1 #include <iocc2540.h>
2
3 typedef unsigned char uchar;
4 typedef unsigned int uint;
5
6 #define LED1 P1_0
7
8 void led_init(void)
9 {
10 P1DIR |= 0X01;
11 LED1 = 0;
12 }
13
14 void T1_init(void)
15 {
16 T1CTL = 0x0d; //128分频
17 T1STAT = 0x21; //选择0通道
18 }
19
20 void main(void)
21 {
22 //initialize hardware
23 led_init();
24 T1_init();
25
26 uchar count = 0;
27 while(1)
28 {
29 if(IRCON>0)
30 {
31 //进入中断
32 IRCON = 0; //进入中断，首先关闭中断
33 if (count++ >=2)
34 {
35 count = 0; //count清除
36 LED1 = ~LED1;
37 }
38 }
39 }
40
41 }
