X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/ab7a8ea16420243ad132b21f968ea15a3b14fa61..3b2fee43ea7d9e08b7729d662d8d010ee0e2a2e3:/client/cmdmain.c?ds=sidebyside diff --git a/client/cmdmain.c b/client/cmdmain.c index 85a0e0ca..fa358fac 100644 --- a/client/cmdmain.c +++ b/client/cmdmain.c @@ -24,6 +24,8 @@ #include "cmdlf.h" #include "cmdmain.h" #include "util.h" +#include "cmdscript.h" + unsigned int current_command = CMD_UNKNOWN; //unsigned int received_command = CMD_UNKNOWN; @@ -39,20 +41,25 @@ static UsbCommand cmdBuffer[CMD_BUFFER_SIZE]; //Points to the next empty position to write to static int cmd_head;//Starts as 0 //Points to the position of the last unread command -static int cmd_tail = -1;//Starts as -1 +static int cmd_tail;//Starts as 0 static command_t CommandTable[] = { - {"help", CmdHelp, 1, "This help. Use ' help' for details of the following commands:\n"}, + {"help", CmdHelp, 1, "This help. Use ' help' for details of a particular command."}, {"data", CmdData, 1, "{ Plot window / data buffer manipulation... }"}, - {"exit", CmdQuit, 1, "Exit program"}, {"hf", CmdHF, 1, "{ HF commands... }"}, {"hw", CmdHW, 1, "{ Hardware commands... }"}, {"lf", CmdLF, 1, "{ LF commands... }"}, - {"quit", CmdQuit, 1, "Quit program"}, + {"script", CmdScript, 1,"{ Scripting commands }"}, + {"quit", CmdQuit, 1, "Exit program"}, + {"exit", CmdQuit, 1, "Exit program"}, {NULL, NULL, 0, NULL} }; +command_t* getTopLevelCommandTable() +{ + return CommandTable; +} int CmdHelp(const char *Cmd) { CmdsHelp(CommandTable); @@ -64,6 +71,58 @@ int CmdQuit(const char *Cmd) exit(0); 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. + * A better method could have been to have explicit command-ACKS, so we can know which ACK goes to which + * operation. Right now we'll just have to live with this. + */ +void clearCommandBuffer() +{ + //This is a very simple operation + cmd_tail = cmd_head; +} + +/** + * @brief storeCommand stores a USB command in a circular buffer + * @param UC + */ +void storeCommand(UsbCommand *command) +{ + if( ( cmd_head+1) % CMD_BUFFER_SIZE == cmd_tail) + { + //If these two are equal, we're about to overwrite in the + // circular buffer. + PrintAndLog("WARNING: Command buffer about to overwrite command! This needs to be fixed!"); + } + //Store the command at the 'head' location + UsbCommand* destination = &cmdBuffer[cmd_head]; + memcpy(destination, command, sizeof(UsbCommand)); + + cmd_head = (cmd_head +1) % CMD_BUFFER_SIZE; //increment head and wrap + +} +/** + * @brief getCommand gets a command from an internal circular buffer. + * @param response location to write command + * @return 1 if response was returned, 0 if nothing has been received + */ +int getCommand(UsbCommand* response) +{ + //If head == tail, there's nothing to read, or if we just got initialized + if(cmd_head == cmd_tail){ + return 0; + } + //Pick out the next unread command + UsbCommand* last_unread = &cmdBuffer[cmd_tail]; + 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; + + return 1; + +} + /** * Waits for a certain response type. This method waits for a maximum of * ms_timeout milliseconds for a specified response command. @@ -83,9 +142,13 @@ bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeou // Wait until the command is received for(size_t dm_seconds=0; dm_seconds < ms_timeout/10; dm_seconds++) { - if(getCommand(response) && response->cmd == cmd){ + while(getCommand(response)) + { + if(response->cmd == cmd){ //We got what we expected return true; + } + } msleep(10); // XXX ugh if (dm_seconds == 200) { // Two seconds elapsed @@ -205,55 +268,4 @@ void UsbCommandReceived(UsbCommand *UC) storeCommand(UC); } -/** - * @brief storeCommand stores a USB command in a circular buffer - * @param UC - */ -void storeCommand(UsbCommand *command) -{ - if(cmd_head == cmd_tail) - { - //If these two are equal, we're about to overwrite in the - // circular buffer. - PrintAndLog("WARNING: Command buffer about to overwrite command! This needs to be fixed!"); - } - //Store the command at the 'head' location - UsbCommand* destination = &cmdBuffer[cmd_head]; - memcpy(destination, command, sizeof(UsbCommand)); - - //Also, if cmd_tail is still -1 because the buffer was - // previously empty, set it to head - if(cmd_tail < 0) { - cmd_tail = cmd_head; - } - - cmd_head++; //increment head - cmd_head %= CMD_BUFFER_SIZE;//wrap around -} -/** - * @brief getCommand gets a command from an internal circular buffer. - * @param response location to write command - * @return 1 if response was returned, 0 if nothing has been received - */ -int getCommand(UsbCommand* response) -{ - //If head == tail, there's nothing to read, or if we just got initialized - if(cmd_head == cmd_tail || cmd_tail == -1){ - return 0; - } - //Pick out the next unread command - UsbCommand* last_unread = &cmdBuffer[cmd_tail]; - 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; - //In order to detect when the buffer overwrites itself, we set the - // tail to -1 whenever it 'catches up' with head : this means the buffer is empty. - // Otherwise, head==tail could mean both: either empty or full. - if(cmd_tail == cmd_head){ - cmd_tail = -1 ; - } - - return 1; - -}