add extended help feature

[proxmark3-svn] / armsrc / appmain.c

diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index 27a7551d55d06b680b35999321f6b072b3d1a55a..77bbbbc4daec6a54b0c46ed95b1276e5db998223 100644 (file)
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -144,7 +144,7 @@ void ModThenAcquireRawAdcSamples125k(int delay_off,int period_0,int period_1,BYT
        BOOL at134khz;
 
        // see if 'h' was specified
-       if(command[strlen(command) - 1] == 'h')
+       if(command[strlen((char *) command) - 1] == 'h')
                at134khz= TRUE;
        else
                at134khz= FALSE;
@@ -241,7 +241,9 @@ static int AvgAdc(int ch)
 void SweepLFrange()
 {
        BYTE *dest = (BYTE *)BigBuf;
-       int i;
+       char dummy[12];
+       int i, peak= 0, ptr= 0;
+       double freq;
 
        // clear buffer
        memset(BigBuf,0,sizeof(BigBuf));
@@ -251,7 +253,28 @@ void SweepLFrange()
                FpgaSendCommand(FPGA_CMD_SET_DIVISOR, i);
                SpinDelay(20);
                dest[i] = (137500 * AvgAdc(ADC_CHAN_LF)) >> 18;
+               if(dest[i] > peak) {
+                       peak= dest[i];
+                       ptr= i;
+                       }
        }
+       dummy[11]= '\0';
+       dummy[10]= 'z';
+       dummy[9]= 'H';
+       dummy[8]= 'k';
+       dummy[7]= ' ';
+       freq= 12000000/(ptr + 1);
+       for(i= 6; i > 3 ; --i) {
+               dummy[i]= '0' + ((int) freq) % 10;
+               freq /= 10;
+               }
+       dummy[3]= '.';
+       for(i= 2; i >= 0 ; --i) {
+               dummy[i]= '0' + ((int) freq) % 10;
+               freq /= 10;
+               }
+       DbpString("Antenna resonates at:");
+       DbpString(dummy);
 }
 
 void MeasureAntennaTuning(void)
@@ -316,6 +339,7 @@ void SimulateTagLowFrequency(int period)
        for(;;) {
                while(!(PIO_PIN_DATA_STATUS & (1<<GPIO_SSC_CLK))) {
                        if(BUTTON_PRESS()) {
+                               DbpString("Stopped");
                                return;
                        }
                        WDT_HIT();
@@ -331,6 +355,7 @@ void SimulateTagLowFrequency(int period)
 
                while(PIO_PIN_DATA_STATUS & (1<<GPIO_SSC_CLK)) {
                        if(BUTTON_PRESS()) {
+                               DbpString("Stopped");
                                return;
                        }
                        WDT_HIT();
@@ -464,6 +489,7 @@ static void CmdHIDdemodFSK(void)
                WDT_HIT();
                LED_A_ON();
                if(BUTTON_PRESS()) {
+                       DbpString("Stopped");
                        LED_A_OFF();
                        return;
                }
@@ -913,8 +939,8 @@ void SpinDelay(int ms)
 // listen for external reader 
 void ListenReaderField(int limit)
 {
-       int lf_av, lf_av_new, lf_baseline= -1, lf_count= 0;
-       int hf_av, hf_av_new,  hf_baseline= -1, hf_count= 0;
+       int lf_av, lf_av_new, lf_baseline= 0, lf_count= 0;
+       int hf_av, hf_av_new,  hf_baseline= 0, hf_count= 0;
 
 #define LF_ONLY                1
 #define HF_ONLY                2
@@ -926,7 +952,7 @@ void ListenReaderField(int limit)
 
        lf_av= ReadAdc(ADC_CHAN_LF);
 
-       if(limit != HF_ONLY && lf_baseline ==  -1) 
+       if(limit != HF_ONLY) 
                {
                DbpString("LF 125/134 Baseline:");
                DbpIntegers(lf_av,0,0);
@@ -936,7 +962,7 @@ void ListenReaderField(int limit)
        hf_av= ReadAdc(ADC_CHAN_HF);
 
 
-       if (limit != LF_ONLY && hf_baseline == -1) 
+       if (limit != LF_ONLY) 
                {
                DbpString("HF 13.56 Baseline:");
                DbpIntegers(hf_av,0,0);
@@ -947,6 +973,7 @@ void ListenReaderField(int limit)
                {
                if(BUTTON_PRESS()) 
                        {
+                       DbpString("Stopped");
                        LED_B_OFF();
                        LED_D_OFF();
                        return;