Revision 31:bdd03742096a, committed 2015-08-11

Comitter:

mbedAustin

Date:

Tue Aug 11 18:13:46 2015 +0000

Parent:

30:6c2db8bf5b17

Child:

32:41840b78597e

Commit message:

cleaned up code prior to public release.

Changed in this revision

--- a/BLE_API.lib	Fri Jul 24 04:07:34 2015 +0000
+++ b/BLE_API.lib	Tue Aug 11 18:13:46 2015 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/#4cd3b18607ec
+http://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/#920101117187

--- a/Eddystone.h	Fri Jul 24 04:07:34 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,539 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef SERVICES_EDDYSTONEBEACON_H_
-#define SERVICES_EDDYSTONEBEACON_H_
-
-#include "ble/BLE.h"
-#include "mbed.h"
-
-static const uint8_t BEACON_EDDYSTONE[] = {0xAA, 0xFE};
-
-//Debug is disabled by default
-#if 0
-#define DBG(x, ...)  printf("[EddyStone: DBG]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
-#define WARN(x, ...) printf("[EddyStone: WARN]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
-#define ERR(x, ...)  printf("[EddyStone: ERR]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
-#else
-#define DBG(x, ...) //wait_us(10);
-#define WARN(x, ...) //wait_us(10);
-#define ERR(x, ...)
-#endif
-
-#if 1
-#define INFO(x, ...)  printf("[EddyStone: INFO]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
-#else
-#define INFO(x, ...)
-#endif
-
-/**
-* @class Eddystone
-* @brief Eddystone Configuration Service. Can be used to set URL, adjust power levels, and set flags.
-* See https://github.com/google/eddystone
-*
-*/
-class EddystoneService
-{
-public:
-    /**
-     * @brief Transmission Power Modes for UriBeacon
-     */
-
-    static const int ADVERTISING_INTERVAL_MSEC = 1000;  // Advertising interval for config service.
-    static const int SERVICE_DATA_MAX = 31;             // Maximum size of service data in ADV packets
-
-    // There are currently 3 subframes defined, URI, UID, and TLM
-#define EDDYSTONE_MAX_FRAMETYPE 3
-    void (*frames[EDDYSTONE_MAX_FRAMETYPE])(uint8_t *, uint32_t);
-    uint8_t frameIndex;
-    static const int URI_DATA_MAX = 18;
-    typedef uint8_t  UriData_t[URI_DATA_MAX];
-
-    // UID Frame Type subfields
-    static const int UID_NAMESPACEID_SIZE = 10;
-    typedef uint8_t  UIDNamespaceID_t[UID_NAMESPACEID_SIZE];
-    static const int UID_INSTANCEID_SIZE = 6;
-    typedef uint8_t  UIDInstanceID_t[UID_INSTANCEID_SIZE];
-
-    // Eddystone Frame Type ID
-    static const uint8_t FRAME_TYPE_UID = 0x00;
-    static const uint8_t FRAME_TYPE_URL = 0x10;
-    static const uint8_t FRAME_TYPE_TLM = 0x20;
-
-    static const uint8_t FRAME_SIZE_TLM = 14; // TLM frame is a constant 14Bytes
-    static const uint8_t FRAME_SIZE_UID = 20; // includes RFU bytes
-
-    /*
-    *  Set Eddystone UID Frame information.
-    *  @param[in] power   TX Power in dB measured at 0 meters from the device. Range of -100 to +20 dB.
-    *  @param namespaceID 10B namespace ID
-    *  @param instanceID  6B instance ID
-    *  @param RFU         2B of RFU, initialized to 0x0000 and not broadcast, included for future reference.
-    *
-    */
-    void setUIDFrameData(int8_t power, UIDNamespaceID_t namespaceID, UIDInstanceID_t instanceID, uint16_t RFU = 0x0000) {
-        if(power > 20) {
-            power = 20;
-        }
-        if(power < -100) {
-            power = -100;
-        }
-        defaultUidPower = power;
-        memcpy(defaultUidNamespaceID, namespaceID, UID_NAMESPACEID_SIZE);
-        memcpy(defaultUidInstanceID,  instanceID,  UID_INSTANCEID_SIZE);
-        uidRFU = (uint16_t)RFU; // this is probably bad form, but it doesnt really matter yet.
-        return;
-    }
-
-    /*
-    *  Construct UID frame from private variables
-    *  @param[in/out] Data pointer to array to store constructed frame in
-    *  @param[in] maxSize number of bytes left in array, effectively how much emtpy space is available to write to
-    *  @return number of bytes used. negative number indicates error message.
-    */
-    int constructUIDFrame(uint8_t * Data, uint8_t maxSize) {
-
-        int index = 0;
-        Data[index++] = FRAME_TYPE_UID;                     // 1B  Type
-        if(defaultUidPower > 20) {
-            defaultUidPower = 20;   // enforce range of vaild values.
-        }
