moved into subdir

1 files changed, 0 insertions, 70 deletions

diff --git a/control_lib/sd_spi.v b/control_lib/sd_spi.v
deleted file mode 100644
index 3f4d7f46a..000000000
--- a/control_lib/sd_spi.v
+++ /dev/null
@@ -1,70 +0,0 @@
-module sd_spi
-  (input clk,
-   input rst,
-   
-   // SD Card interface
-   output reg sd_clk,
-   output sd_mosi,
-   input sd_miso,
-   
-   // Controls
-   input [7:0] clk_div,
-   input [7:0] send_dat,
-   output [7:0] rcv_dat,
-   input go,
-   output ready);
-
-   reg [7:0] clk_ctr;   
-   reg [3:0] bit_ctr;
-
-   wire      bit_ready = (clk_ctr == 8'd0);
-   wire      bit_busy = (clk_ctr != 8'd0);
-   wire      bit_done = (clk_ctr == clk_div);
-
-   wire      send_clk_hi = (clk_ctr == (clk_div>>1));
-   wire      latch_dat = (clk_ctr == (clk_div - 8'd2));     
-   wire      send_clk_lo = (clk_ctr == (clk_div - 8'd1));
-
-   wire      send_bit = (bit_ready && (bit_ctr != 0));
-   assign    ready = (bit_ctr == 0);
-   
-   always @(posedge clk)
-     if(rst)
-       clk_ctr <= 0;
-     else if(bit_done)
-       clk_ctr <= 0;
-     else if(bit_busy)
-       clk_ctr <= clk_ctr + 1;
-     else if(send_bit)
-       clk_ctr <= 1;
-
-   always @(posedge clk)
-     if(rst)
-       sd_clk <= 0;
-     else if(send_clk_hi)
-       sd_clk <= 1;
-     else if(send_clk_lo)
-       sd_clk <= 0;
-   
-   always @(posedge clk)
-     if(rst)
-       bit_ctr <= 0;
-     else if(bit_done)
-       if(bit_ctr == 4'd8)
-	 bit_ctr <= 0;
-       else
-	 bit_ctr <= bit_ctr + 1;
-     else if(bit_ready & go)
-       bit_ctr <= 1;
-   
-   reg [7:0] shift_reg;
-   always @(posedge clk)
-     if(go)
-       shift_reg <= send_dat;
-     else if(latch_dat)
-       shift_reg <= {shift_reg[6:0],sd_miso};
-
-   assign    sd_mosi = shift_reg[7];
-   assign    rcv_dat = shift_reg;
-   
-endmodule // sd_spi