jens/vhdl
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

- bugfix: interframe gap counter was not effective

Browse Source 
Committed on the Free edition of March Hare Software CVSNT Server.
Upgrade to CVS Suite for more features and support:
http://march-hare.com/cvsnt/


git-svn-id: http://moon:8086/svn/vhdl/trunk@875 cc03376c-175c-47c8-b038-4cd826a8556b
This commit is contained in:
jens
2010-04-07 21:24:42 +00:00
parent 1f1d858f18
commit 59da541fca
1 changed files with 7 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/emac/src/emac_tx.vhd
+7 -8
View File
@@ -413,7 +413,6 @@ interframe_gap_counter:
ifg_idle <= '0'; ifg_idle <= '0';
if reset_en = '1' or piso32_dout_vld = '1' then if reset_en = '1' or piso32_dout_vld = '1' then
ifg_cnt <= ifg_cnt_t'high; ifg_cnt <= ifg_cnt_t'high;
ifg_idle <= '1';
elsif ifg_cnt /= 0 then elsif ifg_cnt /= 0 then
ifg_cnt <= ifg_cnt - 1; ifg_cnt <= ifg_cnt - 1;
else else
@@ -494,13 +493,15 @@ xfer_state:
xfer_sn <= xfer_idle; xfer_sn <= xfer_idle;
when xfer_idle => when xfer_idle =>
if cmd_fifo_empty = '0' and piso32_din_rdy = '1' then if cmd_fifo_empty = '0' then
xfer_sn <= xfer_start; xfer_sn <= xfer_start;
end if; end if;
when xfer_start => when xfer_start =>
xfer_set <= '1'; xfer_set <= '1';
xfer_sn <= xfer_preamble0; if cmd_fifo_empty = '0' and ifg_idle = '1' then
xfer_sn <= xfer_preamble0;
end if;
when xfer_preamble0 => when xfer_preamble0 =>
preamble_addr <= 0; preamble_addr <= 0;
@@ -523,8 +524,6 @@ xfer_state:
piso32_din_vld <= xfer_bsy; piso32_din_vld <= xfer_bsy;
xfer_en <= '1'; xfer_en <= '1';
if xfer_bsy = '0' then if xfer_bsy = '0' then
uncommit_en <= '1';
xfer_free_en <= '1';
xfer_sn <= xfer_crc; xfer_sn <= xfer_crc;
end if; end if;
@@ -537,9 +536,9 @@ xfer_state:
end if; end if;
when xfer_finish => when xfer_finish =>
if ifg_idle = '0' then uncommit_en <= '1';
xfer_sn <= xfer_idle; xfer_free_en <= '1';
end if; xfer_sn <= xfer_idle;
when others => when others =>
xfer_sn <= xfer_idle; xfer_sn <= xfer_idle;