Wim van der Vegt
A Command Interpreter with support for used defined commands, subsystems, macros, help and parameter parsing.
Diff: cmdb.h
- Revision:
- 3:abbf43fab7d5
- Parent:
- 2:7d00f6d78090
- Child:
- 4:e7673688a9c8
--- a/cmdb.h Thu Feb 10 18:54:17 2011 +0000
+++ b/cmdb.h Thu Feb 10 19:10:42 2011 +0000
@@ -1,412 +1,412 @@
-/* mbed Command Interpreter Library
- * Copyright (c) 2011 wvd_vegt
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#ifndef MBED_CMDB_H
-#define MBED_CMDB_H
-
-#include "mbed.h"
-
-#include <vector>
-
-//Max size of an Ansi escape code.
-#define MAX_ESC_LEN 5
-
-//Max (strlen) of a Param.
-#define MAX_PARM_LEN 32
-
-//Max eight parms.
-#define MAX_ARGS 8
-
-//Max 132 characters commandline.
-#define MAX_CMD_LEN 132
-
-//'Show' hidden subsystems and commands.
-#define SHOWHIDDEN
-
-#define MIN_BYTE -128
-#define MAX_BYTE +127
-
-#define MIN_SHORT -32768
-#define MAX_SHORT +32767
-
-#define MIN_INT -32768
-#define MAX_INT +32767
-
-//TODO Make sure we use id and array index properly!!
-
-struct cmdb_cmd {
- char *cmdstr;
- int subs;
- int id; //Changed to int as signed char won't compile
- char *parms;
- char *cmddescr;
- char *parmdescr;
-};
-
-//----Escape Codes and Strings
-
-const char cr = '\r';
-const char lf = '\n';
-const char bell = '\7';
-const char esc = '\033';
-const char sp = ' ';
-const char crlf[] = "\r\n\0";
-
-const char bs[] = "\b \b\0";
-
-const char boldon[] = "\033[1m\0";
-const char boldoff[] = "\033[0m\0";
-const char cls[] = "\033[2J\0";
-const char home[] = "\033[H\0";
-
-const char prompt[] = "CMD>";
-
-//Before including this file, define CID_LAST as the last value from the enum with commands.
-
-//#define CMD_TBL_LEN CID_LAST
-
-#define SUBSYSTEM -1
-#define GLOBALCMD -2
-#define HIDDENSUB -3
-
-#define CID_BOOT 9991
-#define CID_MACRO 9992
-#define CID_RUN 9993
-#define CID_MACROS 9994
-
-#define CID_ECHO 9995
-#define CID_BOLD 9996
-#define CID_CLS 9997
-#define CID_IDLE 9998
-#define CID_HELP 9999
-
-//You need to add the following commands to your command table.
-
-//Optional
-cmdb_cmd BOOT = { "Boot", GLOBALCMD ,CID_BOOT ,"" ,"Boot" ,""};
-
-//Optional
-cmdb_cmd MACRO = { "Macro", GLOBALCMD ,CID_MACRO ,"%s" ,"Define macro (sp->_, cr->|)" ,"command(s)"};
-cmdb_cmd RUN = { "Run", GLOBALCMD ,CID_RUN ,"" ,"Run a macro" ,""};
-cmdb_cmd MACROS = { "Macros", GLOBALCMD ,CID_MACROS ,"" ,"List macro(s)" ,""};
-
-//Optional
-cmdb_cmd ECHO = { "Echo", GLOBALCMD ,CID_ECHO ,"%bu" ,"Echo On|Off (1|0)" ,"state"};
-cmdb_cmd BOLD = { "Bold", GLOBALCMD ,CID_BOLD ,"%bu" ,"Bold On|Off (1|0)" ,"state"};
-cmdb_cmd CLS = { "Cls", GLOBALCMD ,CID_CLS ,"" ,"Clears the terminal screen" ,""};
-
-//Mandatory!
-cmdb_cmd IDLE = { "Idle", GLOBALCMD ,CID_IDLE ,"" ,"Deselect Subsystems" ,""};
-
-//Mandatory!
