Button initiated config service
Dependencies: BLE_API_EddystoneConfigService_2 mbed nRF51822
Fork of BLE_EddystoneBeaconConfigService_3 by
Diff: EddystoneConfigService.h
- Revision:
- 36:ccb188bcfef1
- Parent:
- 35:314f2152506f
- Child:
- 37:22175faa76be
diff -r 314f2152506f -r ccb188bcfef1 EddystoneConfigService.h --- 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(¶ms); - 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);