Refactoring uart interface (#341)

[proxmark3-svn] / client / flasher.c

diff --git a/client/flasher.c b/client/flasher.c
index d494810aa5b64ca9a476c047dc19727dcb5c2ba2..f257d994517b4c6a7a5675a83c5f4f13890cfac7 100644 (file)
--- a/client/flasher.c
+++ b/client/flasher.c
@@ -9,22 +9,30 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include "sleep.h"
+#include <inttypes.h>
 #include "proxmark3.h"
+#include "util.h"
+#include "util_posix.h"
 #include "flash.h"
 #include "uart.h"
 #include "usb_cmd.h"
 
+#ifdef _WIN32
+# define unlink(x)
+#else
+# include <unistd.h>
+#endif
+
 static serial_port sp;
 static char* serial_port_name;
 
 void cmd_debug(UsbCommand* UC) {
   //  Debug
   printf("UsbCommand length[len=%zd]\n",sizeof(UsbCommand));
-  printf("  cmd[len=%zd]: %016"llx"\n",sizeof(UC->cmd),UC->cmd);
-  printf(" arg0[len=%zd]: %016"llx"\n",sizeof(UC->arg[0]),UC->arg[0]);
-  printf(" arg1[len=%zd]: %016"llx"\n",sizeof(UC->arg[1]),UC->arg[1]);
-  printf(" arg2[len=%zd]: %016"llx"\n",sizeof(UC->arg[2]),UC->arg[2]);
+  printf("  cmd[len=%zd]: %016" PRIx64 "\n",sizeof(UC->cmd),UC->cmd);
+  printf(" arg0[len=%zd]: %016" PRIx64 "\n",sizeof(UC->arg[0]),UC->arg[0]);
+  printf(" arg1[len=%zd]: %016" PRIx64 "\n",sizeof(UC->arg[1]),UC->arg[1]);
+  printf(" arg2[len=%zd]: %016" PRIx64 "\n",sizeof(UC->arg[2]),UC->arg[2]);
   printf(" data[len=%zd]: ",sizeof(UC->d.asBytes));
   for (size_t i=0; i<16; i++) {
     printf("%02x",UC->d.asBytes[i]);
@@ -46,13 +54,9 @@ void ReceiveCommand(UsbCommand* rxcmd) {
   byte_t* prx = prxcmd;
   size_t rxlen;
   while (true) {
-    rxlen = sizeof(UsbCommand) - (prx-prxcmd);
-    if (uart_receive(sp,prx,&rxlen)) {
-//      printf("received [%zd] bytes\n",rxlen);
+    if (uart_receive(sp, prx, sizeof(UsbCommand) - (prx-prxcmd), &rxlen)) {
       prx += rxlen;
       if ((prx-prxcmd) >= sizeof(UsbCommand)) {
-//        printf("received: ");
-//        cmd_debug(rxcmd);
         return;
       }
     }
@@ -62,13 +66,14 @@ void ReceiveCommand(UsbCommand* rxcmd) {
 void CloseProxmark() {
   // Clean up the port
   uart_close(sp);
+  // Fix for linux, it seems that it is extremely slow to release the serial port file descriptor /dev/*
+  unlink(serial_port_name);
 }
 
 int OpenProxmark(size_t i) {
   sp = uart_open(serial_port_name);
-  if (sp == INVALID_SERIAL_PORT) {
+  if (sp == INVALID_SERIAL_PORT || sp == CLAIMED_SERIAL_PORT) {
     //poll once a second
-    msleep(100);
     return 0;
   }
   return 1;
@@ -78,7 +83,12 @@ static void usage(char *argv0)
 {
        fprintf(stderr, "Usage:   %s <port> [-b] image.elf [image.elf...]\n\n", argv0);
        fprintf(stderr, "\t-b\tEnable flashing of bootloader area (DANGEROUS)\n\n");
-       fprintf(stderr, "Example: %s path/to/osimage.elf path/to/fpgaimage.elf\n", argv0);
+       //Is the example below really true? /Martin
+       fprintf(stderr, "Example:\n\n\t %s path/to/osimage.elf path/to/fpgaimage.elf\n", argv0);
+       fprintf(stderr, "\nExample (Linux):\n\n\t %s  /dev/ttyACM0 armsrc/obj/fullimage.elf\n", argv0);
+       fprintf(stderr, "\nNote (Linux): if the flasher gets stuck in 'Waiting for Proxmark to reappear on <DEVICE>',\n");
+       fprintf(stderr, "              you need to blacklist proxmark for modem-manager - see wiki for more details:\n");
+       fprintf(stderr, "              http://code.google.com/p/proxmark3/wiki/Linux\n\n");
 }
 
 #define MAX_FILES 4
@@ -117,13 +127,15 @@ int main(int argc, char **argv)
        }
 
   serial_port_name = argv[1];
-       fprintf(stderr, "Waiting for Proxmark to appear on USB...");
-       while (!OpenProxmark(0)) {
-               fprintf(stderr, ".");
-       }
-       fprintf(stderr, " Found.\n");
-
-       res = flash_start_flashing(can_write_bl);
+  
+  fprintf(stderr,"Waiting for Proxmark to appear on %s",serial_port_name);
+  do {
+    msleep(1000);
+    fprintf(stderr, ".");
+  } while (!OpenProxmark(0));
+  fprintf(stderr," Found.\n");
+
+       res = flash_start_flashing(can_write_bl,serial_port_name);
        if (res < 0)
                return -1;