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UART console based on interrupt
- Date: Wed, 18 Jul 2007 22:26:34 +0200
- From: john.pickwick at free.fr (John Pickwick)
- Subject: UART console based on interrupt
Hi to all,
I recently re-compiled my SparcLEON2 BSP / RTEMS4.7.1 using the USE_CONSOLE_INTERRUPT macro and I compared the CPU usage with the default BSP version that uses polled UART.
I have a task waiting on console input with getchar and I expected the interrupt driven version of the console to be less CPU consuming. Unfortunately I find the same CPU usage percentage for that one.
Can someone explain this ?
Best regards,
John
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