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axis: Use SV enums in AXI stream components

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich
2026-02-27 17:11:30 -08:00
parent 450960c564
commit 1530f8cecf
2 changed files with 18 additions and 15 deletions
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11
src/axis/rtl/taxi_axis_cobs_decode.sv
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@@ -36,12 +36,13 @@ if (m_axis.DATA_W != 8 || s_axis.DATA_W != 8)
$fatal(0, "Error: Interface DATA_W parameter mismatch (instance %m)");
// state register
localparam [1:0]
STATE_IDLE = 2'd0,
STATE_SEGMENT = 2'd1,
STATE_NEXT_SEGMENT = 2'd2;
typedef enum logic [1:0] {
STATE_IDLE,
STATE_SEGMENT,
STATE_NEXT_SEGMENT
} state_t;
logic [1:0] state_reg = STATE_IDLE, state_next;
state_t state_reg = STATE_IDLE, state_next;
logic [7:0] count_reg = 8'd0, count_next;
logic suppress_zero_reg = 1'b0, suppress_zero_next;

22
src/axis/rtl/taxi_axis_cobs_encode.sv
View File

@@ -40,19 +40,21 @@ if (m_axis.DATA_W != 8 || s_axis.DATA_W != 8)
$fatal(0, "Error: Interface DATA_W parameter mismatch (instance %m)");
// state register
localparam [1:0]
INPUT_STATE_IDLE = 2'd0,
INPUT_STATE_SEGMENT = 2'd1,
INPUT_STATE_FINAL_ZERO = 2'd2,
INPUT_STATE_APPEND_ZERO = 2'd3;
typedef enum logic [1:0] {
INPUT_STATE_IDLE,
INPUT_STATE_SEGMENT,
INPUT_STATE_FINAL_ZERO,
INPUT_STATE_APPEND_ZERO
} input_state_t;
logic [1:0] input_state_reg = INPUT_STATE_IDLE, input_state_next;
input_state_t input_state_reg = INPUT_STATE_IDLE, input_state_next;
localparam [0:0]
OUTPUT_STATE_IDLE = 1'd0,
OUTPUT_STATE_SEGMENT = 1'd1;
typedef enum logic [0:0] {
OUTPUT_STATE_IDLE,
OUTPUT_STATE_SEGMENT
} output_state_t;
logic [0:0] output_state_reg = OUTPUT_STATE_IDLE, output_state_next;
output_state_t output_state_reg = OUTPUT_STATE_IDLE, output_state_next;
logic [7:0] input_count_reg = 8'd0, input_count_next;
logic [7:0] output_count_reg = 8'd0, output_count_next;