diff options
Diffstat (limited to 'usrp2/control_lib')
-rw-r--r-- | usrp2/control_lib/settings_fifo_ctrl.v | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/usrp2/control_lib/settings_fifo_ctrl.v b/usrp2/control_lib/settings_fifo_ctrl.v index 160112169..3aa6b7ec7 100644 --- a/usrp2/control_lib/settings_fifo_ctrl.v +++ b/usrp2/control_lib/settings_fifo_ctrl.v @@ -238,20 +238,22 @@ module settings_fifo_ctrl reg [31:0] command_hdr_reg; reg [31:0] command_data_reg; - wire now, early, late, too_early; + reg [63:0] vita_time_reg; + always @(posedge clock) + vita_time_reg <= vita_time; + + wire late; `ifndef FIFO_CTRL_NO_TIME time_compare time_compare( - .time_now(vita_time), .trigger_time(command_ticks_reg), - .now(now), .early(early), .late(late), .too_early(too_early)); + .time_now(vita_time_reg), .trigger_time(command_ticks_reg), .late(late)); `else - assign now = 0; assign late = 1; `endif //action occurs in the event state and when there is fifo space (should always be true) //the third condition is that all peripherals in the perfs signal are ready/active high //the fourth condition is that is an event time has been set, action is delayed until that time - wire time_ready = (out_command_has_time)? (now || late) : 1; + wire time_ready = (out_command_has_time)? late : 1; wire action = (cmd_state == EVENT_CMD) && ~result_fifo_full && perfs_ready && time_ready; assign command_fifo_read = action; |