X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/28fdb04fd8d62e46c36f959b373d662f1a146448..0ecec5395b9426dc1d721065cde2339aef234751:/common/cmd.c

diff --git a/common/cmd.c b/common/cmd.c
index 49d9d942..02257ac0 100644
--- a/common/cmd.c
+++ b/common/cmd.c
@@ -34,8 +34,6 @@
 #include "string.h"
 #include "proxmark3.h"
 
-//static UsbCommand txcmd;
-
 bool cmd_receive(UsbCommand* cmd) {
  
   // Check if there is a usb packet available
@@ -52,30 +50,32 @@ bool cmd_receive(UsbCommand* cmd) {
 }
 
 bool cmd_send(uint32_t cmd, uint32_t arg0, uint32_t arg1, uint32_t arg2, void* data, size_t len) {
-  UsbCommand txcmd;
 
-  for (size_t i=0; i<sizeof(UsbCommand); i++) {
-    ((byte_t*)&txcmd)[i] = 0x00;
-  }
-  
-  // Compose the outgoing command frame
-  txcmd.cmd = cmd;
-  txcmd.arg[0] = arg0;
-  txcmd.arg[1] = arg1;	
-  txcmd.arg[2] = arg2;
+	UsbCommand txcmd;
 
-  // Add the (optional) content to the frame, with a maximum size of USB_CMD_DATA_SIZE
-  if (data && len) {
-    len = MIN(len,USB_CMD_DATA_SIZE);
-    for (size_t i=0; i<len; i++) {
-      txcmd.d.asBytes[i] = ((byte_t*)data)[i];
-    }
-  }
-  
-  // Send frame and make sure all bytes are transmitted
-  if (usb_write((byte_t*)&txcmd,sizeof(UsbCommand)) != 0) return false;
-  
-  return true;
+	// 0x00 the whole command.
+	for (size_t i=0; i < sizeof(UsbCommand); i++)
+		((byte_t*)&txcmd)[i] = 0x00;
+
+	// Compose the outgoing command frame
+	txcmd.cmd = cmd;
+	txcmd.arg[0] = arg0;
+	txcmd.arg[1] = arg1;	
+	txcmd.arg[2] = arg2;
+
+	// Add the (optional) content to the frame, with a maximum size of USB_CMD_DATA_SIZE
+	if (data && len) {
+		len = MIN(len, USB_CMD_DATA_SIZE);
+		for (size_t i=0; i<len; i++) {
+			txcmd.d.asBytes[i] = ((byte_t*)data)[i];
+		}
+	}
+
+	// Send frame and make sure all bytes are transmitted
+	if ( usb_write( (byte_t*)&txcmd, sizeof(UsbCommand)) != 0)
+		return false;
+
+	return true;
 }