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            EEPW首頁 > 嵌入式系統(tǒng) > 設計應用 > 單片機驅(qū)動16*16點陣LED漢字顯示c51程序

            單片機驅(qū)動16*16點陣LED漢字顯示c51程序

            作者: 時間:2012-12-05 來源:網(wǎng)絡 收藏

            //=========================================
            //******* 驅(qū)動16*16c51程序 *******
            //******* 作者:http://www.51hei.com *******
            //=========================================
            //晶振12MHz
            //P1.0~P1.3接74154行掃描
            //P3.0、P3.1接74164串轉(zhuǎn)并
            #include reg51.h>
            #define uchar unsigned char
            #define uint unsigned int

            uchar int_t;
            uchar i;
            uchar j;
            uchar count=2; //2個字
            uint k=0;

            void t0_int() interrupt 1
            {
            TL0=0x18;
            TH0=0x1C;
            int_t++;
            if(int_t==2) //移動速度2ms
            {
            int_t=0;
            k=k+2;
            if(k==count*32)
            k=0;
            }
            }

            void delay(uint dt)//2字節(jié)
            {
            uchar bt;//1字節(jié)
            for (;dt;dt--)
            {
            for (bt=0;bt255;bt++);
            }
            }

            void serial_send(uchar dat)
            {
            SCON=0x00;
            SBUF=~dat;
            while(1){ if(TI) {TI=0;break;} }
            }

            unsigned char code hzdot[64] = {
            /*測 CB2E2 */
            0x40,0x02,0x27,0xC2,0x24,0x42,0x84,0x52,0x45,0x52,0x55,0x52,0x15,0x52,0x25,0x52,
            0x25,0x52,0x25,0x52,0xC5,0x52,0x41,0x02,0x42,0x82,0x42,0x42,0x44,0x4A,0x48,0x04,

            /*試 CCAD4 */
            0x00,0x20,0x40,0x28,0x20,0x24,0x30,0x24,0x27,0xFE,0x00,0x20,0xE0,0x20,0x27,0xE0,
            0x21,0x20,0x21,0x10,0x21,0x10,0x21,0x0A,0x29,0xCA,0x36,0x06,0x20,0x02,0x00,0x00

            };

            void display()
            {
            j=k;
            for(i=0;i16;i++)
            {
            P1=i;
            serial_send(hzdot[j]);
            j++;
            serial_send(hzdot[j]);
            j++;
            if(j==count*32)
            j=0;
            delay(1);
            }
            }

            void main()
            {
            SCON=0x00;
            TMOD=0x01;
            IE|=0x82;
            TL0=0x18;
            TH0=0x1C;
            delay(100);
            TR0=1; //啟動T0定時器
            for(;;)
            display();
            }



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