Re: [myhdl-list] subtype RamWord_t

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

That is correct, the first creates 14bits and the second
16bits as you specified.

     In [4] : RAM_WIDTH_C = 16
              RAM_SIZE_C = 16384
              t1 = intbv(0, min=0, max=RAM_SIZE_C)
              t2 = intbv(0, min=0, max=2**RAM_WIDTH_C)
              print(len(t1), len(t2))
     (14, 16)

     Int[5]: 2**14
     Out[5]: 16384

Regards,
Chris


On 10/2/2014 2:38 PM, Edward Vidal wrote:
> Hello all,
> In the process of learning myhdl and trying to convert a vdh code snippet to myhdl.
> RAM_WIDTH_C = 16 is defined as constant
>
> subtype RamWord_t is unsigned(RAM_WIDTH_C-1 downto 0);  -- RAM word type.
>
>
> RAM_SIZE_C = 16384
> For addr I used
>
> addr_r = addr_r = Signal(intbv(0, min = 0, max = RAM_SIZE_C))
>
> which converted  addr_r: out unsigned(13 downto 0); which
> I am trying dataToRam_r = Signal(intbv(0, min = 0, max = 2**RAM_WIDTH_C - 1))
> which is correct I think but not of subtype RamWord_t
> dataToRam_r: out unsigned(15 downto 0);
>
> What is the process to make it of type RamWord_t
> Any and all help is appreciated.
>
> Edward Vidal Jr.
> e-mail dev...@sb...
> 915-595-1613
>
>
>
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