-cmdb_cmd HELP = { "Help", GLOBALCMD ,CID_HELP ,"%s" ,"Help" ,""};
-
-#define ESC_TBL_LEN 4
-
-struct esc_st {
- char *escstr;
- int id;
-};
-
-enum {
- EID_CURSOR_UP,
- EID_CURSOR_DOWN,
- EID_CURSOR_RIGHT,
- EID_CURSOR_LEFT,
- EID_LAST
-};
-
-const struct esc_st esc_tbl [ESC_TBL_LEN] = {
- { "\033[A", EID_CURSOR_UP },
- { "\033[B", EID_CURSOR_DOWN },
- { "\033[C", EID_CURSOR_RIGHT },
- { "\033[D", EID_CURSOR_LEFT },
-};
-
-//Define a const struct cmbd_cmd cmdb_tbl [CMD_TBL_LEN] {}; that is passed into the constructor.
-
-/** Command Interpreter class.<br/>
- * <br/>
- * Steps to take:<br/>
- * <br/>
- * 1) Create a std::vector<cmdb_cmd> and fill it with at least<br/>
- * the mandatory commands IDLE and HELP.<br/>
- * 2) Create an Cmdb class instance and pass it both the vector and<br/>
- * a Serial port object like Serial serial(USBTX, USBRX);<br/>
- * 3) Feed the interpreter with characters received from your serial port.<br/>
- * Note Cmdb self does not retrieve input it must be handed to it<br/>
- * 4) Handle commands added by the application by the Id and parameters passed.<br/>
- *
- */
-class Cmdb {
-public:
- /** Create a Command Interpreter.
- *
- * @param serial a Serial port used for communication.
- * @param cmds a vector with the command table.
- */
- Cmdb(const Serial serial, const std::vector<cmdb_cmd>& cmds);
-
- /** Checks if the macro buffer has any characters left.
- *
- * @returns true if any characters left.
- */
- bool cmdb_macro_hasnext();
-
- /** Gets the next character from the macro buffer and
- * advances the macro buffer pointer.
- *
- * Do not call if no more characters are left!
- *
- * @returns the next character.
- */
- char cmdb_macro_next();
-
- /** Gets the next character from the macro buffer
- * but does not advance the macro buffer pointer.
- *
- * Do not call if no more characters are left!
- *
- * @returns the next character.
- */
- char cmdb_macro_peek();
-
- /** Resets the macro buffer and macro buffer pointer.
- *
- */
- void cmdb_macro_reset();
-
- /** Checks if the serial port has any characters
- * left to read by calling serial.readable().
- *
- * @returns true if any characters available.
- */
- bool cmdb_hasnext();
-
- /** Gets the next character from the serial port by
- * calling serial.getc().
- *
- * Do not call if no characters are left!
- *
- * @returns the next character.
- */
- char cmdb_next();
-
-private:
- /** Searches the escape code list for a match.
- *
- * @param char* escstr the escape code to lookup.
- *
- * @returns the index of the escape code or -1.
- */
- int cmdb_escid_search(char *escstr);
-
- /** Checks if the command table for a match.
- *
- * @param char* cmdstr the command to lookup.
- *
- * @returns the id of the command or -1.
- */
- int cmdb_cmdid_search(char *cmdstr);
-
- /** Converts an command id to an index of the command table.
- *
- * @param cmdid the command id to lookup.
- *
- * @returns the index of the command or -1.
- */
- int cmdb_cmdid_index(int cmdid);
-
- /** Initializes the parser.
- *
- * @parm full if true the macro buffer is also cleared else only the command interpreter is reset.
- */
- void cmdb_init(const char full);
-
- /** Writes a prompt to the serial port.
- *
- */
- void cmdb_prompt(void);
-
- /** Add a character to the command being processed.
- * If a cr is added, the command is parsed and executed if possible
- * If supported special keys are encountered (like backspace, delete and cursor up) they are processed.
- *
- * @parmam c the character to add.
