Invert the logic for the VBUS power light in the AVRISP-MKII project for the USBTINY...

[pub/USBasp.git] / Projects / XPLAINBridge / XPLAINBridge.c

diff --git a/Projects/XPLAINBridge/XPLAINBridge.c b/Projects/XPLAINBridge/XPLAINBridge.c
index 2835481..7272fd8 100644 (file)
--- a/Projects/XPLAINBridge/XPLAINBridge.c
+++ b/Projects/XPLAINBridge/XPLAINBridge.c
@@ -120,10 +120,11 @@ void UARTBridge_Task(void)
          return;
 
        /* Read bytes from the USB OUT endpoint into the UART transmit buffer */
-       if (CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface) && !(RingBuffer_IsFull(&USBtoUART_Buffer)))
+       int16_t ReceivedByte = CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
+       if (!(ReceivedByte < 0) && !(RingBuffer_IsFull(&USBtoUART_Buffer)))
          RingBuffer_AtomicInsert(&USBtoUART_Buffer, CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface));
        
-       /* Check if the software UART flush timer has expired */
+       /* Check if the UART receive buffer flush timer has expired */
        if (TIFR0 & (1 << TOV0))
        {
                TIFR0 |= (1 << TOV0);