X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/e6881fd166586793a5a90effeefe4188092f383b..a54ed0085b29f81946f3652bd412103292da7589:/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c

diff --git a/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c b/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c
index 3ed406db4..c48c33c08 100644
--- a/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c
+++ b/Demos/Device/LowLevel/USBtoSerial/USBtoSerial.c
@@ -237,7 +237,7 @@ void CDC_Task(void)
 		if (Endpoint_IsOUTReceived())
 		{
 			/* Read the bytes in from the endpoint into the buffer while space is available */
-			while (Endpoint_BytesInEndpoint() && (BUFF_STATICSIZE - Rx_Buffer.Elements))
+			while (Endpoint_BytesInEndpoint() && (Rx_Buffer.Elements != BUFF_STATICSIZE))
 			{
 				/* Store each character from the endpoint */
 				Buffer_StoreElement(&Rx_Buffer, Endpoint_Read_Byte());
@@ -265,7 +265,7 @@ void CDC_Task(void)
 			while (!(Endpoint_IsReadWriteAllowed()));
 			
 			/* Write the bytes from the buffer to the endpoint while space is available */
-			while (Tx_Buffer.Elements && (Endpoint_BytesInEndpoint() < CDC_TXRX_EPSIZE))
+			while (Tx_Buffer.Elements && Endpoint_IsReadWriteAllowed())
 			{
 				/* Write each byte retreived from the buffer to the endpoint */
 				Endpoint_Write_Byte(Buffer_GetElement(&Tx_Buffer));