- *
- * @returns true if a command was recognized and executed.
- */
- bool cmdb_scan(const char c);
-
- /** Called by cmdb_cmd_proc it parses the command against the command table.
- *
- * @param cmd the command and paramaters to parse.
- *
- * @returns the id of the parsed command.
- */
- int cmdb_parse(char *cmd);
-
- //TODO Must call Callback function.
-
- /** Called by cmdb_scan it processes the arguments and Executes the command.
- *
- * @param cmd the command to execute.
- */
- void cmdb_cmd_proc(char *cmd);
-
- /** Generates Help from the command table and prints it.
- *
- * @param pre leading text
- * @param ndx the index of the command in the command table.
- * @param post trailing text.
- */
- void cmdb_cmdhelp(char *pre, int ndx, char *post);
-
- //Output.
- int cmdb_printf(const char *format, ...);
- int cmdb_print(const char *msg);
- char cmdb_printch(const char ch);
-
- //Utilities.
- void zeromemory(char *p,unsigned int siz);
- int stricmp (char *s1, char *s2);
-
-
- //Storage, see http://www.cplusplus.com/reference/stl/vector/
- std::vector<cmdb_cmd> _cmds;
- Serial _serial;
- bool echo;
- bool bold;
-
- int CID_LAST;
- int CMD_TBL_LEN;
-
- //Macro's.
- int macro_ptr;
- char macro_buf[1 + MAX_CMD_LEN];
-
- enum parmtype {
- PARM_UNUSED, //0
-
- PARM_FLOAT, //1 (f)
-
- PARM_LONG, //2 (l/ul)
- PARM_INT, //3 (i/ui)
- PARM_SHORT, //4 (w/uw)
-
- PARM_CHAR, //5 (c/uc)
- PARM_STRING //6 (s)
- };
-
- union value {
- float f;
-
- unsigned long ul;
- long l;
-
- int i;
- unsigned int ui;
-
- short w;
- unsigned short uw;
-
- char c;
- unsigned char uc;
-
- char s[MAX_PARM_LEN];
- };
-
- struct parm {
- enum parmtype type;
- union value val;
- };
-
-//------------------------------------------------------------------------------
-//----These helper functions retieve parameters in the correct format.
-//------------------------------------------------------------------------------
-
-//TODO Add tests for correct type of parameter.
-
- bool BOOLPARM(int ndx) {
- return parms[ndx].val.uc!=0;
- }
-
- unsigned char BYTEPARM(int ndx) {
- return parms[ndx].val.uc;
- }
-
- char CHARPARM(int ndx) {
- return parms[ndx].val.c;
- }
-
- unsigned int WORDPARM(int ndx) {
- return parms[ndx].val.ui;
- }
-
- unsigned int UINTPARM(int ndx) {
- return parms[ndx].val.ui;
- }
-
- int INTPARM(int ndx) {
- return parms[ndx].val.i;
- }
-
- unsigned long DWORDPARM(int ndx) {
- return parms[ndx].val.ul;
- }
-
- long LONGPARM(int ndx) {
- return parms[ndx].val.l;
- }
-
- float FLOATPARM(int ndx) {
- return parms[ndx].val.f;
- }
-
- char* STRINGPARM(int ndx) {
- return parms[ndx].val.s;
- }
-
-//------------------------------------------------------------------------------
-//----Buffers
-//------------------------------------------------------------------------------
-
- char cmdbuf [1 + MAX_CMD_LEN]; // command buffer
- char cmdndx; // command index
-
- char lstbuf [1 + MAX_CMD_LEN]; // last command buffer
-
- char escbuf [1 + MAX_ESC_LEN]; // command buffer
- unsigned char escndx; // command index
-
- struct parm parms[MAX_ARGS];
- int noparms;
-
- int subsystem;
-
- int argcnt; //No of arguments found in command
- int argfnd; //No of arguments to find in parameter definition.
