驱动段式I/0液晶 不知道哪里错了

#include <msp430.h>

 #include"stdint.h"

uint8_t j=0;

//COM端口设置为 1-4对应6.0-6.3

uint8_t const P6DIR_COM[]={0X01,0X02,0X04,0X08,0X01,0X02,0X04,0X08};

uint8_t const P6REN_COM[]={0X0E,0X0D,0X0B,0X07,0X0E,0X0D,0X0B,0X07};

 uint8_t const P6OUT_COM[]={0X01,0X02,0X04,0X08,0X0E,0X0D,0X0B,0X07};

//SEG端口5-8对应I/O口3.0;3.1.2;3.2;3.4全灭状态

uint8_t const P2DIR_SEG1[]={0X00,0X00,0x00,0X00,0X00,0X00,0X00,0X00};

uint8_t const P2REN_SEG1[]={0X0F,0X0F,0X0F,0X0F,0X0F,0X0F,0X0F,0X0F};

uint8_t const P2OUT_SEG1[]={0X0F,0X0F,0X0F,0X0F,0X00,0X00,0X00,0X00};

//SEG端口5-8对应I/O口3.0;3.1.2;3.2;3.4在灭的基础下亮的状态

uint8_t const P2DIR_SEG_1[]={0X0f,0X00,0x00,0X00,0X0f,0X00,0X00,0X00};

uint8_t const P2REN_SEG_1[]={0X00,0X0F,0X0F,0X0F,0X00,0X0F,0X0F,0X0F};

uint8_t const P2OUT_SEG_1[]={0X0F,0X0F,0X0F,0X0F,0X00,0X00,0X00,0X00};

   void chushi()

{    uint8_t i;    for(i=0;i<8;i++)    {      

  P3DIR=P2DIR_SEG1[i];//seg端口灭的状态       

 P3REN=P2REN_SEG1[i];    

    P3OUT=P2OUT_SEG1[i];    } }

void lcd_shuju() {

    P3DIR=P2DIR_SEG_1[j];//seg端口亮的状态   

  P3REN=P2REN_SEG_1[j];   

  P3OUT=P2OUT_SEG_1[j];

}

int main(void) {    

WDTCTL = WDTPW | WDTHOLD; // Stop watchdog timer

    TA0CCR0=250;//设置计数为2.5ms    

 TA0CTL=TACLR;     TA0CTL=TASSEL_2+MC_1;  

     //+TACLR;//设置SMACK UPMODE   CLEAR TAR    

 TA0CCTL0=CCIE; //开定时器0使能中断

    __enable_interrupt();              //开总中断     

 lcd_com();chushi();    

 while(1);  

  // {

   // } }

 #pragma vector=TIMER0_A0_VECTOR

__interrupt void TIMER_A0(void)

 {   lcd_shuju();

   j++;  

 if(j==8) j=0;  

 TA0CCR0=250;//设置计数为2.5ms

}

灰小子：

用的哪个msp430？硬件是如何连接的？