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| author | Josh Blum <josh@joshknows.com> | 2012-05-30 13:37:21 -0700 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2012-05-30 13:37:21 -0700 |
| commit | b269285353caf5f3b2c867e96e35e60cb4eef479 (patch) | |
| tree | 9060f83e4cfbcb80771bda9dc337fe97b8f8cd00 /usrp2 | |
| parent | 8b8a60558a1ca032cb4dee908bb7e3935ea31878 (diff) | |
| download | uhd-b269285353caf5f3b2c867e96e35e60cb4eef479.tar.gz uhd-b269285353caf5f3b2c867e96e35e60cb4eef479.tar.bz2 uhd-b269285353caf5f3b2c867e96e35e60cb4eef479.zip | |
fpga: added some parameterization to settings_fifo_ctrl
Diffstat (limited to 'usrp2')
| -rw-r--r-- | usrp2/control_lib/settings_fifo_ctrl.v | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/usrp2/control_lib/settings_fifo_ctrl.v b/usrp2/control_lib/settings_fifo_ctrl.v index 82651e776..37f11776e 100644 --- a/usrp2/control_lib/settings_fifo_ctrl.v +++ b/usrp2/control_lib/settings_fifo_ctrl.v @@ -19,6 +19,7 @@ module settings_fifo_ctrl #( + parameter XPORT_HDR = 1, //extra transport hdr line parameter PROT_DEST = 0, //protocol framer destination parameter PROT_HDR = 1, //needs a protocol header? parameter ACK_SID = 0 //stream ID for packet ACK @@ -120,6 +121,8 @@ module settings_fifo_ctrl localparam WAIT_EOF = 10; localparam STORE_CMD = 11; + localparam START_STATE = (XPORT_HDR)? READ_LINE0 : VITA_HDR; + reg [4:0] in_state; //holdover from current read inputs @@ -140,13 +143,13 @@ module settings_fifo_ctrl always @(posedge clock) begin if (reset) begin - in_state <= READ_LINE0; + in_state <= START_STATE; end else begin case (in_state) READ_LINE0: begin - if (reading/* && in_data[32]*/) in_state <= VITA_HDR; + if (reading) in_state <= VITA_HDR; end VITA_HDR: begin @@ -216,7 +219,7 @@ module settings_fifo_ctrl end STORE_CMD: begin - if (~command_fifo_full) in_state <= READ_LINE0; + if (~command_fifo_full) in_state <= START_STATE; end endcase //in_state |