fix 'hf iclass' (#879)

[proxmark3-svn] / armsrc / iso15693.c

diff --git a/armsrc/iso15693.c b/armsrc/iso15693.c
index 3b39d576fbe8930091dbb3f232613c2a4631e925..bb5bdfe273385d8428ea9689d1c933d8dcb9eab3 100644 (file)
--- a/armsrc/iso15693.c
+++ b/armsrc/iso15693.c
@@ -256,11 +256,10 @@ void TransmitTo15693Tag(const uint8_t *cmd, int len, uint32_t *start_time) {
 
        *start_time = (*start_time - DELAY_ARM_TO_TAG) & 0xfffffff0;
 
-       while (GetCountSspClk() > *start_time) { // we may miss the intended time
-               *start_time += 16; // next possible time
+       if (GetCountSspClk() > *start_time) { // we may miss the intended time
+               *start_time = (GetCountSspClk() + 16) & 0xfffffff0; // next possible time
        }
 
-
        while (GetCountSspClk() < *start_time)
                /* wait */ ;
 
@@ -449,11 +448,11 @@ static int inline __attribute__((always_inline)) Handle15693SamplesFromTag(uint1
                                DecodeTag->posCount = 2;
                                DecodeTag->state = STATE_TAG_RECEIVING_DATA;
                                FpgaDisableTracing(); // DEBUGGING
-                               Dbprintf("amplitude = %d, threshold_sof = %d, threshold_half/4 = %d, previous_amplitude = %d",
-                                       amplitude,
-                                       DecodeTag->threshold_sof,
-                                       DecodeTag->threshold_half/4,
-                                       DecodeTag->previous_amplitude); // DEBUGGING
+                               // Dbprintf("amplitude = %d, threshold_sof = %d, threshold_half/4 = %d, previous_amplitude = %d",
+                                       // amplitude,
+                                       // DecodeTag->threshold_sof,
+                                       // DecodeTag->threshold_half/4,
+                                       // DecodeTag->previous_amplitude); // DEBUGGING
                                LED_C_ON();
                        } else {
                                DecodeTag->posCount++;