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            EEPW首頁 > 嵌入式系統(tǒng) > 設(shè)計應(yīng)用 > AVR128的程序——12864液晶顯示

            AVR128的程序——12864液晶顯示

            作者: 時間:2016-11-22 來源:網(wǎng)絡(luò) 收藏
            #include
            #define uint unsigned int
            #define uchar unsigned char
            #define psbset DDRB |= (1<<4)
            #define psbset PORTB |= (1<<4)
            #define psbclr PORTB &=~(1<<4)
            #define rsout DDRB |= (1<<5)
            #define rsset PORTB |=(1<<5)
            #define rsclr PORTB &=~(1<<5)
            #define rwout DDRB |= (1<<6)
            #define rwset PORTB |= (1<<6)
            #define rwclr PORTB &= ~(1<<6)
            #define enout DDRB |= (1<<7)
            #define enset PORTB |= (1<<7)
            #define enclr PORTB &= ~(1<<7)
            unsigned char table[]="做我女朋友吧!";
            void mcu_init(void);
            void Delayus(uint US)
            {
            uint i;
            US=US*5/4;
            for( i=0;i
            }
            void Delayms(uint MS)
            {
            uint i,j;
            for( i=0;i
            for(j=0;j<1141;j++);
            }
            void write_12864com(uchar com)
            {
            rwclr;
            rsclr;
            Delayus(500);
            PORTA=com;
            enset;
            Delayus(1000);
            enclr;
            Delayus(1000);
            }
            void write_12864dat(uchar dat)
            {
            rwclr;
            rsset;
            Delayus(500);
            PORTA=dat;
            enset;
            Delayus(1000);
            enclr;
            Delayus(1000);
            }
            void init12864lcd(void)
            {
            Delayms(500);
            write_12864com(0x30);
            Delayus(500);
            write_12864com(0x30);
            Delayus(500);
            write_12864com(0x0f);
            Delayus(500);
            write_12864com(0x01);
            Delayms(25);
            write_12864com(0x06);
            Delayus(2500);
            write_12864com(0x0c);
            Delayus(500);
            }
            void display(void)
            {
            uchar i;
            write_12864com(0x80);
            for(i=0;i<14;i++)
            {
            write_12864dat(table[i]);
            Delayms(50);
            }
            }
            void main(void)
            {
            mcu_init();
            init12864lcd();
            while(1)
            {
            display();
            while(1);
            }
            }
            void mcu_init(void)
            {
            DDRA = 0XFF;
            PORTA = 0XFF;
            DDRC = 0XFF;
            PORTC = 0XFF;
            DDRF |= 0X0E;
            PORTF |= 0X0E;
            PORTF &= 0xF0;
            DDRB |= 0X10;
            PORTB |= 0X10;
            psbset;
            rsout;
            rwout;
            enout;
            }


            關(guān)鍵詞: AVR12812864液晶顯

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