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Only deque from the USBtoSerial's USB->USART buffer when the USART is idle.

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This commit is contained in:
Dean Camera 2014-07-15 21:23:51 +10:00
parent 3d818fbb86
commit d90ef9aa2f
2 changed files with 3 additions and 2 deletions
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1
LUFA/DoxygenPages/ChangeLog.txt
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@ -22,6 +22,7 @@
* - Fixed missing HID report ID prefix on HID class driver GetReport request responses (thanks to Bert van Hall)
* - Library Applications:
* - Fixed spurious 0xFE USART byte sent in the USBtoSerial project when the baud rate is changed (thanks to Carl Kjeldsen)
* - Fixed blocking USART reads causing low throughput on slow baud rates in the USBtoSerial project (thanks to Nevada Smith)
*
* \section Sec_ChangeLog140302 Version 140302
* <b>New:</b>

4
Projects/USBtoSerial/USBtoSerial.c
View File

@ -133,8 +133,8 @@ int main(void)
}
}
/* Load the next byte from the USART transmit buffer into the USART */
if (!(RingBuffer_IsEmpty(&USBtoUSART_Buffer)))
/* Load the next byte from the USART transmit buffer into the USART if transmit buffer space is available */
if (Serial_IsSendReady() && !(RingBuffer_IsEmpty(&USBtoUSART_Buffer)))
Serial_SendByte(RingBuffer_Remove(&USBtoUSART_Buffer));
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);