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: VarStore.cpp
- Revision:
- 0:85afbf3c9fad
- Child:
- 1:bbd6b84fc908
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/VarStore.cpp Mon Aug 25 08:43:23 2014 +0000 @@ -0,0 +1,163 @@ + +#include <string.h> +#include <stdio.h> +#include "mbed.h" +#include "rtos.h" + +#include "VarStore.h" + +#define CI_SZ 100 + +/******************************* +* +* +********************************/ +VarStore::VarStore(Serial *ser) +{ + VarCounter=0; + this->pc=ser; +} + +/******************************* +* +* +********************************/ + +VarStore::~VarStore() +{ + //dtor +} + +/******************************* +* +* +********************************/ + +int VarStore::Set(char *Input) +{ + VarItem *V; + char *Name; + + if(Input [0] == 's') { + strtok(Input,":"); + Name=strtok(NULL,":"); + if((V=GetVar(Name)) != NULL) + return V->SetVal(strtok(NULL,":")); + } + return ERR; +} + +/******************************* +* +* +********************************/ + + +int VarStore::Load(char *Name, void *VarPtr,VarTypes VarType ) +{ + return Load(Name, VarPtr,VarType,0 ); +} + +/******************************* +* +* +********************************/ + +int VarStore::Load(char *Name, void *VarPtr,VarTypes VarType, int Size ) +{ + + if(GetVar(Name) ==NULL) { + if(VarCounter < SZ) { + Store[VarCounter].SetVar(VarType,VarPtr); + Store[VarCounter].SetVarName(Name); + Store[VarCounter].SetVarArraySize(Size); + VarCounter++; + return 0; + } + } + return ERR; +} + +/******************************* +* +* +********************************/ + +VarItem *VarStore::GetVar(char *Name) +{ + + for (int i=0; i<SZ; i++) + if((strcmp(Name,Store[i].GetVarName()))==0) + return &Store[i]; + + return NULL; +} + +char* VarStore::Get(char *Name) +{ + + VarItem *V; + + V=GetVar(Name); + if(V!=NULL) return V->Dump(); + else + return NULL; +} + +/******************************* +* +* +********************************/ + +void VarStore::Worker(void const *args) +{ + VarStore *MyThis=(VarStore *)args; + char c; + int ret=0,ci_counter=0; + char Cs[CI_SZ]; + + for(int i=0; i<CI_SZ; i++) Cs[i]='\0'; + + MyThis->pc->printf(" hi worker\n"); + while (1) { + if(MyThis->pc->readable()) { + c=MyThis->pc->getc(); +// MyThis->pc->printf(" leo %c\n",c); + if(ci_counter >= CI_SZ-1) { // RESET + ci_counter=0; + Cs[0]='\0'; + MyThis->pc->printf(" reset\n"); + + } else { + if(c=='\r') { + Cs[ci_counter]='\0'; + MyThis->pc->printf(" CI -%s- \n",Cs); + ret=MyThis->Set(Cs); + ci_counter=0; + Cs[0]='\0'; + MyThis->pc->printf(" set variable (%d)\n",ret); + MyThis->pc->printf(" offset -%s- \n",MyThis->Get("offset")); + } else { + MyThis->pc->printf(" CI -%s- -%c- -%d- \n",Cs,c,ci_counter); + + Cs[ci_counter]=c; + ci_counter++; + MyThis->pc->printf(" parcial CI -%s- -%c-(%c) -%d- \n",Cs,c,Cs[ci_counter],ci_counter); + } + } + } + + if(ret==ERR) { + Thread::wait(100); + MyThis->pc->printf(" error setting var \n"); + ret=0; + } + Thread::wait(100); + } // While +} + +/******************************* +* +* +********************************/ +