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CHG: cleaning up stuff

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This commit is contained in:
iceman1001 2017-01-03 01:20:03 +01:00
parent 34c3082338
commit deba67ab57
4 changed files with 20 additions and 39 deletions
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1
client/cmdlfawid.c
View file

@ -115,7 +115,6 @@ static bool sendTry(uint8_t fmtlen, uint32_t fc, uint32_t cn, uint32_t delay, ui
return TRUE;
}
int CmdAWIDDemodFSK(const char *Cmd) {
int findone = 0;
if (Cmd[0] == 'h' || Cmd[0] == 'H') return usage_lf_awid_fskdemod();

10
client/cmdlfjablotron.c
View file

@ -82,16 +82,12 @@ int CmdJablotronDemod(const char *Cmd) {
int ans = JablotronDemod(DemodBuffer, &size);
if (ans < 0){
if (g_debugMode){
// if (ans == -5)
// PrintAndLog("DEBUG: Error - Jablotron not enough samples");
if (ans == -1)
PrintAndLog("DEBUG: Error - Jablotron too few bits found");
// else if (ans == -2)
// PrintAndLog("DEBUG: Error - Jablotron problem during ASK/Biphase demod");
else if (ans == -3)
PrintAndLog("DEBUG: Error - Jablotron Size not correct: %d", size);
else if (ans == -4)
else if (ans == -2)
PrintAndLog("DEBUG: Error - Jablotron preamble not found");
else if (ans == -3)
PrintAndLog("DEBUG: Error - Jablotron size not correct: %d", size);
else if (ans == -5)
PrintAndLog("DEBUG: Error - Jablotron checksum failed");
else

4
client/cmdlfnedap.c
View file

@ -298,7 +298,7 @@ int CmdLFNedapSim(const char *Cmd) {
}
int CmdLFNedapChk(const char *Cmd){
//301600714021BE
uint8_t data[256] = { 0x30, 0x16, 0x00, 0x71, 0x40, 0x21, 0xBE};
int len = 0;
param_gethex_ex(Cmd, 0, data, &len);
@ -340,7 +340,7 @@ int CmdLFNedapChk(const char *Cmd){
}
}
PrintAndLog("Nedap checksum: [ 0x21, 0xBE ] %x", ((ch << 8) | cl) );
PrintAndLog("Nedap checksum: 0x%X", ((ch << 8) | cl) );
return 0;
}

34
common/lfdemod.c
View file

@ -677,7 +677,6 @@ int IOdemodFSK(uint8_t *dest, size_t size)
int VikingDemod_AM(uint8_t *dest, size_t *size) {
//make sure buffer has data
if (*size < 64*2) return -2;
size_t startIdx = 0;
uint8_t preamble[] = {1,1,1,1,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
uint8_t errChk = preambleSearch(dest, preamble, sizeof(preamble), size, &startIdx);
@ -734,48 +733,35 @@ int PrescoDemod(uint8_t *dest, size_t *size) {
// Ask/Biphase Demod then try to locate an ISO 11784/85 ID
// BitStream must contain previously askrawdemod and biphasedemoded data
int FDXBdemodBI(uint8_t *dest, size_t *size)
{
//make sure buffer has enough data
if (*size < 128) return -1;
int FDXBdemodBI(uint8_t *dest, size_t *size) {
if (*size < 128*2) return -1; //make sure buffer has enough data
size_t startIdx = 0;
uint8_t preamble[] = {0,0,0,0,0,0,0,0,0,0,1};
uint8_t errChk = preambleSearch(dest, preamble, sizeof(preamble), size, &startIdx);
if (errChk == 0) return -2; //preamble not found
if (*size != 128) return -3; //wrong demoded size
//return start position
return (int)startIdx;
}
// ASK/Diphase fc/64 (inverted Biphase)
// Note: this i s not a demod, this is only a detection
// the parameter *dest needs to be demoded before call
int JablotronDemod(uint8_t *dest, size_t *size){
//make sure buffer has enough data
if (*size < 64) return -1;
size_t startIdx = 0;
// 0xFFFF preamble, 64bits
uint8_t preamble[] = {
1,1,1,1,
1,1,1,1,
1,1,1,1,
1,1,1,1,
0
};
int JablotronDemod(uint8_t *dest, size_t *size){
if (*size < 64*2) return -1; //make sure buffer has enough data
size_t startIdx = 0;
uint8_t preamble[] = {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,0};
uint8_t errChk = preambleSearch(dest, preamble, sizeof(preamble), size, &startIdx);
if (errChk == 0) return -4; //preamble not found
if (*size != 64) return -3;
if (errChk == 0) return -2; //preamble not found
if (*size != 64) return -3; // wrong demoded size
uint8_t checkchksum = 0;
for (int i=16; i < 56; i += 8) {
checkchksum += bytebits_to_byte(dest+startIdx+i,8);
}
checkchksum ^= 0x3A;
uint8_t crc = bytebits_to_byte(dest+startIdx+56, 8);
if ( checkchksum != crc ) return -5;
return (int)startIdx;
}