刚刚学习ACT单片机,玩不中断不执行,请大家帮忙看看
我使用的AVRstudio+winAVR,想根据马老师的书籍进行练习,但中断一直不执行。请大家帮我看看。谢谢了!程序代码如下:#include <avr/io.h>
#include <avr/delay.h>
#include <avr/pgmspace.h>
#include <avr/interrupt.h>
const prog_uchar number={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
char counter;
SIGNAL(INT0_vect)
{
counter=3;
}
SIGNAL(INT1_vect)
{
counter=5;
}
int main(void)
{
PORTA=0xFF;
DDRA=0xFF;
GICR=0xC0;
MCUCR=0x0A;
//GIFR=0xC0;
counter=1;
sei();
while(1)
{
PORTA=number;
}
}
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