Re: [myhdl-list] Third-party modules?

[Christopher F. <chr...@gm...>]

On 11/19/11 12:57 PM, garyr wrote:
> One of the entries in the MyHDL Frequently Asked Questions states that
> third-party modules may be instantiated by using "user-defined code to
> replace a MyHDL module by a corresponding instantiation".  My attempts
> at this have not been successful. Could someone point me to an example?
>
> Thanks in advance for your replies.
>
>

Here is a reply from a earlier, similar, inquiry.  You might want to 
refer to the old thread, http://bit.ly/uHcVZi.

Regards,
Chris

> Here is a small example to achieve what (I think) you are describing.
> More information can be found here,
> http://www.myhdl.org/doc/current/manual/conversion_examples.html#conv-usage-custom
>
> from myhdl import *
>
> def BurriedInstance(clk, rst, data_in, data_out):
>
>      # ... Some Code
>      bi = nativeInstance(clk, rst, data_in, data_out)
>      # ... Some More Code
>
>      return bi  #other generators
>
> def nativeInstance(clk, rst, data_in, data_out):
>
>      @always(clk, rst, data_in)
>      def pass_thru():
>          pass
>      data_out.driven = "wire"
>
>      nativeInstance.vhdl_code = """
>      P1:ppc port map($clk, $rst, $data_in, $data_out);
>      """
>
>      return pass_thru
>
>
> if __name__ == '__main__':
>      clk = Signal(False)
>      rst = Signal(False)
>      data_in  = Signal(intbv(0)[8:])
>      data_out = Signal(intbv(0)[8:])
>      toVHDL(BurriedInstance, clk, rst, data_in, data_out)
>
>