MSP430g2553的LCD1602显示程序.docx

#include<>
/*
*
*/
unsigned char tab[]={""};
#define uchar unsigned char
#define uint unsigned int
#define lcd_dir P1DIR //
#define lcd_out P1OUT //
#define RS_1 P2OUT |= BIT0 //RS至
#define RS_0 P2OUT &= ~BIT0 //RS置
#define RW_1 P2OUT |= BIT1 //RW置
#define RW_0 P2OUT &= ~BIT1
#define E_1 P2OUT |= BIT2
#define E_0 P2OUT &= ~BIT2
#define OUT P2DIR |= BIT0 + BIT1 + BIT2 // ,1,2输出
//写指令
void WriteInstrustion(uchar dictate)
{
OUT;
lcd_dir = 0xff;
_delay_cycles(5000);
E_0;
RS_0;
RW_0;
_delay_cycles(2);
E_1;
lcd_out = dictate;
_delay_cycles(1000);
E_0;
}
//写地址
void WriteAddress(uchar x)
{
WriteInstrustion(x|0x80);
}
//写数据
void WriteData(uchar y)
{
OUT;
lcd_dir = 0xff;
_delay_cycles(5000);
RS_1;
E_0;
RW_0;
_delay_cycles(2);
E_1;
lcd_out = y;
_delay_cycles(1000);
E_0;
RS_0;
}
//初始化
void Lcd_Init()
{
_delay_cycles(15000);
WriteInstrustion(0x38);
_delay_c