-        if(defaultUidPower < -100) {
-            defaultUidPower = -100;
-        }
-        Data[index++] = defaultUidPower;                    // 1B  Power @ 0meter
-        for(int x = 0; x < UID_NAMESPACEID_SIZE; x++) {     // 10B Namespce ID
-            Data[index++] = defaultUidNamespaceID[x];
-        }
-        for(int x = 0; x< UID_INSTANCEID_SIZE; x++) {       // 6B  Instance ID
-            Data[index++] = defaultUidInstanceID[x];
-        }
-        if(0 != uidRFU) {                                // 2B RFU, include if non-zero, otherwise ignore
-            Data[index++] = (uint8_t)(uidRFU >> 0);
-            Data[index++] = (uint8_t)(uidRFU >> 8);
-        }
-        DBG("construcUIDFrame %d, %d",maxSize,index);
-        return index;
-    }
-
-    /*
-    *  Set Eddystone URL Frame information.
-    *  @param[in] power   TX Power in dB measured at 0 meters from the device.
-    *  @param url         URL to encode
-    *  @return            false on success, true on failure.
-    */
-    bool setURLFrameData(int8_t power, const char * url) {
-        defaultUrlPower = power;
-        encodeURL(url, defaultUriData, defaultUriDataLength); // encode URL to URL Formatting
-        if (defaultUriDataLength > URI_DATA_MAX) {
-            return true; // error, URL is too big
-        }
-        return false;
-    }
-
-    /*
-    *  Construct URL frame from private variables
-    *  @param[in/out] Data pointer to array to store constructed frame in
-    *  @param[in] maxSize number of bytes left in array, effectively how much emtpy space is available to write to
-    *  @return number of bytes used. negative number indicates error message.
-    */
-    int constructURLFrame(uint8_t * Data, uint8_t maxSize) {
-        int index = 0;
-        Data[index++] = FRAME_TYPE_URL;                     // 1B  Type
-        Data[index++] = defaultUrlPower;                    // 1B  TX Power
-        for(int x = 0; x < defaultUriDataLength; x++) {     // 18B of URL Prefix + encoded URL
-            Data[index++] = defaultUriData[x];
-        }
-        DBG("constructURLFrame: %d, %d",maxSize,index);
-        return index;
-    }
-
-    /*
-    *  Set Eddystone TLM Frame information.
-    *  @param[in] Version    of the TLM beacon data format
-    *  @param batteryVoltage in milivolts
-    *  @param beaconTemp     in 8.8 floating point notation
-    *
-    */
-    void setTLMFrameData(uint8_t version, uint16_t batteryVoltage, uint16_t beaconTemp, uint32_t pduCount = 0, uint32_t timeSinceBoot = 0) {
-        TlmVersion = version;
-        TlmBatteryVoltage = batteryVoltage;
-        TlmBeaconTemp = beaconTemp;
-        TlmPduCount = pduCount; // reset
-        TlmTimeSinceBoot = timeSinceBoot; // reset
-        return;
-    }
-
-    /*
-    *  Construct TLM frame from private variables
-    *  @param[in/out] Data pointer to array to store constructed frame in
-    *  @param[in] maxSize number of bytes left in array, effectively how much emtpy space is available to write to
-    *  @return number of bytes used. negative number indicates error message.
-    */
-    int constructTLMFrame(uint8_t * Data, uint8_t maxSize) {
-        int index = 0;
-        Data[index++] = FRAME_TYPE_TLM;                    // Eddystone frame type = Telemetry
-        Data[index++] = TlmVersion;                        // TLM Version Number
-        Data[index++] = (uint8_t)(TlmBatteryVoltage>>8);   // Battery Voltage[0]
-        Data[index++] = (uint8_t)(TlmBatteryVoltage>>0);   // Battery Voltage[1]
-        Data[index++] = (uint8_t)(TlmBeaconTemp>>8);       // Beacon Temp[0]
-        Data[index++] = (uint8_t)(TlmBeaconTemp>>0);       // Beacon Temp[1]
-        Data[index++] = (uint8_t)(TlmPduCount>>24);         // PDU Count [0]
-        Data[index++] = (uint8_t)(TlmPduCount>>16);         // PDU Count [1]
-        Data[index++] = (uint8_t)(TlmPduCount>>8);        // PDU Count [2]
-        Data[index++] = (uint8_t)(TlmPduCount>>0);        // PDU Count [3]
-        Data[index++] = (uint8_t)(TlmTimeSinceBoot>>24);    // Time Since Boot [0]
-        Data[index++] = (uint8_t)(TlmTimeSinceBoot>>16);    // Time Since Boot [1]
-        Data[index++] = (uint8_t)(TlmTimeSinceBoot>>8);   // Time Since Boot [2]
-        Data[index++] = (uint8_t)(TlmTimeSinceBoot>>0);   // Time Since Boot [3]
