shell.c File Reference

#include "includes.h"

Go to the source code of this file.

Data Structures

struct  ARGUMENT_CONTROL

Defines

#define ShellIdleState   0
#define ShellInitialState   1
#define ShellWaitCommandState   2
#define ShellDispatchState   3
#define ShellExecutionState   4
#define ShellExecutionStopState   5
#define ExecutionStartState   0
#define ExecutionRunState   1
#define ExecutionStopState   2
#define ItemInfo   0
#define ItemHelp   1
#define ItemOs   2
#define ItemFdc   3
#define ItemXmodem   4
#define ItemDump   5
#define ItemRun   6
#define ARGUMENT_ARGV_MAX   5
#define ARGUMENT_INDEX_MAX   50
#define DEBUG_SHELL_DUMP   0
#define DEBUG_SHELL_KEY   0
#define DEBUG_SHELL_DONE   0
#define ArgumentIdleState   0
#define ArgumentInitialState   1
#define ArgumentRxState   2
#define MeetEscKey   0x01
#define HasEscXkey   0x02
#define HasPageDown   0x04
#define ArgumentSearchState   0
#define ArgumentGoThroughState   1
#define ArgumentDoneState   2

Functions

void ShellInit (void)
void ShellSvc (void)
bool ShellStatusCheck (void)
void ShellArgumentInitial (void)
void ShellArgumentSvc (void)
void ShellArgumentParser (void)
U8 ShellArgumentCheck (void)
void ShellArgumentReset (void)
bool ShellArgumentBs (void)
void ShellArgumentKeyPut (U8 Data)

Variables

U8 info [] = "info"
U8 help [] = "help"
U8 os [] = "os"
U8 fdc [] = "fdc"
U8 xmodem [] = "xmodem"
U8 dump [] = "dump"
U8 run [] = "run"
U8 * ShellCommand []
SHELL_CONTROL ShellCtrl
ARGUMENT_CONTROL ArgumentCtrl

Define Documentation

#define ARGUMENT_ARGV_MAX   5

Definition at line 53 of file shell.c.

#define ARGUMENT_INDEX_MAX   50

Definition at line 54 of file shell.c.

#define ArgumentDoneState   2

Definition at line 451 of file shell.c.

#define ArgumentGoThroughState   1

Definition at line 450 of file shell.c.

#define ArgumentIdleState   0

Definition at line 71 of file shell.c.

#define ArgumentInitialState   1

Definition at line 72 of file shell.c.

#define ArgumentRxState   2

Definition at line 73 of file shell.c.

#define ArgumentSearchState   0

Definition at line 449 of file shell.c.

#define DEBUG_SHELL_DONE   0

Definition at line 69 of file shell.c.

#define DEBUG_SHELL_DUMP   0

Definition at line 67 of file shell.c.

#define DEBUG_SHELL_KEY   0

Definition at line 68 of file shell.c.

#define ExecutionRunState   1

Definition at line 20 of file shell.c.

#define ExecutionStartState   0

Definition at line 19 of file shell.c.

#define ExecutionStopState   2

Definition at line 21 of file shell.c.

#define HasEscXkey   0x02

Definition at line 76 of file shell.c.

#define HasPageDown   0x04

Definition at line 77 of file shell.c.

#define ItemDump   5

Definition at line 29 of file shell.c.

#define ItemFdc   3

Definition at line 27 of file shell.c.

#define ItemHelp   1

Definition at line 25 of file shell.c.

#define ItemInfo   0

Definition at line 24 of file shell.c.

#define ItemOs   2

Definition at line 26 of file shell.c.

#define ItemRun   6

Definition at line 30 of file shell.c.

#define ItemXmodem   4

Definition at line 28 of file shell.c.

#define MeetEscKey   0x01

Definition at line 75 of file shell.c.

#define ShellDispatchState   3

Definition at line 15 of file shell.c.

#define ShellExecutionState   4

Definition at line 16 of file shell.c.

#define ShellExecutionStopState   5

Definition at line 17 of file shell.c.

