Re: [myhdl-list] TypeError: Unexpected type

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

On 3/26/15 2:25 AM, Guy Eschemann wrote:
> Thanks Chris, that does the trick.

This has been fixed in the master branch, if you
get the latest your original code should work.

https://github.com/jandecaluwe/myhdl/issues/40
https://github.com/jandecaluwe/myhdl/pull/41

Regards,
Chris

>
>
>     You can work around it with:
>
>     In [5]: from myhdl import *
>     Â  Â  ...:
>     Â  Â  ...: def mpegChannel(clk, rst):
>     Â  Â  ...:
>     Â  Â  ...:Â  Â  Â s_tx_data_xor_mask_r = Signal(intbv(0)[1 + 31:])
>
>     Â  Â  ...:Â  Â  Â # *** limited range type for switch ***
>     Â  Â  ...:Â  Â  Â full_case = intbv(0, min=0, max=4)
>
>     Â  Â  ...:Â  Â  Â @always_seq(clk.posedge, rst)
>     Â  Â  ...:Â  Â  Â def fsm_seq():
>     Â  Â  ...:Â  Â  Â  Â  Â for i in range(4):
>     Â  Â  ...:Â  Â  Â  Â  Â  Â  Â full_case[:] = i
>     Â  Â  ...:Â  Â  Â  Â  Â  Â  Â if full_case == 0:
>     Â  Â  ...:Â  Â  Â  Â  Â  Â  Â  Â  Â s_tx_data_xor_mask_r.next[1 +
>     7:0] = 0
>     Â  Â  ...:Â  Â  Â  Â  Â  Â  Â elif full_case == 1:
>     Â  Â  ...:Â  Â  Â  Â  Â  Â  Â  Â  Â s_tx_data_xor_mask_r.next[1 +
>     15:8] = 1
>     Â  Â  ...:Â  Â  Â  Â  Â  Â  Â elif full_case == 2:
>     Â  Â  ...:Â  Â  Â  Â  Â  Â  Â  Â  Â s_tx_data_xor_mask_r.next[1 +
>     23:16] = 2
>     Â  Â  ...:Â  Â  Â  Â  Â  Â  Â else:
>     Â  Â  ...:Â  Â  Â  Â  Â  Â  Â  Â  Â s_tx_data_xor_mask_r.next[1 +
>     31:24] = 3
>     Â  Â  ...:
>     Â  Â  ...:Â  Â  Â return instances()
>
>     The limitation is, when evaluating an if-else structure
>     the conversion code wants to determine if it full-case
>     or not, because the variable switched on is an `int` it
>     throws the type error.  But the code example seems reasonable,
>     I think?
>
>     Regards,
>     Chris
>
>
>
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