- int error; //strtoXX() Error detection
-
-};
-
+/* mbed Command Interpreter Library
+ * Copyright (c) 2011 wvd_vegt
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MBED_CMDB_H
+#define MBED_CMDB_H
+
+#include "mbed.h"
+
+#include <vector>
+
+//Max size of an Ansi escape code.
+#define MAX_ESC_LEN 5
+
+//Max (strlen) of a Param.
+#define MAX_PARM_LEN 32
+
+//Max eight parms.
+#define MAX_ARGS 8
+
+//Max 132 characters commandline.
+#define MAX_CMD_LEN 132
+
+//'Show' hidden subsystems and commands.
+#define SHOWHIDDEN
+
+#define MIN_BYTE -128
+#define MAX_BYTE +127
+
+#define MIN_SHORT -32768
+#define MAX_SHORT +32767
+
+#define MIN_INT -32768
+#define MAX_INT +32767
+
+//TODO Make sure we use id and array index properly!!
+
+struct cmdb_cmd {
+ char *cmdstr;
+ int subs;
+ int id; //Changed to int as signed char won't compile
+ char *parms;
+ char *cmddescr;
+ char *parmdescr;
+};
+
+//----Escape Codes and Strings
+
+const char cr = '\r';
+const char lf = '\n';
+const char bell = '\7';
+const char esc = '\033';
+const char sp = ' ';
+const char crlf[] = "\r\n\0";
+
+const char bs[] = "\b \b\0";
+
+const char boldon[] = "\033[1m\0";
+const char boldoff[] = "\033[0m\0";
+const char cls[] = "\033[2J\0";
+const char home[] = "\033[H\0";
+
+const char prompt[] = "CMD>";
+
+//Before including this file, define CID_LAST as the last value from the enum with commands.
+
+//#define CMD_TBL_LEN CID_LAST
+
+#define SUBSYSTEM -1
+#define GLOBALCMD -2
+#define HIDDENSUB -3
+
+#define CID_BOOT 9991
+#define CID_MACRO 9992
+#define CID_RUN 9993
+#define CID_MACROS 9994
+
+#define CID_ECHO 9995
+#define CID_BOLD 9996
+#define CID_CLS 9997
+#define CID_IDLE 9998
+#define CID_HELP 9999
+
+//You need to add the following commands to your command table.
+
+//Optional
+cmdb_cmd BOOT = { "Boot", GLOBALCMD ,CID_BOOT ,"" ,"Boot" ,""};
+
+//Optional
+cmdb_cmd MACRO = { "Macro", GLOBALCMD ,CID_MACRO ,"%s" ,"Define macro (sp->_, cr->|)" ,"command(s)"};
+cmdb_cmd RUN = { "Run", GLOBALCMD ,CID_RUN ,"" ,"Run a macro" ,""};
+cmdb_cmd MACROS = { "Macros", GLOBALCMD ,CID_MACROS ,"" ,"List macro(s)" ,""};
+
+//Optional
+cmdb_cmd ECHO = { "Echo", GLOBALCMD ,CID_ECHO ,"%bu" ,"Echo On|Off (1|0)" ,"state"};
+cmdb_cmd BOLD = { "Bold", GLOBALCMD ,CID_BOLD ,"%bu" ,"Bold On|Off (1|0)" ,"state"};
+cmdb_cmd CLS = { "Cls", GLOBALCMD ,CID_CLS ,"" ,"Clears the terminal screen" ,""};
+
+//Mandatory!
+cmdb_cmd IDLE = { "Idle", GLOBALCMD ,CID_IDLE ,"" ,"Deselect Subsystems" ,""};
+
+//Mandatory!
