喜欢优化代码的，看这一段的技术含量

斯就 · 发表于 2012-6-21 11:40:37

那个读懂的，请给加个中文注释。

H文件
typedef struct {
    u16 id;                     // Application ID
    void (*ini_func)(void*);     // Function - Initialization
    void (*end_func)(void*);     // Function - Finalization
    void (*run_func)(void*);     // Function - Proccess
} AP_TBL_ST;

typedef struct {
    u16         id;
    AP_TBL_ST* pCurAP;
    u8          gr_timer_handle;
    u16         reserve_id;
} CONTEXT_ST;

/* Private define ------------------------------------------------------------*/

#define AP_INIT         (0x8000)
#define AP_SET(id)      (AP_INIT|(id))
#define AP_END   (0xFFFF)

/* Input Context ID */
#define AP_INPUT_UACTL (0)

/* State Context ID */
#define AP_STATE_DETECT (0)
#define AP_STATE_UACTL (1)
#define AP_STATE_SYSERR (2)

/* Display Context ID */
#define AP_DISPLAY_DETECT (0)
#define AP_DISPLAY_UACTL (1)
#define AP_DISPLAY_MONITOR (2)

c 代码
// Input Table
static AP_TBL_ST gstInputTbl[] = {
{ AP_INPUT_UACTL, AP_Input_Ini_UACTL, AP_Input_End_UACTL, AP_Input_Run_UACTL },
{ AP_END, 0, 0, 0 }
};

// State Table
static AP_TBL_ST gstStateTbl[] = {
    { AP_STATE_DETECT, AP_State_Ini_Detect,     AP_State_End_Detect, AP_State_Run_Detect },
    { AP_STATE_UACTL, AP_State_Ini_UACTL,      AP_State_End_UACTL, AP_State_Run_UACTL },
    { AP_STATE_SYSERR, AP_State_Ini_sys_error, 0,                   0                   },
    { AP_END,    0,             0,             0            }
};

// Display Table
static AP_TBL_ST gstDisplayTbl[] = {
    { AP_DISPLAY_DETECT,    AP_Display_Ini_Detect, AP_Display_End_Detect, AP_Display_Run_Detect },
    { AP_DISPLAY_UACTL,     AP_Display_Ini_UACTL,   AP_Display_End_UACTL,   AP_Display_Run_UACTL },
    { AP_DISPLAY_MONITOR,   AP_Display_Ini_Monitor, AP_Display_End_Monitor, AP_Display_Run_Monitor },
    { AP_END,    0,             0,             0            }
};

static MAIN_OBJ_ST gu_obMain;

int main(void)
{
    INPUT_OBJ_ST*   pInput;
    STATE_OBJ_ST*   pState;
    DISPLAY_OBJ_ST* pDisplay;
省略初始化部分

    appInitialize( &gu_obMain );

    pInput = &gu_obMain.obInput;
    pState = &gu_obMain.obState;
    pDisplay = &gu_obMain.obDisplay;

    while (1)
    {
        processContext( &pInput->ctx, gstInputTbl, (void*)&gu_obMain );

// State Control process
processContext( &pState->ctx, gstStateTbl, (void*)&gu_obMain );

// Display Control process
processContext( &pDisplay->ctx, gstDisplayTbl, (void*)&gu_obMain );

}
}