msp430 1602显示

2019-03-24 12:33发布

#include "msp430g2553.h"

void delay(int i)
{

unsigned int a,b;
for(a=i;a>0;a--)
for(b=1111;b>0;b--);

}
void busy()
{
unsigned char BF;
P2OUT |=BIT1;
P2OUT &=~BIT2;
P2OUT &=~BIT0;

BF=(P1IN&BIT7);
P2OUT |=BIT0;
delay(5);
P2OUT &=~BIT0;
if(BF==1)
{
delay(100);

}
delay(100);
}

void write_com (unsigned char com)
{

P2OUT &=~BIT1;
P2OUT &= ~BIT2;

P2OUT &=~BIT0;
P1OUT =com;
delay(100);
P2OUT |=BIT0;

P2OUT &=~BIT0;

}
void write_date(unsigned char date)
{

P2OUT &=~BIT1;
P2OUT |=BIT2;

P2OUT &=~BIT0;
P1OUT =date;

delay(100);
P2OUT |=BIT0;

P2OUT &=~BIT0;

}
void inti()
{

write_com(0x38);

write_com(0x0c);

write_com(0x06);

write_com(0x01);

write_com(0x80);
delay(5);
}

void main(void)
{

P1DIR |=0xff;
P2DIR |=0xff;
P1SEL =0;
P2SEL =0;

inti();

busy();
write_date(0x41);
busy();
write_com(0xc0);
busy();
write_date(0x42);

while(1);

}

求大神指教显示一直闪烁

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