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| author | Matt Ettus <matt@ettus.com> | 2010-03-24 17:22:39 -0700 |
|---|---|---|
| committer | Matt Ettus <matt@ettus.com> | 2010-03-24 17:22:39 -0700 |
| commit | dce164d82eac11e2fc74d91d4c144ef4fff0be49 (patch) | |
| tree | e4ab17bbf35d95abedb29e487e32729b896f065c | |
| parent | fc32fa87bc579dfcb04a7a404e6785ac0dc86949 (diff) | |
| download | uhd-dce164d82eac11e2fc74d91d4c144ef4fff0be49.tar.gz uhd-dce164d82eac11e2fc74d91d4c144ef4fff0be49.tar.bz2 uhd-dce164d82eac11e2fc74d91d4c144ef4fff0be49.zip | |
bigger fifo on UDP TX path, to possibly fix overruns on decim=4
| -rw-r--r-- | usrp2/top/u2_core/u2_core.v | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/usrp2/top/u2_core/u2_core.v b/usrp2/top/u2_core/u2_core.v index 8c79797fe..44715a04f 100644 --- a/usrp2/top/u2_core/u2_core.v +++ b/usrp2/top/u2_core/u2_core.v @@ -440,15 +440,24 @@ module u2_core .mdio(MDIO), .mdc(MDC), .debug(debug_mac)); + wire [35:0] buffer_udp; + wire udp_src_rdy, udp_dst_rdy; + udp_wrapper #(.BASE(SR_UDP_SM)) udp_wrapper (.clk(dsp_clk), .reset(dsp_rst), .clear(0), .set_stb(set_stb), .set_addr(set_addr), .set_data(set_data), .rx_f19_data(rx_f19_data), .rx_f19_src_rdy_i(rx_f19_src_rdy), .rx_f19_dst_rdy_o(rx_f19_dst_rdy), .tx_f19_data(tx_f19_data), .tx_f19_src_rdy_o(tx_f19_src_rdy), .tx_f19_dst_rdy_i(tx_f19_dst_rdy), .rx_f36_data({wr2_flags,wr2_dat}), .rx_f36_src_rdy_o(wr2_ready_i), .rx_f36_dst_rdy_i(wr2_ready_o), - .tx_f36_data({rd2_flags,rd2_dat}), .tx_f36_src_rdy_i(rd2_ready_o), .tx_f36_dst_rdy_o(rd2_ready_i), +// .tx_f36_data({rd2_flags,rd2_dat}), .tx_f36_src_rdy_i(rd2_ready_o), .tx_f36_dst_rdy_o(rd2_ready_i), + .tx_f36_data(buffer_udp), .tx_f36_src_rdy_i(udp_src_rdy), .tx_f36_dst_rdy_o(udp_dst_rdy), .debug(debug_udp) ); - + + fifo_cascade #(.WIDTH(36), .SIZE(10)) txudp_fifo_cascade + (.clk(dsp_clk), .reset(dsp_rst), .clear(0), + .datain({rd2_flags,rd2_dat}), .src_rdy_i(rd2_ready_o), .dst_rdy_o(rd2_ready_i), + .dataout(buffer_udp), .src_rdy_o(udp_src_rdy), .dst_rdy_i(udp_dst_rdy)); + // ///////////////////////////////////////////////////////////////////////// // Settings Bus -- Slave #7 settings_bus settings_bus |