#include<reg51.h>
unsigned char string[]={
0x80,0x00,0x80,0x00,0x80,0x00,0xFC,0x1F,0x84,0x10,0x84,0x10,0x84,0x10,0xFC,0x1F,
0x84,0x10,0x84,0x10,0x84,0x10,0xFC,0x1F,0x84,0x50,0x80,0x40,0x80,0x40,0x00,0x7F,
0x08,0x00,0x08,0x00,0xFC,0x3F,0x04,0x00,0xF2,0x0F,0x01,0x00,0xFC,0x0F,0x00,0x08,
0x00,0x08,0x00,0x08,0x00,0x08,0x00,0x08,0x00,0x50,0x00,0x50,0x00,0x60,0x00,0x40,
0x10,0x00,0xF8,0x07,0x04,0x04,0xFE,0x1F,0x85,0x10,0x44,0x10,0xFC,0x1F,0x60,0x00,
0x98,0x08,0x46,0x05,0x30,0x03,0x8E,0x05,0x60,0x09,0x18,0x11,0x47,0x61,0x80,0x00,
};
void delay(unsigned char i)
{
unsigned char t;
while(i--)
{
for(t=0;t<120;t++);
}
}
void matrix()
{
unsigned char i=0,j=0,k=0;
for(j=0;j<3;j++)
{
for(k=0;k<50;k++)
{
for(i=0;i<16;i++)
{
P1=i;
P0=string[j*32+i*2];
P2=string[j*32+i*2+1];
delay(1);
}
}
}
}
void main()
{
while(1)
{
matrix();
}
}
怎么改成用定时器间隔1s滚动
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1条回答 默认 最新
- qllaoda 2022-05-30 16:02关注
1,修改matrix函数,可以传入滚动位置参数,根据滚动位置参数调整扫描顺序
2,写个定时器中断,比如中断周期10毫秒
3,在中断里计数,比如周期是10毫秒,累加到100,就是1秒了,把滚动位置的计数加1,
4,执行matrix函数,传入滚动位置的计数,解决 无用评论 打赏 举报
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