在DSP2812上“零耗时键盘”演示C++程序

zxcvbvbnmn · 发表于 2020-8-7 11:20

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/*-----------------------------------------------------
   在DSP2812上的"零耗时键盘"演示C++程序
本演示程序在Study-2812增强版上通过运行测试
------------------------------------------------------*/
#include "main.h"

class SystemObj System;
class timerObj Timer;
class LcdObj Lcd;
class KeyboardObj Keyboard;

int main(void)
{
Lcd.SetdisplayPos(0, 0);//汉字定位到上行左端
Lcd.Display("汉字显示演示12");
Lcd.SetDisplayPos(1, 0);//汉字定位到上行左端
Lcd.Display("汉字显示演示34");
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("汉字显示演示56");
Lcd.SetDisplayPos(3, 0);//汉字定位到上行左端
Lcd.Display("汉字显示演示78");

EALLOW;
// PieCtrlRegs.PIEACK.all = 0xFFFF;//PIEACK_GROUP1;
PieCtrlRegs.PIEACK.bit.ACK7 = 1;
EDIS;

EINT; // Enable Global interrupt INTM
ERTM; // Enable Global realtime interrupt DBGM
for(;;)
{
   asm(" nop");
// Reset the watchdog counter
   KickDog();
}
}

#include "keyboard.h"

KeyboardObj::KeyboardObj(void)
{
Init();
}

void KeyboardObj::Init(void)
{
for (int i = 0; i < sizeof(PressCount); i ++)
{
      PressCount = 0;
}
Count = 0;
}

void KeyboardObj::Exec(void)
{
typedef void (KeyboardObj::*FunctionPtr)(void);//函数指针
static const FunctionPtr KeyboardCommandTab[3][KeyboardNumbers] =
{
{
      &KeyboardObj::Key01,
      &KeyboardObj::Key02,
      &KeyboardObj::Key03,
      &KeyboardObj::Key04,
      &KeyboardObj::Key05,
      &KeyboardObj::Key06,
      &KeyboardObj::Key07,
      &KeyboardObj::Key08
},//放键表
{
      &KeyboardObj::Key11,
      &KeyboardObj::Key12,
      &KeyboardObj::Key13,
      &KeyboardObj::Key14,
      &KeyboardObj::Key15,
      &KeyboardObj::Key16,
      &KeyboardObj::Key17,
      &KeyboardObj::Key18
},//短压表
{
      &KeyboardObj::Key21,
      &KeyboardObj::Key22,
      &KeyboardObj::Key23,
      &KeyboardObj::Key24,
      &KeyboardObj::Key25,
      &KeyboardObj::Key26,
      &KeyboardObj::Key27,
      &KeyboardObj::Key28
} //长压表
};
unsigned char KeyCount;
Count %= KeyboardNumbers;
KeyCount = PressCount[Count];//取压键次数
IF (Scan() == Count + 1)//有键压下
{
      KeyCount ++;//压键计数
      if (KeyCount >= KeyboardPushTimes)
      {
         if (KeyCount == KeyboardPushTimes)//短压键
         {
//             System.BeepOn();
            (::Keyboard.*KeyboardCommandTab[1][Count])();
         }
         if (KeyCount == KeyboardLongPushTimes)//长压键
         {
            (::Keyboard.*KeyboardCommandTab[2][Count])();
            KeyCount = KeyboardPushTimes;
         }
      }
}
else//无键压下
{
      if (KeyCount > 0)//以前有键压下
      {
         if (KeyCount > KeyboardPushTimes)
         {
            KeyCount = KeyboardPushTimes;
         }
         else
         {
            KeyCount --;//放键计数
            if (KeyCount == 0)//键释放
            {
                  System.BeepOff();
                  (::Keyboard.*KeyboardCommandTab[0][Count])();
            }
         }
      }
      else
      {
         KeyCount = 0;
      }
}
PressCount[Count] = KeyCount;
Count ++;
Count %= KeyboardNumbers;
}

unsigned char KeyboardObj::Scan(void)
{
volatile unsigned char KeyVal = 0;
Count %= KeyboardNumbers;
KeyVal = LEDKeyRegs;
switch (Count)
{
      case 0:
         if (!(KeyVal & ConstKEY1))
         {
            KeyVal = Count + 1;
         }
         break;
      case 1:
         if (!(KeyVal & ConstKEY2))
         {
            KeyVal = Count + 1;
         }
         break;
      case 2:
         if (!(KeyVal & ConstKEY3))
         {
            KeyVal = Count + 1;
         }
         break;
      case 3:
         if (!(KeyVal & ConstKEY4))
         {
            KeyVal = Count + 1;
         }
         break;
      case 4:
         if (!(KeyVal & ConstKEY5))
         {
            KeyVal = Count + 1;
         }
         break;
      case 5:
         if (!(KeyVal & ConstKEY6))
         {
            KeyVal = Count + 1;
         }
         break;
      case 6:
         if (!(KeyVal & ConstKEY7))
         {
            KeyVal = Count + 1;
         }
         break;
      case 7:
         if (!(KeyVal & ConstKEY8))
         {
            KeyVal = Count + 1;
         }
         break;
}
return KeyVal;
}