#define ShellIdleState   0

Definition at line 12 of file shell.c.

#define ShellInitialState   1

Definition at line 13 of file shell.c.

#define ShellWaitCommandState   2

Definition at line 14 of file shell.c.

Function Documentation

bool ShellArgumentBs ( void   ) 

Definition at line 511 of file shell.c.

00511                           {
00512     if(ArgumentCtrl.Put==0) return false;
00513     else{
00514         ArgumentCtrl.Put--;
00515         return true;
00516     }
00517 }

U8 ShellArgumentCheck ( void   ) 

Definition at line 500 of file shell.c.

00500                            {
00501     if(ArgumentCtrl.HasInput==true) return true;
00502     else return false;
00503 }

void ShellArgumentInitial ( void   ) 

Definition at line 288 of file shell.c.

00288                                {
00289     ArgumentCtrl.Put=0;
00290     ArgumentCtrl.Insert=false;
00291     ArgumentCtrl.Argc=0;
00292     ArgumentCtrl.Status=0;
00293     ArgumentCtrl.HasInput=false;
00294     ArgumentCtrl.State=ArgumentRxState;
00295 }

void ShellArgumentKeyPut ( U8  Data  ) 

Definition at line 519 of file shell.c.

00519                                  {
00520     if(ArgumentCtrl.Put<(ARGUMENT_INDEX_MAX-1)){
00521         ArgumentCtrl.Data[ArgumentCtrl.Put]=Data;
00522         ArgumentCtrl.Put++;
00523     }
00524 }

void ShellArgumentParser ( void   ) 

Definition at line 453 of file shell.c.

00453                               {
00454     U8 Index;
00455     U8 State;
00456     U8 Status;
00457 
00458     Index=0;
00459     Status=0;
00460     ArgumentCtrl.Argc=0;
00461     State=ArgumentSearchState;
00462     while(1){
00463         switch(State){
00464             case ArgumentSearchState:
00465                 if(ArgumentCtrl.Data[Index]==ASCII_SP){;}    
00466                 else if(ArgumentCtrl.Data[Index]==ASCII_CR){ 
00467                     ArgumentCtrl.Data[Index]=0;
00468                     ArgumentCtrl.Data[Index+1]=ASCII_CR;
00469                     State=ArgumentDoneState;
00470                 }
00471                 else{
00472                     ArgumentCtrl.pArgv[ArgumentCtrl.Argc]=&ArgumentCtrl.Data[Index];
00473                     ArgumentCtrl.Argc++;
00474                     State=ArgumentGoThroughState;
00475                 }
00476                 break;
00477             case ArgumentGoThroughState:
00478                 if(ArgumentCtrl.Data[Index]==ASCII_CR){
00479                     ArgumentCtrl.Data[Index]=0;
00480                     ArgumentCtrl.Data[Index+1]=ASCII_CR;
00481                     State=ArgumentDoneState;
00482                 }
00483                 else if(ArgumentCtrl.Data[Index]==ASCII_SP){
00484                     ArgumentCtrl.Data[Index]=0;
00485                     State=ArgumentSearchState;
00486                 }
00487                 break;
00488             case ArgumentDoneState:
00489                 if(ArgumentCtrl.Put==ARGUMENT_INDEX_MAX){ 
00490                     ShellArgumentReset();
00491                     return;
00492                 }
00493                 ArgumentCtrl.HasInput=true;
00494                 return;
00495         }
00496         Index++;
00497     }
00498 }

void ShellArgumentReset ( void   ) 

Definition at line 505 of file shell.c.

00505                              {
00506     ArgumentCtrl.Put=0;
00507     ArgumentCtrl.Argc=0;
00508     ArgumentCtrl.HasInput=false;
00509 }

void ShellArgumentSvc ( void   ) 

Definition at line 297 of file shell.c.

