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        MC9S12XS128驅動LEDP10顯示屏

        作者: 時間:2016-11-27 來源:網絡 收藏
        #include
        #include "derivative.h"
        #define B PORTA_PA0 //數據串行輸入時鐘
        #define C PORTA_PA2 //數據輸出時鐘
        #define D PORTA_PA4 //74LS138使能時鐘
        #define A PORTA_PA1 //行選
        #define CP PORTA_PA5 //行選
        #define SC PORTA_PA6 //行選
        #define RI PORTA_PA3 //串行數據
        #define CT PORTA_PA7
        #define DIR DDRA //數據方向
        #define BUS_CLOCK 32000000 //總線頻率
        unsigned char ziku[4][32]={
        0xFB,0xBF,0xFB,0xBF,0xC0,0x03,0xFB,0xBF,0xFB,0xBF,0x80,0x01,0xFB,0xBF,0xF7,0xDF,
        0xEE,0xEF,0xDE,0xF7,0x3E,0xF9,0xEE,0xAF,0xEE,0xD7,0xDE,0xD7,0xFA,0xFF,0xFD,0xFF,
        0xFE,0xFF,0x80,0x03,0xFE,0xFF,0xC0,0x07,0xFF,0xFF,0xE0,0x0F,0xEF,0xEF,0xE0,0x0F,
        0xFB,0xBF,0x00,0x01,0xFF,0xFF,0xE0,0x0F,0xEF,0xEF,0xEF,0xEF,0xE0,0x0F,0xFF,0xFF,
        0xFD,0xFF,0xDD,0xBF,0xDD,0xCF,0xDD,0xEF,0x80,0x01,0xDB,0xFF,0xFB,0xFF,0xF8,0x1F,
        0xF3,0xDF,0xF5,0xDF,0xF5,0xDF,0xEE,0xBF,0xDF,0x7F,0xBE,0x9F,0x79,0xE3,0xE7,0xF7,
        0xFF,0xF7,0x81,0xF7,0xBD,0xF7,0xB5,0xF7,0xB5,0x01,0xB5,0xE7,0xB5,0xE7,0xB5,0xD7,
        0xB5,0xD7,0xB5,0xB7,0xF7,0xB7,0xEB,0x77,0xED,0xF7,0xDC,0xF7,0xBD,0xD7,0x7F,0xEF
        };
        void init();
        void shuru(unsigned char data);
        void shuchu();
        void delay(unsigned char p);
        void hangxuan(unsigned char P);
        void timer_init();
        void shuru1();
        void INIT_PLL(void);
        unsigned char hang=0,zi=0,shu=0;
        void main(void)
        {
        init();
        INIT_PLL();
        timer_init();
        while(1)
        {
        for(hang=0;hang<16;hang++)
        {
        for(zi=0;zi<4;zi++)
        {
        shuru(ziku[zi][2*hang]);
        shuru(ziku[zi][2*hang+1]);
        }
        shuru1();
        hangxuan(hang);
        shuchu();
        }
        }
        }
        void shuru(unsigned char data)
        {
        unsigned char j=0;
        for(j=0;j<8;j++)
        {
        RI=((data<
        CP=0;
        asm NOP;
        CP=1;
        asm NOP;
        }
        }
        void shuru1()
        {
        unsigned char j=0;
        for(j=0;j
        {
        if(j<64)
        {
        RI=1;
        CP=0;
        asm NOP;
        CP=1;
        asm NOP;
        }
        else
        {
        RI=((ziku[(j-64)/16][2*hang+((j)>7? 1:0)]<<(j%8))&0x80)==0x80? 1:0;
        CP=0;
        asm NOP;
        CP=1;
        asm NOP;
        }
        }
        }
        void shuchu()
        {
        SC=0;
        asm NOP;
        SC=1;
        asm NOP;
        }

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