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author | Johnathan Corgan | 2010-02-28 12:47:43 -0800 |
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committer | Johnathan Corgan | 2010-02-28 12:47:43 -0800 |
commit | a2c00f5cff7407ff10fc6c812d06fefe52c0b6a3 (patch) | |
tree | 77121ca27b951f9bd687dbba33f6a9383ac74d5a /usrp2/fpga/models/cpld_model.v | |
parent | db29a2cfc18554ae0a3c55a4e13dc4cbfa86317f (diff) | |
download | gnuradio-a2c00f5cff7407ff10fc6c812d06fefe52c0b6a3.tar.gz gnuradio-a2c00f5cff7407ff10fc6c812d06fefe52c0b6a3.tar.bz2 gnuradio-a2c00f5cff7407ff10fc6c812d06fefe52c0b6a3.zip |
Remove usrp1 and usrp2 FPGA files. These are now hosted at:
git://ettus.sourcerepo.com/ettus/fpga.git
...under the 'usrp1' and 'usrp2' top-level directories.
Diffstat (limited to 'usrp2/fpga/models/cpld_model.v')
-rw-r--r-- | usrp2/fpga/models/cpld_model.v | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/usrp2/fpga/models/cpld_model.v b/usrp2/fpga/models/cpld_model.v deleted file mode 100644 index c886433ae..000000000 --- a/usrp2/fpga/models/cpld_model.v +++ /dev/null @@ -1,96 +0,0 @@ - -module cpld_model - (input aux_clk, input start, input mode, input done, - output dout, output reg sclk, output detached); - - reg [7:0] rom[0:65535]; - - reg [15:0] addr; - reg [7:0] data; - assign dout = data[7]; - - reg [2:0] state, bitcnt; - - localparam IDLE = 3'd0; - localparam READ = 3'd1; - localparam BIT1 = 3'd2; - localparam BIT2 = 3'd3; - localparam DONE = 3'd4; - localparam DETACHED = 3'd5; - localparam ERROR = 3'd7; - - integer i; - reg [1023:0] ROMFile; - - initial begin - for (i=0;i<65536;i=i+1) begin - rom[i] <= 32'h0; - end - if ( !$value$plusargs( "rom=%s", ROMFile ) ) - begin - $display( "Using default ROM file, 'flash.rom'" ); - ROMFile = "flash.rom"; - end - else - $display( "Using %s as ROM file.", ROMFile); - - #1 $readmemh( ROMFile,rom ); - end - - initial addr = 16'd0; - initial data = 8'd0; - initial state = IDLE; - initial bitcnt = 3'd0; - initial sclk = 1'b0; - - always @(posedge aux_clk) - case(state) - IDLE : - if(start) - if(~mode) - state <= READ; - else - state <= ERROR; - READ : - if(done) - state <= DONE; - else - begin - data <= rom[addr]; - addr <= addr + 1; - bitcnt <= 3'd0; - if(addr==16'hFFFF) - state <= ERROR; - else - state <= BIT1; - end // else: !if(start) - BIT1 : - begin - sclk <= 1'b1; - state <= BIT2; - end - BIT2 : - begin - sclk <= 1'b0; - data <= {data[6:0],1'b0}; - bitcnt <= bitcnt + 1; - if(bitcnt==7) - state <= READ; - else - state <=BIT1; - end - DONE : - begin - if(start) - state <= ERROR; - else - state <= DETACHED; - end - DETACHED : - if(start) - state <= ERROR; - endcase // case(state) - - assign detached = (state == DETACHED) || (state == IDLE); - -endmodule // cpld_model |