Reduce prescaler of the flush timer in the USBtoSerial demo, so that buffer overruns...

diff --git a/Projects/USBtoSerial/USBtoSerial.c b/Projects/USBtoSerial/USBtoSerial.c
index 9189868..145047c 100644 (file)
--- a/Projects/USBtoSerial/USBtoSerial.c
+++ b/Projects/USBtoSerial/USBtoSerial.c
@@ -124,8 +124,8 @@ void SetupHardware(void)
        LEDs_Init();
        USB_Init();
 
        LEDs_Init();
        USB_Init();
 

-       /* Configure the UART flush timer - run at Fcpu/1024 for maximum interval before overflow */
-       TCCR0B = ((1 << CS02) | (1 << CS00));
+       /* Start the flush timer so that overflows occur rapidly to push received bytes to the USB interface */
+       TCCR0B = (1 << CS02);

 }
 
 /** Event handler for the library USB Connection event. */
 }
 
 /** Event handler for the library USB Connection event. */

diff --git a/Projects/XPLAINBridge/Lib/SoftUART.c b/Projects/XPLAINBridge/Lib/SoftUART.c
index 90c23b7..4ec8dcd 100644 (file)
--- a/Projects/XPLAINBridge/Lib/SoftUART.c
+++ b/Projects/XPLAINBridge/Lib/SoftUART.c
@@ -124,7 +124,7 @@ ISR(TIMER1_COMPA_vect, ISR_BLOCK)
 }
 
 /** ISR to manage the transmission of bits via the software UART. */
 }
 
 /** ISR to manage the transmission of bits via the software UART. */

-ISR(TIMER3_COMPA_vect, ISR_NOBLOCK)
+ISR(TIMER3_COMPA_vect, ISR_BLOCK)

 {
        /* Check if transmission has finished */
        if (TX_BitsRemaining)
 {
        /* Check if transmission has finished */
        if (TX_BitsRemaining)