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author | Martin Braun <martin.braun@ettus.com> | 2014-10-07 11:25:20 +0200 |
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committer | Martin Braun <martin.braun@ettus.com> | 2014-10-07 11:25:20 +0200 |
commit | fd3e84941de463fa1a7ebab0a69515b4bf2614cd (patch) | |
tree | 3fa721a13d41d2c0451d663a59a220a38fd5e614 /fpga/usrp2/control_lib/gpio_atr.v | |
parent | 3b66804e41891e358c790b453a7a59ec7462dba4 (diff) | |
download | uhd-fd3e84941de463fa1a7ebab0a69515b4bf2614cd.tar.gz uhd-fd3e84941de463fa1a7ebab0a69515b4bf2614cd.tar.bz2 uhd-fd3e84941de463fa1a7ebab0a69515b4bf2614cd.zip |
Removed copy of FPGA source files.
Diffstat (limited to 'fpga/usrp2/control_lib/gpio_atr.v')
-rw-r--r-- | fpga/usrp2/control_lib/gpio_atr.v | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/fpga/usrp2/control_lib/gpio_atr.v b/fpga/usrp2/control_lib/gpio_atr.v deleted file mode 100644 index 82d72b815..000000000 --- a/fpga/usrp2/control_lib/gpio_atr.v +++ /dev/null @@ -1,71 +0,0 @@ - -// -// Copyright 2011 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/>. -// - - -module gpio_atr - #(parameter BASE = 0, - parameter WIDTH = 32) - (input clk, input reset, - input set_stb, input [7:0] set_addr, input [31:0] set_data, - input rx, input tx, - inout [WIDTH-1:0] gpio, - output reg [31:0] gpio_readback - ); - - wire [WIDTH-1:0] ddr, in_idle, in_tx, in_rx, in_fdx; - reg [WIDTH-1:0] rgpio, igpio; - - setting_reg #(.my_addr(BASE+0), .width(WIDTH)) reg_idle - (.clk(clk),.rst(reset),.strobe(set_stb),.addr(set_addr), .in(set_data), - .out(in_idle),.changed()); - - setting_reg #(.my_addr(BASE+1), .width(WIDTH)) reg_rx - (.clk(clk),.rst(reset),.strobe(set_stb),.addr(set_addr), .in(set_data), - .out(in_rx),.changed()); - - setting_reg #(.my_addr(BASE+2), .width(WIDTH)) reg_tx - (.clk(clk),.rst(reset),.strobe(set_stb),.addr(set_addr), .in(set_data), - .out(in_tx),.changed()); - - setting_reg #(.my_addr(BASE+3), .width(WIDTH)) reg_fdx - (.clk(clk),.rst(reset),.strobe(set_stb),.addr(set_addr), .in(set_data), - .out(in_fdx),.changed()); - - setting_reg #(.my_addr(BASE+4), .width(WIDTH)) reg_ddr - (.clk(clk),.rst(reset),.strobe(set_stb),.addr(set_addr), .in(set_data), - .out(ddr),.changed()); - - always @(posedge clk) - case({tx,rx}) - 2'b00: rgpio <= in_idle; - 2'b01: rgpio <= in_rx; - 2'b10: rgpio <= in_tx; - 2'b11: rgpio <= in_fdx; - endcase // case ({tx,rx}) - - integer n; - always @* - for(n=0;n<WIDTH;n=n+1) - igpio[n] <= ddr[n] ? rgpio[n] : 1'bz; - - assign gpio = igpio; - - always @(posedge clk) - gpio_readback <= gpio; - -endmodule // gpio_atr |