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| author | Matt Ettus <matt@ettus.com> | 2010-07-06 14:28:18 -0700 |
|---|---|---|
| committer | Matt Ettus <matt@ettus.com> | 2011-05-26 17:31:19 -0700 |
| commit | 038ea25032068ea228442dbe86c01f25f51a0d75 (patch) | |
| tree | 1e017e08923d01938b45265778c9f017ec54c401 | |
| parent | 900f8cd5528bd92e1b00c1cdd2a923234bed8466 (diff) | |
| download | uhd-038ea25032068ea228442dbe86c01f25f51a0d75.tar.gz uhd-038ea25032068ea228442dbe86c01f25f51a0d75.tar.bz2 uhd-038ea25032068ea228442dbe86c01f25f51a0d75.zip | |
hook up flow control pins
| -rw-r--r-- | usrp2/gpif/gpif.v | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/usrp2/gpif/gpif.v b/usrp2/gpif/gpif.v index 9697a7f8b..789e22e98 100644 --- a/usrp2/gpif/gpif.v +++ b/usrp2/gpif/gpif.v @@ -23,9 +23,17 @@ module gpif wire WR = gpif_ctl[0]; wire RD = gpif_ctl[1]; wire OE = gpif_ctl[2]; - + wire have_space, have_pkt_rdy; wire [15:0] gpif_dat_out; assign gpif_dat = OE ? gpif_dat_out : 16'bz; + + assign gpif_rdy[0] = have_space; + assign gpif_rdy[1] = have_pkt_rdy; + + wire [15:0] gpif_d_copy = gpif_d; + + assign debug0 = {11'd0, WR, RD, OE, have_space, have_pkt_rdy, gpif_d_copy}; + assign debug1 = 32'd0; // //////////////////////////////////////////////////////////////////// // TX Side @@ -39,7 +47,7 @@ module gpif gpif_wr gpif_wr (.gpif_clk(gpif_clk), .gpif_rst(gpif_rst), - .gpif_data(gpif_d), .gpif_wr(WR), .have_space(gpif_rdy[0]), + .gpif_data(gpif_d), .gpif_wr(WR), .have_space(have_space), .sys_clk(fifo_clk), .sys_rst(fifo_rst), .data_o(tx19_data), .src_rdy_o(tx19_src_rdy), .dst_rdy_i(tx_19_dst_rdy), .debug() ); |