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Reduce prescaler of the flush timer in the USBtoSerial demo, so that buffer overruns will not occur regardless of hardware and baud rate settings.

This commit is contained in:
Dean Camera 2010-07-12 07:11:50 +00:00
parent 0bcc82ac28
commit 8de31cbb78
2 changed files with 3 additions and 3 deletions
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4
Projects/USBtoSerial/USBtoSerial.c
View File

@ -124,8 +124,8 @@ void SetupHardware(void)
LEDs_Init(); LEDs_Init();
USB_Init(); USB_Init();
/* Configure the UART flush timer - run at Fcpu/1024 for maximum interval before overflow */ /* Start the flush timer so that overflows occur rapidly to push received bytes to the USB interface */
TCCR0B = ((1 << CS02) | (1 << CS00)); TCCR0B = (1 << CS02);
} }
/** Event handler for the library USB Connection event. */ /** Event handler for the library USB Connection event. */

2
Projects/XPLAINBridge/Lib/SoftUART.c
View File

@ -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 */ /* Check if transmission has finished */
if (TX_BitsRemaining) if (TX_BitsRemaining)