00297                            {
00298     U8 Data;
00299 
00300     //if(KeyboardKeyBufferCheck()==BUFFER_EMPTY) return;
00301     //while(KeyboardKeyBufferCheck()==BUFFER_EMPTY) OsYield();
00302     while(KeyboardKeyBufferCheck()==BUFFER_EMPTY) OsEventWait(&KeyboardCtrl.KeyboardEvent,0xffff);
00303     Data=KeyboardKeyBufferGet();
00304     if(Data>=0x80){
00305         switch(Data){
00306             case KB_SPECIAL_F1_KEY:
00307             case KB_SPECIAL_F2_KEY:
00308             case KB_SPECIAL_F3_KEY:
00309             case KB_SPECIAL_F4_KEY:
00310             case KB_SPECIAL_F5_KEY:
00311             case KB_SPECIAL_F6_KEY:
00312             case KB_SPECIAL_F7_KEY:
00313             case KB_SPECIAL_F8_KEY:
00314             case KB_SPECIAL_F9_KEY:
00315             case KB_SPECIAL_F10_KEY:
00316             case KB_SPECIAL_F11_KEY:
00317             case KB_SPECIAL_F12_KEY:
00318             case KB_SPECIAL_PRTSCR_KEY:
00319                 break;
00320             case KB_SPECIAL_SCROLL_LOCK_KEY:
00321                 if(KeyboardCtrl.LedChange=true){
00322                     KeyboardSetLed();
00323                     KeyboardCtrl.LedChange=false;
00324                 }
00325                 break;
00326             case KB_SPECIAL_PAUSE_BREAK_KEY:
00327             case KB_SPECIAL_TAB_KEY:
00328             case KB_SPECIAL_SHIFT_AT_LEFT_KEY:
00329             case KB_SPECIAL_SHIFT_AT_RIGHT_KEY:
00330             case KB_SPECIAL_CTRL_AT_LEFT_KEY:
00331             case KB_SPECIAL_CTRL_AT_RIGHT_KEY:
00332             case KB_SPECIAL_WINDOW_AT_LEFT_KEY:
00333             case KB_SPECIAL_WINDOW_AT_RIGHT_KEY:
00334             case KB_SPECIAL_ATL_AT_LEFT_KEY:
00335             case KB_SPECIAL_ATL_AT_RIGHT_KEY:
00336             case KB_SPECIAL_MENUS_KEY:
00337             case KB_SPECIAL_INSERT_KEY:
00338             case KB_SPECIAL_HOME_KEY:
00339             case KB_SPECIAL_PAGE_DOWN_KEY:
00340             case KB_SPECIAL_END_KEY:
00341             case KB_SPECIAL_PAGE_UP_KEY:
00342                 break;
00343             case KB_SPECIAL_CAP_LOCK_KEY:
00344                 if(KeyboardCtrl.LedChange=true){
00345                     KeyboardSetLed();
00346                     KeyboardCtrl.LedChange=false;
00347                 }
00348                 break;
00349             case KB_SPECIAL_UP_ARROW_KEY:
00350             case KB_SPECIAL_LEFT_ARROW_KEY:
00351             case KB_SPECIAL_DOWN_ARROW_KEY:
00352             case KB_SPECIAL_RIGHT_ARROW_KEY:
00353                 break;
00354             case KB_SPECIAL_NUM_LOCK_KEY:
00355                 if(KeyboardCtrl.LedChange=true){
00356                     KeyboardSetLed();
00357                     KeyboardCtrl.LedChange=false;
00358                 }
00359                 break;
00360             case KB_SPECIAL_INS:
00361             default:
00362                 break;
00363         }
