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#ifndef __LCD_H_
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#define __LCD_H_
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/**********************************
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当使用的是4位数据传输的时候定义，
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使用8位取消这个定义
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**********************************/
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//#define LCD1602_4PINS
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/**********************************
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包含头文件
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**********************************/
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#include<reg51.h>
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//---重定义关键词---//
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#ifndef uchar
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#define uchar unsigned char
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#endif
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#ifndef uint
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#define uint unsigned int
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#endif
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/**********************************
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PIN口定义
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**********************************/
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#define LCD1602_DATAPINS P2
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sbit LCD1602_E=P1^4;
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sbit LCD1602_RW=P1^5;
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sbit LCD1602_RS=P1^6;
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/**********************************
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函数声明
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**********************************/
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/*在51单片机12MHZ时钟下的延时函数*/
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void Lcd1602_Delay1ms(uint c); //误差 0us
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/*LCD1602写入8位命令子函数*/
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void LcdWriteCom(uchar com);
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/*LCD1602写入8位数据子函数*/
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void LcdWriteData(uchar dat) ;
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/*LCD1602初始化子程序*/
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void LcdInit();
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#endif
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