fix hitag functions (issue #798) (#800)

[proxmark3-svn] / fpga / hi_read_tx.v

diff --git a/fpga/hi_read_tx.v b/fpga/hi_read_tx.v
index fc309cde6cedb60fd86f12a72aaeb44110f832e2..819f1697ed7d4f74a47e8aa51e62dbf283c2e9b7 100644 (file)
--- a/fpga/hi_read_tx.v
+++ b/fpga/hi_read_tx.v
@@ -42,11 +42,11 @@ begin
         pwr_hi <= ck_1356megb;
         pwr_oe1 <= 1'b0;
         pwr_oe3 <= 1'b0;
         pwr_hi <= ck_1356megb;
         pwr_oe1 <= 1'b0;
         pwr_oe3 <= 1'b0;

-        pwr_oe4 <= ~ssp_dout;
+        pwr_oe4 <= ssp_dout;

     end
     else
     begin
     end
     else
     begin

-        pwr_hi <= ck_1356megb & ssp_dout;
+        pwr_hi <= ck_1356megb & ~ssp_dout;

         pwr_oe1 <= 1'b0;
         pwr_oe3 <= 1'b0;
         pwr_oe4 <= 1'b0;
         pwr_oe1 <= 1'b0;
         pwr_oe3 <= 1'b0;
         pwr_oe4 <= 1'b0;


@@ -71,21 +71,8 @@ always @(negedge ssp_clk)
 
 assign ssp_frame = (hi_byte_div == 3'b000);
 
 
 assign ssp_frame = (hi_byte_div == 3'b000);
 

-// Implement a hysteresis to give out the received signal on
-// ssp_din. Sample at fc.
-assign adc_clk = ck_1356meg;
+assign ssp_din = 1'b0;

 
 

-// ADC data appears on the rising edge, so sample it on the falling edge
-reg after_hysteresis;
-always @(negedge adc_clk)
-begin
-    if(& adc_d[7:0]) after_hysteresis <= 1'b1;
-    else if(~(| adc_d[7:0])) after_hysteresis <= 1'b0;
-end
-
-
-assign ssp_din = after_hysteresis;
-
-assign dbg = ssp_din;
+assign dbg = ssp_frame;

 
 

-endmodule
+endmodule
\ No newline at end of file