+cmdb_cmd HELP = { "Help", GLOBALCMD ,CID_HELP ,"%s" ,"Help" ,""};
+
+#define ESC_TBL_LEN 4
+
+struct esc_st {
+ char *escstr;
+ int id;
+};
+
+enum {
+ EID_CURSOR_UP,
+ EID_CURSOR_DOWN,
+ EID_CURSOR_RIGHT,
+ EID_CURSOR_LEFT,
+ EID_LAST
+};
+
+const struct esc_st esc_tbl [ESC_TBL_LEN] = {
+ { "\033[A", EID_CURSOR_UP },
+ { "\033[B", EID_CURSOR_DOWN },
+ { "\033[C", EID_CURSOR_RIGHT },
+ { "\033[D", EID_CURSOR_LEFT },
+};
+
+//Define a const struct cmbd_cmd cmdb_tbl [CMD_TBL_LEN] {}; that is passed into the constructor.
+
+/** Command Interpreter class.<br/>
+ * <br/>
+ * Steps to take:<br/>
+ * <br/>
+ * 1) Create a std::vector<cmdb_cmd> and fill it with at least<br/>
+ * the mandatory commands IDLE and HELP.<br/>
+ * 2) Create an Cmdb class instance and pass it both the vector and<br/>
+ * a Serial port object like Serial serial(USBTX, USBRX);<br/>
+ * 3) Feed the interpreter with characters received from your serial port.<br/>
+ * Note Cmdb self does not retrieve input it must be handed to it<br/>
+ * 4) Handle commands added by the application by the Id and parameters passed.<br/>
+ *
+ */
+class Cmdb {
+public:
+ /** Create a Command Interpreter.
+ *
+ * @param serial a Serial port used for communication.
+ * @param cmds a vector with the command table.
+ */
+ Cmdb(const Serial serial, const std::vector<cmdb_cmd>& cmds);
+
+ /** Checks if the macro buffer has any characters left.
+ *
+ * @returns true if any characters left.
+ */
+ bool cmdb_macro_hasnext();
+
+ /** Gets the next character from the macro buffer and
+ * advances the macro buffer pointer.
+ *
+ * Do not call if no more characters are left!
+ *
+ * @returns the next character.
+ */
+ char cmdb_macro_next();
+
+ /** Gets the next character from the macro buffer
+ * but does not advance the macro buffer pointer.
+ *
+ * Do not call if no more characters are left!
+ *
+ * @returns the next character.
+ */
+ char cmdb_macro_peek();
+
+ /** Resets the macro buffer and macro buffer pointer.
+ *
+ */
+ void cmdb_macro_reset();
+
+ /** Checks if the serial port has any characters
+ * left to read by calling serial.readable().
+ *
+ * @returns true if any characters available.
+ */
+ bool cmdb_hasnext();
+
+ /** Gets the next character from the serial port by
+ * calling serial.getc().
+ *
+ * Do not call if no characters are left!
+ *
+ * @returns the next character.
+ */
+ char cmdb_next();
+
+ /** Add a character to the command being processed.
+ * If a cr is added, the command is parsed and executed if possible
+ * If supported special keys are encountered (like backspace, delete and cursor up) they are processed.
+ *
+ * @parmam c the character to add.
+ *
+ * @returns true if a command was recognized and executed.
+ */
+ bool cmdb_scan(const char c);
+
+private:
+ /** Searches the escape code list for a match.
+ *
+ * @param char* escstr the escape code to lookup.
+ *
+ * @returns the index of the escape code or -1.
+ */
+ int cmdb_escid_search(char *escstr);
+
+ /** Checks if the command table for a match.
+ *
+ * @param char* cmdstr the command to lookup.
+ *
+ * @returns the id of the command or -1.
+ */
+ int cmdb_cmdid_search(char *cmdstr);
+
+ /** Converts an command id to an index of the command table.
+ *
+ * @param cmdid the command id to lookup.
+ *
+ * @returns the index of the command or -1.
+ */
+ int cmdb_cmdid_index(int cmdid);
+
+ /** Initializes the parser.
+ *
+ * @parm full if true the macro buffer is also cleared else only the command interpreter is reset.
+ */
+ void cmdb_init(const char full);
+
+ /** Writes a prompt to the serial port.
+ *
+ */
+ void cmdb_prompt(void);
+
+ /** Called by cmdb_cmd_proc it parses the command against the command table.
+ *
+ * @param cmd the command and paramaters to parse.
