function.c

采用pc机键盘作为单片机输入设备的例子

void soundplay(unsigned char a,unsigned char b)
{
	if (soundflag)
	{
		PORTB.4=0;
		spi(a);
		spi(b);
		spi(0xe0);
		PORTB.4=1;
		delay_us(1);
		PORTB.4=0;
		spi(0xf0);
		PORTB.4=1;
	}
}
void attention(void)
{
	strcpyf(ptr1,blank4);
	strcpyf(ptr1+4,blank4);
	strcpyf(ptr1+8,blank4);
	strcpyf(ptr1+12,blank4);
	zmprintf(0,0,0,ptr1);
	zmprintf(0,0,3,ptr1);
	strcpyf(ptr1,xtts);
	zmprintf(0,0,1,ptr1);
	strcpyf(ptr1,qjtmx);
	zmprintf(0,0,2,ptr1);
}
void help1(void)
{
	strcpyf(ptr1,f1);
	strcpyf(ptr1+4,czxz);
	zmprintf(0,4,0,ptr1);
	strcpyf(ptr1,f2);
	strcpyf(ptr1+4,xsms);
	zmprintf(0,4,1,ptr1);
	strcpyf(ptr1,f3);
	strcpyf(ptr1+4,xlfs);
	zmprintf(0,4,2,ptr1);
	strcpyf(ptr1,f4);
	strcpyf(ptr1+4,bfkz);
	zmprintf(0,4,3,ptr1);
}
void help2(void)
{
	strcpyf(ptr1,xsqc);
	zmprintf(0,0,0,ptr1);
	strcpyf(ptr1,sxxx);
	zmprintf(0,0,1,ptr1);
	strcpyf(ptr1,xwkx);
	zmprintf(0,0,2,ptr1);
	strcpyf(ptr1,sdbf);
	zmprintf(0,0,3,ptr1);
}