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Altera_Forum's avatar
Altera_Forum
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13 years ago

RS232C Packet Loss

Hello, I am working with my custom board, and having problem communicating via RS232C. In very rare occasion, commands seems to be ignored, lost, or thrown away. My C code is some...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Hi,

I had used altera_avalon_uart and I got lost characters.

I use fifoed avalon_uart from opencores or nioswiki (I don't remember). I think, for this, it is a hardware FIFO (no cpu time consuming). And I treat UART as a file descriptor.

But I use a RTOS (FreeRTOS) which allow my sytem to continue running even if a (bad designed) task wants to block.