AVR多級菜單調試通過

ID:526301 · 發(fā)表于 2019-6-2 23:18

#include <iom8515v.h>
#include <LCD1602.h>
#include <timer.h>
#include <key.h>

volatile unsigned int time_10ms_ok = 0;

void LED1ON(void)
{
  PORTD |=  BIT(0);
}

void NullSubs(void)    //空函數
{    }

struct MenuItem  MainMenu[6] =          //結構體主菜單
{
{6,"1.fingerprint",&LED1ON,fingerprint,&Null},
{6,"2.password set",&NullSubs,password,&Null},
{6,"3.IC card set",&NullSubs,fingerprint,&Null},
{6,"4.telecontrol",&NullSubs,fingerprint,&Null},
{6,"5.system set",&NullSubs,fingerprint,&Null},
{6,"6.rec inquire",&NullSubs,fingerprint,&Null},
};

struct MenuItem fingerprint[4] =             //子菜單
{
{4,"1.add fp",&NullSubs,&Null,MainMenu},
{4,"2.del fp",&NullSubs,&Null,MainMenu},
};

struct MenuItem password[4] =             //子菜單
{
{4,"1.add password",&NullSubs,&Null,MainMenu},
{4,"2.del password",&NullSubs,&Null,MainMenu},
};

struct MenuItem (*MenuPoint) = MainMenu;

void ShowMenu(void)
{
unsigned char i = 0;
MaxItems = MenuPoint[0].MenuCount;             //獲取當前菜單的條目數
DisplayPoint = DisplayStart;                   //顯示菜單的編號
if( MaxItems > LCD1602_Max_Display_Line ) //如果大于能顯示的菜單數做處理
{
         for ( i = 0;i < LCD1602_Max_Display_Line;i++ )
         {
            LCD_puts(1,i,MenuPoint[DisplayPoint].DisplayString);//2行分別顯示兩個菜單
            if ((DisplayPoint) == (UserChoose))
            {
            LCD_putc(0,0,0x7e); //寫小箭頭
            }
            else
            {
            LCD_putc(0,i,' ');    //寫空格
            }
            DisplayPoint += 1; //字符串偏移量+1
            if ((DisplayPoint) == (MaxItems))
            {
            DisplayPoint = 0;
            }
         }
}
}

void ExcuteMenu(void)
{
unsigned char GetKeyNum;

if (time_10ms_ok)
{          //確定有功能按鍵被按下的情況下才執(zhí)行其功能
         time_10ms_ok = 0;
         GetKeyNum = key_driver();
         if((GetKeyNum == 1)||(GetKeyNum == 2))
   {
      switch (GetKeyNum)
      {
      case S_key://短按鍵
         UserChoose++;
         if (UserChoose == MaxItems)
         {
         UserChoose = 0;//當用戶的選擇數大于最大菜單數量，則選定的清零到第一個
         }
         GetKeyNum=0;
         break;

      case L_key:  //長按鍵
         if (MenuPoint[UserChoose].ChildrenMenus != &Null)
         {
         MenuPoint=MenuPoint[UserChoose].ChildrenMenus;  //指向子菜單
         SavePoint=UserChoose;  //顯示菜單的編號
         UserChoose=0;
         DisplayStart=0;
         }
         else if (MenuPoint[UserChoose].ParentMenus != &Null)
         {
         MenuPoint= MenuPoint[UserChoose].ParentMenus; //指向父菜單
         UserChoose= 0;
         DisplayStart= SavePoint-1;
         UserChoose= SavePoint; //恢復先前的菜單
         }
      if ((MenuPoint[UserChoose].Subs)!= NullSubs)
      {
   (*MenuPoint[UserChoose].Subs)();
   }
         GetKeyNum=0;
         break;
         default: break;
      }
//*--------------------------------------------------------------------
//*菜單循環(huán)處理
      if ((UserChoose < DisplayStart) || (UserChoose >= (DisplayStart + 1 )))
      {
      DisplayStart = UserChoose;
      }
      write_com(0x01);
      delay_nms(3);
      ShowMenu();
}
  }
}

void main(void)
{

DDRB=0xff;                   //B口為輸出
DDRD=0x7f;
PORTD=0x80;
TCNT1H=0xD8;
TCNT1L=0xF0;
TCCR1B=0x02;
TIMSK=0x80;                                  // 允許中斷
SEI();
init_LCD();
ShowMenu();
while(1)
{
ExcuteMenu();
}
}

#pragma interrupt_handler timer1:7
void timer1(void)
{
time_10ms_ok=1;
TCNT1H=0xD8;
TCNT1L=0xF0;
TIMSK=0x80;
}

ID:1 · 發(fā)表于 2019-6-3 00:31

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AVR多級菜單調試通過