Remove usrp1 and usrp2 FPGA files. These are now hosted at:

[debian/gnuradio] / usrp / fpga / inband_lib / channel_ram.v

diff --git a/usrp/fpga/inband_lib/channel_ram.v b/usrp/fpga/inband_lib/channel_ram.v
deleted file mode 100755 (executable)
index 9621246..0000000
--- a/usrp/fpga/inband_lib/channel_ram.v
+++ /dev/null
@@ -1,107 +0,0 @@
-module channel_ram 
-   ( // System
-     input txclk, input reset,
-     // USB side
-     input [31:0] datain, input WR, input WR_done, output have_space,
-     // Reader side 
-     output [31:0] dataout, input RD, input RD_done, output packet_waiting);
-       
-   reg [6:0] wr_addr, rd_addr;
-   reg [1:0] which_ram_wr, which_ram_rd;
-   reg [2:0] nb_packets;
-       
-   reg [31:0] ram0 [0:127];
-   reg [31:0] ram1 [0:127];
-   reg [31:0] ram2 [0:127];
-   reg [31:0] ram3 [0:127];
-       
-   reg [31:0] dataout0;
-   reg [31:0] dataout1;
-   reg [31:0] dataout2;
-   reg [31:0] dataout3;
-       
-   wire wr_done_int;
-   wire rd_done_int;
-   wire [6:0] rd_addr_final;
-   wire [1:0] which_ram_rd_final;
-       
-   // USB side
-   always @(posedge txclk)
-       if(WR & (which_ram_wr == 2'd0)) ram0[wr_addr] <= datain;
-                       
-   always @(posedge txclk)
-       if(WR & (which_ram_wr == 2'd1)) ram1[wr_addr] <= datain;
-
-   always @(posedge txclk)
-       if(WR & (which_ram_wr == 2'd2)) ram2[wr_addr] <= datain;
-
-   always @(posedge txclk)
-       if(WR & (which_ram_wr == 2'd3)) ram3[wr_addr] <= datain;
-
-   assign wr_done_int = ((WR && (wr_addr == 7'd127)) || WR_done);
-   
-   always @(posedge txclk)
-       if(reset)
-           wr_addr <= 0;
-       else if (WR_done)
-           wr_addr <= 0;
-       else if (WR) 
-           wr_addr <= wr_addr + 7'd1;
-               
-   always @(posedge txclk)
-      if(reset)
-          which_ram_wr <= 0;
-      else if (wr_done_int) 
-          which_ram_wr <= which_ram_wr + 2'd1;
-       
-   assign have_space = (nb_packets < 3'd3);
-               
-   // Reader side
-   // short hand fifo
-   // rd_addr_final is what rd_addr is going to be next clock cycle
-   // which_ram_rd_final is what which_ram_rd is going to be next clock cycle
-   always @(posedge txclk)  dataout0 <= ram0[rd_addr_final];
-   always @(posedge txclk)  dataout1 <= ram1[rd_addr_final];
-   always @(posedge txclk)  dataout2 <= ram2[rd_addr_final];
-   always @(posedge txclk)  dataout3 <= ram3[rd_addr_final];
-       
-   assign dataout = (which_ram_rd_final[1]) ? 
-                    (which_ram_rd_final[0] ? dataout3 : dataout2) :
-                    (which_ram_rd_final[0] ? dataout1 : dataout0);
-
-   //RD_done is the only way to signal the end of one packet
-   assign rd_done_int = RD_done;   
-
-   always @(posedge txclk)
-       if (reset)
-           rd_addr <= 0;
-       else if (RD_done)
-           rd_addr <= 0;
-       else if (RD) 
-           rd_addr <= rd_addr + 7'd1;
-                       
-   assign rd_addr_final = (reset|RD_done) ? (6'd0) : 
-                         ((RD)?(rd_addr+7'd1):rd_addr); 
-       
-   always @(posedge txclk)
-       if (reset)
-           which_ram_rd <= 0;
-       else if (rd_done_int)
-           which_ram_rd <= which_ram_rd + 2'd1;
-
-   assign which_ram_rd_final = (reset) ? (2'd0):
-                              ((rd_done_int) ? (which_ram_rd + 2'd1) : which_ram_rd);
-                               
-   //packet_waiting is set to zero if rd_done_int is high
-   //because there is no guarantee that nb_packets will be pos.
-
-   assign packet_waiting = (nb_packets > 1) | ((nb_packets == 1)&(~rd_done_int));
-   always @(posedge txclk)
-       if (reset)
-           nb_packets <= 0;
-       else if (wr_done_int & ~rd_done_int)
-           nb_packets <= nb_packets + 3'd1;
-       else if (rd_done_int & ~wr_done_int)
-           nb_packets <= nb_packets - 3'd1;
-                       
-endmodule