X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/afdcb8c159a73aba95a017f1cfec98e8fa2b93c1..refs/pull/538/head:/client/proxmark3.c

diff --git a/client/proxmark3.c b/client/proxmark3.c
index 0acf34f6..99ba9fba 100644
--- a/client/proxmark3.c
+++ b/client/proxmark3.c
@@ -27,42 +27,86 @@
 #include "cmdparser.h"
 #include "cmdhw.h"
 #include "whereami.h"
-#include "comms.h"
 
 #ifdef _WIN32
 #define SERIAL_PORT_H	"com3"
-#elif __APPLE__
-#define SERIAL_PORT_H	"/dev/tty.usbmodem*"
 #else
 #define SERIAL_PORT_H	"/dev/ttyACM0"
 #endif
 
-void main_loop(char *script_cmds_file, char* script_cmd, bool usb_present, serial_port* sp) {
-	receiver_arg conn;
-	char *cmd = NULL;
-	pthread_t reader_thread;
-	bool execCommand = (script_cmd != NULL);
-	bool stdinOnPipe = !isatty(STDIN_FILENO);
+// a global mutex to prevent interlaced printing from different threads
+pthread_mutex_t print_lock;
+
+static serial_port sp;
+static UsbCommand txcmd;
+volatile static bool txcmd_pending = false;
+
+void SendCommand(UsbCommand *c) {
+	#if 0
+		printf("Sending %d bytes\n", sizeof(UsbCommand));
+	#endif
+
+	if (offline) {
+      PrintAndLog("Sending bytes to proxmark failed - offline");
+      return;
+    }
+  /**
+	The while-loop below causes hangups at times, when the pm3 unit is unresponsive
+	or disconnected. The main console thread is alive, but comm thread just spins here.
+	Not good.../holiman
+	**/
+	while(txcmd_pending);
+	txcmd = *c;
+	txcmd_pending = true;
+}
+
+struct receiver_arg {
+	int run;
+};
+
+byte_t rx[sizeof(UsbCommand)];
+byte_t* prx = rx;
+
+static void *uart_receiver(void *targ) {
+	struct receiver_arg *arg = (struct receiver_arg*)targ;
+	size_t rxlen;
+
+	while (arg->run) {
+		rxlen = 0;
+		if (uart_receive(sp, prx, sizeof(UsbCommand) - (prx-rx), &rxlen) && rxlen) {
+			prx += rxlen;
+			if (prx-rx < sizeof(UsbCommand)) {
+				continue;
+			}
+			UsbCommandReceived((UsbCommand*)rx);
+		}
+		prx = rx;
 
-	memset(&conn, 0, sizeof(receiver_arg));
-	pthread_mutex_init(&conn.recv_lock, NULL);
+		if(txcmd_pending) {
+			if (!uart_send(sp, (byte_t*) &txcmd, sizeof(UsbCommand))) {
+				PrintAndLog("Sending bytes to proxmark failed");
+			}
+			txcmd_pending = false;
+		}
+	}
 
+	pthread_exit(NULL);
+	return NULL;
+}
 
-	// TODO: Move this into comms.c
-	PlotGridXdefault = 64;
-	PlotGridYdefault = 64;
-	showDemod = true;
-	CursorScaleFactor = 1;
 
+void main_loop(char *script_cmds_file, char *script_cmd, bool usb_present) {
+	struct receiver_arg rarg;
+	char *cmd = NULL;
+	pthread_t reader_thread;
+	bool execCommand = (script_cmd != NULL);
+	bool stdinOnPipe = !isatty(STDIN_FILENO);
+	
 	if (usb_present) {
-		conn.run = true;
-		SetSerialPort(sp);
-		SetOffline(false);
-		pthread_create(&reader_thread, NULL, &uart_receiver, &conn);
+		rarg.run = 1;
+		pthread_create(&reader_thread, NULL, &uart_receiver, &rarg);
 		// cache Version information now:
 		CmdVersion(NULL);
-	} else {
-		SetOffline(true);
 	}
 
 	// file with script
@@ -78,7 +122,7 @@ void main_loop(char *script_cmds_file, char* script_cmd, bool usb_present, seria
 	
 	read_history(".history");
 
-	while (1) {
+	while(1)  {
 		// If there is a script file
 		if (script_file)
 		{
@@ -150,7 +194,7 @@ void main_loop(char *script_cmds_file, char* script_cmd, bool usb_present, seria
 	write_history(".history");
   
 	if (usb_present) {
-		conn.run = false;
+		rarg.run = 0;
 		pthread_join(reader_thread, NULL);
 	}
 	
@@ -158,8 +202,6 @@ void main_loop(char *script_cmds_file, char* script_cmd, bool usb_present, seria
 		fclose(script_file);
 		script_file = NULL;
 	}
-
-	pthread_mutex_destroy(&conn.recv_lock);
 }
 
 static void dumpAllHelp(int markdown)
@@ -232,8 +274,6 @@ int main(int argc, char* argv[]) {
 	bool addLuaExec = false;
 	char *script_cmds_file = NULL;
 	char *script_cmd = NULL;
-	serial_port *sp = NULL;
-	g_debugMode = 0;
   
 	if (argc < 2) {
 		show_help(true, argv[0]);
@@ -330,11 +370,14 @@ int main(int argc, char* argv[]) {
 	if (sp == INVALID_SERIAL_PORT) {
 		printf("ERROR: invalid serial port\n");
 		usb_present = false;
+		offline = 1;
 	} else if (sp == CLAIMED_SERIAL_PORT) {
 		printf("ERROR: serial port is claimed by another process\n");
 		usb_present = false;
+		offline = 1;
 	} else {
 		usb_present = true;
+		offline = 0;
 	}
 	
 	// create a mutex to avoid interlacing print commands from our different threads
@@ -342,23 +385,23 @@ int main(int argc, char* argv[]) {
 
 #ifdef HAVE_GUI
 #ifdef _WIN32
-	InitGraphics(argc, argv, script_cmds_file, script_cmd, usb_present, sp);
+	InitGraphics(argc, argv, script_cmds_file, script_cmd, usb_present);
 	MainGraphics();
 #else
 	char* display = getenv("DISPLAY");
 
 	if (display && strlen(display) > 1)
 	{
-		InitGraphics(argc, argv, script_cmds_file, script_cmd, usb_present, sp);
+		InitGraphics(argc, argv, script_cmds_file, script_cmd, usb_present);
 		MainGraphics();
 	}
 	else
 	{
-		main_loop(script_cmds_file, script_cmd, usb_present, sp);
+		main_loop(script_cmds_file, script_cmd, usb_present);
 	}
 #endif
 #else
-	main_loop(script_cmds_file, script_cmd, usb_present, sp);
+	main_loop(script_cmds_file, script_cmd, usb_present);
 #endif	
 
 	// Clean up the port