diff options
Diffstat (limited to 'fpga/usrp2/control_lib/user_settings.v')
-rw-r--r-- | fpga/usrp2/control_lib/user_settings.v | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/fpga/usrp2/control_lib/user_settings.v b/fpga/usrp2/control_lib/user_settings.v deleted file mode 100644 index d87f1de21..000000000 --- a/fpga/usrp2/control_lib/user_settings.v +++ /dev/null @@ -1,63 +0,0 @@ -// -// Copyright 2012 Ettus Research LLC -// -// 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 3 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, see <http://www.gnu.org/licenses/>. -// - -// User settings bus -// -// Provides 8-bit address, 32-bit data write only bus for user settings, consumes to addresses in -// normal settings bus. -// -// Write user address to BASE -// Write user data to BASE+1 -// -// The user_set_stb will strobe after data write, must write new address even if same as previous one. - -module user_settings - #(parameter BASE=0) - (input clk, - input rst, - - input set_stb, - input [7:0] set_addr, - input [31:0] set_data, - - output set_stb_user, - output [7:0] set_addr_user, - output [31:0] set_data_user - ); - - wire addr_changed, data_changed; - reg stb_int; - - setting_reg #(.my_addr(BASE+0),.width(8)) sr_0 - (.clk(clk),.rst(rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(set_addr_user),.changed(addr_changed) ); - - setting_reg #(.my_addr(BASE+1)) sr_1 - (.clk(clk),.rst(rst),.strobe(set_stb),.addr(set_addr), - .in(set_data),.out(set_data_user),.changed(data_changed) ); - - always @(posedge clk) - if (rst|set_stb_user) - stb_int <= 0; - else - if (addr_changed) - stb_int <= 1; - - assign set_stb_user = stb_int & data_changed; - -endmodule // user_settings - |