Merge pull request #119 from marshmellow42/pm3+reveng

[proxmark3-svn] / armsrc / lfops.c

diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index 610781d240ed23dcad0fa6ca94c667ec8466aa9e..2079f263d5396007d3b4f37b048ff3a15e78ddf5 100644 (file)
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -645,6 +645,18 @@ static void biphaseSimBit(uint8_t c, int *n, uint8_t clock, uint8_t *phase)
        *n += clock;
 }
 
+static void stAskSimBit(int *n, uint8_t clock) {
+       uint8_t *dest = BigBuf_get_addr();
+       uint8_t halfClk = clock/2;
+       //ST = .5 high .5 low 1.5 high .5 low 1 high    
+       memset(dest+(*n), 1, halfClk);
+       memset(dest+(*n) + halfClk, 0, halfClk);
+       memset(dest+(*n) + clock, 1, clock + halfClk);
+       memset(dest+(*n) + clock*2 + halfClk, 0, halfClk);
+       memset(dest+(*n) + clock*3, 1, clock);
+       *n += clock*4;
+}
+
 // args clock, ask/man or askraw, invert, transmission separator
 void CmdASKsimTag(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream)
 {
@@ -675,8 +687,10 @@ void CmdASKsimTag(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream)
                        }
                }
        }
-       
-       if (separator==1) Dbprintf("sorry but separator option not yet available"); 
+       if (separator==1 && encoding == 1)
+               stAskSimBit(&n, clk);
+       else if (separator==1)
+               Dbprintf("sorry but separator option not yet available");
 
        Dbprintf("Simulating with clk: %d, invert: %d, encoding: %d, separator: %d, n: %d",clk, invert, encoding, separator, n);
        //DEBUG