Added command to read PCF7931 125Khz LF tags. This is a beta version which needs...

[proxmark3-svn] / client / cmdmain.c

diff --git a/client/cmdmain.c b/client/cmdmain.c
index 203a250ca7651e108735359f2e55c888ce0a38da..c26f2eb4a1af1d86ce640fc8f9f367cf2fae8bd5 100644 (file)
--- a/client/cmdmain.c
+++ b/client/cmdmain.c
@@ -25,6 +25,8 @@
 
 unsigned int current_command = CMD_UNKNOWN;
 unsigned int received_command = CMD_UNKNOWN;
+UsbCommand current_response;
+UsbCommand current_response_user;
 
 static int CmdHelp(const char *Cmd);
 static int CmdQuit(const char *Cmd);
@@ -53,12 +55,29 @@ int CmdQuit(const char *Cmd)
   return 0;
 }
 
-void WaitForResponse(uint32_t response_type)
+UsbCommand * WaitForResponseTimeout(uint32_t response_type, uint32_t ms_timeout) {
+       UsbCommand * ret =  NULL;
+       int i=0;
+
+       for(i=0; received_command != response_type && i < ms_timeout / 10; i++) {
+               msleep(10); // XXX ugh
+       }
+       
+       // There was an evil BUG
+       memcpy(&current_response_user, &current_response, sizeof(UsbCommand));
+       ret = &current_response_user;
+
+       if(received_command != response_type)
+               ret = NULL;
+
+       received_command = CMD_UNKNOWN;
+
+       return ret;
+}
+
+UsbCommand * WaitForResponse(uint32_t response_type)
 {
-  while (received_command != response_type) {
-    msleep(10); // XXX ugh
-  }
-  received_command = CMD_UNKNOWN;
+       return WaitForResponseTimeout(response_type, -1);
 }
 
 //-----------------------------------------------------------------------------
@@ -79,6 +98,7 @@ void UsbCommandReceived(UsbCommand *UC)
   //   printf("%s(%x) current cmd = %x\n", __FUNCTION__, c->cmd, current_command);
   /* If we recognize a response, return to avoid further processing */
   switch(UC->cmd) {
+    // First check if we are handling a debug message
     case CMD_DEBUG_PRINT_STRING: {
       char s[100];
       if(UC->arg[0] > 70 || UC->arg[0] < 0) {
@@ -86,13 +106,14 @@ void UsbCommandReceived(UsbCommand *UC)
       }
       memcpy(s, UC->d.asBytes, UC->arg[0]);
       s[UC->arg[0]] = '\0';
-      PrintAndLog("#db# %s", s);
+      PrintAndLog("#db# %s       ", s);
       return;
-    }
+    } break;
 
-    case CMD_DEBUG_PRINT_INTEGERS:
-      PrintAndLog("#db# %08x, %08x, %08x\r\n", UC->arg[0], UC->arg[1], UC->arg[2]);
+    case CMD_DEBUG_PRINT_INTEGERS: {
+      PrintAndLog("#db# %08x, %08x, %08x       \r\n", UC->arg[0], UC->arg[1], UC->arg[2]);
       return;
+    } break;
 
     case CMD_MEASURED_ANTENNA_TUNING: {
       int peakv, peakf;
@@ -103,7 +124,6 @@ void UsbCommandReceived(UsbCommand *UC)
       peakf = UC->arg[2] & 0xffff;
       peakv = UC->arg[2] >> 16;
       PrintAndLog("");
-      PrintAndLog("");
       PrintAndLog("# LF antenna: %5.2f V @   125.00 kHz", vLf125/1000.0);
       PrintAndLog("# LF antenna: %5.2f V @   134.00 kHz", vLf134/1000.0);
       PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1));
@@ -116,12 +136,32 @@ void UsbCommandReceived(UsbCommand *UC)
         PrintAndLog("# Your HF antenna is unusable.");
       else if (vHf<5000)
         PrintAndLog("# Your HF antenna is marginal.");
-      return;
-    }
-    default:
-      break;
+    } break;
+      
+    default: {
+      // Maybe it's a response
+      switch(current_command) {
+        case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K: {
+          if (UC->cmd != CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K) {
+            PrintAndLog("unrecognized command %08x\n", UC->cmd);
+            break;
+          }
+          int i;
+          for(i=0; i<48; i++) sample_buf[i] = UC->d.asBytes[i];
+          received_command = UC->cmd;
+        } break;
+
+        default: {
+        } break;
+      }
+      // Store the last received command
+      received_command = UC->cmd;
+      memcpy(&current_response, UC, sizeof(UsbCommand));
+    } break;
   }
-  /* Maybe it's a response: */
+  received_command = UC->cmd;
+/*
+  // Maybe it's a response:
   switch(current_command) {
     case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K:
       if (UC->cmd != CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K) goto unexpected_response;
@@ -137,7 +177,12 @@ void UsbCommandReceived(UsbCommand *UC)
       return;
     default:
     unexpected_response:
-    PrintAndLog("unrecognized command %08x\n", UC->cmd);
-    break;
+
+       if(UC->cmd != CMD_ACK)
+               PrintAndLog("unrecognized command %08x       \n", UC->cmd);
+       else
+               memcpy(&current_response, UC, sizeof(UsbCommand));
+       received_command = UC->cmd;
   }
+ */
 }