Refactoring uart interface (#341)

[proxmark3-svn] / client / flasher.c

diff --git a/client/flasher.c b/client/flasher.c
index 85aae04970d59de1e2273998f849605a7edc823e..f257d994517b4c6a7a5675a83c5f4f13890cfac7 100644 (file)
--- a/client/flasher.c
+++ b/client/flasher.c
@@ -9,15 +9,86 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include "sleep.h"
-#include "proxusb.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" 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]);
+  }
+  printf("...\n");
+}
+
+void SendCommand(UsbCommand* txcmd) {
+//  printf("send: ");
+//  cmd_debug(txcmd);
+  if (!uart_send(sp,(byte_t*)txcmd,sizeof(UsbCommand))) {
+    printf("Sending bytes to proxmark failed\n");
+    exit(1);
+  }
+}
+
+void ReceiveCommand(UsbCommand* rxcmd) {
+  byte_t* prxcmd = (byte_t*)rxcmd;
+  byte_t* prx = prxcmd;
+  size_t rxlen;
+  while (true) {
+    if (uart_receive(sp, prx, sizeof(UsbCommand) - (prx-prxcmd), &rxlen)) {
+      prx += rxlen;
+      if ((prx-prxcmd) >= sizeof(UsbCommand)) {
+        return;
+      }
+    }
+  }
+}
+
+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 || sp == CLAIMED_SERIAL_PORT) {
+    //poll once a second
+    return 0;
+  }
+  return 1;
+}
 
 static void usage(char *argv0)
 {
-       fprintf(stderr, "Usage:   %s [-b] image.elf [image.elf...]\n\n", 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
@@ -31,12 +102,12 @@ int main(int argc, char **argv)
 
        memset(files, 0, sizeof(files));
 
-       if (argc < 2) {
+       if (argc < 3) {
                usage(argv[0]);
                return -1;
        }
 
-       for (int i = 1; i < argc; i++) {
+       for (int i = 2; i < argc; i++) {
                if (argv[i][0] == '-') {
                        if (!strcmp(argv[i], "-b")) {
                                can_write_bl = 1;
@@ -55,16 +126,16 @@ int main(int argc, char **argv)
                }
        }
 
-       usb_init();
-
-       fprintf(stderr, "Waiting for Proxmark to appear on USB...");
-       while (!OpenProxmark(0)) {
-               sleep(1);
-               fprintf(stderr, ".");
-       }
-       fprintf(stderr, " Found.\n");
+  serial_port_name = argv[1];
+  
+  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);
+       res = flash_start_flashing(can_write_bl,serial_port_name);
        if (res < 0)
                return -1;