请问STC89C52的定时器2怎么用?
请问STC89C52的定时器2怎么用?那位能给个例程?指导一下,望各位不吝赐教! #include<reg52.h>#define uint unsigned int
#define uchar unsigned char
uchar temp,aa,numdu,numwe;
sbit dula=P2^6;
sbit wela=P2^7;
uchar code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71};
uchar code tablewe[]={
0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};
void main()
{
numdu=0;
numwe=0;
aa=0;
TMOD=0X10;
TH1=(65536-50000)/256;
TL1=(65536-50000)%256;
EA=1;
ET1=1;
TR1=1;
while(1)
{
if(aa==20)
{
aa=0;
numdu++;
if(numdu==9)
numdu=1;
dula=1;
P0=table;
dula=0;
wela=1;
P0=tablewe;
wela=0;
numwe++;
if(numwe==8)
numwe=0;
}
}
}
void timer1() interrupt 3
{
TH1=(65536-50000)/256;
TL1=(65536-50000)%256;
aa++;
} 就和定时器1的用法相同啊,要注意哥定时器之间的优先权啊 q82508439 发表于 2011-7-23 17:48 static/image/common/back.gif
#include
#define uint unsigned int
#define uchar unsigned char
注意,2楼你用的是定时器1
页:
[1]