X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a808a224f54ef44b7399b291ec9d8bcf758e43da..003ac42c7169ae9632e09d3b35a257debe8e8eaf:/client/cmdmain.c diff --git a/client/cmdmain.c b/client/cmdmain.c index 7f34d543..15cb3f98 100644 --- a/client/cmdmain.c +++ b/client/cmdmain.c @@ -24,11 +24,10 @@ #include "cmdlf.h" #include "cmdmain.h" #include "util.h" +#include "cmdscript.h" + unsigned int current_command = CMD_UNKNOWN; -unsigned int received_command = CMD_UNKNOWN; -UsbCommand current_response; -UsbCommand current_response_user; static int CmdHelp(const char *Cmd); static int CmdQuit(const char *Cmd); @@ -39,20 +38,25 @@ 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... }"}, + {"hf", CmdHF, 1, "{ High Frequency commands... }"}, {"hw", CmdHW, 1, "{ Hardware commands... }"}, - {"lf", CmdLF, 1, "{ LF commands... }"}, - {"quit", CmdQuit, 1, "Quit program"}, + {"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} }; +command_t* getTopLevelCommandTable() +{ + return CommandTable; +} int CmdHelp(const char *Cmd) { CmdsHelp(CommandTable); @@ -64,6 +68,58 @@ 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. @@ -74,13 +130,20 @@ int CmdQuit(const char *Cmd) * @return true if command was returned, otherwise false */ bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeout) { + + UsbCommand resp; + + if (response == NULL) + response = &resp; + // 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){ - //We got what we expected + while(getCommand(response)) { + if(response->cmd == cmd){ return true; + } } msleep(10); // XXX ugh if (dm_seconds == 200) { // Two seconds elapsed @@ -109,144 +172,30 @@ void CommandReceived(char *Cmd) { //----------------------------------------------------------------------------- void UsbCommandReceived(UsbCommand *UC) { - /* - // Debug - printf("UsbCommand length[len=%zd]\n",sizeof(UsbCommand)); - printf(" cmd[len=%zd]: %"llx"\n",sizeof(UC->cmd),UC->cmd); - printf(" arg0[len=%zd]: %"llx"\n",sizeof(UC->arg[0]),UC->arg[0]); - printf(" arg1[len=%zd]: %"llx"\n",sizeof(UC->arg[1]),UC->arg[1]); - printf(" arg2[len=%zd]: %"llx"\n",sizeof(UC->arg[2]),UC->arg[2]); - printf(" data[len=%zd]: %02x%02x%02x...\n",sizeof(UC->d.asBytes),UC->d.asBytes[0],UC->d.asBytes[1],UC->d.asBytes[2]); - */ - - // printf("%s(%x) current cmd = %x\n", __FUNCTION__, c->cmd, current_command); - // If we recognize a response, return to avoid further processing - switch(UC->cmd) { - // First check if we are handling a debug message - case CMD_DEBUG_PRINT_STRING: { - char s[USB_CMD_DATA_SIZE+1]; - size_t len = MIN(UC->arg[0],USB_CMD_DATA_SIZE); - memcpy(s,UC->d.asBytes,len); - s[len] = 0x00; - PrintAndLog("#db# %s ", s); - return; - } break; - - case CMD_DEBUG_PRINT_INTEGERS: { - PrintAndLog("#db# %08x, %08x, %08x \r\n", UC->arg[0], UC->arg[1], UC->arg[2]); - return; - } break; - - case CMD_MEASURED_ANTENNA_TUNING: { - int peakv, peakf; - int vLf125, vLf134, vHf; - vLf125 = UC->arg[0] & 0xffff; - vLf134 = UC->arg[0] >> 16; - vHf = UC->arg[1] & 0xffff;; - peakf = UC->arg[2] & 0xffff; - peakv = UC->arg[2] >> 16; - PrintAndLog(""); - PrintAndLog("# LF antenna: %5.2f V @ 125.00 kHz", vLf125/1000.0); - PrintAndLog("# LF antenna: %5.2f V @ 134.00 kHz", vLf134/1000.0); - PrintAndLog("# LF optimal: %5.2f V @%9.2f kHz", peakv/1000.0, 12000.0/(peakf+1)); - PrintAndLog("# HF antenna: %5.2f V @ 13.56 MHz", vHf/1000.0); - if (peakv<2000) - PrintAndLog("# Your LF antenna is unusable."); - else if (peakv<10000) - PrintAndLog("# Your LF antenna is marginal."); - if (vHf<2000) - PrintAndLog("# Your HF antenna is unusable."); - else if (vHf<5000) - PrintAndLog("# Your HF antenna is marginal."); - } break; - - case CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K: { -// printf("received samples: "); -// print_hex(UC->d.asBytes,512); - sample_buf_len += UC->arg[1]; -// printf("samples: %zd offset: %d\n",sample_buf_len,UC->arg[0]); - memcpy(sample_buf+(UC->arg[0]),UC->d.asBytes,UC->arg[1]); - } break; - - -// case CMD_ACK: { -// PrintAndLog("Receive ACK\n"); -// } break; - - default: { - // Maybe it's a response - switch(current_command) { - case CMD_DOWNLOAD_RAW_ADC_SAMPLES_125K: { - if (UC->cmd != CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K) { - PrintAndLog("unrecognized command %08x\n", UC->cmd); - break; - } -// int i; - PrintAndLog("received samples %d\n",UC->arg[0]); - memcpy(sample_buf+UC->arg[0],UC->d.asBytes,48); - sample_buf_len += 48; -// for(i=0; i<48; i++) sample_buf[i] = UC->d.asBytes[i]; - received_command = UC->cmd; - } break; - - default: { - } break; - } - } break; - } - - 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 + switch(UC->cmd) { + // First check if we are handling a debug message + case CMD_DEBUG_PRINT_STRING: { + char s[USB_CMD_DATA_SIZE+1] = {0x00}; + size_t len = MIN(UC->arg[0],USB_CMD_DATA_SIZE); + memcpy(s,UC->d.asBytes,len); + PrintAndLog("#db# %s ", s); + return; + } break; + + case CMD_DEBUG_PRINT_INTEGERS: { + PrintAndLog("#db# %08x, %08x, %08x \r\n", UC->arg[0], UC->arg[1], UC->arg[2]); + return; + } break; + + case CMD_DOWNLOADED_RAW_ADC_SAMPLES_125K: { + sample_buf_len += UC->arg[1]; + memcpy(sample_buf+(UC->arg[0]),UC->d.asBytes,UC->arg[1]); + } break; + + default: + break; + } + storeCommand(UC); } -/** - * @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; - -}