Re: [lwip-users] OS-less Active Web Server with RAW API.

[Leon Woestenberg]

Hello,

> (simplified) example:
>
> typedef enum { STATE1, STATE2, STATE3 } state;
> void init() { state = STATE1; }
> void task() {
>   switch (state) {
>      case STATE1: 
>        /*do some work*/ 
>        state = STATE2; 
>        break;
>      case STATE2: 
>        /*do some work*/ 
>        state = STATE3; 
>        break;
>      case STATE3: 
>        /*do some work*/ 
>        state = STATE1; 
>        break;
>   }
> }
>  
We do exactly the same on some 8 "tasks" or so. Works perfectly for simple
systems.

I have seen (smarter) approaches where the state variable is a pointer 
to the next
state function. Each state has its own function. This gets rid of the 
switch statement.

Regards,

Leon.