相关代码 |
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#line 1 "F:\电子设计\proteus\简单按键\main.c"
#line 1 "D:/PROGRA~1/icc/include/iom16v.h"
#line 7 "D:/PROGRA~1/icc/include/iom16v.h"
#line 10 "D:/PROGRA~1/icc/include/iom16v.h"
#line 13 "D:/PROGRA~1/icc/include/iom16v.h"
#line 16 "D:/PROGRA~1/icc/include/iom16v.h"
#line 15 "F:\电子设计\proteus\简单按键\main.c"
#line 1 "D:/PROGRA~1/icc/include/macros.h"
#line 35 "D:/PROGRA~1/icc/include/macros.h"
void _StackCheck(void);
void _StackOverflowed(char);
#line 16 "F:\电子设计\proteus\简单按键\main.c"
void port_init(void)
{
(*(volatile unsigned char *)0x3B) = 0x0F;
(*(volatile unsigned char *)0x3A) = 0x0F;
(*(volatile unsigned char *)0x38) = 0x0F;
(*(volatile unsigned char *)0x37) = 0x00;
(*(volatile unsigned char *)0x35) = 0x00;
(*(volatile unsigned char *)0x34) = 0x00;
(*(volatile unsigned char *)0x32) = 0xFF;
(*(volatile unsigned char *)0x31) = 0x05;
}
void init_devices(void)
{
asm("cli");
port_init();
(*(volatile unsigned char *)0x55) = 0x00;
(*(volatile unsigned char *)0x5B) = 0x00;
(*(volatile unsigned char *)0x59) = 0x00;
asm("sei");
}
void delay(void)
{
unsigned char i;
for(i=254;i!=0;i--)
{
asm("nop");
}
}
void main(void)
{
unsigned char temp;
init_devices();
while(1)
{
temp=(*(volatile unsigned char *)0x36);
delay();
if(temp==(*(volatile unsigned char *)0x36))
{
(*(volatile unsigned char *)0x3B)=(*(volatile unsigned char *)0x36);
}
}
}