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Define Gray code states

List the states using Gray code and assign Gray code values to each state.

Start file

typedef enum logic [3:0] {
  S   = 4'b    ,
  S   = 4'b    ,
  S   = 4'b    ,
  S   = 4'b    ,
  S   = 4'b    ,
  S   = 4'b    ,
  S   = 4'b    ,
  S   = 4'b    ,
  S   = 4'b    ,
  S   = 4'b    ,
  S   = 4'b    ,
  S   = 4'b    ,
  S   = 4'b    ,
  S   = 4'b    ,
  S   = 4'b    ,
  S   = 4'b    
} state_t;

End file

typedef enum logic [3:0] {
  S00 = 4'b0000,
  S01 = 4'b0001,
  S02 = 4'b0011,
  S03 = 4'b0010,
  S04 = 4'b0110,
  S05 = 4'b0111,
  S06 = 4'b0101,
  S07 = 4'b0100,
  S08 = 4'b1100,
  S09 = 4'b1101,
  S10 = 4'b1111,
  S11 = 4'b1110,
  S12 = 4'b1010,
  S13 = 4'b1011,
  S14 = 4'b1001,
  S15 = 4'b1000
} state_t;

View Diff

2,17c2,17
<   S   = 4'b    ,
<   S   = 4'b    ,
<   S   = 4'b    ,
<   S   = 4'b    ,
<   S   = 4'b    ,
<   S   = 4'b    ,
<   S   = 4'b    ,
<   S   = 4'b    ,
<   S   = 4'b    ,
<   S   = 4'b    ,
<   S   = 4'b    ,
<   S   = 4'b    ,
<   S   = 4'b    ,
<   S   = 4'b    ,
<   S   = 4'b    ,
<   S   = 4'b    
---
>   S00 = 4'b0000,
>   S01 = 4'b0001,
>   S02 = 4'b0011,
>   S03 = 4'b0010,
>   S04 = 4'b0110,
>   S05 = 4'b0111,
>   S06 = 4'b0101,
>   S07 = 4'b0100,
>   S08 = 4'b1100,
>   S09 = 4'b1101,
>   S10 = 4'b1111,
>   S11 = 4'b1110,
>   S12 = 4'b1010,
>   S13 = 4'b1011,
>   S14 = 4'b1001,
>   S15 = 4'b1000

Solutions by @cotarmanach:

Created by: @maharba6 Tweet

11 active golfers, 36 entries

Solutions by @cotarmanach:

112

#9 - cotarmanach / @cotarmanach

06/04/2024 at 09:03PM

120

#>10 - cotarmanach / @cotarmanach

06/04/2024 at 08:12PM