Explanation required for Code

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adnan012

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What this piece of code is doing?


Code: 
typedef enum {
 st_idle = 0,
 st_init = 1,
 st_run  = 2,
 st_rst  = 3,           
}state_t;

typedef enum {   
 ev_none        = 0,
 ev_any         = 1,
 ev_key_pressed = 2,
 ev_cmd         = 3,       
 ev_time_out    = 4,
}event_t;

typedef struct {
  
 state_t current_event;
 event_t event;
 state_t next_state; 
        
}stateTranMatrix;

static stateTranMatrix st_Matrix[] = {
  
    {st_idle , ev_none , st_init},
    {st_init , ev_none , st_idle},     
};

Regards!

[moderator action: added CODE tags]
 
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Hello!

This piece of code is not doing much. It just defines enumerations (typedef enum),
defines a structure and a matrix. That's about it. Without seeing the rest of the code,
it's hard to predict what it will actually do.

Dora.
 

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According to blog the author provides a working example at github. Why don't you simply run it?

Blog chapter 10 discusses how to call the state machine.
 

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