[fpc-pascal] How to use UART of ARM platforms (e.g. Raspberry Pi ) through free Pascal?

[Michael Schnell]

On 07/04/2013 12:08 PM, Dennis Poon wrote:
> I have an ATEN usb-to-serial cable (UC-232A) b
That is not suitable.

There are dedicate RS485 Adapters (many of those also support RS422 mode 
(differential full duplex) ).

But the problem might be that they don't come with a Linux driver for ARM.

-Michael