-        DBG("constructURLFrame: %d, %d",maxSize,index);
-        return index;
-    }
-
-    /*
-    *  Update the TLM frame battery voltage value
-    *  @param[in] voltagemv Voltage to update the TLM field battery voltage with (in mV)
-    *  @return nothing
-    */
-    void updateTlmBatteryVoltage(uint16_t voltagemv) {
-        TlmBatteryVoltage = voltagemv;
-        return;
-    }
-
-    /*
-    *  Update the TLM frame beacon temperature
-    *  @param[in] temp Temperature of beacon (in 8.8fpn)
-    *  @return nothing
-    */
-    void updateTlmBeaconTemp(uint16_t temp) {
-        TlmBeaconTemp = temp;
-        return;
-    }
-
-    /*
-    *  Update the TLM frame PDU Count field
-    *  @param[in] pduCount Number of Advertisiting frames sent since powerup
-    *  @return nothing
-    */
-    void updateTlmPduCount(uint32_t pduCount) {
-        TlmPduCount = pduCount;
-        return;
-    }
-
-    /*
-    *  Update the TLM frame Time since boot in 0.1s incriments
-    *  @param[in] timeSinceBoot Time since boot in 0.1s incriments
-    *  @return nothing
-    */
-    void updateTlmTimeSinceBoot(uint32_t timeSinceBoot) {
-        TlmTimeSinceBoot = timeSinceBoot;
-        return;
-    }
-
-    /*
-    *  callback function, called every 0.1s, incriments the TimeSinceBoot field in the TLM frame
-    *  @return nothing
-    */
-    void tsbCallback(void) {
-        TlmTimeSinceBoot++;
-    }
-
-    /*
-    * Update advertising data
-    * @return true on success, false on failure
-    */
-    bool updateAdvPacket(uint8_t serviceData[], unsigned serviceDataLen) {
-        // Fields from the Service
-        DBG("Updating AdvFrame: %d", serviceDataLen);
-//        printf("\r\n");
-//        for(int x = 0; x<serviceDataLen; x++) {
-//            printf("%2.2x:",serviceData[x]);
-//        }
-//        printf("\r\n");
-        ble.clearAdvertisingPayload();
-        ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
-        ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, BEACON_EDDYSTONE, sizeof(BEACON_EDDYSTONE));
-        ble.accumulateAdvertisingPayload(GapAdvertisingData::SERVICE_DATA, serviceData, serviceDataLen);
-
-        return true;
-    }
-
-    /*
-    *   State machine for switching out frames.
-    *   This function is called by the radioNotificationCallback when a frame needs to get swapped out.
-    *   This function exists because of time constraints in the radioNotificationCallback, so it is effectively
-    *   broken up into two functions.
-    */
-    void swapOutFrames(void) {
-        uint8_t serviceData[SERVICE_DATA_MAX];
-        unsigned serviceDataLen = 0;
-        //hard code in the eddystone UUID
-        serviceData[serviceDataLen++] = BEACON_EDDYSTONE[0];
-        serviceData[serviceDataLen++] = BEACON_EDDYSTONE[1];
-
-        // if certain frames are not enabled, then skip them. Worst case TLM is always enabled
-        switch(frameIndex) {
-            case 1:
-                // URL Frame
-                if(urlIsSet) {
-                    INFO("Swapping in URL Frame: Power: %d",defaultUrlPower);
-                    serviceDataLen += constructURLFrame(serviceData+serviceDataLen,20);
-                    DBG("\t Swapping in URL Frame: len=%d ",serviceDataLen);
-                    updateAdvPacket(serviceData,serviceDataLen);
-                    switchFlag = false;
-                    frameIndex++;
-                    break;
-                }
-            case 2:
-                // UID Frame
-                if(uidIsSet) {
-                    INFO("Swapping in UID Frame: Power: %d",defaultUidPower);
-                    serviceDataLen += constructUIDFrame(serviceData+serviceDataLen,20);
-                    DBG("\t Swapping in UID Frame: len=%d",serviceDataLen);
-                    updateAdvPacket(serviceData,serviceDataLen);
-                    switchFlag = false;
-                    frameIndex++;
-                    break;
-                }
-            default:
-                // TLM frame
-                INFO("Swapping in TLM Frame: version=%x, Batt=%d, Temp = %d, PDUCnt = %d, TimeSinceBoot=%d",TlmVersion, TlmBatteryVoltage, TlmBeaconTemp, TlmPduCount, TlmTimeSinceBoot);
-                serviceDataLen += constructTLMFrame(serviceData+serviceDataLen,20);
