CCS中MSP430F5529驅(qū)動(dòng)LCD1602源程序

ID:426770 · 發(fā)表于 2021-4-21 20:00

#include <msp430.h>
#include <string.h>
#include <LCD1602.h>
#define CPU_F ((double)8000000)
#define delay_us(x) __delay_cycles((long)(CPU_F*(double)x/1000000.0))
#define delay_ms(x) __delay_cycles((long)(CPU_F*(double)x/1000.0))
#define DataDir P3DIR
#define DataPort P3OUT
#define Busy 0x80
#define CtrlDir P1DIR
#define CLR_RS P1OUT&=~BIT3; //RS = P1.3
#define SET_RS P1OUT|=BIT3;
#define CLR_RW P1OUT&=~BIT4; //RW = P1.4
#define SET_RW P1OUT|=BIT4;
#define CLR_EN P1OUT&=~BIT5; //EN = P1.5
#define SET_EN P1OUT|=BIT5;
void Disp1Char(unsigned char data)
{
LCD1602_WriteDATA(data);
}
void DispStr(unsigned char *ptr)
{
unsigned char i,n;
n=strlen(ptr);
for (i=0;i<n;i++)
{
Disp1Char(ptr[i]);
}
}
void LCD1602_WriteCMD(unsigned char cmd)
{
CLR_EN;
CLR_RS; //指令
CLR_RW; //寫
DataPort=cmd; //指令數(shù)據(jù)傳到P0口待發(fā)送給LCD1602
delay_ms(1);
SET_EN; //LCD1602使能口
delay_ms(10);
CLR_EN; //產(chǎn)生下降沿
delay_ms(10);
}
void LCD1602_WriteDATA(unsigned char Data)
{
DataPort=Data;
SET_RS;
CLR_RW;
SET_EN;
CLR_EN;
delay_ms(10);
}
void LCD1602_Initi()
{
CtrlDir |= 0x38; //控制線端口設(shè)為輸出狀態(tài)
DataDir = 0xff;
LCD1602_WriteCMD(0x38); // 置功能，8位總線，雙行顯示，顯示5X7的點(diǎn)陣字符
LCD1602_WriteCMD(0x0f); // 顯示開關(guān)控制,開顯示, 有光標(biāo),閃爍
LCD1602_WriteCMD(0x06); // 光標(biāo)和顯示位置設(shè)置, 光標(biāo)移動(dòng)方向右移,屏幕上所有文字不動(dòng)
LCD1602_WriteCMD(0x01); // 清顯示，指令碼01H，光標(biāo)復(fù)位到地址00H位置
delay_ms(10);
}

復(fù)制代碼

/*
* LCD1602.h
*
* Created on: 2018年6月3日
* Author: Sunnl
*/
#ifndef LCD1602_H_
#define LCD1602_H_
#include <msp430.h>
void Disp1Char(unsigned char data);
void DispStr(unsigned char *ptr);
void LCD1602_WriteCMD(unsigned char cmd);
void LCD1602_WriteDATA(unsigned char Data);
void LCD1602_Initi();
#endif
/* LCD1602_H_ */
#include <msp430.h>
#include "LCD1602.h"
unsigned char s[]="LCD1602Test";
int main(void)
{
WDTCTL = WDTPW | WDTHOLD;
LCD1602_Initi();
LCD1602_WriteCMD(0x80);
DispStr(s);
return 0;
}

復(fù)制代碼

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