X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b7ef7f49c9f6b4de962ae32776866bd1d5d59c3b..7eb4eb7cdd1ba6a9a6e1ae82968294445667f2e0:/Demos/Device/USBtoSerial/USBtoSerial.c

diff --git a/Demos/Device/USBtoSerial/USBtoSerial.c b/Demos/Device/USBtoSerial/USBtoSerial.c
index ef51a6eeb..7cef56560 100644
--- a/Demos/Device/USBtoSerial/USBtoSerial.c
+++ b/Demos/Device/USBtoSerial/USBtoSerial.c
@@ -256,16 +256,9 @@ TASK(CDC_Task)
 			}
 		}
 		
-		/* Check if Rx buffer contains data */
+		/* Check if Rx buffer contains data - if so, send it */
 		if (Rx_Buffer.Elements)
-		{
-			/* Initiate the transmission of the buffer contents if USART idle */
-			if (!(Transmitting))
-			{
-				Transmitting = true;
-				Serial_TxByte(Buffer_GetElement(&Rx_Buffer));
-			}
-		}
+		  Serial_TxByte(Buffer_GetElement(&Rx_Buffer));
 
 		/* Select the Serial Tx Endpoint */
 		Endpoint_SelectEndpoint(CDC_TX_EPNUM);
@@ -303,19 +296,6 @@ TASK(CDC_Task)
 	}
 }
 
-/** ISR to handle the USART transmit complete interrupt, fired each time the USART has sent a character. This reloads the USART
- *  data register with the next byte from the Rx_Buffer circular buffer if a character is available, or stops the transmission if
- *  the buffer is currently empty.
- */
-ISR(USART1_TX_vect, ISR_BLOCK)
-{
-	/* Send next character if available */
-	if (Rx_Buffer.Elements)
-	  UDR1 = Buffer_GetElement(&Rx_Buffer);
-	else
-	  Transmitting = false;
-}
-
 /** ISR to handle the USART receive complete interrupt, fired each time the USART has received a character. This stores the received
  *  character into the Tx_Buffer circular buffer for later transmission to the host.
  */
@@ -383,7 +363,7 @@ void ReconfigureUSART(void)
 	UCSR1A = (1 << U2X1);
 	
 	/* Enable transmit and receive modules and interrupts */
-	UCSR1B = ((1 << TXCIE1) | (1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1));
+	UCSR1B = ((1 << RXCIE1) | (1 << TXEN1) | (1 << RXEN1));
 
 	/* Set the USART mode to the mask generated by the Line Coding options */
 	UCSR1C = ConfigMask;