多按键多界面二维数组表驱动设计

#define PAGE_NUMBER 12
#define KEY_NUMBER  5

int function_f1_op(void);
int function_f2_op(void);
int function_f3_op(void);
int function_f4_op(void);
...
int function_null_op(void);
int function_menu_op(void);
/*跳转表定义*/
static int (*const jump_table[page][key])(void) = 
{
    {function_f1_op, function_f2_op, function_f3_op, function_f4_op},
    {function_f5_op, function_f6_op, function_f7_op, function_f8_op},
 ...
    {function_esc_op, function_enter_op, function_menu_op ..., function_tab_op}
};
/*按键处理函数*/
int key_handler(uint8_t page，uint8_t key)
{
    assert (key  < KEY_NUMBER);
    assert( page < PAGE_NUMBER);
    return (*jump_table[page][key])(); 
}