-                DBG("\t Swapping in TLM Frame: len=%d",serviceDataLen);
-                updateAdvPacket(serviceData,serviceDataLen);
-                frameIndex++;
-                break;
-        }
-    }
-
-    /*
-    *  Callback from onRadioNotification(), used to update the PDUCounter and process next state.
-    */
-#define EDDYSTONE_SWAPFRAME_DELAYMS 1
-    void radioNotificationCallback(bool radioActive) {
-        //DBG("RadioNotificationCallback : %d, %d, %d, %d",radioActive,frameIndex,TlmPduCount,TlmTimeSinceBoot);
-        // Update PDUCount
-        TlmPduCount++;
-        frameIndex = frameIndex % EDDYSTONE_MAX_FRAMETYPE;
-
-
-        // True just before an frame is sent, fale just after a frame is sent
-        if(radioActive) {
-            // Do Nothing
-        } else {
-            // state machine to control which packet is being sent
-            switch(frameIndex) {
-                case 0: // TLM Frame
-                    switchFrame.attach_us(this, &EddystoneService::swapOutFrames, EDDYSTONE_SWAPFRAME_DELAYMS);
-                    switchFlag = true;
-                    break;
-                case 1: // URL Frame
-                    // switch out packets
-                    if(switchFlag) {
-                        switchFrame.attach_us(this, &EddystoneService::swapOutFrames, EDDYSTONE_SWAPFRAME_DELAYMS);
-                        switchFlag = false;
-                    } else {
-                        if((TlmPduCount % 10) == 0) { // every 10 adv packets switch the frame
-                            switchFlag = true;
-                        }
-                    }
-                    break;
-                case 2: // UIDFrame
-                    // switch out packets
-                    if(switchFlag ) {
-                        switchFrame.attach_us(this, &EddystoneService::swapOutFrames, EDDYSTONE_SWAPFRAME_DELAYMS);
-                        switchFlag = false;
-                    } else {
-                        if((TlmPduCount % 10) == 0) { // every 10 adv packets switch the frame
-                            switchFlag = true;
-                        }
-                    }
-                    break;
-            }
-        }
-
-        return;
-    }
-
-    /*
-    *   This function explicityly sets the parameters used by the Eddystone beacon.
-    *   this function should be used in leu of the config service.
-    *
-    *   @param bleIn ble object used to broadcast eddystone information
-    *   @oaram beaconPeriodus is how often ble broadcasts are mde, in mili seconds
-    *   @param txPowerLevel sets the broadcasting power level.
-    *   @param uidNamespaceID 10Byte Namespace UUID
-    *   @param uidInstanceID  6Byte  Instance UUID
-    *   @param url shortened URL to broadcast (pass in as a string)
-    *   @param urlLen length of shortened url
-    *   @param tlmVersion version of telemetry data field to use (default to 0x00)
-    *
-    */
-    EddystoneService(BLEDevice       &bleIn,
-              uint16_t        beaconPeriodus = 100,
-              uint8_t         txPowerLevel = 0,
-              uint8_t *       uidNamespaceID = NULL,
-              uint8_t *       uidInstanceID = NULL,
-              const char *    url = NULL,
-              uint8_t         urlLen = 0,
-              uint8_t         tlmVersion = 0) :
-              ble(bleIn)
-    { 
-        uint8_t serviceData[SERVICE_DATA_MAX];
-        unsigned serviceDataLen = 0;
-        ERR("This function is not fully implemented yet, dont use it!!");
-        // Check optional frames, set their 'isSet' flags appropriately
-        if((uidNamespaceID != NULL) & (uidInstanceID != NULL)) {
-            uidIsSet = true;
-            setUIDFrameData(txPowerLevel,uidNamespaceID, uidInstanceID);
-        } else {
-            uidIsSet = false;
-        }
-        if(url != NULL) {
-            urlIsSet = true;
-            setURLFrameData(txPowerLevel,url);
-        } else {
-            uidIsSet = false;
-        }
-        // Default TLM frame to version 0x00, start all values at zero to be spec compliant.
-        setTLMFrameData(tlmVersion, 0x00,0x00);
-
-        // Initialize Frame transition
-        frameIndex = 0;
-        uidRFU = 0;
-        switchFlag = true;
-
