1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
4 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
5 // at your option, any later version. See the LICENSE.txt file for the text of
7 //-----------------------------------------------------------------------------
8 // Main command parser entry point
9 //-----------------------------------------------------------------------------
16 #include "cmdparser.h"
17 #include "proxmark3.h"
27 #include "cmdscript.h"
30 unsigned int current_command
= CMD_UNKNOWN
;
32 static int CmdHelp(const char *Cmd
);
33 static int CmdQuit(const char *Cmd
);
35 //For storing command that are received from the device
36 #define CMD_BUFFER_SIZE 50
37 static UsbCommand cmdBuffer
[CMD_BUFFER_SIZE
];
38 //Points to the next empty position to write to
39 static int cmd_head
;//Starts as 0
40 //Points to the position of the last unread command
41 static int cmd_tail
;//Starts as 0
43 static command_t CommandTable
[] =
45 {"help", CmdHelp
, 1, "This help. Use '<command> help' for details of a particular command."},
46 {"data", CmdData
, 1, "{ Plot window / data buffer manipulation... }"},
47 {"hf", CmdHF
, 1, "{ High Frequency commands... }"},
48 {"hw", CmdHW
, 1, "{ Hardware commands... }"},
49 {"lf", CmdLF
, 1, "{ Low Frequency commands... }"},
50 {"script", CmdScript
, 1,"{ Scripting commands }"},
51 {"quit", CmdQuit
, 1, "Exit program"},
52 {"exit", CmdQuit
, 1, "Exit program"},
56 command_t
* getTopLevelCommandTable()
60 int CmdHelp(const char *Cmd
)
62 CmdsHelp(CommandTable
);
66 int CmdQuit(const char *Cmd
)
72 * @brief This method should be called when sending a new command to the pm3. In case any old
73 * responses from previous commands are stored in the buffer, a call to this method should clear them.
74 * A better method could have been to have explicit command-ACKS, so we can know which ACK goes to which
75 * operation. Right now we'll just have to live with this.
77 void clearCommandBuffer()
79 //This is a very simple operation
84 * @brief storeCommand stores a USB command in a circular buffer
87 void storeCommand(UsbCommand
*command
)
89 if( ( cmd_head
+1) % CMD_BUFFER_SIZE
== cmd_tail
)
91 //If these two are equal, we're about to overwrite in the
93 PrintAndLog("WARNING: Command buffer about to overwrite command! This needs to be fixed!");
95 //Store the command at the 'head' location
96 UsbCommand
* destination
= &cmdBuffer
[cmd_head
];
97 memcpy(destination
, command
, sizeof(UsbCommand
));
99 cmd_head
= (cmd_head
+1) % CMD_BUFFER_SIZE
; //increment head and wrap
103 * @brief getCommand gets a command from an internal circular buffer.
104 * @param response location to write command
105 * @return 1 if response was returned, 0 if nothing has been received
107 int getCommand(UsbCommand
* response
)
109 //If head == tail, there's nothing to read, or if we just got initialized
110 if(cmd_head
== cmd_tail
){
113 //Pick out the next unread command
114 UsbCommand
* last_unread
= &cmdBuffer
[cmd_tail
];
115 memcpy(response
, last_unread
, sizeof(UsbCommand
));
116 //Increment tail - this is a circular buffer, so modulo buffer size
117 cmd_tail
= (cmd_tail
+1 ) % CMD_BUFFER_SIZE
;
124 * Waits for a certain response type. This method waits for a maximum of
125 * ms_timeout milliseconds for a specified response command.
126 *@brief WaitForResponseTimeout
127 * @param cmd command to wait for
128 * @param response struct to copy received command into.
130 * @return true if command was returned, otherwise false
132 bool WaitForResponseTimeout(uint32_t cmd
, UsbCommand
* response
, size_t ms_timeout
) {
135 if (response
== NULL
)
138 // Wait until the command is received
139 for(size_t dm_seconds
=0; dm_seconds
< ms_timeout
/10; dm_seconds
++) {
141 while(getCommand(response
)) {
142 if(response
->cmd
== cmd
){
146 msleep(10); // XXX ugh
147 if (dm_seconds
== 200) { // Two seconds elapsed
148 PrintAndLog("Waiting for a response from the proxmark...");
149 PrintAndLog("Don't forget to cancel its operation first by pressing on the button");
155 bool WaitForResponse(uint32_t cmd
, UsbCommand
* response
) {
156 return WaitForResponseTimeout(cmd
,response
,-1);
159 //-----------------------------------------------------------------------------
160 // Entry point into our code: called whenever the user types a command and
161 // then presses Enter, which the full command line that they typed.
162 //-----------------------------------------------------------------------------
163 void CommandReceived(char *Cmd
) {
164 CmdsParse(CommandTable
, Cmd
);
167 //-----------------------------------------------------------------------------
168 // Entry point into our code: called whenever we received a packet over USB
169 // that we weren't necessarily expecting, for example a debug print.
170 //-----------------------------------------------------------------------------
171 void UsbCommandReceived(UsbCommand
*UC
)
174 // First check if we are handling a debug message
175 case CMD_DEBUG_PRINT_STRING
: {
176 char s
[USB_CMD_DATA_SIZE
+1] = {0x00};
177 size_t len
= MIN(UC
->arg
[0],USB_CMD_DATA_SIZE
);
178 memcpy(s
,UC
->d
.asBytes
,len
);
179 PrintAndLog("#db# %s ", s
);
183 case CMD_DEBUG_PRINT_INTEGERS
: {
184 PrintAndLog("#db# %08x, %08x, %08x \r\n", UC
->arg
[0], UC
->arg
[1], UC
->arg
[2]);
188 case CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K
: {
189 sample_buf_len
+= UC
->arg
[1];
190 memcpy(sample_buf
+(UC
->arg
[0]),UC
->d
.asBytes
,UC
->arg
[1]);