Add batch 1 (tiny-tpu-v2_tiny-tpu, chili-chips-ba_wireguard-fpga, ultraembedded_biriscv, EttusResearch_uhd, circuitvalley_USB_C_Industrial_Camera_FPGA_USB3)
7b1962c verified | // | |
| // USRP2 - Universal Software Radio Peripheral Mk II | |
| // | |
| // Copyright (C) 2008 Matt Ettus | |
| // | |
| // This program is free software; you can redistribute it and/or modify | |
| // it under the terms of the GNU General Public License as published by | |
| // the Free Software Foundation; either version 2 of the License, or | |
| // (at your option) any later version. | |
| // | |
| // This program is distributed in the hope that it will be useful, | |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| // GNU General Public License for more details. | |
| // | |
| // You should have received a copy of the GNU General Public License | |
| // along with this program; if not, write to the Free Software | |
| // Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301 USA | |
| // | |
| module cic_strober | |
| #(parameter WIDTH=8) | |
| ( input clock, | |
| input reset, | |
| input enable, | |
| input [WIDTH-1:0] rate, // Rate should EQUAL to your desired divide ratio, no more -1 BS | |
| input strobe_fast, | |
| output wire strobe_slow ); | |
| reg [WIDTH-1:0] counter; | |
| wire now = (counter==1); | |
| assign strobe_slow = now && enable && strobe_fast; | |
| always @(posedge clock) | |
| if(reset) | |
| counter <= 0; | |
| else if (~enable) | |
| counter <= rate; | |
| else if(strobe_fast) | |
| if(now) | |
| counter <= rate; | |
| else | |
| counter <= counter - 1; | |
| endmodule // cic_strober | |