Lcd12864

[transfomer]

/************************************************************

MCU:ATega16L 8MHz

************************************************************/

 

#include <mega16.h>

//#include <delay.h>

//#include <stdio.h>

#include "hzk.h"

 

/*LCD引脚定义 PB0-7对应LCD DB0-DB7*/

#define CS1 PORTA.6

#define CS2 PORTA.5

#define RS PORTA.2

#define RW PORTA.3

#define E PORTA.4

#define RST PORTA.7

#define SPEAK PORTA.0

#define LCDEL PORTA.1

 

#define MOTO1A PORTD.6

#define MOTO1B PORTD.7

#define MOTO2A PORTC.0

#define MOTO2B PORTC.1

 

#define HD7279CS 0

#define HD7279CLK 1

#define HD7279DATA 4

#define HD7279KEY 5

 

#define PD2 2

#define PD3 3

 

#define URSEL 7

//#define UMSEL 6

//#define UPM1 5

//#define UPM0 4

//#define USBS 3

#define UCSZ1 2

#define UCSZ0 1

//#define UCPOL 0

 

#define RXCIE 7

#define TXCIE 6

#define UDRIE 5

#define RXEN 4

#define TXEN 3

#define UCSZ2 2

#define RXB8 1

#define TXB8 0

 

#define RXC 7

#define TXC 6

#define UDRE 5

#define FE 4

#define DOR 3

#define OVR 3 /*This definition differs from the databook*/

#define PE 2

#define U2X 1

#define MPCM 0

 

 

typedef const struct

{

unsigned char X;

unsigned char Y;

}LCDPos;

 

LCDPos const LCDInfo[]={{0x28,0x00},{0x30,0x00},{0x38,0x00},{0x40,0x00},{0x48,0x00},

{0x50,0x00},{0x58,0x00},

{0x30,0x02},{0x38,0x02},{0x40,0x02},

{0x48,0x02},{0x50,0x02},

{0x30,0x04},{0x40,0x04},

{0x30,0x06},{0x40,0x06},{0x48,0x06}};

unsigned char LCDInfoBuf[17];

 

int Count = 1234;

 

void delay_us(int time)

{

do

{

time--;

}

while (time>1);

}

 

void Delay(int x)

{

int i,j;

for(j=0;j<x;j++)

{

for(i=0;i<250;i++);

}

}

 

 

unsigned char receive_byte(void)

{

unsigned char i,temp=0;

DDRD &= ~(1<<HD7279DATA);

delay_us(90);

for(i=0;i<8;i++)

{

temp=temp<<1;

PORTD |= (1<<HD7279CLK);

delay_us(10);

if((PIND & (1<<HD7279DATA))!=0)

temp|=0x01;

PORTD &= ~(1<<HD7279CLK);

delay_us(10);

}

DDRD |= (1<<HD7279DATA);

return temp;

}

 

void send_byte(unsigned char para)

{

unsigned char i;

PORTD &= ~(1<<HD7279CS);

delay_us(90);

for(i=0;i<8;i++)

{

if((para&0x80)==0x80)

PORTD |= (1<<HD7279DATA);

else

PORTD &= ~(1<<HD7279DATA);

PORTD |= (1<<HD7279CLK);

delay_us(10);

PORTD &= ~(1<<HD7279CLK);

delay_us(10);

para=para<<1;

}

}

 

void write7279(unsigned char cmd1, unsigned char cmd2)

{

send_byte (cmd1);

send_byte (cmd2);

PORTD |= (1<<HD7279CS);

}

 

void Rst7279(void)

{

send_byte(0xa4);

PORTD |= (1<<HD7279CS);

}

 

unsigned char Read7279(void)

{

unsigned char keyval;

if((PIND & (1<<HD7279KEY))==0)

{

send_byte(0x15);

keyval=receive_byte();

PORTD |= (1<<HD7279CS);

return keyval;

}

return 0xff;

}

void LCD_NOP(void)

{

unsigned char i;

for(i=0;i<50;i++);

// #asm("NOP");

}

 

 

 

void LCD_Write_ComL(unsigned char x)

{

CS1=0;

CS2=1;

LCD_NOP();

RS=0;

E=1;

LCD_NOP();

RW=0;

PORTB=x;

E=1;

E=0;

CS1=1;

CS2=1;

}

 

void LCD_Write_DatL(unsigned char x)

{

CS1=0;

CS2=1;

LCD_NOP();

RS=0;

E=1;

LCD_NOP();

RS=1;

RW=0;

PORTB=x;

E=1;

E=0;

CS1=1;

CS2=1;

}

 

 

void LCD_Write_ComR(unsigned char x)

{

CS1=1;

CS2=0;

LCD_NOP();

RS=0;

E=1;

LCD_NOP();

RW=0;

PORTB=x;

E=1;

E=0;

CS1=1;

CS2=1;

 

}

 

void LCD_Write_DatR(unsigned char x)

{

CS1=1;

CS2=0;

LCD_NOP();

RS=0;

E=1;

LCD_NOP();

RS=1;

RW=0;

PORTB=x;

E=1;

E=0;

CS1=1;

CS2=1;

 

}

 

 

void LCD_Init(void)

