URL
https://opencores.org/ocsvn/srdydrdy_lib/srdydrdy_lib/trunk
Subversion Repositories srdydrdy_lib
Compare Revisions
- This comparison shows the changes necessary to convert path
/
- from Rev 27 to Rev 28
- ↔ Reverse comparison
Rev 27 → Rev 28
/srdydrdy_lib/trunk/rtl/verilog/utility/sd_bpdrop.v
31,7 → 31,9
input clk, |
input reset, |
|
input g_enable, |
input [cnt_sz-1:0] g_max_count, |
output reg g_drop, // token frame was sunk |
|
input c_srdy, |
input c_fr_start, // start of frame signal |
53,17 → 55,22
np_srdy = 0; |
nxt_state = state; |
nxt_count = count; |
g_drop = 0; |
|
case (state) |
s_idle : |
begin |
|
if (c_srdy & c_fr_start) |
if (!g_enable) |
begin |
nc_drdy = p_drdy; |
np_srdy = c_srdy; |
end |
else if (c_srdy & c_fr_start) |
begin |
np_srdy = 1; |
if (p_drdy) |
begin |
nc_drdy = 1; |
np_srdy = 1; |
nxt_state = s_xfer; |
end |
else |
73,6 → 80,7
begin |
nc_drdy = 1; |
nxt_state = s_sink; |
g_drop = 1; |
end |
end |
end |
89,14 → 97,11
s_xfer : |
begin |
nxt_count = 0; |
if (c_srdy & p_drdy) |
begin |
nc_drdy = 1; |
np_srdy = 1; |
if (c_fr_end) |
nxt_state = s_idle; |
end |
end // case: s_xfer |
np_srdy = c_srdy; |
nc_drdy = p_drdy; |
if (c_srdy & p_drdy & c_fr_end) |
nxt_state = s_idle; |
end // case: s_xfer |
|
s_sink : |
begin |