X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/d0168f2f4919562e94b22215a182622bca2e2785..af1940a5d87829c26ee17026bac43e3d8971d6f7:/client/cmdmain.c diff --git a/client/cmdmain.c b/client/cmdmain.c index c1d730ee..ae059ea2 100644 --- a/client/cmdmain.c +++ b/client/cmdmain.c @@ -8,11 +8,13 @@ // Main command parser entry point //----------------------------------------------------------------------------- +#include "cmdmain.h" + +#include #include #include #include #include -#include "sleep.h" #include "cmdparser.h" #include "proxmark3.h" #include "data.h" @@ -22,15 +24,17 @@ #include "cmddata.h" #include "cmdhw.h" #include "cmdlf.h" -#include "cmdmain.h" #include "util.h" +#include "util_posix.h" #include "cmdscript.h" +#include "cmdcrc.h" unsigned int current_command = CMD_UNKNOWN; static int CmdHelp(const char *Cmd); static int CmdQuit(const char *Cmd); +static int CmdRev(const char *Cmd); //For storing command that are received from the device #define CMD_BUFFER_SIZE 50 @@ -39,18 +43,21 @@ static UsbCommand cmdBuffer[CMD_BUFFER_SIZE]; static int cmd_head;//Starts as 0 //Points to the position of the last unread command static int cmd_tail;//Starts as 0 +// to lock cmdBuffer operations from different threads +static pthread_mutex_t cmdBufferMutex = PTHREAD_MUTEX_INITIALIZER; static command_t CommandTable[] = { - {"help", CmdHelp, 1, "This help. Use ' help' for details of a particular command."}, - {"data", CmdData, 1, "{ Plot window / data buffer manipulation... }"}, - {"hf", CmdHF, 1, "{ High Frequency commands... }"}, - {"hw", CmdHW, 1, "{ Hardware commands... }"}, - {"lf", CmdLF, 1, "{ Low Frequency commands... }"}, - {"script", CmdScript, 1, "{ Scripting commands }"}, - {"quit", CmdQuit, 1, "Exit program"}, - {"exit", CmdQuit, 1, "Exit program"}, - {NULL, NULL, 0, NULL} + {"help", CmdHelp, 1, "This help. Use ' help' for details of a particular command."}, + {"data", CmdData, 1, "{ Plot window / data buffer manipulation... }"}, + {"hf", CmdHF, 1, "{ High Frequency commands... }"}, + {"hw", CmdHW, 1, "{ Hardware commands... }"}, + {"lf", CmdLF, 1, "{ Low Frequency commands... }"}, + {"reveng",CmdRev, 1, "Crc calculations from the software reveng1-30"}, + {"script",CmdScript,1, "{ Scripting commands }"}, + {"quit", CmdQuit, 1, "Exit program"}, + {"exit", CmdQuit, 1, "Exit program"}, + {NULL, NULL, 0, NULL} }; command_t* getTopLevelCommandTable() @@ -67,6 +74,13 @@ int CmdQuit(const char *Cmd) { return 99; } + +int CmdRev(const char *Cmd) +{ + CmdCrc(Cmd); + return 0; +} + /** * @brief This method should be called when sending a new command to the pm3. In case any old * responses from previous commands are stored in the buffer, a call to this method should clear them. @@ -76,7 +90,9 @@ int CmdQuit(const char *Cmd) void clearCommandBuffer() { //This is a very simple operation + pthread_mutex_lock(&cmdBufferMutex); cmd_tail = cmd_head; + pthread_mutex_unlock(&cmdBufferMutex); } /** @@ -85,6 +101,7 @@ void clearCommandBuffer() */ void storeCommand(UsbCommand *command) { + pthread_mutex_lock(&cmdBufferMutex); if( ( cmd_head+1) % CMD_BUFFER_SIZE == cmd_tail) { //If these two are equal, we're about to overwrite in the @@ -96,6 +113,7 @@ void storeCommand(UsbCommand *command) memcpy(destination, command, sizeof(UsbCommand)); cmd_head = (cmd_head +1) % CMD_BUFFER_SIZE; //increment head and wrap + pthread_mutex_unlock(&cmdBufferMutex); } @@ -106,8 +124,10 @@ void storeCommand(UsbCommand *command) */ int getCommand(UsbCommand* response) { + pthread_mutex_lock(&cmdBufferMutex); //If head == tail, there's nothing to read, or if we just got initialized if(cmd_head == cmd_tail){ + pthread_mutex_unlock(&cmdBufferMutex); return 0; } //Pick out the next unread command @@ -115,7 +135,7 @@ int getCommand(UsbCommand* response) memcpy(response, last_unread, sizeof(UsbCommand)); //Increment tail - this is a circular buffer, so modulo buffer size cmd_tail = (cmd_tail +1 ) % CMD_BUFFER_SIZE; - + pthread_mutex_unlock(&cmdBufferMutex); return 1; } @@ -129,7 +149,7 @@ int getCommand(UsbCommand* response) * @param ms_timeout * @return true if command was returned, otherwise false */ -bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeout) { +bool WaitForResponseTimeoutW(uint32_t cmd, UsbCommand* response, size_t ms_timeout, bool show_warning) { UsbCommand resp; @@ -137,25 +157,34 @@ bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeou response = &resp; } + uint64_t start_time = msclock(); + // Wait until the command is received - for(size_t dm_seconds=0; dm_seconds < ms_timeout/10; dm_seconds++) { + while (true) { while(getCommand(response)) { if(response->cmd == cmd){ return true; } } - msleep(10); // XXX ugh - if (dm_seconds == 200) { // Two seconds elapsed + if (msclock() - start_time > ms_timeout) { + break; + } + if (msclock() - start_time > 2000 && show_warning) { PrintAndLog("Waiting for a response from the proxmark..."); PrintAndLog("Don't forget to cancel its operation first by pressing on the button"); + show_warning = false; } } return false; } +bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeout) { + return WaitForResponseTimeoutW(cmd, response, ms_timeout, true); +} + bool WaitForResponse(uint32_t cmd, UsbCommand* response) { - return WaitForResponseTimeout(cmd,response,-1); + return WaitForResponseTimeoutW(cmd, response, -1, true); }