+ *
+ * @returns the id of the parsed command.
+ */
+ int cmdb_parse(char *cmd);
+
+ //TODO Must call Callback function.
+
+ /** Called by cmdb_scan it processes the arguments and Executes the command.
+ *
+ * @param cmd the command to execute.
+ */
+ void cmdb_cmd_proc(char *cmd);
+
+ /** Generates Help from the command table and prints it.
+ *
+ * @param pre leading text
+ * @param ndx the index of the command in the command table.
+ * @param post trailing text.
+ */
+ void cmdb_cmdhelp(char *pre, int ndx, char *post);
+
+ //Output.
+ int cmdb_printf(const char *format, ...);
+ int cmdb_print(const char *msg);
+ char cmdb_printch(const char ch);
+
+ //Utilities.
+ void zeromemory(char *p,unsigned int siz);
+ int stricmp (char *s1, char *s2);
+
+
+ //Storage, see http://www.cplusplus.com/reference/stl/vector/
+ std::vector<cmdb_cmd> _cmds;
+ Serial _serial;
+ bool echo;
+ bool bold;
+
+ int CID_LAST;
+ int CMD_TBL_LEN;
+
+ //Macro's.
+ int macro_ptr;
+ char macro_buf[1 + MAX_CMD_LEN];
+
+ enum parmtype {
+ PARM_UNUSED, //0
+
+ PARM_FLOAT, //1 (f)
+
+ PARM_LONG, //2 (l/ul)
+ PARM_INT, //3 (i/ui)
+ PARM_SHORT, //4 (w/uw)
+
+ PARM_CHAR, //5 (c/uc)
+ PARM_STRING //6 (s)
+ };
+
+ union value {
+ float f;
+
+ unsigned long ul;
+ long l;
+
+ int i;
+ unsigned int ui;
+
+ short w;
+ unsigned short uw;
+
+ char c;
+ unsigned char uc;
+
+ char s[MAX_PARM_LEN];
+ };
+
+ struct parm {
+ enum parmtype type;
+ union value val;
+ };
+
+//------------------------------------------------------------------------------
+//----These helper functions retieve parameters in the correct format.
+//------------------------------------------------------------------------------
+
+//TODO Add tests for correct type of parameter.
+
+ bool BOOLPARM(int ndx) {
+ return parms[ndx].val.uc!=0;
+ }
+
+ unsigned char BYTEPARM(int ndx) {
+ return parms[ndx].val.uc;
+ }
+
+ char CHARPARM(int ndx) {
+ return parms[ndx].val.c;
+ }
+
+ unsigned int WORDPARM(int ndx) {
+ return parms[ndx].val.ui;
+ }
+
+ unsigned int UINTPARM(int ndx) {
+ return parms[ndx].val.ui;
+ }
+
+ int INTPARM(int ndx) {
+ return parms[ndx].val.i;
+ }
+
+ unsigned long DWORDPARM(int ndx) {
+ return parms[ndx].val.ul;
+ }
+
+ long LONGPARM(int ndx) {
+ return parms[ndx].val.l;
+ }
+
+ float FLOATPARM(int ndx) {
+ return parms[ndx].val.f;
+ }
+
+ char* STRINGPARM(int ndx) {
+ return parms[ndx].val.s;
+ }
+
+//------------------------------------------------------------------------------
+//----Buffers
+//------------------------------------------------------------------------------
+
+ char cmdbuf [1 + MAX_CMD_LEN]; // command buffer
+ char cmdndx; // command index
+
+ char lstbuf [1 + MAX_CMD_LEN]; // last command buffer
+
+ char escbuf [1 + MAX_ESC_LEN]; // command buffer
+ unsigned char escndx; // command index
+
+ struct parm parms[MAX_ARGS];
+ int noparms;
+
+ int subsystem;
+
+ int argcnt; //No of arguments found in command
+ int argfnd; //No of arguments to find in parameter definition.
+ int error; //strtoXX() Error detection
+
+};
+
#endif
\ No newline at end of file