Anand,
Thanks. I am sure that this C like operation should work, I have not yet
checked it though.
Deepak
On Fri, Sep 19, 2008 at 6:47 PM, Anand Chitipothu <[EMAIL PROTECTED]>wrote:
> On Sat, Sep 20, 2008 at 4:32 AM, Deepak Patel <[EMAIL PROTECTED]>
> 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
> > }
>
> This is more C-like bit operation. You need to get a mask by right
> shiting 1 by bit_pos and do binary AND with the register value.
>
> def poll_reg(bit_pos, poll_val, reg_offset):
> mask = 1 << bit_pos
> while read_read(reg_offset) & mask == poll_val:
> continue
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