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author | Josh Blum <josh@joshknows.com> | 2010-12-10 13:49:56 -0800 |
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committer | Josh Blum <josh@joshknows.com> | 2010-12-10 13:49:56 -0800 |
commit | 16530d02eb8088f6806cb146ceab2fea89c4ee0b (patch) | |
tree | 67d17944c5b07ee0c6a91c0b9edadef8820769b2 /usrp2/vrt | |
parent | 8c7d238c4fde0c3388aba2f91894076af6c5068a (diff) | |
parent | c97440838aa740fc335c59914f6dfd6f492b69f8 (diff) | |
download | uhd-16530d02eb8088f6806cb146ceab2fea89c4ee0b.tar.gz uhd-16530d02eb8088f6806cb146ceab2fea89c4ee0b.tar.bz2 uhd-16530d02eb8088f6806cb146ceab2fea89c4ee0b.zip |
Merge branch 'ise12' into packet_router
Conflicts:
usrp2/top/u2_rev3/Makefile
usrp2/top/u2_rev3/u2_core.v
Diffstat (limited to 'usrp2/vrt')
-rw-r--r-- | usrp2/vrt/vita_tx_control.v | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/usrp2/vrt/vita_tx_control.v b/usrp2/vrt/vita_tx_control.v index 20ad6b995..ab6da8bd0 100644 --- a/usrp2/vrt/vita_tx_control.v +++ b/usrp2/vrt/vita_tx_control.v @@ -40,7 +40,21 @@ module vita_tx_control time_compare time_compare (.time_now(vita_time), .trigger_time(send_time), .now(now), .early(early), .late(late), .too_early()); + + reg late_qual, late_del; + + always @(posedge clk) + if(reset | clear) + late_del <= 0; + else + late_del <= late; + always @(posedge clk) + if(reset | clear) + late_qual <= 0; + else + late_qual <= (sample_fifo_src_rdy_i & ~sample_fifo_dst_rdy_o); + localparam IBS_IDLE = 0; localparam IBS_RUN = 1; // FIXME do we need this? localparam IBS_CONT_BURST = 2; @@ -87,7 +101,7 @@ module vita_tx_control end else if(~send_at | now) ibs_state <= IBS_RUN; - else if(late | too_early) + else if((late_qual & late_del) | too_early) begin ibs_state <= IBS_ERROR; error_code <= CODE_TIME_ERROR; @@ -166,7 +180,7 @@ module vita_tx_control else packet_consumed <= eop & sample_fifo_src_rdy_i & sample_fifo_dst_rdy_o; - assign debug = { { now,early,late,ack,eop,eob,sob,send_at }, + assign debug = { { now,late_qual,late_del,ack,eop,eob,sob,send_at }, { sample_fifo_src_rdy_i, sample_fifo_dst_rdy_o, strobe, run, error, ibs_state[2:0] }, { 8'b0 }, { 8'b0 } }; |