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https://github.com/Proxmark/proxmark3.git
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Only superficial changes, to get rid of compiler warnings
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parent
eaea9de900
commit
42daa759c1
3 changed files with 64 additions and 61 deletions
103
client/cmdmain.c
103
client/cmdmain.c
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@ -67,6 +67,58 @@ int CmdQuit(const char *Cmd)
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exit(0);
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return 0;
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}
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/**
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* @brief This method should be called when sending a new command to the pm3. In case any old
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* responses from previous commands are stored in the buffer, a call to this method should clear them.
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* A better method could have been to have explicit command-ACKS, so we can know which ACK goes to which
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* operation. Right now we'll just have to live with this.
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*/
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void clearCommandBuffer()
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{
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//This is a very simple operation
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cmd_tail = cmd_head;
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}
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/**
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* @brief storeCommand stores a USB command in a circular buffer
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* @param UC
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*/
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void storeCommand(UsbCommand *command)
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{
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if( ( cmd_head+1) % CMD_BUFFER_SIZE == cmd_tail)
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{
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//If these two are equal, we're about to overwrite in the
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// circular buffer.
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PrintAndLog("WARNING: Command buffer about to overwrite command! This needs to be fixed!");
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}
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//Store the command at the 'head' location
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UsbCommand* destination = &cmdBuffer[cmd_head];
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memcpy(destination, command, sizeof(UsbCommand));
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cmd_head = (cmd_head +1) % CMD_BUFFER_SIZE; //increment head and wrap
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}
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/**
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* @brief getCommand gets a command from an internal circular buffer.
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* @param response location to write command
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* @return 1 if response was returned, 0 if nothing has been received
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*/
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int getCommand(UsbCommand* response)
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{
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//If head == tail, there's nothing to read, or if we just got initialized
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if(cmd_head == cmd_tail){
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return 0;
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}
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//Pick out the next unread command
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UsbCommand* last_unread = &cmdBuffer[cmd_tail];
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memcpy(response, last_unread, sizeof(UsbCommand));
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//Increment tail - this is a circular buffer, so modulo buffer size
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cmd_tail = (cmd_tail +1 ) % CMD_BUFFER_SIZE;
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return 1;
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}
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/**
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* Waits for a certain response type. This method waits for a maximum of
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* ms_timeout milliseconds for a specified response command.
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@ -213,54 +265,3 @@ void UsbCommandReceived(UsbCommand *UC)
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}
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/**
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* @brief This method should be called when sending a new command to the pm3. In case any old
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* responses from previous commands are stored in the buffer, a call to this method should clear them.
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* A better method could have been to have explicit command-ACKS, so we can know which ACK goes to which
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* operation. Right now we'll just have to live with this.
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*/
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void clearCommandBuffer()
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{
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//This is a very simple operation
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cmd_tail = cmd_head;
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}
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/**
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* @brief storeCommand stores a USB command in a circular buffer
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* @param UC
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*/
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void storeCommand(UsbCommand *command)
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{
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if( ( cmd_head+1) % CMD_BUFFER_SIZE == cmd_tail)
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{
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//If these two are equal, we're about to overwrite in the
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// circular buffer.
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PrintAndLog("WARNING: Command buffer about to overwrite command! This needs to be fixed!");
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}
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//Store the command at the 'head' location
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UsbCommand* destination = &cmdBuffer[cmd_head];
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memcpy(destination, command, sizeof(UsbCommand));
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cmd_head = (cmd_head +1) % CMD_BUFFER_SIZE; //increment head and wrap
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}
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/**
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* @brief getCommand gets a command from an internal circular buffer.
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* @param response location to write command
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* @return 1 if response was returned, 0 if nothing has been received
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*/
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int getCommand(UsbCommand* response)
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{
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//If head == tail, there's nothing to read, or if we just got initialized
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if(cmd_head == cmd_tail){
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return 0;
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}
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//Pick out the next unread command
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UsbCommand* last_unread = &cmdBuffer[cmd_tail];
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memcpy(response, last_unread, sizeof(UsbCommand));
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//Increment tail - this is a circular buffer, so modulo buffer size
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cmd_tail = (cmd_tail +1 ) % CMD_BUFFER_SIZE;
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return 1;
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}
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