Continue testing timers module.  Still a work in progress.
diff --git a/Source/timers.c b/Source/timers.c
index 8593c72..ed710bd 100644
--- a/Source/timers.c
+++ b/Source/timers.c
@@ -243,8 +243,7 @@
 			xReturn = xQueueSendToBackFromISR( xTimerQueue, &xMessage, pxHigherPriorityTaskWoken );

 		}

 	}

-

-	configASSERT( xReturn );

+	

 	return xReturn;

 }

 /*-----------------------------------------------------------*/

@@ -268,7 +267,16 @@
 		the time this task thinks it is now, even if a command to

 		switch lists due to a tick count overflow is already waiting in

 		the timer queue. */

-		prvInsertTimerInActiveList( pxTimer, ( xNextExpireTime + pxTimer->xTimerPeriodInTicks ), xTimeNow, xNextExpireTime );

+		if( prvInsertTimerInActiveList( pxTimer, ( xNextExpireTime + pxTimer->xTimerPeriodInTicks ), xTimeNow, xNextExpireTime ) == pdTRUE )

+		{

+			/* The timer expired before it was added to the active timer

+			list.  Reload it now.  The callback will get executed before

+			this function exits. */

+			if( pxTimer->uxAutoReload == pdTRUE )

+			{

+				xTimerGenericCommand( pxTimer, tmrCOMMAND_START, xNextExpireTime, NULL, tmrNO_DELAY ); /* Should it be xNextExpireTime or ( xNextExpireTime + pxTimer->xTimerPeriodInTicks )?  I think the former. */

+			}

+		}

 	}

 

 	/* Call the timer callback. */

@@ -403,7 +411,7 @@
 	{

 		/* Has the expiry time elapsed between the command to start/reset a

 		timer was issued, and the time the command was processed? */

-		if( ( xTimeNow - xCommandTime ) >= pxTimer->xTimerPeriodInTicks )

+		if( ( ( portTickType ) ( xTimeNow - xCommandTime ) ) >= pxTimer->xTimerPeriodInTicks )

 		{

 			/* The time between a command being issued and the command being

 			processed actually exceeds the timers period.  */

@@ -468,7 +476,6 @@
 				{

 					/* The timer expired before it was added to the active timer

 					list.  Process it now. */

-					/* Call the timer callback. */

 					pxTimer->pxCallbackFunction( ( xTimerHandle ) pxTimer );

 

 					if( pxTimer->uxAutoReload == pdTRUE )