lcd1602.c

MSP430_LCD1602_C_H_Test_Good.rar 使用MSP430单片机控制液晶模块LCD1602 自己编写的 测试好用

#include "LCD1602.h"

void delay(char i)
{
    for(;i>0;i--);
}

/*
void LCD_Busy()
{
    P4DIR = 0xff;
    LCDDAT = 0xff;
    LCD_RS_L;
    LCD_RW_H;
    LCD_EN_H;   
    P4DIR = 0x0;
    while(P4IN & 0x80);
    delay(15);
    P4DIR = 0xff;
}
*/

void LCD_WriteCom(char dis_com)
{
    P4DIR = 0xff;
    LCDDAT = dis_com;
    LCD_RS_L;
    LCD_RW_L;
    LCD_EN_L;
    LCD_EN_H;
}

void LCD_WriteDat(char dis_dat)
{
    P4DIR = 0xff;
    LCDDAT = dis_dat;
    LCD_RS_H;
    LCD_RW_L;
    LCD_EN_L;
    LCD_EN_H;
}

void LCD_SetAddr(char dis_addr_x,char dis_addr_y)
{
    if(dis_addr_y == 0) 
        LCD_WriteCom(0x80 + dis_addr_x);
    else 
      	LCD_WriteCom(0xc0 + dis_addr_x);
}

void LCD_WriteChar(char dis_addr_x,char dis_addr_y,char dis_char)
{
    LCD_SetAddr(dis_addr_x,dis_addr_y);
    LCD_WriteDat(dis_char);
}

void LCD_WriteStr(char dis_addr_x,char dis_addr_y,char* dis_str)
{
    LCD_SetAddr(dis_addr_x,dis_addr_y);  
    while (*dis_str) 
    {
        LCD_WriteDat(*dis_str);   
	dis_str++;
    }
}

void LCD_Init()
{
    P3DIR = BIT5 + BIT6 + BIT7;     //  LCD control bus

    LCD_WriteCom(0x01);
    LCD_WriteCom(0x38);             //  set function
    LCD_WriteCom(0x0f);
    LCD_WriteCom(0x06);
}