Delong Qi / LinkNode_SimpleChat

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Dependents:   LinkNode_SimpleChatwithSerial

Fork of BLE_API by Bluetooth Low Energy

Diff: ble/services/EddystoneService.h

Revision:
857:7f578be2d01d
Parent:
851:802f445cc195
Child:
860:0d41e4eb3d0a
--- 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;