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:
- 861:2afa79e3ed0a
- Parent:
- 860:0d41e4eb3d0a
- Child:
- 868:bbc33d099e5e
--- a/ble/services/EddystoneService.h Mon Nov 02 09:09:07 2015 +0000 +++ b/ble/services/EddystoneService.h Mon Nov 02 09:09:07 2015 +0000 @@ -175,16 +175,40 @@ 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, uint32_t urlAdvPeriodIn) { + if (0 == 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 @@ -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 */ @@ -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;