基于Proteus学习单片机系列(九)——DA转换及其应用--TLC5615
2019-04-15 12:28发布
生成海报
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1.电路图
2.程序 只在这里贴出主函数,其余的请点击上面(点击下载)进行下载,实在太麻烦。主函数#include
#include
#define uchar unsigned char
#define uint unsigned int
#include
uchar cp1,cp2;
uint moni,dat;
void timer0_init(void)
{
TMOD = 0x01;
TL0 = (65536 - 2000) % 256;
TH0 = (65536 - 2000) / 256;
EA = 1;
TR0 = 1;
ET0 = 1;
}
void timer0_isr()interrupt 1
{
TL0 = (65536 - 2000) % 256;
TH0 = (65536 - 2000) / 256;
cp1++;
if(cp1 >= 500)
{
cp1 = 0;
tlc5615(dat);
if(dat >= 962)
dat = 0;
moni = dat * 0.489;
dat = dat + 10;
}
P0 = 0xff;
switch(cp2)
{
case 0: P0 = seven_seg[moni % 10];P2 = 0xfe;break;
case 1: P0 = seven_seg[moni / 10 % 10];P2 = 0xfd;break;
case 2: P0 = seven_seg[moni / 100] & 0x7f;P2 = 0xfb;break;
}
cp2++;
if(cp2 >= 3)
cp2 = 0;
}
void main(void)
{
timer0_init();
while(1);
}
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