简单状态机

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typedef enum _states
{
UPDATE_STATUS = 1,
CMD_INPUT,
CHECK,
DONE
}Tstates;

typedef Tstates(*Procedure) (void);

Tstates cur_state;

Tstates fsm_update_state(void)
{

return CMD_INPUT;
};

Tstates fsm_cmd_input(void)
{

return CHECK;
};

Tstates fsm_check(void)
{

return DONE;
};

Procedure Steps[] = 
{
fsm_update_state,
fsm_cmd_input,
fsm_check,
};

void UT_FSM(void)
{
cur_state = UPDATE_STATUS;

while(DONE != cur_state) 
{
cur_state = Steps[cur_state]();
}

}

http://www.360doc.com/content/11/1116/19/2660674_164890407.shtml#

简单状态机

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原文地址：http://www.cnblogs.com/njseu/p/4846242.html