ST / Mbed OS mbed-os-example-ble-EddystoneService

BLE EddystoneService example

This example is a fork of the following mbed-os example:

https://developer.mbed.org/teams/mbed-os-examples/code/mbed-os-example-ble-EddystoneService/

Please read the documentation in this page.

source/TLMFrame.cpp@0:4c8f8bf32a99, 2016-07-26 (annotated)

Committer:
Vincent Coubard
Date:
Tue Jul 26 14:40:25 2016 +0100
Revision:
0:4c8f8bf32a99
Child:
1:9db4d46bb63f
Update example at tag mbed-os-5.0.1-rc1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vincent Coubard 0:4c8f8bf32a99 1 /* mbed Microcontroller Library
Vincent Coubard 0:4c8f8bf32a99 2 * Copyright (c) 2006-2015 ARM Limited
Vincent Coubard 0:4c8f8bf32a99 3 *
Vincent Coubard 0:4c8f8bf32a99 4 * Licensed under the Apache License, Version 2.0 (the "License");
Vincent Coubard 0:4c8f8bf32a99 5 * you may not use this file except in compliance with the License.
Vincent Coubard 0:4c8f8bf32a99 6 * You may obtain a copy of the License at
Vincent Coubard 0:4c8f8bf32a99 7 *
Vincent Coubard 0:4c8f8bf32a99 8 * http://www.apache.org/licenses/LICENSE-2.0
Vincent Coubard 0:4c8f8bf32a99 9 *
Vincent Coubard 0:4c8f8bf32a99 10 * Unless required by applicable law or agreed to in writing, software
Vincent Coubard 0:4c8f8bf32a99 11 * distributed under the License is distributed on an "AS IS" BASIS,
Vincent Coubard 0:4c8f8bf32a99 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Vincent Coubard 0:4c8f8bf32a99 13 * See the License for the specific language governing permissions and
Vincent Coubard 0:4c8f8bf32a99 14 * limitations under the License.
Vincent Coubard 0:4c8f8bf32a99 15 */
Vincent Coubard 0:4c8f8bf32a99 16
Vincent Coubard 0:4c8f8bf32a99 17 #include "TLMFrame.h"
Vincent Coubard 0:4c8f8bf32a99 18
Vincent Coubard 0:4c8f8bf32a99 19 TLMFrame::TLMFrame(uint8_t tlmVersionIn,
Vincent Coubard 0:4c8f8bf32a99 20 uint16_t tlmBatteryVoltageIn,
Vincent Coubard 0:4c8f8bf32a99 21 uint16_t tlmBeaconTemperatureIn,
Vincent Coubard 0:4c8f8bf32a99 22 uint32_t tlmPduCountIn,
Vincent Coubard 0:4c8f8bf32a99 23 uint32_t tlmTimeSinceBootIn) :
Vincent Coubard 0:4c8f8bf32a99 24 tlmVersion(tlmVersionIn),
Vincent Coubard 0:4c8f8bf32a99 25 lastTimeSinceBootRead(0),
Vincent Coubard 0:4c8f8bf32a99 26 tlmBatteryVoltage(tlmBatteryVoltageIn),
Vincent Coubard 0:4c8f8bf32a99 27 tlmBeaconTemperature(tlmBeaconTemperatureIn),
Vincent Coubard 0:4c8f8bf32a99 28 tlmPduCount(tlmPduCountIn),
Vincent Coubard 0:4c8f8bf32a99 29 tlmTimeSinceBoot(tlmTimeSinceBootIn)
Vincent Coubard 0:4c8f8bf32a99 30 {
Vincent Coubard 0:4c8f8bf32a99 31 }
Vincent Coubard 0:4c8f8bf32a99 32
Vincent Coubard 0:4c8f8bf32a99 33 void TLMFrame::setTLMData(uint8_t tlmVersionIn)
Vincent Coubard 0:4c8f8bf32a99 34 {
Vincent Coubard 0:4c8f8bf32a99 35 /* According to the Eddystone spec BatteryVoltage is 0 and
Vincent Coubard 0:4c8f8bf32a99 36 * BeaconTemperature is 0x8000 if not supported
Vincent Coubard 0:4c8f8bf32a99 37 */
Vincent Coubard 0:4c8f8bf32a99 38 tlmVersion = tlmVersionIn;
Vincent Coubard 0:4c8f8bf32a99 39 tlmBatteryVoltage = 0;
Vincent Coubard 0:4c8f8bf32a99 40 tlmBeaconTemperature = 0x8000;
Vincent Coubard 0:4c8f8bf32a99 41 tlmPduCount = 0;
Vincent Coubard 0:4c8f8bf32a99 42 tlmTimeSinceBoot = 0;
Vincent Coubard 0:4c8f8bf32a99 43 }
Vincent Coubard 0:4c8f8bf32a99 44
Vincent Coubard 0:4c8f8bf32a99 45 void TLMFrame::constructTLMFrame(uint8_t *rawFrame)
Vincent Coubard 0:4c8f8bf32a99 46 {
Vincent Coubard 0:4c8f8bf32a99 47 size_t index = 0;
Vincent Coubard 0:4c8f8bf32a99 48 rawFrame[index++] = EDDYSTONE_UUID[0]; // 16-bit Eddystone UUID
Vincent Coubard 0:4c8f8bf32a99 49 rawFrame[index++] = EDDYSTONE_UUID[1];
