Optimise Endpoint_ConfigureEndpoint_Prv() function to produce smaller code when CONTR...

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

diff --git a/Projects/XPLAINBridge/Lib/SoftUART.c b/Projects/XPLAINBridge/Lib/SoftUART.c
index 8710722..b96b45f 100644 (file)
--- a/Projects/XPLAINBridge/Lib/SoftUART.c
+++ b/Projects/XPLAINBridge/Lib/SoftUART.c
@@ -51,7 +51,7 @@ static uint8_t RX_BitsRemaining;
 /** Temporary data variable to hold the byte being received as it is shifted in */
 static uint8_t RX_Data;
 
-/** Initializes the software UART, ready for data transmission and reception into the global ring buffers. */
+/** Initialises the software UART, ready for data transmission and reception into the global ring buffers. */
 void SoftUART_Init(void)
 {
        /* Set TX pin to output high, enable RX pull-up */
@@ -140,7 +140,7 @@ ISR(TIMER3_COMPA_vect, ISR_BLOCK)
                TX_Data >>= 1;
                TX_BitsRemaining--;
        }
-       else if (USBtoUART_Buffer.Count && !(RX_BitsRemaining))
+       else if (!(RX_BitsRemaining) && !(RingBuffer_IsEmpty(&USBtoUART_Buffer)))
        {
                /* Start bit - TX line low */
                STXPORT &= ~(1 << STX);