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FIX: a shot at fixing the "_" underscore problem in fileutils.c. This one uses _ifdefine. I hope it works. Linux people can let me know if it works.

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FIX: changed the DetectASKClock in lfdemod.c to correct detect all clocks in the array.
CHG: I like code with more spaces inside of it and tried change some stuff according to our codestyle in HACKING.txt
ADD: some zero checks and overflows, god knows where it was.

The T55XX commands will be rewritten to use Marshmellows lfdemod.c instead.
CHG: Made the graph window smaller.
CHG: lf read  now does a "data samples" also.  (less writing commands)
CHG: data samples now defaults to samples size of 20000
This commit is contained in:
iceman1001
2015-01-04 22:49:54 +01:00
parent b1329a0264
commit 8d0a3e87d7
12 changed files with 1280 additions and 1275 deletions
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64
client/cmdlfem4x.c
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@@ -28,20 +28,16 @@ char *global_em410xId;
static int CmdHelp(const char *Cmd);
int CmdEMdemodASK(const char *Cmd)
{
int findone=0;
UsbCommand c={CMD_EM410X_DEMOD};
if(Cmd[0]=='1') findone=1;
c.arg[0]=findone;
SendCommand(&c);
return 0;
char cmdp = param_getchar(Cmd, 0);
int findone = (cmdp == '1') ? 1 : 0;
UsbCommand c = { CMD_EM410X_DEMOD };
c.arg[0] = findone;
SendCommand(&c);
return 0;
}
/* Read the ID of an EM410x tag.
* Format:
* 1111 1111 1 <-- standard non-repeatable header
@@ -54,29 +50,25 @@ int CmdEM410xRead(const char *Cmd)
{
int i, j, clock, header, rows, bit, hithigh, hitlow, first, bit2idx, high, low;
int parity[4];
char id[11];
char id2[11];
char id[11] = {0x00};
char id2[11] = {0x00};
int retested = 0;
uint8_t BitStream[MAX_GRAPH_TRACE_LEN];
high = low = 0;
/* Detect high and lows and clock */
for (i = 0; i < GraphTraceLen; i++)
{
if (GraphBuffer[i] > high)
high = GraphBuffer[i];
else if (GraphBuffer[i] < low)
low = GraphBuffer[i];
}
// get clock
clock = GetClock(Cmd, 0);
// Detect high and lows and clock
DetectHighLowInGraph( &high, &low, TRUE);
/* get clock */
clock = GetClock(Cmd, high, 0);
/* parity for our 4 columns */
PrintAndLog("NUMNUM");
// parity for our 4 columns
parity[0] = parity[1] = parity[2] = parity[3] = 0;
header = rows = 0;
/* manchester demodulate */
// manchester demodulate
bit = bit2idx = 0;
for (i = 0; i < (int)(GraphTraceLen / clock); i++)
{
@@ -87,9 +79,9 @@ int CmdEM410xRead(const char *Cmd)
/* Find out if we hit both high and low peaks */
for (j = 0; j < clock; j++)
{
if (GraphBuffer[(i * clock) + j] == high)
if (GraphBuffer[(i * clock) + j] >= high)
hithigh = 1;
else if (GraphBuffer[(i * clock) + j] == low)
else if (GraphBuffer[(i * clock) + j] <= low)
hitlow = 1;
/* it doesn't count if it's the first part of our read
@@ -109,7 +101,7 @@ int CmdEM410xRead(const char *Cmd)
BitStream[bit2idx++] = bit;
}
retest:
/* We go till 5 before the graph ends because we'll get that far below */
for (i = 0; i < bit2idx - 5; i++)
@@ -189,13 +181,14 @@ retest:
}
/* if we've already retested after flipping bits, return */
if (retested++){
return 0;
if (retested++){
PrintAndLog("Failed to decode");
return 0;
}
/* if this didn't work, try flipping bits */
for (i = 0; i < bit2idx; i++)
BitStream[i] ^= 1;
for (i = 0; i < bit2idx; i++)
BitStream[i] ^= 1;
goto retest;
}
@@ -290,7 +283,8 @@ int CmdEM410xSim(const char *Cmd)
*/
int CmdEM410xWatch(const char *Cmd)
{
int read_h = (*Cmd == 'h');
char cmdp = param_getchar(Cmd, 0);
int read_h = (cmdp == 'h');
do
{
if (ukbhit()) {
@@ -551,7 +545,7 @@ int CmdReadWord(const char *Cmd)
uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};
GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset..
GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0); //3560 -- should be offset..
WaitForResponseTimeout(CMD_ACK,NULL, 1500);
for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {
@@ -591,7 +585,7 @@ int CmdReadWordPWD(const char *Cmd)
uint8_t data[LF_TRACE_BUFF_SIZE] = {0x00};
GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,3560); //3560 -- should be offset..
GetFromBigBuf(data,LF_TRACE_BUFF_SIZE,0); //3560 -- should be offset..
WaitForResponseTimeout(CMD_ACK,NULL, 1500);
for (int j = 0; j < LF_TRACE_BUFF_SIZE; j++) {