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CHG: lf em - some minor psk detection changes.

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This commit is contained in:
iceman1001
2017-02-16 21:52:14 +01:00
parent 1a4b907335
commit 6f93185537
1 changed files with 6 additions and 4 deletions
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8
client/cmdlfem4x.c
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@@ -546,8 +546,10 @@ bool downloadSamplesEM(){
bool doPreambleSearch(size_t *startIdx){ bool doPreambleSearch(size_t *startIdx){
// sanity check // sanity check
if ( DemodBufferLen < EM_PREAMBLE_LEN) if ( DemodBufferLen < EM_PREAMBLE_LEN) {
if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305 demodbuffer too small");
return FALSE; return FALSE;
}
// skip first two 0 bits as they might have been missed in the demod // skip first two 0 bits as they might have been missed in the demod
uint8_t preamble[EM_PREAMBLE_LEN] = {0,0,1,0,1,0}; uint8_t preamble[EM_PREAMBLE_LEN] = {0,0,1,0,1,0};
@@ -591,7 +593,7 @@ bool detectFSK(){
// PSK clocks should be easy to detect ( but difficult to demod a non-repeating pattern... ) // PSK clocks should be easy to detect ( but difficult to demod a non-repeating pattern... )
bool detectPSK(){ bool detectPSK(){
int ans = GetPskClock("", FALSE, FALSE); int ans = GetPskClock("", FALSE, FALSE);
if (!ans) { if (ans <= 0) {
if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: PSK clock failed"); if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: PSK clock failed");
return FALSE; return FALSE;
} }
@@ -601,7 +603,7 @@ bool detectPSK(){
// try manchester - NOTE: ST only applies to T55x7 tags. // try manchester - NOTE: ST only applies to T55x7 tags.
bool detectASK_MAN(){ bool detectASK_MAN(){
bool stcheck = FALSE; bool stcheck = FALSE;
int ans = ASKDemod_ext("0 0 0", TRUE, FALSE, 1, &stcheck); int ans = ASKDemod_ext("0 0 0", FALSE, FALSE, 1, &stcheck);
if (!ans) { if (!ans) {
if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: ASK/Manchester Demod failed"); if (g_debugMode) PrintAndLog("DEBUG: Error - EM4305: ASK/Manchester Demod failed");
return FALSE; return FALSE;