From: Dean Camera <dean@fourwalledcubicle.com>
Date: Tue, 16 Mar 2010 12:14:09 +0000 (+0000)
Subject: Increased throughput of the USBtoSerial demo on systems that send multiple bytes... 
X-Git-Tag: LUFA-110528-BETA~559
X-Git-Url: http://git.linex4red.de/pub/USBasp.git/commitdiff_plain/7d51e51c79c3af7791f4c3e8c7e5e8196a2c3f93?ds=inline

Increased throughput of the USBtoSerial demo on systems that send multiple bytes per packet (thanks to Opendous Inc.).
---

diff --git a/LUFA/ManPages/ChangeLog.txt b/LUFA/ManPages/ChangeLog.txt
index d2c852548..b776175d6 100644
--- a/LUFA/ManPages/ChangeLog.txt
+++ b/LUFA/ManPages/ChangeLog.txt
@@ -18,6 +18,7 @@
   *  - Added a timeout value to the TWI_StartTransmission() function, within which the addressed device must respond
   *  - Webserver project now uses the board LEDs to indicate the current IP configuration state
   *  - Added ENABLE_TELNET_SERVER compile time option to the Webserver project to disable the TELNET server if desired
+  *  - Increased throughput of the USBtoSerial demo on systems that send multiple bytes per packet (thanks to Opendous Inc.)
   *
   *  <b>Fixed:</b>
   *  - Fixed software PDI/TPI programming mode in the AVRISP project not correctly toggling just the clock pin
diff --git a/Projects/USBtoSerial/USBtoSerial.c b/Projects/USBtoSerial/USBtoSerial.c
index 1f70f3493..73be33e1f 100644
--- a/Projects/USBtoSerial/USBtoSerial.c
+++ b/Projects/USBtoSerial/USBtoSerial.c
@@ -90,11 +90,11 @@ int main(void)
 		}
 		
 		/* Read bytes from the USART receive buffer into the USB IN endpoint */
-		if (USARTtoUSB_Buffer.Elements)
+		while (USARTtoUSB_Buffer.Elements)
 		  CDC_Device_SendByte(&VirtualSerial_CDC_Interface, Buffer_GetElement(&USARTtoUSB_Buffer));
 		
 		/* Load bytes from the USART transmit buffer into the USART */
-		if (USBtoUSART_Buffer.Elements)
+		while (USBtoUSART_Buffer.Elements)
 		  Serial_TxByte(Buffer_GetElement(&USBtoUSART_Buffer));
 		
 		CDC_Device_USBTask(&VirtualSerial_CDC_Interface);