Lancaster University's fork of the mbed BLE API. Lives on github, https://github.com/lancaster-university/BLE_API
Dependents: microbit-dal microbit-dal microbit-ble-open microbit-dal ... more
Fork of BLE_API by
Diff: ble/services/EddystoneService.h
- Revision:
- 912:f728aa46e7df
- Parent:
- 907:f9a79127973a
--- a/ble/services/EddystoneService.h Thu Nov 26 12:52:03 2015 +0000 +++ b/ble/services/EddystoneService.h Thu Nov 26 12:52:03 2015 +0000 @@ -101,9 +101,9 @@ void setUIDFrameData(int8_t power, UIDNamespaceID_t namespaceID, UIDInstanceID_t instanceID, - uint32_t uidAdvPeriodIn, + float uidAdvPeriodIn, uint16_t RFU = 0x0000) { - if (0 == uidAdvPeriodIn) { + if (0.0f == uidAdvPeriodIn) { uidIsSet = false; return; } @@ -170,21 +170,45 @@ * @param[in] urlAdvPeriodIn How long to advertise the URL frame (measured in # of adv periods) * @return false on success, true on failure. */ - bool setURLFrameData(int8_t power, const char *urlIn, uint32_t urlAdvPeriodIn) { - if (0 == urlAdvPeriodIn) { + bool setURLFrameData(int8_t power, const char *urlIn, float urlAdvPeriodIn) { + if (0.0f == urlAdvPeriodIn) { urlIsSet = false; return false; } - defaultUrlPower = power; encodeURL(urlIn, defaultUriData, defaultUriDataLength); // encode URL to URL Formatting if (defaultUriDataLength > URI_DATA_MAX) { return true; // error, URL is too big } + defaultUrlPower = power; urlAdvPeriod = urlAdvPeriodIn; urlIsSet = true; return false; } + /** + * Set Eddystone URL Frame information. + * @param[in] power TX Power in dB measured at 0 meters from the device. + * @param[in] encodedUrlIn Encoded URL + * @param[in] encodedUrlInLength Length of the encoded URL + * @param[in] urlAdvPeriodIn How long to advertise the URL frame (measured in # of adv periods) + * @return false on success, true on failure. + */ + bool setURLFrameEncodedData(int8_t power, const char *encodedUrlIn, uint8_t encodedUrlInLength, float urlAdvPeriodIn) { + if (0.0f == urlAdvPeriodIn) { + urlIsSet = false; + return false; + } + memcpy(defaultUriData, encodedUrlIn, encodedUrlInLength); + if (defaultUriDataLength > URI_DATA_MAX) { + return true; // error, URL is too big + } + defaultUrlPower = power; + defaultUriDataLength = encodedUrlInLength; + urlAdvPeriod = urlAdvPeriodIn; + urlIsSet = true; + return false; + } + /* * Construct URL frame from private variables * @param[in/out] Data pointer to array to store constructed frame in @@ -211,12 +235,12 @@ * */ void setTLMFrameData(uint8_t version = 0, - uint32_t advPeriod = 60, + float advPeriod = 60.0f, uint16_t batteryVoltage = 0, - uint16_t beaconTemp = 0, + uint16_t beaconTemp = 0x8000, uint32_t pduCount = 0, uint32_t timeSinceBoot = 0) { - if (0 == advPeriod) { + if (0.0f == advPeriod) { tlmIsSet = false; return; } @@ -236,6 +260,10 @@ * @return number of bytes used. negative number indicates error message. */ int constructTLMFrame(uint8_t *Data, uint8_t maxSize) { + uint32_t now = timeSinceBootTimer.read_ms(); + TlmTimeSinceBoot += (now - lastBootTimerRead) / 100; + lastBootTimerRead = now; + int index = 0; Data[index++] = FRAME_TYPE_TLM; // Eddystone frame type = Telemetry Data[index++] = TlmVersion; // TLM Version Number @@ -292,14 +320,6 @@ } /* - * 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 */ @@ -487,7 +507,7 @@ // Initialize Frame transition, start with URL to pass eddystone validator app on first try if (urlIsSet) { frameIndex = url; - urlTicker.attach(this, &EddystoneService::urlCallback, urlAdvPeriod); + urlTicker.attach(this, &EddystoneService::urlCallback, (float) advPeriodus / 1000.0f); DBG("attached urlCallback every %d seconds", urlAdvPeriod); } if (uidIsSet) { @@ -500,7 +520,8 @@ // Make double sure the PDUCount and TimeSinceBoot fields are set to zero at reset updateTlmPduCount(0); updateTlmTimeSinceBoot(0); - timeSinceBootTick.attach(this, &EddystoneService::tsbCallback, 0.1); // incriment the TimeSinceBoot ticker every 0.1s + lastBootTimerRead = 0; + timeSinceBootTimer.start(); tlmTicker.attach(this, &EddystoneService::tlmCallback, TlmAdvPeriod); DBG("attached tlmCallback every %d seconds", TlmAdvPeriod); } @@ -519,7 +540,8 @@ BLEDevice &ble; uint16_t advPeriodus; uint8_t txPower; - Ticker timeSinceBootTick; // counter that counts time since boot + Timer timeSinceBootTimer; + volatile uint32_t lastBootTimerRead; volatile bool advLock; volatile FrameTypes frameIndex; Timeout stopAdv; @@ -530,7 +552,7 @@ UriData_t defaultUriData; int8_t defaultUrlPower; bool urlIsSet; // flag that enables / disable URI Frames - uint32_t urlAdvPeriod; // how long the url frame will be advertised for + float urlAdvPeriod; // how long the url frame will be advertised for Ticker urlTicker; // UID Frame Variables @@ -539,7 +561,7 @@ int8_t defaultUidPower; uint16_t uidRFU; bool uidIsSet; // flag that enables / disable UID Frames - uint32_t uidAdvPeriod; // how long the uid frame will be advertised for + float uidAdvPeriod; // how long the uid frame will be advertised for Ticker uidTicker; // TLM Frame Variables @@ -549,7 +571,7 @@ volatile uint32_t TlmPduCount; volatile uint32_t TlmTimeSinceBoot; bool tlmIsSet; // flag that enables / disables TLM frames - uint32_t TlmAdvPeriod; // number of minutes between adv frames + float TlmAdvPeriod; // number of minutes between adv frames Ticker tlmTicker; public: