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Altera_Forum
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10 years ago

Cyclone V HPS UART, can't rx data

I can send RS232 data via HPS UART1 but unable to read data. The scope shows RS232 data on RX pin but test code can’t read any data from /dev/ttyS1 and nothing when I ‘cat /dev/ttyS1’ I can thi...
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Altera_Forum
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9 years ago

Thanks.

Could you please point or share with me any documentation about this? Or maybe which part of preloader needs to be changed?

I've read a few paperas about routing pins from hps to fpga but none of them mentioned about any changes at preloader.