#include "cmdlf.h"
#include "cmdmain.h"
#include "util.h"
+#include "cmdscript.h"
+
unsigned int current_command = CMD_UNKNOWN;
//unsigned int received_command = CMD_UNKNOWN;
//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 '<command> help' for details of the following commands:\n"},
+ {"help", CmdHelp, 1, "This help. Use '<command> 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);
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.
*/
bool WaitForResponseTimeout(uint32_t cmd, UsbCommand* response, size_t ms_timeout) {
+ UsbCommand resp;
+
if (response == NULL) {
- UsbCommand resp;
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){
+ 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
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;
-
-}
projects / proxmark3-svn / blobdiff