Vincent Coubard 0:4c8f8bf32a99 50 rawFrame[index++] = FRAME_TYPE_TLM; // Eddystone frame type = Telemetry
Vincent Coubard 0:4c8f8bf32a99 51 rawFrame[index++] = tlmVersion; // TLM Version Number
Vincent Coubard 0:4c8f8bf32a99 52 rawFrame[index++] = (uint8_t)(tlmBatteryVoltage >> 8); // Battery Voltage[0]
Vincent Coubard 0:4c8f8bf32a99 53 rawFrame[index++] = (uint8_t)(tlmBatteryVoltage >> 0); // Battery Voltage[1]
Vincent Coubard 0:4c8f8bf32a99 54 rawFrame[index++] = (uint8_t)(tlmBeaconTemperature >> 8); // Beacon Temp[0]
Vincent Coubard 0:4c8f8bf32a99 55 rawFrame[index++] = (uint8_t)(tlmBeaconTemperature >> 0); // Beacon Temp[1]
Vincent Coubard 0:4c8f8bf32a99 56 rawFrame[index++] = (uint8_t)(tlmPduCount >> 24); // PDU Count [0]
Vincent Coubard 0:4c8f8bf32a99 57 rawFrame[index++] = (uint8_t)(tlmPduCount >> 16); // PDU Count [1]
Vincent Coubard 0:4c8f8bf32a99 58 rawFrame[index++] = (uint8_t)(tlmPduCount >> 8); // PDU Count [2]
Vincent Coubard 0:4c8f8bf32a99 59 rawFrame[index++] = (uint8_t)(tlmPduCount >> 0); // PDU Count [3]
Vincent Coubard 0:4c8f8bf32a99 60 rawFrame[index++] = (uint8_t)(tlmTimeSinceBoot >> 24); // Time Since Boot [0]
Vincent Coubard 0:4c8f8bf32a99 61 rawFrame[index++] = (uint8_t)(tlmTimeSinceBoot >> 16); // Time Since Boot [1]
Vincent Coubard 0:4c8f8bf32a99 62 rawFrame[index++] = (uint8_t)(tlmTimeSinceBoot >> 8); // Time Since Boot [2]
Vincent Coubard 0:4c8f8bf32a99 63 rawFrame[index++] = (uint8_t)(tlmTimeSinceBoot >> 0); // Time Since Boot [3]
Vincent Coubard 0:4c8f8bf32a99 64 }
Vincent Coubard 0:4c8f8bf32a99 65
Vincent Coubard 0:4c8f8bf32a99 66 size_t TLMFrame::getRawFrameSize(void) const
Vincent Coubard 0:4c8f8bf32a99 67 {
Vincent Coubard 0:4c8f8bf32a99 68 return FRAME_SIZE_TLM + EDDYSTONE_UUID_SIZE;
Vincent Coubard 0:4c8f8bf32a99 69 }
Vincent Coubard 0:4c8f8bf32a99 70
Vincent Coubard 0:4c8f8bf32a99 71 void TLMFrame::updateTimeSinceBoot(uint32_t nowInMillis)
Vincent Coubard 0:4c8f8bf32a99 72 {
Vincent Coubard 0:4c8f8bf32a99 73 tlmTimeSinceBoot += (nowInMillis - lastTimeSinceBootRead) / 100;
Vincent Coubard 0:4c8f8bf32a99 74 lastTimeSinceBootRead = nowInMillis;
Vincent Coubard 0:4c8f8bf32a99 75 }
Vincent Coubard 0:4c8f8bf32a99 76
Vincent Coubard 0:4c8f8bf32a99 77 void TLMFrame::updateBatteryVoltage(uint16_t tlmBatteryVoltageIn)
Vincent Coubard 0:4c8f8bf32a99 78 {
Vincent Coubard 0:4c8f8bf32a99 79 tlmBatteryVoltage = tlmBatteryVoltageIn;
Vincent Coubard 0:4c8f8bf32a99 80 }
Vincent Coubard 0:4c8f8bf32a99 81
Vincent Coubard 0:4c8f8bf32a99 82 void TLMFrame::updateBeaconTemperature(uint16_t tlmBeaconTemperatureIn)
Vincent Coubard 0:4c8f8bf32a99 83 {
Vincent Coubard 0:4c8f8bf32a99 84 tlmBeaconTemperature = tlmBeaconTemperatureIn;
Vincent Coubard 0:4c8f8bf32a99 85 }
Vincent Coubard 0:4c8f8bf32a99 86
Vincent Coubard 0:4c8f8bf32a99 87 void TLMFrame::updatePduCount(void)
Vincent Coubard 0:4c8f8bf32a99 88 {
Vincent Coubard 0:4c8f8bf32a99 89 tlmPduCount++;
Vincent Coubard 0:4c8f8bf32a99 90 }
Vincent Coubard 0:4c8f8bf32a99 91
Vincent Coubard 0:4c8f8bf32a99 92 uint16_t TLMFrame::getBatteryVoltage(void) const
Vincent Coubard 0:4c8f8bf32a99 93 {
Vincent Coubard 0:4c8f8bf32a99 94 return tlmBatteryVoltage;
Vincent Coubard 0:4c8f8bf32a99 95 }
Vincent Coubard 0:4c8f8bf32a99 96
Vincent Coubard 0:4c8f8bf32a99 97 uint16_t TLMFrame::getBeaconTemperature(void) const
Vincent Coubard 0:4c8f8bf32a99 98 {
Vincent Coubard 0:4c8f8bf32a99 99 return tlmBeaconTemperature;
Vincent Coubard 0:4c8f8bf32a99 100 }
Vincent Coubard 0:4c8f8bf32a99 101
Vincent Coubard 0:4c8f8bf32a99 102 uint8_t TLMFrame::getTLMVersion(void) const
Vincent Coubard 0:4c8f8bf32a99 103 {
Vincent Coubard 0:4c8f8bf32a99 104 return tlmVersion;
Vincent Coubard 0:4c8f8bf32a99 105 }