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Altera_Forum's avatar
Altera_Forum
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15 years ago

JTAG USB dropping data when printing to terminal

I've got a system setup to print out ADC samples via a NIOS processor (standard) and JTAG USB. The ADC samples at 48Khz and the samples are streamed to the NIOS processor to be printed through PIO. ...
Altera_Forum's avatar
Altera_Forum
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15 years ago

Increasing the JTAG UART buffer will only delay the inevitable. It will be faster at the beginning, but once the buffer is full you will again be limited by the UART's low speed.

Changing the Nios to a faster core probably won't have any effect since the speed limitation is from the hardware and not the CPU. The problem with the constant values could come from a data cache problem.