Diff: EddystoneConfigService.h

Revision:

36:ccb188bcfef1

Parent:

35:314f2152506f

Child:

37:22175faa76be

--- a/EddystoneConfigService.h	Wed Sep 02 20:55:47 2015 +0000
+++ b/EddystoneConfigService.h	Wed Sep 02 22:22:31 2015 +0000
@@ -239,383 +239,23 @@
     }
 
     /*
-    *  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;
-        encodeURI(url, params.uriData, params.uriDataLength); // encode URL to URL Formatting
-        if (params.uriDataLength > 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 < params.uriDataLength; x++) {     // 18B of URL Prefix + encoded URL
-            Data[index++] = params.uriData[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);
-        INFO("\r\n");
-        for(int x = 0; x<serviceDataLen; x++) {
-            INFO("%2.2x:",serviceData[x]);
-        }
-        INFO("\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) {
-                    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) {
-                    serviceDataLen += constructUIDFrame(serviceData+serviceDataLen,20);
-                    DBG("\t Swapping in UID Frame: len=%d",serviceDataLen);
-                    updateAdvPacket(serviceData,serviceDataLen);
-                    switchFlag = false;
-                    frameIndex++;
-                    break;
-                }
-            default:
-                // TLM frame
-                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, &EddystoneConfigService::swapOutFrames, EDDYSTONE_SWAPFRAME_DELAYMS);
-                    switchFlag = true;
-                    break;
-                case 1: // URL Frame
-                    // switch out packets
-                    if(switchFlag) {
-                        switchFrame.attach_us(this, &EddystoneConfigService::swapOutFrames, EDDYSTONE_SWAPFRAME_DELAYMS);
-                        switchFlag = false;
-                    } else {
-                        if((TlmPduCount % EDDYSTONE_NUM_URL_FRAMES) == 0) { // every 10 adv packets switch the frame
-                            switchFlag = true;
-                        }
-                    }
-                    break;
-                case 2: // UIDFrame
-                    // switch out packets
-                    if(switchFlag ) {
-                        switchFrame.attach_us(this, &EddystoneConfigService::swapOutFrames, EDDYSTONE_SWAPFRAME_DELAYMS);
-                        switchFlag = false;
-                    } else {
-                        if((TlmPduCount % EDDYSTONE_NUM_UID_FRAMES) == 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 can 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)
-    *
-    */
-    void setupEddystoneAdvertisements(  //BLEDevice       &bleIn,
-                                        uint16_t        beaconPeriodus,
-                                        uint8_t         txPowerLevel,
-                                        size_t *       uidNamespaceID = NULL,
-                                        size_t *       uidInstanceID = NULL,
-                                        const char *    url = NULL,
-                                        uint8_t         urlLen = 0,
-                                        uint8_t         tlmVersion = 0x00)
-     {
-       // ble = bleIn; // TODO, need to set the BLE variable to make this function standalone
-        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 {
-            urlIsSet = 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,&EddystoneConfigService::radioNotificationCallback);
-        timeSinceBootTick.attach(this,&EddystoneConfigService::tsbCallback,0.1); // incriment the TimeSinceBoot ticker every 0.1s
-
-    }
-
-    /*
     *   This function actually impliments the Eddystone Beacon service. It can be called with the help of the wrapper function
     *   to load saved config params, or it can be called explicitly to reset the eddystone beacon to hardcoded values on each reset.
     *
     */
     void setupEddystoneAdvertisements() {
         DBG("Switching Config -> adv");
-        uint8_t serviceData[SERVICE_DATA_MAX];
-        unsigned serviceDataLen = 0;
-        unsigned beaconPeriod = params.beaconPeriod;
+        //uint8_t serviceData[SERVICE_DATA_MAX];
+        //unsigned serviceDataLen = 0;
+        //unsigned beaconPeriod = params.beaconPeriod;
         
-        setUIDFrameData(params.txPowerMode,defaultUidNamespaceID, defaultUidInstanceID);
+        //setUIDFrameData(params.txPowerMode,defaultUidNamespaceID, defaultUidInstanceID);
         //setURLFrameData(params.txPowerMode,(char *)params.uriData);
 
         // Initialize Frame transition
-        frameIndex = 0;
-        uidRFU = 0;
-        switchFlag = true;
+        //frameIndex = 0;
+        //uidRFU = 0;
+        //switchFlag = true;
 
 
         /* Reinitialize the BLE stack. This will clear away the existing services and advertising state. */
@@ -627,7 +267,7 @@
         extern void saveURIBeaconConfigParams(const Params_t *paramsP); /* forward declaration; necessary to avoid a circular dependency. */
         saveURIBeaconConfigParams(&params);
 
-        EddystoneService(ble,params.beaconPeriod,params.txPowerMode, (uint8_t *) params.uidNamespaceID, (uint8_t *) params.uidInstanceID, (const char *) params.uriData, params.uriDataLength, params.tlmVersion );
+        static EddystoneService eddyServ(ble,params.beaconPeriod,params.txPowerMode, (uint8_t *) params.uidNamespaceID, (uint8_t *) params.uidInstanceID, (const char *) params.uriData, params.uriDataLength, params.tlmVersion );
 //        updateTlmPduCount(0);
 //        updateTlmTimeSinceBoot(0);