X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/1bad9713611010563deb083c631c7dfe32682acf..e772353f72729f0dfc80a4d93c3a7bd2ac5ea775:/client/cmdmain.c diff --git a/client/cmdmain.c b/client/cmdmain.c index 972558c3..64e0c1b4 100644 --- a/client/cmdmain.c +++ b/client/cmdmain.c @@ -25,6 +25,7 @@ #include "cmdmain.h" #include "util.h" + unsigned int current_command = CMD_UNKNOWN; //unsigned int received_command = CMD_UNKNOWN; //UsbCommand current_response; @@ -64,6 +65,8 @@ int CmdQuit(const char *Cmd) exit(0); return 0; } +int getCommand(UsbCommand* response); +void storeCommand(UsbCommand *command); /** * Waits for a certain response type. This method waits for a maximum of * ms_timeout milliseconds for a specified response command. @@ -83,9 +86,13 @@ 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 @@ -205,6 +212,19 @@ void UsbCommandReceived(UsbCommand *UC) storeCommand(UC); } + +/** + * @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