msp430 ADC单通道 LCD液晶显示

#include "msp430f149.h"
#define uchar unsigned char
#define uint unsigned int
#define RSH P2OUT|=BIT0
#define RSL P2OUT&=~BIT0
#define RWL  P2OUT&=~BIT1
#define ENH P2OUT|=BIT2
#define ENL P2OUT&=~BIT2
#define PSB P2OUT|=BIT3 
#define Num_of_Results 8

unsigned int result;
uchar const code[]={"电压值："};

void delay(uint z)
{
uint x,y;
 for(x=z;x>0;x--)
  for(y=0;y<800;y++);
}



void writecmd(uchar cmd)
{
P1SEL=0;
P2SEL=0;
P1DIR=0XFF;
P2DIR|=BIT0+BIT1+BIT2;
RSL;