//KEY1放键事件处理
void KeyboardObj::Key01(void)
{
Lcd.SetDisplayPos(3, 0);//汉字定位到上行左端
Lcd.Display("KEY1键释放事件");
}

//KEY2放键事件处理
void KeyboardObj::Key02(void)
{
Lcd.SetDisplayPos(3, 0);//汉字定位到上行左端
Lcd.Display("KEY2键释放事件");
}

//KEY3放键事件处理
void KeyboardObj::Key03(void)
{
Lcd.SetDisplayPos(3, 0);//汉字定位到上行左端
Lcd.Display("KEY3键释放事件");
}

//KEY4放键事件处理
void KeyboardObj::Key04(void)
{
Lcd.SetDisplayPos(3, 0);//汉字定位到上行左端
Lcd.Display("KEY4键释放事件");
}

//KEY5放键事件处理
void KeyboardObj::Key05(void)
{
Lcd.SetDisplayPos(3, 0);//汉字定位到上行左端
Lcd.Display("KEY5键释放事件");
}

//KEY6放键事件处理
void KeyboardObj::Key06(void)
{
Lcd.SetDisplayPos(3, 0);//汉字定位到上行左端
Lcd.Display("KEY6键释放事件");
}

//KEY7放键事件处理
void KeyboardObj::Key07(void)
{
Lcd.SetDisplayPos(3, 0);//汉字定位到上行左端
Lcd.Display("KEY7键释放事件");
}

//KEY8放键事件处理
void KeyboardObj::Key08(void)
{
Lcd.SetDisplayPos(3, 0);//汉字定位到上行左端
Lcd.Display("KEY8键释放事件");
}

//KEY1压键事件处理
void KeyboardObj::Key11(void)
{
//特别注意菜农的组合键用法，可以看出"零耗时键盘"的非典之处
if (PressCount[7] >= KeyboardPushTimes)//KEY8已先压下
{
      Key8_Key1();//执行KEY8_KEY1组合键事件
}
else
{
//          System.BeepOn();
      Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
      Lcd.Display("KEY1键单击事件");
}
}

//KEY2压键事件处理
void KeyboardObj::Key12(void)
{
   System.BeepOn();
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("KEY2键单击事件");
}

//KEY3压键事件处理
void KeyboardObj::Key13(void)
{
   System.BeepOn();
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("KEY3键单击事件");
}

//KEY4压键事件处理
void KeyboardObj::Key14(void)
{
   System.BeepOn();
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("KEY4键单击事件");
}

//KEY5压键事件处理
void KeyboardObj::Key15(void)
{
   System.BeepOn();
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("KEY5键单击事件");
}

//KEY6压键事件处理
void KeyboardObj::Key16(void)
{
   System.BeepOn();
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("KEY6键单击事件");
}

//KEY7压键事件处理
void KeyboardObj::Key17(void)
{
   System.BeepOn();
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("KEY7键单击事件");
}

//KEY8压键事件处理
void KeyboardObj::Key18(void)
{
//特别注意菜农的组合键用法，可以看出"零耗时键盘"的非典之处
if (PressCount[0] >= KeyboardPushTimes)//KEY1已先压下
{
      Key1_Key8();//执行KEY1_KEY8组合键事件
}
else
{
//          System.BeepOn();
      Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
      Lcd.Display("KEY8键单击事件");
}
}

//KEY1长压键事件处理
void KeyboardObj::Key21(void)
{
   System.BeepOn();
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("KEY1键长压事件");
}

//KEY2长压键事件处理
void KeyboardObj::Key22(void)
{
   System.BeepOn();
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("KEY2键长压事件");
}

//KEY3长压键事件处理
void KeyboardObj::Key23(void)
{
   System.BeepOn();
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("KEY3键长压事件");
}

//KEY4长压键事件处理
void KeyboardObj::Key24(void)
{
   System.BeepOn();
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("KEY4键长压事件");
}

//KEY5长压键事件处理
void KeyboardObj::Key25(void)
{
   System.BeepOn();
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("KEY5键长压事件");
}

//KEY6长压键事件处理
void KeyboardObj::Key26(void)
{
   System.BeepOn();
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("KEY6键长压事件");
}

//KEY7长压键事件处理
void KeyboardObj::Key27(void)
{
   System.BeepOn();
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("KEY7键长压事件");
}

//KEY8长压键事件处理
void KeyboardObj::Key28(void)
{
   System.BeepOn();
Lcd.SetDisplayPos(2, 0);//汉字定位到上行左端
Lcd.Display("KEY8键长压事件");
}

//KEY1-KEY8组合键事件处理
void KeyboardObj::Key1_Key8(void)
{
Lcd.SetDisplayPos(1, 0);//汉字定位到上行左端
Lcd.Display("KEY1KEY8键事件");
}

//KEY8-KEY1组合键事件处理
void KeyboardObj::Key8_Key1(void)
{
Lcd.SetDisplayPos(1, 0);//汉字定位到上行左端
Lcd.Display("KEY8KEY1键事件");
}

qq666888qqw · 发表于 2020-8-7 13:10

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