00364     }
00365     else{
00366         switch(Data){
00367             case  ASCII_NUL: // ^@
00368                 break;
00369             case  ASCII_SOH: // ^A
00370                 break;
00371             case  ASCII_STX: // ^B
00372                 break;
00373             case  ASCII_ETX: // ^C
00374                 break;
00375             case  ASCII_EOT: // ^D
00376                 break;
00377             case  ASCII_ENQ: // ^E
00378                 break;
00379             case  ASCII_ACK: // ^F
00380                 break;
00381             case  ASCII_BEL: // ^G
00382                 break;
00383             case  ASCII_BS:  // ^H
00384                 if(ShellArgumentBs()==true){
00385                     GuiBackSpace();
00386                 }
00387                 break;
00388             case  ASCII_HT:  // ^I
00389                 break;
00390             case  ASCII_LF:  // ^J
00391                 break;
00392             case  ASCII_VT:  // ^K
00393                 break;
00394             case  ASCII_FF:  // ^L
00395                 break;
00396             case  ASCII_CR:  // ^M
00397                 ShellArgumentKeyPut(Data);
00398                 ShellArgumentParser();
00399                 break;
00400             case  ASCII_SO:  // ^N
00401                 break;
00402             case  ASCII_SI:  // ^O
00403                 break;
00404             case  ASCII_DLE: // ^P
00405                 break;
00406             case  ASCII_DC1: // ^Q
00407                 break;
00408             case  ASCII_DC2: // ^R
00409                 break;
00410             case  ASCII_DC3: // ^S
00411                 break;
00412             case  ASCII_DC4: // ^T
00413                 break;
00414             case  ASCII_NAK: // ^U
00415                 break;
00416             case  ASCII_SYN: // ^V
00417                 break;
00418             case  ASCII_ETB: // ^W
00419                 break;
00420             case  ASCII_CAN: // ^X
00421                 break;
00422             case  ASCII_EM:  // ^Y
00423                 break;
00424             case  ASCII_SUB: // ^Z
00425                 break;
00426             case  ASCII_ESC: // ^[
00427                 break;
00428             case  ASCII_FS:   /* ^\  */
00429                 break;
00430             case  ASCII_GS:  // ^]
00431                 break;
00432             case  ASCII_RS:  // ^^
00433                 break;
00434             case  ASCII_US:  // ^_
00435                 break;
00436             case  ASCII_DEL: //
00437                 //ShellArgumentDel();
00438                 break;
00439             default:
00440                 if((Data>=0x20)&&(Data<=0x7e)){
00441                     GuiCharPrint(Data);
00442                     ShellArgumentKeyPut(Data);
00443                 }
00444                 break;
00445         }
00446     }
00447 }

