#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) //空函数
{ }
struct MenuItem MainMenu[6] = //结构体主菜单
{
{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] = //子菜单
{
{4,"1.add fp",&NullSubs,&Null,MainMenu},
{4,"2.del fp",&NullSubs,&Null,MainMenu},
};
struct MenuItem password[4] = //子菜单
{
{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; //获取当前菜单的条目数
DisplayPoint = DisplayStart; //显示菜单的编号
if( MaxItems > LCD1602_Max_Display_Line ) //如果大于能显示的菜单数做处理
{
for ( i = 0;i < LCD1602_Max_Display_Line;i++ )
{
LCD_puts(1,i,MenuPoint[DisplayPoint].DisplayString);//2行分别显示两个菜单
if ((DisplayPoint) == (UserChoose))
{
LCD_putc(0,0,0x7e); //写小箭头
}
else
{
LCD_putc(0,i,' '); //写空格
}
DisplayPoint += 1; //字符串偏移量+1
if ((DisplayPoint) == (MaxItems))
{
DisplayPoint = 0;
}
}
}
}
void ExcuteMenu(void)
{
unsigned char GetKeyNum;
if (time_10ms_ok)
{ //确定有功能按键被按下的情况下才执行其功能
time_10ms_ok = 0;
GetKeyNum = key_driver();
if((GetKeyNum == 1)||(GetKeyNum == 2))
{
switch (GetKeyNum)
{
case S_key://短按键
UserChoose++;
if (UserChoose == MaxItems)
{
UserChoose = 0;//当用户的选择数大于最大菜单数量，则选定的清零到第一个
}
GetKeyNum=0;
break;
case L_key: //长按键
if (MenuPoint[UserChoose].ChildrenMenus != &Null)
{
MenuPoint=MenuPoint[UserChoose].ChildrenMenus; //指向子菜单
SavePoint=UserChoose; //显示菜单的编号
UserChoose=0;
DisplayStart=0;
}
else if (MenuPoint[UserChoose].ParentMenus != &Null)
{
MenuPoint= MenuPoint[UserChoose].ParentMenus; //指向父菜单
UserChoose= 0;
DisplayStart= SavePoint-1;
UserChoose= SavePoint; //恢复先前的菜单
}
if ((MenuPoint[UserChoose].Subs)!= NullSubs)
{
(*MenuPoint[UserChoose].Subs)();
}
GetKeyNum=0;
break;
default: break;
}
//*--------------------------------------------------------------------
//*菜单循环处理
if ((UserChoose < DisplayStart) || (UserChoose >= (DisplayStart + 1 )))
{
DisplayStart = UserChoose;
}
write_com(0x01);
delay_nms(3);
ShowMenu();
}
}
}
void main(void)
{
DDRB=0xff; //B口为输出
DDRD=0x7f;
PORTD=0x80;
TCNT1H=0xD8;
TCNT1L=0xF0;
TCCR1B=0x02;
TIMSK=0x80; // 允许中断
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;
}
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