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:
- 857:7f578be2d01d
- Parent:
- 851:802f445cc195
- Child:
- 860:0d41e4eb3d0a
diff -r 06bd11d11f46 -r 7f578be2d01d ble/services/EddystoneService.h --- a/ble/services/EddystoneService.h Mon Nov 02 09:09:06 2015 +0000 +++ b/ble/services/EddystoneService.h Mon Nov 02 09:09:06 2015 +0000 @@ -260,6 +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 @@ -316,14 +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 */ @@ -524,7 +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); } @@ -543,7 +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;