8-bit MicrocontrollersのトピックHCS08SL::Software Realization of SPI interface

HCS08SL::Software Realization of SPI interface

Destiny — Fri, 15 Jun 2007 13:10:45 GMT

Dear Friends
         Did anybody tried for a software realisation of SPI interface?? Can anybody give me a hint how to proceed with it.
        The background is that we are having a interface of HCS08SL with a DAC (Analog device:AD5641) through an SPI (Master mode) connection. I need this software realisation of SPI since the one available with HCS08SL is already in use and cant be used for the DAC interface.
          Please help me!!
Regards
Priyant

Re: HCS08SL::Software Realization of SPI interface

tonyp — Fri, 15 Jun 2007 15:01:09 GMT

Here's one example (in assembly). You'll need to modify for different polarity and phase settings.

Re: HCS08SL::Software Realization of SPI interface

bigmac — Fri, 15 Jun 2007 22:43:37 GMT

Hello Priyant,

Within the following thread is a software SPI written in C.

http://forums.freescale.com/freescale/board/message?board.id=8BITCOMM&message.id=3554

Regards,

Mac

Re: HCS08SL::Software Realization of SPI interface

Destiny — Mon, 18 Jun 2007 15:06:58 GMT

Dear Tonyp
Thank you very much for your help... I will try this program and if any problem I encounter I will delinately contact you again...
thanking you again!!
Regards
Destiny

Re: HCS08SL::Software Realization of SPI interface

Destiny — Mon, 18 Jun 2007 15:07:55 GMT

Dear bigmac
Thank you very much for your help... I will proceed with your code
thanks once again!!
Regards
Destiny