-        /* Reinitialize the BLE stack. This will clear away the existing services and advertising state. */
-        ble.shutdown();
-        ble.init();
-        ble.setTxPower(txPowerLevel);
-        ble.setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED);
-        ble.setAdvertisingInterval(beaconPeriodus);
-
-        // Make double sure the PDUCount and TimeSinceBoot fields are set to zero at reset
-        updateTlmPduCount(0);
-        updateTlmTimeSinceBoot(0);
-
-        // Construct TLM Frame in initial advertising.
-        serviceData[serviceDataLen++] = BEACON_EDDYSTONE[0];
-        serviceData[serviceDataLen++] = BEACON_EDDYSTONE[1];
-        serviceDataLen += constructTLMFrame(serviceData+serviceDataLen,SERVICE_DATA_MAX);
-
-        updateAdvPacket(serviceData, serviceDataLen);
-        ble.gap().startAdvertising();
-        ble.gap().onRadioNotification(this,&EddystoneService::radioNotificationCallback);
-        timeSinceBootTick.attach(this,&EddystoneService::tsbCallback,0.1); // incriment the TimeSinceBoot ticker every 0.1s
-
-    }
-
-private:
-
-
-    BLEDevice           &ble;
-    Ticker              timeSinceBootTick;
-    Timeout             switchFrame;
-// Default value that is restored on reset
-    size_t              defaultUriDataLength;
-    UriData_t           defaultUriData;
-    UIDNamespaceID_t    defaultUidNamespaceID;
-    UIDInstanceID_t     defaultUidInstanceID;
-    int8_t              defaultUidPower;
-    int8_t              defaultUrlPower;
-    uint16_t            uidRFU;
-    bool                uidIsSet;
-    bool                urlIsSet;
-    bool switchFlag;
-
-// Private Variables for Telemetry Data
-    uint8_t                      TlmVersion;
-    volatile uint16_t            TlmBatteryVoltage;
-    volatile uint16_t            TlmBeaconTemp;
-    volatile uint32_t            TlmPduCount;
-    volatile uint32_t            TlmTimeSinceBoot;
-
-public:
-    /*
-     *  Encode a human-readable URI into the binary format defined by URIBeacon spec (https://github.com/google/uribeacon/tree/master/specification).
-     */
-    static void encodeURL(const char *uriDataIn, UriData_t uriDataOut, size_t &sizeofURIDataOut) {
-        const char *prefixes[] = {
-            "http://www.",
-            "https://www.",
-            "http://",
-            "https://",
-        };
-        const size_t NUM_PREFIXES = sizeof(prefixes) / sizeof(char *);
-        const char *suffixes[] = {
-            ".com/",
-            ".org/",
-            ".edu/",
-            ".net/",
-            ".info/",
-            ".biz/",
-            ".gov/",
-            ".com",
-            ".org",
-            ".edu",
-            ".net",
-            ".info",
-            ".biz",
-            ".gov"
-        };
-        const size_t NUM_SUFFIXES = sizeof(suffixes) / sizeof(char *);
-
-        sizeofURIDataOut = 0;
-        memset(uriDataOut, 0, sizeof(UriData_t));
-
-        if ((uriDataIn == NULL) || (strlen(uriDataIn) == 0)) {
-            return;
-        }
-
-        /*
-         * handle prefix
-         */
-        for (unsigned i = 0; i < NUM_PREFIXES; i++) {
-            size_t prefixLen = strlen(prefixes[i]);
-            if (strncmp(uriDataIn, prefixes[i], prefixLen) == 0) {
-                uriDataOut[sizeofURIDataOut++]  = i;
-                uriDataIn                      += prefixLen;
-                break;
-            }
-        }
-
-        /*
-         * handle suffixes
-         */
-        while (*uriDataIn && (sizeofURIDataOut < URI_DATA_MAX)) {
-            /* check for suffix match */
-            unsigned i;
-            for (i = 0; i < NUM_SUFFIXES; i++) {
-                size_t suffixLen = strlen(suffixes[i]);
-                if (strncmp(uriDataIn, suffixes[i], suffixLen) == 0) {
-                    uriDataOut[sizeofURIDataOut++]  = i;
-                    uriDataIn                      += suffixLen;
-                    break; /* from the for loop for checking against suffixes */
-                }
-            }
-            /* This is the default case where we've got an ordinary character which doesn't match a suffix. */
-            if (i == NUM_SUFFIXES) {
-                uriDataOut[sizeofURIDataOut++] = *uriDataIn;
-                ++uriDataIn;
-            }
-        }
-    }
-};
-
-#endif  // SERVICES_EDDYSTONEBEACON_H_

