16-32点阵程序.doc

/* 16*32点阵程序*/#include #include #define uchar unsigned char/用到的引脚及端口定义及全局变量sbit SERIALIN_0=P20; /定义P2.0为列向第1个74HC595的DATA输入sbit SERIALIN_1=P21; /定义P2.1为列向第1个74HC595的DATA输入sbit SERIALIN_2=P22; /定义P2.2为列向第1个74HC595的DATA输入sbit SERIALIN_3=P23; /定义P2.3为列向第1个74HC595的DATA输入sbit CLOCK=P24; /74HC595的移位时钟控制sbit LATCH=P25; /74HC595的锁存输出时钟控制uchar temp4=0,0,0,0; /用到的74HC595显示缓冲区变量uchar disp416; /用到的显示缓冲区/=/定义要显示的汉字代码段 16*16，分别是左上左下右上右下/=/uchar code word1616=0xDF,0xFF,0xE8,0x01,0xEF,0xF7,0xFF,0xF7,0x77,0xF7,0xB4,0x37,0xAD,0xB7,0xED,0xB7,0xDD,0xB7,0xDC,0x37,0x1D,0xB7,0xDF,0xF7,0xDF,0xF7,0xDF,0xF7,0xDF,0xD7,0xDF,0xEF,/*河,0*/0xFF,0xFF,0xDF,0xBF,0xEF,0xBF,0xED,0xBF,0x7D,0xB3,0xB5,0x8B,0xB4,0x3B,0xE9,0xBB,0xED,0xBB,0xED,0xAB,0xDD,0xB7,0x1D,0xBF,0xDD,0xBD,0xDD,0xFD,0xDE,0x01,0xFF,0xFF,/*池,1*/0xFE,0xF7,0xEF,0x73,0xF3,0x37,0xF7,0x6F,0x80,0x01,0xBF,0xFB,0x70,0x17,0xFF,0xBF,0xFF,0x7F,0x80,0x01,0xFF,0x7F,0xFF,0x7F,0xFF,0x7F,0xFF,0x7F,0xFD,0x7F,0xFE,0xFF,/*学,2*/0xFF,0x7F,0x07,0xBF,0x70,0x01,0x6B,0xFB,0x5F,0xFF,0x5C,0x07,0x6F,0xFF,0x77,0xFF,0x70,0x01,0x56,0xDF,0x6E,0xDF,0x7E,0xDF,0x7D,0xDD,0x7D,0xDD,0x7B,0xDD,0x77,0xE1,/*院,3*/; /阳码 行式 逆向 /=/名称:delay/说明:延时函数/功能:根据需要取不同的值,实现不同的延时效果/=/void delay() uchar i; for(i=0;i=100;i+);/=/名称:shift/说明:74HC595左移程序/功能:实现74HC595的移位输入/=/void shift() uchar j; for(j=0;j8;j+) temp0=temp01; /将temp0左移1位 SERIALIN_0=CY; /进位输出到移位寄存器 temp1=temp11; /将temp1左移1位后 SERIALIN_1=CY; /进位输出到移位寄存器 temp2=temp21; /将temp2左移1位后 SERIALIN_2=CY; /进位输出到移位寄存器 temp3=temp31; /将temp0左移1位后的进位输出到移位寄存器 SERIALIN_3=CY; /进位输出到移位寄存器 CLOCK=1; /移位时钟控制移位 CLOCK=0; /=/名称:displaywor/说明:汉字显示子程序/功能:实现汉字显示/=/void display_word() uchar m,p; for(p=0;p=20;p+) /一屏内容刷20次 for(m=0;m=15;m+) /从015行逐行扫描 temp0=disp0m; /将显示内容0放入缓冲区0 temp1=disp1m; /将显示内容1放入缓冲区1 temp2=disp2m; /将显示内容2放入缓冲区2 temp3=disp3m; /将显示内容3放入缓冲区3 shift(); /左移 LATCH=0; /锁存输出 LATCH=1; P0=m; /显示当前行 delay(); /延时 P0=0xff; /显示完一行重新初始化防止重影 /=/名称:main/说明:主函数/功能:形成要显示的汉字代码实现各种功能显示，本例为左移显示/=/void main() uchar i,j,m; while(1) for(i=0;i=23;i+) /一共显示11个字符 for(j=0;j8;j+) /左移07位实现左移 for(m=0;m=15;m+) /逐行左移 disp0m=(wordim(8-j); /将第i+1个8*8小块左移j位后的移出 disp1m