Refactoring uart interface (#341)
[proxmark3-svn] / client / flasher.c
1 //-----------------------------------------------------------------------------
2 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
3 // at your option, any later version. See the LICENSE.txt file for the text of
4 // the license.
5 //-----------------------------------------------------------------------------
6 // Flasher frontend tool
7 //-----------------------------------------------------------------------------
8
9 #include <stdio.h>
10 #include <stdlib.h>
11 #include <string.h>
12 #include <inttypes.h>
13 #include "proxmark3.h"
14 #include "util.h"
15 #include "util_posix.h"
16 #include "flash.h"
17 #include "uart.h"
18 #include "usb_cmd.h"
19
20 #ifdef _WIN32
21 # define unlink(x)
22 #else
23 # include <unistd.h>
24 #endif
25
26 static serial_port sp;
27 static char* serial_port_name;
28
29 void cmd_debug(UsbCommand* UC) {
30 // Debug
31 printf("UsbCommand length[len=%zd]\n",sizeof(UsbCommand));
32 printf(" cmd[len=%zd]: %016" PRIx64 "\n",sizeof(UC->cmd),UC->cmd);
33 printf(" arg0[len=%zd]: %016" PRIx64 "\n",sizeof(UC->arg[0]),UC->arg[0]);
34 printf(" arg1[len=%zd]: %016" PRIx64 "\n",sizeof(UC->arg[1]),UC->arg[1]);
35 printf(" arg2[len=%zd]: %016" PRIx64 "\n",sizeof(UC->arg[2]),UC->arg[2]);
36 printf(" data[len=%zd]: ",sizeof(UC->d.asBytes));
37 for (size_t i=0; i<16; i++) {
38 printf("%02x",UC->d.asBytes[i]);
39 }
40 printf("...\n");
41 }
42
43 void SendCommand(UsbCommand* txcmd) {
44 // printf("send: ");
45 // cmd_debug(txcmd);
46 if (!uart_send(sp,(byte_t*)txcmd,sizeof(UsbCommand))) {
47 printf("Sending bytes to proxmark failed\n");
48 exit(1);
49 }
50 }
51
52 void ReceiveCommand(UsbCommand* rxcmd) {
53 byte_t* prxcmd = (byte_t*)rxcmd;
54 byte_t* prx = prxcmd;
55 size_t rxlen;
56 while (true) {
57 if (uart_receive(sp, prx, sizeof(UsbCommand) - (prx-prxcmd), &rxlen)) {
58 prx += rxlen;
59 if ((prx-prxcmd) >= sizeof(UsbCommand)) {
60 return;
61 }
62 }
63 }
64 }
65
66 void CloseProxmark() {
67 // Clean up the port
68 uart_close(sp);
69 // Fix for linux, it seems that it is extremely slow to release the serial port file descriptor /dev/*
70 unlink(serial_port_name);
71 }
72
73 int OpenProxmark(size_t i) {
74 sp = uart_open(serial_port_name);
75 if (sp == INVALID_SERIAL_PORT || sp == CLAIMED_SERIAL_PORT) {
76 //poll once a second
77 return 0;
78 }
79 return 1;
80 }
81
82 static void usage(char *argv0)
83 {
84 fprintf(stderr, "Usage: %s <port> [-b] image.elf [image.elf...]\n\n", argv0);
85 fprintf(stderr, "\t-b\tEnable flashing of bootloader area (DANGEROUS)\n\n");
86 //Is the example below really true? /Martin
87 fprintf(stderr, "Example:\n\n\t %s path/to/osimage.elf path/to/fpgaimage.elf\n", argv0);
88 fprintf(stderr, "\nExample (Linux):\n\n\t %s /dev/ttyACM0 armsrc/obj/fullimage.elf\n", argv0);
89 fprintf(stderr, "\nNote (Linux): if the flasher gets stuck in 'Waiting for Proxmark to reappear on <DEVICE>',\n");
90 fprintf(stderr, " you need to blacklist proxmark for modem-manager - see wiki for more details:\n");
91 fprintf(stderr, " http://code.google.com/p/proxmark3/wiki/Linux\n\n");
92 }
93
94 #define MAX_FILES 4
95
96 int main(int argc, char **argv)
97 {
98 int can_write_bl = 0;
99 int num_files = 0;
100 int res;
101 flash_file_t files[MAX_FILES];
102
103 memset(files, 0, sizeof(files));
104
105 if (argc < 3) {
106 usage(argv[0]);
107 return -1;
108 }
109
110 for (int i = 2; i < argc; i++) {
111 if (argv[i][0] == '-') {
112 if (!strcmp(argv[i], "-b")) {
113 can_write_bl = 1;
114 } else {
115 usage(argv[0]);
116 return -1;
117 }
118 } else {
119 res = flash_load(&files[num_files], argv[i], can_write_bl);
120 if (res < 0) {
121 fprintf(stderr, "Error while loading %s\n", argv[i]);
122 return -1;
123 }
124 fprintf(stderr, "\n");
125 num_files++;
126 }
127 }
128
129 serial_port_name = argv[1];
130
131 fprintf(stderr,"Waiting for Proxmark to appear on %s",serial_port_name);
132 do {
133 msleep(1000);
134 fprintf(stderr, ".");
135 } while (!OpenProxmark(0));
136 fprintf(stderr," Found.\n");
137
138 res = flash_start_flashing(can_write_bl,serial_port_name);
139 if (res < 0)
140 return -1;
141
142 fprintf(stderr, "\nFlashing...\n");
143
144 for (int i = 0; i < num_files; i++) {
145 res = flash_write(&files[i]);
146 if (res < 0)
147 return -1;
148 flash_free(&files[i]);
149 fprintf(stderr, "\n");
150 }
151
152 fprintf(stderr, "Resetting hardware...\n");
153
154 res = flash_stop_flashing();
155 if (res < 0)
156 return -1;
157
158 CloseProxmark();
159
160 fprintf(stderr, "All done.\n\n");
161 fprintf(stderr, "Have a nice day!\n");
162
163 return 0;
164 }
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