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.
Diff: VarItems.cpp
- Revision:
- 1:bbd6b84fc908
- Parent:
- 0:85afbf3c9fad
- Child:
- 2:a59207652720
--- a/VarItems.cpp Mon Aug 25 08:43:23 2014 +0000 +++ b/VarItems.cpp Mon Aug 25 09:17:32 2014 +0000 @@ -3,6 +3,11 @@ #include <stdlib.h> #include <stdio.h> + + +#define DMP_SZ 100 + + VarItem::VarItem() { VarName[0]='\0'; @@ -28,29 +33,24 @@ Values=strtok(Val,","); - if(Values) - { - do - { - switch(VarType) - { + if(Values) { + do { + switch(VarType) { - case T_int: - *(ValInt+Count) = atoi(Values); - break; + case T_int: + *(ValInt+Count) = atoi(Values); + break; - case T_float: - *(ValFloat+Count) = atof(Values); - break; + case T_float: + *(ValFloat+Count) = atof(Values); + break; }; Count++; Values=strtok(NULL,","); - } - while((Values !=NULL) && (Count < ArraySize)); + } while((Values !=NULL) && (Count < ArraySize)); return 0; - } - else + } else return ERR; } @@ -59,16 +59,15 @@ { VarType=VT; - switch(VarType) - { + switch(VarType) { - case T_int: - ValInt = (int *) VarPtr; - break; + case T_int: + ValInt = (int *) VarPtr; + break; - case T_float: - ValFloat = (float*) VarPtr; - break; + case T_float: + ValFloat = (float*) VarPtr; + break; }; @@ -96,54 +95,42 @@ char *VarItem::Dump() { - static unsigned int DumpSize=0; - static char *StrDump; + + static char *StrDump=NULL; - unsigned int counter=0, DumpCounter=0; + unsigned int DumpSize=0; + unsigned int DumpCounter=0, ArrayCounter=0;; char Tmp[16]; - if(DumpSize==0) - { - DumpSize=100; - StrDump=(char *)malloc(DumpSize); - memset(StrDump,0,100); - } + if(StrDump!=NULL) free(StrDump); - do - { - - switch(VarType) - { + DumpSize=DMP_SZ; + StrDump=(char *)malloc(DumpSize); + memset(StrDump,0,DMP_SZ); - case T_int: - sprintf(Tmp,"%d,",*(ValInt+counter)); - break; - - case T_float: - sprintf(Tmp,"%f,",*(ValFloat+counter)); - break; - + do { + switch(VarType) { + case T_int: + sprintf(Tmp,"%d,",*(ValInt+ArrayCounter)); + break; + case T_float: + sprintf(Tmp,"%f,",*(ValFloat+ArrayCounter)); + break; }; - - if(DumpCounter+strlen(Tmp) >= DumpSize) - { + if(DumpCounter+strlen(Tmp) >= DumpSize) { char *d; - d=(char *)malloc(strlen(StrDump)); - DumpSize += strlen(StrDump); + DumpSize = DumpCounter+DMP_SZ; + d=(char *)malloc(DumpCounter+DMP_SZ); strcpy(d,StrDump); free(StrDump); StrDump=d; } - -#if defined VARITEMS_DEBUG - puts(StrDump); -#endif // defined - strcat(StrDump+DumpCounter,Tmp); DumpCounter+=strlen(Tmp); + ArrayCounter++; + } while (ArrayCounter < ArraySize); - } - while (counter < ArraySize); + StrDump[strlen(StrDump)-1]='\0'; return StrDump;