Shell.h

00001 #ifndef _SERIAL_SHELL_H_
00002 #define _SERIAL_SHELL_H_
00003 
00004 #include "mbed.h"
00005 #include "rtos.h"
00006 
00007 #include <string>
00008 #include <map>
00009 
00010 #define SHELL_MAX_LINE_LENGTH       64
00011 #define SHELL_MAX_ARGUMENTS         4
00012 
00013 typedef void (*shellcmd_t) (Stream *, int , char **);
00014 
00015 class Shell {
00016     public:
00017         Shell(Stream * channel);
00018         virtual ~Shell() {}
00019 
00020         void addCommand(std::string name, shellcmd_t func);
00021         void start(osPriority priority = osPriorityNormal,
00022                 int stackSize = 1024, 
00023                 unsigned char *stack_pointer=NULL);
00024 
00025     private:
00026         static void threadHelper(const void * arg);
00027 
00028         void shellMain();
00029         void shellUsage(const char *p); 
00030         bool shellGetLine(char *line, unsigned size);
00031         void listCommands();
00032         bool cmdExec(char * name, int argc, char *argv[]);
00033 
00034         Stream * _chp;
00035         Thread * _thread;
00036 
00037         // UART/Serial buffers for
00038         // parsing command line
00039         char line[SHELL_MAX_LINE_LENGTH];
00040         char *args[SHELL_MAX_ARGUMENTS + 1];
00041 
00042         // commands
00043         std::map<std::string, shellcmd_t> _commands; 
00044 };
00045 
00046 #endif