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

[Michael Schnell]

On 07/04/2013 12:52 PM, Lukasz Sokol wrote:
> For RS485 adaptation, use a MAX232 like chip (to convert +-12 to ttl) 
> and then a RS485 transceiver chip;

If you want to create hardware anyway, better use a PIC24 (pr PIC32) 
chip with USB plus a RS485 tranceiver chip. So you get rid of the " ATEN 
usb-to-serial cable (UC-232A)" and you have both sides of USB under your 
control so that you can do the USB procedure you want.

Another way is using a pre-programmed PIC chip available by Microchip 
with USB to-Serial software plus a RS485 tranceiver chip.

-Michael