void X_Y_IN(void)

{ if((RB0==0)(RB1==0))

{ ms(2);

if((RB0==0)(RB1==0)((z++)==500))

{ temp1=1;

}

}

else

{ z=1;

temp1=0;

}

Key_Num1=temp1;

if((Key_Num1!=0x00)(Key_Num1 == Key_Backup1 ))

{ if(!Key_Dis_F1)

{ Key_Dis_F1 = 1;

asm("clrwdt");

if((RB0==0)(RB1==0))

{ OFF_ON=1;

}

}

}

else

{ Key_Backup1 = Key_Num1;

Key_Dis_F1 = 0;

}

}

void keyscan(void)

{ if((RB7==0)|(RB6==0))

{ ms(10);

if((RB7==0)|(RB6==0))

{ temp=1;

}

}

else

{ temp=0;

}

Key_Num=temp;

if((Key_Num!=0x00)(Key_Num == Key_Backup ))

{ if(!Key_Dis_F)

{ Key_Dis_F = 1;

asm("clrwdt");

if((RB6==0)(RB7==1))

{ ES--;

if(ES=1)

{ ES=1;

}

if(ES!=ES_BC_DATA)

{ ES_DATA=ES_BC_DATA=ES;

writeByte(0x00,ES_BC_DATA);

writeByte(0x01,out);

writeByte(0x02,RA4);

writeByte(0x03,RB1);

writeByte(0x04,RB0);

writeByte(0x05,z);

}

}

if((RB6==1)(RB7==0))

{ ES++;

if(ES>=6)

{ ES=6;

}

if(ES!=ES_BC_DATA)

{ ES_DATA=ES_BC_DATA=ES;

writeByte(0x00,ES_BC_DATA);

}

}

}

}

else

{ Key_Backup = Key_Num;

Key_Dis_F = 0;

}

}

char readByte(char addr)

{ char tmpEEPROM;

EEADR = addr;

SELECT_EEPROM();

START_READ_EEPROM();

tmpEEPROM = EEDATA;

return tmpEEPROM;

}

void writeByte(char addr, char data)

{ EEADR = addr;

EEDATA = data;

SELECT_EEPROM();

ENABLE_WRITE_EEPROM();

EECON2 = 0X55;

EECON2 = 0Xaa;

START_WRITE_EEPROM();

ENABLE_WRITE_EEPROM();

while(1 != EEIF);

EEIF = 0;

}

結束語

該PVS控制系統以PIC16F628單片機為核心，具有集成度高、性能穩定、抗干擾能力強、性價比高等優點。該PVS控制系統已制作成品銷售，由蘇州翔慶精密機械有限公司等單位經過6個月的聯機生產驗證，證明該設計方案可靠、可行。利用該PVS控制系統改造CM402型貼片機，預期可提升生產力約4%，具有良好的實用價值。