[BangPypers] One python question (from verilog)

[Deepak Patel]

Pradeep,

Thanks.

I am not aware if Python provides the feature of accessing the  value by its
bit poition:
Can we do  "if read_data[bit_pos] === poll_val:" in Python? Can you please
let me know little bit more about this line?
Whether Read_data will be declread as list() or dict()?
Thanks,
Deepak



On Fri, Sep 19, 2008 at 5:44 PM, Pradeep Gowda <pradeep at btbytes.com> wrote:

> The syntax looks familiar, almost python like.
> The equivalent python code would be*:
>
> def poll_reg(bit_pos, poll_val, reg_offset):
>    matched = 0
>        while matched != 1:
>                read_data = read_reg(reg_offset)
>                if read_data[bit_pos] === poll_val:
>                        matched = 1
>                else:
>                        matched = 0
>        return matched
>
> * Implementing read_reg is left as an exercise to the developer :p
>
> I'm not aware of any python library methods which allow one to access
> registers. But, the read_reg() can be implmented in C and
> imported into Python.
>
> Any low level operation like register access is usually delegated to .
>
> HTH,
> PG
>
>
> On Sep 19, 2008, at 7:02 PM, Deepak Patel wrote:
>
>   Hello all,
>>
>> I want to a write a method in Python to poll a register for '1' or '0'. It
>> is kind of very simple in verilog, but not sure if python provides
>> flexibility or not.
>>
>> My algorithm (kind of Verilog syntax where I can access the bits without
>> any extra processing) is as follows:
>>
>> poll_reg ( input bit_pos, input poll_val, reg_offset)
>> {
>> // In this bit_pos is the position of bit in my register read which are
>> being polled to become poll_val. Poll_val can be either 0 or 1.
>>
>>          matched = 0;
>>          while (matched != 1)
>>          begin
>>                  read_data = read_reg(reg_offset);
>>                  if (read_data[bit_pos] == poll_val)
>>                  begin
>>                            matched = 1;
>>                   end
>>                   else
>>                   begin
>>                             matched = 0;
>>                   end
>>             end
>> }
>>
>> Is there a way to do above in Python?
>> Thanks,
>> Deepak
>>
>>
>>
>>
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>
> Pradeep Kishore Gowda
> http://pradeepgowda.com
> pradeep at btbytes.com
> +1-317-564-4660 (Day Phone)
>
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