{

RST = 1;

RST = 0;

Delay(200);

RST = 1;

LCD_Write_ComL(0x3e);

LCD_Write_ComR(0x3e);

LCD_Write_ComL(0x3f);

LCD_Write_ComR(0x3f);

LCD_Write_ComL(0xc0);

LCD_Write_ComR(0xc0);

}

 

 

void LCD_Clr(void)

{

unsigned char i,j;

 

for(j=0;j<8;j++)

{

LCD_Write_ComL(0xb8|j);

LCD_Write_ComL(0x40);

LCD_Write_ComR(0xb8|j);

LCD_Write_ComR(0x40);

for(i=0;i<64;i++)

{

LCD_Write_DatL(0x00);

LCD_Write_DatR(0x00);

}

}

}

 

 

void CCW_PR(unsigned int neima,unsigned char X,unsigned char Y,unsigned char fan)

{

unsigned char k,com,dat1,hz;

unsigned int i;

Y=Y|0xb8;

LCD_Write_ComL(Y);

LCD_Write_ComR(Y);

if(neima<CB1B1)

hz=8;

else

hz=0;

if(X<0x40)

{

com=X+0x40;

LCD_Write_ComL(com);

k='L';

}

else

{

com=X;

LCD_Write_ComR(X); //Com=X-0x40+0x40

}

com=com&0x3f;

for(i=neima;i<(16+neima-hz);i++)

{

dat1=hzdot;

if(fan)

dat1=~dat1;

if(k=='L')

{

LCD_Write_DatL(dat1);

}

else

{

LCD_Write_DatR(dat1);

}

com++;

if(com==0x40)

{

LCD_Write_ComR(com);

k='R';

}

}

Y++;

LCD_Write_ComL(Y);

LCD_Write_ComR(Y);

if(X<0x40)

{

com=X|0x40;

LCD_Write_ComL(com);

k='L';

}

else

{

com=X;

LCD_Write_ComR(X); //Com=X-0x40+0x40

}

com=com&0x3f;

for(i=(16+neima-hz);i<(32+neima-hz-hz);i++)

{

dat1=hzdot;

if(fan)

dat1=~dat1;

if(k=='L')

{

LCD_Write_DatL(dat1);

}

else

{

LCD_Write_DatR(dat1);

}

com++;

if(com==0x40)

{

LCD_Write_ComR(com);

k='R';

}

}

}

 

void logo(void)

{

 

CCW_PR(CB5E7,0x4-2,0x06,0);

CCW_PR(CBBB0,0x14-2,0x06,0);

 

CCW_PR(CHAR_30,0x28-2,0x06,0);

CCW_PR(CHAR_31,0x30-2,0x06,0);

CCW_PR(CHAR_32,0x38-2,0x06,0);

CCW_PR(CHAR_33,0x40-2,0x06,0);

CCW_PR(CHAR_34,0x48-2,0x06,0);

CCW_PR(CHAR_35,0x50-2,0x06,0);

CCW_PR(CHAR_36,0x58-2,0x06,0);

CCW_PR(CHAR_37,0x60-2,0x06,0);

CCW_PR(CHAR_38,0x68-2,0x06,0);

CCW_PR(CHAR_39,0x70-2,0x06,0);

// CCW_PR(ASC0,0x78-2,0x06,0);

}

 

// External Interrupt 0 service routine

interrupt [EXT_INT0] void ext_int0_isr(void)

{

// Place your code here

if(PIND & (1<<PD3))

Count++;

else

Count--;

}

 

//主程序

void main(void)

{

unsigned int i;

unsigned char Key;

DDRB=0xff;

PORTB=0x00;

DDRA=0xff;

 

DDRC = 0xff;

PORTC = 0x00;

 

// Port D initialization

// Func7=Out Func6=Out Func5=In Func4=Out Func3=In Func2=In Func1=Out Func0=Out

// State7=0 State6=0 State5=P State4=0 State3=P State2=P State1=0 State0=0

PORTD=0x2C;

DDRD=0xD3;

 

// External Interrupt(s) initialization

// INT0: On

// INT0 Mode: Rising Edge

// INT1: Off

// INT2: Off

GICR|=0x40;

MCUCR=0x03;

MCUCSR=0x00;

GIFR=0x40;

 

Rst7279();

#asm("wdr");

 

#asm("SEI"); //开总中断

 

LCD_Init(); //LCD初始化

LCD_Clr(); //LCD清屏

MOTO1A = 0;

MOTO1B = 1;

MOTO2A = 0;

MOTO2B = 1;

SPEAK = 1;

LCDEL = 1;

logo();

Delay(200);

Delay(200);

while(1)

{

Key = Read7279();

if(Key != 0xff)

Count = Key;

LCDInfoBuf[0]=(Count/10000)%10;

LCDInfoBuf[1]=(Count/1000)%10;

LCDInfoBuf[2]=(Count/100)%10;

LCDInfoBuf[3]=(Count/10)%10;

LCDInfoBuf[4]=(Count)%10;

for (i=0;i<7;i++)

{

CCW_PR(LCDInfoBuf*16,LCDInfo.X,LCDInfo.Y,0);

}

 

}

}