Reduce prescaler of the flush timer in the USBtoSerial demo, so that buffer...

Reduce prescaler of the flush timer in the USBtoSerial demo, so that buffer overruns will not occur regardless of hardware and baud rate settings.

Projects/USBtoSerial/USBtoSerial.c

@@ -124,8 +124,8 @@ void SetupHardware(void)
 	LEDs_Init();
 	USB_Init();
 
-	/* Configure the UART flush timer - run at Fcpu/1024 for maximum interval before overflow */
-	TCCR0B = ((1 << CS02) | (1 << CS00));
+	/* Start the flush timer so that overflows occur rapidly to push received bytes to the USB interface */
+	TCCR0B = (1 << CS02);
 }
 
 /** Event handler for the library USB Connection event. */

Projects/XPLAINBridge/Lib/SoftUART.c

@@ -124,7 +124,7 @@ ISR(TIMER1_COMPA_vect, ISR_BLOCK)
 }
 
 /** ISR to manage the transmission of bits via the software UART. */
-ISR(TIMER3_COMPA_vect, ISR_NOBLOCK)
+ISR(TIMER3_COMPA_vect, ISR_BLOCK)
 {
 	/* Check if transmission has finished */
 	if (TX_BitsRemaining)