft 0:8468a4403fea 170
jksoft 0:8468a4403fea 171 private:
jksoft 0:8468a4403fea 172 BLEDevice &ble;
jksoft 0:8468a4403fea 173 HeartRateValueBytes valueBytes;
jksoft 0:8468a4403fea 174 uint8_t controlPointValue;
jksoft 0:8468a4403fea 175 GattCharacteristic hrmRate;
jksoft 0:8468a4403fea 176 GattCharacteristic hrmLocation;
jksoft 0:8468a4403fea 177 GattCharacteristic controlPoint;
jksoft 0:8468a4403fea 178 };
jksoft 0:8468a4403fea 179
jksoft 0:8468a4403fea 180 #endif /* #ifndef __BLE_HEART_RATE_SERVICE_H__*/