--- a/main.cpp	Fri Jul 24 04:07:34 2015 +0000
+++ b/main.cpp	Tue Aug 11 18:13:46 2015 +0000
@@ -1,5 +1,5 @@
 /* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
+ * Copyright (c) 2006-2015 ARM Limited
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -15,14 +15,14 @@
  */
 
 #include "mbed.h"
-#include "BLE.h"
-#include "Eddystone.h"
+#include "ble/BLE.h"
+#include "ble/services/EddystoneService.h"
 
 BLE ble;
 uint8_t UIDnamespace[] = {0x11,0x22,0x33,0x44,0x55,0x66,0x77,0x88,0x99,0xAA}; // 10Bytes for Namespace UUID
 uint8_t UIDinstance[]  = {0xbb,0xcc,0xdd,0xee,0xff,0x00}; // 6Bytes for Instance UUID
 char Url[] = "http://www.mbed.org";
-int8_t txPower = -18;
+int8_t txPower = -40;
 uint16_t beaconPeriodus = 1000;
 
 //Callbacks for temperature / battery updates
@@ -31,15 +31,15 @@
 int battery = 0;
 int temp = 0;
 
-// Start the Eddystone beacon here
+// Add Eddystone service to BLE device, can pass NULL for UID and URL parameters to disable those frames
 EddystoneService eddyBeacon(ble, beaconPeriodus, txPower ,UIDnamespace, UIDinstance, Url, sizeof(Url));
 
-// Function to update beacon battery voltage
+// Optional Function to update Eddystone beacon TLM frame battery voltage
 void tlmBatteryCallback(void){
     eddyBeacon.updateTlmBatteryVoltage(battery++);
 }
 
-// Function to update Beacon Temperature
+// Optional Function to update Eddystone beacon TLM frame temperature
 void tlmTemperatureCallback(void){
     eddyBeacon.updateTlmBeaconTemp(temp++);
 }

--- a/nRF51822.lib	Fri Jul 24 04:07:34 2015 +0000
+++ b/nRF51822.lib	Tue Aug 11 18:13:46 2015 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/teams/Nordic-Semiconductor/code/nRF51822/#c7adea3c1e37
+http://mbed.org/teams/Nordic-Semiconductor/code/nRF51822/#041752486b03