first draft half duplex simulation

armsrc/appmain.c

@@ -1136,7 +1136,7 @@ static void PacketReceived(PacketCommandNG *packet) {
             // destroy the Emulator Memory.
             //-----------------------------------------------------------------------------
             FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
-            em4x50_sim((uint8_t *)packet->data.asBytes);
+            em4x50_sim();
             break;
         }
         case CMD_LF_EM4X50_READER: {

armsrc/em4x50.h

@@ -19,7 +19,7 @@ void em4x50_writepwd(em4x50_data_t *etd);
 void em4x50_read(em4x50_data_t *etd);
 void em4x50_brute(em4x50_data_t *etd);
 void em4x50_login(uint32_t *password);
-void em4x50_sim(uint8_t *filename);
+void em4x50_sim(void);
 void em4x50_reader(void);
 void em4x50_chk(uint8_t *filename);
 void em4x50_test(em4x50_test_t *ett);

client/src/cmdlfem4x50.c

@@ -78,6 +78,31 @@ static void get_samples(void) {
     write_gnuplot_config_file(gHigh, gLow);
 }
 
+/*
+static void get_time_samples(void) {
+
+    const char *fn = "../data/data.dat";
+    FILE *fp = NULL;
+
+    // download from BigBuf memory
+    uint32_t data[EM4X50_MAX_TIME_SAMPLES] = {0x0};
+    if (GetFromDevice(BIG_BUF, (uint8_t *)data, EM4X50_MAX_TIME_SAMPLES, 0, NULL, 0, NULL, 2500, false) == false) {
+        PrintAndLogEx(WARNING, "Fail, transfer from device time-out");
+    }
+
+    if ((fp = fopen(fn, "w+")) == false) {
+        PrintAndLogEx(WARNING, "Fail, open file %s", fn);
+    }
+
+    for (int i = 0; i < EM4X50_MAX_TIME_SAMPLES; i++) {
+        PrintAndLogEx(INFO, "%i %"PRIu32"", i, data[i]);
+        fprintf(fp, "%i %"PRIu32"\n", i, data[i]);
+    }
+
+    fclose(fp);
+}
+*/
+
 static void prepare_result(const uint8_t *data, int fwr, int lwr, em4x50_word_t *words) {
 
     // restructure received result in "em4x50_word_t" structure
@@ -398,6 +423,8 @@ int CmdEM4x50Login(const char *Cmd) {
     else
         PrintAndLogEx(FAILED, "Login " _RED_("failed"));
 
+    get_samples();
+    
     return resp.status;
 }
 
@@ -667,8 +694,6 @@ int CmdEM4x50Read(const char *Cmd) {
         }
     }
 
-    get_samples();
-    
     return em4x50_read(&etd, NULL);
 }
 

client/src/cmdlfem4x70.h

@@ -12,7 +12,7 @@
 #define CMDLFEM4X70_H__
 
 #include "common.h"
-#include "em4x50.h"
+#include "em4x70.h"
 
 #define TIMEOUT                     2000
 

include/em4x50.h

@@ -37,6 +37,9 @@
 #define TIMEOUT                     2000
 #define DUMP_FILESIZE               136
 #define EM4X50_MAX_NO_SAMPLES       1000
+#define EM4X50_MAX_TIME_SAMPLES     1000
+
+#define BYTES2UINT32(x) ((x[0] << 24) | (x[1] << 16) | (x[2] << 8) | (x[3]))
 
 typedef struct {
     bool addr_given;