这是我写的lcd程序有问题求各位大哥们指导一下
#include"msp430g2553.h"#define E_SETP2OUT|=BIT2
#define E_CLRP2OUT^=BIT2
#define RS_SETP2OUT|=BIT1
#define RS_CLRP2OUT^=BIT1
#define RW_CLRP2OUT^=BIT0
#define P1 P1OUT
void delay(volatile unsigned int t)
{
while(t--);
}
void lcd_com(unsigned char com)
{
RS_CLR;
RW_CLR;
P1=com;
delay(1);
E_SET;
E_CLR;
}
void lcd_dat(unsigned char dat)
{
RS_SET;
RW_CLR;
P1=dat;
delay(1);
E_SET;
E_CLR;
}
void lcd_init(void)
{
lcd_com(0x38);
lcd_com(0x06);
lcd_com(0x0c);
lcd_com(0x01);
}
void xiezifu(unsigned char x,unsigned char y, char *str) //写入字符串
{
if(y==0)
lcd_com(0x80+x);
else
lcd_com(0x80+0x40+x);
while(*str!='\0')
{
lcd_dat(*str);
str++;
}
}
void main(void)
{
WDTCTL=WDTPW+WDTHOLD;
P2DIR|=0x07;
P1DIR|=0xff;
lcd_init();
while(1)
{
xiezifu(1,0,"123456");
xiezifu(1,1,"7890");
}
}
没有显示,求各位指导一下
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