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authorJosh Blum <josh@joshknows.com>2012-05-30 13:37:21 -0700
committerJosh Blum <josh@joshknows.com>2012-05-30 13:37:21 -0700
commitb269285353caf5f3b2c867e96e35e60cb4eef479 (patch)
tree9060f83e4cfbcb80771bda9dc337fe97b8f8cd00
parent8b8a60558a1ca032cb4dee908bb7e3935ea31878 (diff)
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fpga: added some parameterization to settings_fifo_ctrl
-rw-r--r--usrp2/control_lib/settings_fifo_ctrl.v9
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