epphal.c

来自「固件源代码 C52驱动编程源码学习中」· C语言 代码 · 共 16 行

#include "Epphal.h"

void outportcmd(unsigned char value)
{
	*((unsigned char xdata *)D12_COMMAND)=value;	
}
void outportdata(unsigned char value)
{
   *((unsigned char xdata *)D12_DATA)=value;	
}

unsigned char inportb(void)
{
 return *((unsigned xdata *)D12_DATA);
}