void ShellInit ( void   ) 

Definition at line 81 of file shell.c.

00081                     {
00082     ShellCtrl.State=ShellInitialState;
00083     ShellCtrl.Timer=0;
00084     ShellArgumentInitial();
00085 }

bool ShellStatusCheck ( void   ) 

Definition at line 283 of file shell.c.

00283                            {
00284     if(ShellCtrl.State>=ShellWaitCommandState) return true;
00285     else return false;
00286 }

void ShellSvc ( void   ) 

Definition at line 87 of file shell.c.

00087                    {
00088     U8 i;
00089     U8 Argc;
00090     U8 *pData;
00091     U8 **ppArgv;    // pointer of pArgv
00092     void (*GotoStart)(void);
00093     OS_TASKENTRY *pOsTask;
00094     
00095     switch(ShellCtrl.State){
00096         case ShellIdleState:
00097             break;
00098         case ShellInitialState:
00099             ShellArgumentInitial();
00100             GuiStringPrint("\n********************");
00101             GuiStringPrint("\n Hello, this is FORMOSA.");
00102             GuiStringPrint("\n Version 201003140");
00103             GuiStringPrint("\n********************");
00104             GuiStringPrint("\n$");
00105             ShellCtrl.State=ShellWaitCommandState;
00106             break;
00107         case ShellWaitCommandState:
00108             ShellArgumentSvc();
00109             if(ShellArgumentCheck()==true) ShellCtrl.State=ShellDispatchState;
00110             break;
00111         case ShellDispatchState:
00112             Argc=ArgumentCtrl.Argc;
00113             ppArgv=(U8 **)&ArgumentCtrl.pArgv;
00114             if(Argc>0){
00115                 for(i=0;;i++){
00116                     if(ShellCommand[i]==(U8 *)0){
00117                         GuiStringPrint("\n'");
00118                         GuiStringPrint(ArgumentCtrl.pArgv[0]);
00119                         GuiStringPrint("' command not found");
00120                         break;
00121                     }
00122                     if(SystemlibStringCompare((U8 *)ArgumentCtrl.pArgv[0],(U8 *)ShellCommand[i])==true){
00123                         ShellCtrl.ExecuteItem=i;
00124                         ShellCtrl.ExecuteState=ExecutionStartState;
00125                         ShellCtrl.State=ShellExecutionState;
00126                         return;
00127                     }
00128                 }
00129             }
00130             GuiStringPrint("\n$");
00131             ShellArgumentReset();
00132             ShellCtrl.State=ShellWaitCommandState;
00133             break;
00134         case ShellExecutionState:
00135             switch(ShellCtrl.ExecuteItem){
00136                 case ItemInfo:
00137                     switch(ShellCtrl.ExecuteState){
00138                         case ExecutionStartState:
00139                             GuiStringPrint("\n system infomation");
00140                             GuiStringPrint("\n cpu:   80x86");
00141                             GuiStringPrint("\n sdram: 32mb");
00142                             ShellCtrl.ExecuteState=ExecutionStopState;
00143                             break;
00144                         case ExecutionRunState:
00145                             break;
00146                         case ExecutionStopState:
00147                             ShellCtrl.State=ShellExecutionStopState;
00148                             break;
00149                     }
00150                     break;
00151                 case ItemHelp:
00152                     switch(ShellCtrl.ExecuteState){
00153                         case ExecutionStartState:
00154                             GuiStringPrint("\n command list:");
00155                             GuiStringPrint("\n info");
00156                             GuiStringPrint("\n help");
00157                             ShellCtrl.ExecuteState=ExecutionRunState;
00158                             break;
00159                         case ExecutionRunState:
00160                             ShellCtrl.ExecuteState=ExecutionStopState;
00161                             break;
00162                         case ExecutionStopState:
00163                             ShellCtrl.State=ShellExecutionStopState;
00164                             break;
00165                     }
00166                     break;
00167                 case ItemOs:
00168                     switch(ShellCtrl.ExecuteState){
00169                         case ExecutionStartState:
00170                             GuiStringPrint("\n os dump");
00171                             pOsTask=(OS_TASKENTRY *)OsTaskCurrent;
00172                             if(pOsTask!=(OS_TASKENTRY *)0){
00173                                 GuiStringPrint("\n OsTaskCurrent");
00174                                 GuiStringPrint("\n name:");
00175                                 GuiStringPrint(pOsTask->Name);
00176                             }
00177                             ShellCtrl.ExecuteState=ExecutionRunState;
00178                             break;
00179                         case ExecutionRunState:
00180                             ShellCtrl.ExecuteState=ExecutionStopState;
00181                             break;
00182                         case ExecutionStopState:
00183                             ShellCtrl.State=ShellExecutionStopState;
00184                             break;
00185                     }
00186                     break;
00187                 case ItemFdc:
00188                     switch(ShellCtrl.ExecuteState){
00189                         case ExecutionStartState:
00190                             Fdc1Init();
00191                             Fdc1SeekProcedure(0);
