library to modify and read program variable in runtime from a serial console. You can reset as well the mbed from the console without pushing buttons. Handy for debugging from the online compiler as you can change the behavior of the program without need to recompile each time.
VarItems.cpp
- Committer:
- julmbed
- Date:
- 2014-08-25
- Revision:
- 0:85afbf3c9fad
- Child:
- 1:bbd6b84fc908
File content as of revision 0:85afbf3c9fad:
#include "VarItems.h" #include <string.h> #include <stdlib.h> #include <stdio.h> VarItem::VarItem() { VarName[0]='\0'; ValInt=NULL; ValFloat=NULL; ArraySize=0; } VarItem::~VarItem() { //dtor } int VarItem::SetVal(char *Val) { char * Values; unsigned int Count=0; #if defined VARITEMS_DEBUG puts(Val); #endif // defined Values=strtok(Val,","); if(Values) { do { switch(VarType) { case T_int: *(ValInt+Count) = atoi(Values); break; case T_float: *(ValFloat+Count) = atof(Values); break; }; Count++; Values=strtok(NULL,","); } while((Values !=NULL) && (Count < ArraySize)); return 0; } else return ERR; } void VarItem::SetVar(VarTypes VT,void* VarPtr) { VarType=VT; switch(VarType) { case T_int: ValInt = (int *) VarPtr; break; case T_float: ValFloat = (float*) VarPtr; break; }; } /****** void VarItem::SetVarType(VarTypes VarType) { this->VarType=VarType; } *******/ void VarItem::SetVarArraySize(int Size) { ArraySize=Size; } void VarItem::SetVarName(char *Name) { strncpy(VarName,Name,VAR_NAME_LEN); VarName[VAR_NAME_LEN-1]='\0'; } char *VarItem::Dump() { static unsigned int DumpSize=0; static char *StrDump; unsigned int counter=0, DumpCounter=0; char Tmp[16]; if(DumpSize==0) { DumpSize=100; StrDump=(char *)malloc(DumpSize); memset(StrDump,0,100); } do { switch(VarType) { case T_int: sprintf(Tmp,"%d,",*(ValInt+counter)); break; case T_float: sprintf(Tmp,"%f,",*(ValFloat+counter)); break; }; if(DumpCounter+strlen(Tmp) >= DumpSize) { char *d; d=(char *)malloc(strlen(StrDump)); DumpSize += strlen(StrDump); strcpy(d,StrDump); free(StrDump); StrDump=d; } #if defined VARITEMS_DEBUG puts(StrDump); #endif // defined strcat(StrDump+DumpCounter,Tmp); DumpCounter+=strlen(Tmp); } while (counter < ArraySize); return StrDump; } char *VarItem::GetVarName() { return VarName; }