From: Chris B. <ry...@cr...> - 2010-04-16 09:32:01
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On Fri, 2010-04-16 at 10:50 +0200, Stephane Fillod wrote: > > > > He has sold many (hundreds?) of these interfaces since about 1996 and I > > would think he would be keen to see them supported in hamlib now that > > linux is much more mainstream. I am happy to ask him (as a customer) if > > he's ok to supply the information for hamlib (actually it would not be > > hard to reverse engineer, the board is quite simple with just one > > programmable logic chip). Also I would do any testing/debugging etc if > > someone would write the backend, or even lend my controller though it is > > heavy to send as I built the rotator psu inside it..... > > We've got a deal! > You send me the information/original code about the interface, > I'll write the backend and you'll do the testing/debugging. Great! I'll get in touch with him > If the need is simple GPIOs, then a FTDI chip in parallel mode (bitbang) is all > what is necessary, like with the Elektor SDR-USB. No serial port. Only USB. > > However, if some smartness is expected then a MCU has to be brought in, > like I plan to do with a STM8S, or like the many designs around: > Mark Spencer's Sat688[3][4], LVB tracker[5], .. > > [3] http://www.arrl.org/ariss-tracking-interface > [4] http://www.foxdelta.com/products/st1.htm > [5] http://www.g6lvb.com/Articles/LVBTracker/index.htm > Ok, now I see - the FTDI chip is in parallel mode, the pin names confused me into thinking it was a serial port(RTS, CTS etc...) 73 Chris g3wie |