00192                             ShellCtrl.ExecuteState=ExecutionRunState;
00193                             break;
00194                         case ExecutionRunState:
00195                             ShellCtrl.ExecuteState=ExecutionStopState;
00196                             break;
00197                         case ExecutionStopState:
00198                             ShellCtrl.State=ShellExecutionStopState;
00199                             break;
00200                     }
00201                     break;
00202                 case ItemXmodem:
00203                     switch(ShellCtrl.ExecuteState){
00204                         case ExecutionStartState:
00205                             Uart1BufferReset();
00206                             XmodemRxStart();
00207                             ShellCtrl.ExecuteState=ExecutionRunState;
00208                             break;
00209                         case ExecutionRunState:
00210                             if(XmodemStatusCheck()!=true) return;
00211                             Uart1BufferReset();
00212                             if(XmodemCtrl.ErrorCount!=0)  GuiStringPrint("\n xmodem has error");
00213                             GuiStringPrint("\n BlockNumber:");
00214                             GuiU32Print((U32)XmodemCtrl.BlockNumber);
00215                             GuiStringPrint("\n TotalBlockCount:");
00216                             GuiU32Print((U32)XmodemCtrl.TotalBlockCount);
00217                             GuiStringPrint("\n ByteCount:");
00218                             GuiU32Print((U32)XmodemCtrl.ByteCount);
00219                             GuiStringPrint("\n pData:");
00220                             GuiU32Print((U32)XmodemCtrl.pData);
00221                             //GuiStringPrint("\n State:       %2x ",XmodemCtrl.State);
00222                             //GuiU32Print((U32)XmodemCtrl.State);
00223                             //GuiStringPrint("\n SubState:    %2x ",XmodemCtrl.SubState);
00224                             //GuiU32Print((U32)XmodemCtrl.SubState);
00225                             GuiStringPrint("\n ErrorCount:");
00226                             GuiU32Print((U32)XmodemCtrl.ErrorCount);
00227                             GuiStringPrint("\n ErrorCode:");
00228                             GuiU32Print((U32)XmodemCtrl.ErrorCode);
00229                             GuiStringPrint("\n ErrorRecord:");      
00230                             GuiU32Print((U32)XmodemCtrl.ErrorRecord);                      
00231                             GuiStringPrint("\n xmodem transfer done");
00232                             ShellCtrl.ExecuteState=ExecutionStopState;
00233                             break;
00234                         case ExecutionStopState:
00235                             ShellCtrl.State=ShellExecutionStopState;
00236                             break;
00237                     }
00238                     break;
00239                 case ItemDump:
00240                     switch(ShellCtrl.ExecuteState){
00241                         case ExecutionStartState:
00242                             SystemlibDumpMemory(IMAGE_ADDRESS,0x60);
00243                             ShellCtrl.ExecuteState=ExecutionRunState;
00244                             break;
00245                         case ExecutionRunState:
00246                             ShellCtrl.ExecuteState=ExecutionStopState;
00247                             break;
00248                         case ExecutionStopState:
00249                             ShellCtrl.State=ShellExecutionStopState;
00250                             break;
00251                     }
00252                     break;
00253                 case ItemRun:
00254                     switch(ShellCtrl.ExecuteState){
00255                         case ExecutionStartState:
00256                             GotoStart=(void (*)(void))IMAGE_ADDRESS;
00257                             (*GotoStart)();
00258                             ShellCtrl.ExecuteState=ExecutionRunState;
00259                             break;
00260                         case ExecutionRunState:
00261                             ShellCtrl.ExecuteState=ExecutionStopState;
00262                             break;
00263                         case ExecutionStopState:
00264                             ShellCtrl.State=ShellExecutionStopState;
00265                             break;
00266                     }
00267                     break;
00268                 default:
00269                     ShellCtrl.State=ShellExecutionStopState;
00270                     break;
00271             }
00272             break;
00273         case ShellExecutionStopState:
00274              GuiStringPrint("\n$");
00275              ShellArgumentReset();
00276              ShellCtrl.State=ShellWaitCommandState;
00277             break;
00278         default:
00279             break;
00280     }
00281 }

Variable Documentation

ARGUMENT_CONTROL ArgumentCtrl

Definition at line 79 of file shell.c.

U8 dump[] = "dump"

Definition at line 37 of file shell.c.

U8 fdc[] = "fdc"

Definition at line 35 of file shell.c.

U8 help[] = "help"

Definition at line 33 of file shell.c.

U8 info[] = "info"

Definition at line 32 of file shell.c.

U8 os[] = "os"

Definition at line 34 of file shell.c.

U8 run[] = "run"

Definition at line 38 of file shell.c.

U8* ShellCommand[]

Initial value:

{
info,
help,
os,
fdc,
xmodem,
dump,
run,
(U8 *)0
}

Definition at line 40 of file shell.c.

SHELL_CONTROL ShellCtrl

Definition at line 51 of file shell.c.

U8 xmodem[] = "xmodem"

Definition at line 36 of file shell.c.

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