hf mf sniff: small fixes

[proxmark3-svn] / armsrc / iso14443a.c

diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index 0a9f7c039333764b9f9cbe27d2ee1ddba9b4bba3..7d589f0e64f6354227db678b703d379ba71b4909 100644 (file)
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -189,13 +189,14 @@ void iso14a_set_trigger(bool enable) {
 
 
 void iso14a_set_timeout(uint32_t timeout) {
-       iso14a_timeout = timeout - (DELAY_AIR2ARM_AS_READER + DELAY_ARM2AIR_AS_READER)/(16*8) + 2;
+       // adjust timeout by FPGA delays and 2 additional ssp_frames to detect SOF
+       iso14a_timeout = timeout + (DELAY_AIR2ARM_AS_READER + DELAY_ARM2AIR_AS_READER)/(16*8) + 2;
        if(MF_DBGLEVEL >= 3) Dbprintf("ISO14443A Timeout set to %ld (%dms)", timeout, timeout / 106);
 }
 
 
 uint32_t iso14a_get_timeout(void) {
-       return iso14a_timeout + (DELAY_AIR2ARM_AS_READER + DELAY_ARM2AIR_AS_READER)/(16*8) - 2;
+       return iso14a_timeout - (DELAY_AIR2ARM_AS_READER + DELAY_ARM2AIR_AS_READER)/(16*8) - 2;
 }
 
 //-----------------------------------------------------------------------------
@@ -2481,7 +2482,7 @@ void RAMFUNC SniffMifare(uint8_t param) {
        for(uint32_t sniffCounter = 0; true; ) {
        
                if(BUTTON_PRESS()) {
-                       DbpString("cancelled by button");
+                       DbpString("Canceled by button.");
                        break;
                }
 
@@ -2575,7 +2576,7 @@ void RAMFUNC SniffMifare(uint8_t param) {
 
        } // main cycle
 
-       DbpString("COMMAND FINISHED");
+       DbpString("COMMAND FINISHED.");
 
        FpgaDisableSscDma();
        MfSniffEnd();