hal.h

来自「51单片机的GSM收发短信C程序」· C头文件 代码 · 共 30 行

/****************************************
文件名：hal.h
功  能：与硬件相关的配置
****************************************/
#ifndef __HAL_H__
#define __HAL_H__

//variable type
#define uchar unsigned char  //8 bit unsigned variable
#define uint  unsigned int	 //16 bit unsigned variable
#define ulong unsigned long	 //32 bit unsigned variable

//I2C Port
sbit I2C_SDA = P3^5;
sbit I2C_SCL = P3^4;

//HZK16(W29C020) Bank Port
sbit PAGE0   = P1^5;
sbit PAGE1   = P1^6;
sbit PAGE2   = P1^7;

//MC35i初始化完毕指示灯
sbit LED     = P1^0; 

//XRAM Address:0x8000~0xffff

//HZK16(W29C020) A0~A14 Address:0x0000~0x7fff

//还有一个和硬件相关的数据在I2C.h中，AT24C32的器件地址
#endif