MSP430F5529: 通过I2C与贵公司的LMP91002通信总是卡在__interrupt void USCI_B0_ISR(void)中断里

Part Number: MSP430F5529
Other Parts Discussed in Thread: LMP91002

#pragma vector=USCI_B0_VECTOR
__interrupt void USCI_B0_ISR(void)
{
  switch(__even_in_range(UCB0IV,12))
  {
  case  0: break;                                                              // Vector  0: No interrupts
  case  2: break;                                                              // Vector  2: ALIFG
  case  4: break;                                                              // Vector  4: NACKIFG
  case  6: break;                                                              // Vector  6: STTIFG
  case  8: break;                                                              // Vector  8: STPIFG
  case 10:                                                                     // Vector 12: TXIFG  
    I2CBuffer = UCB0RXBUF;                                                     // store received data in    buffer
    __bic_SR_register_on_exit(LPM0_bits);                                      // Exit LPM0
    break;                                                                     // Vector 10: RXIFG
  case 12:                                  
    if (PtrTransmit >= 0)                                                      // Check Transmit pointer
    {
      UCB0TXBUF = I2CBufferArray[PtrTransmit];                                 // Load TX buffer
      PtrTransmit--;                                                           // Decrement TX byte counter
    }
    else
    {
      UCB0IFG &= ~UCTXIFG;                                                     // Clear USCI_B0 TX int flag
      __bic_SR_register_on_exit(LPM0_bits);                                    // Exit LPM0
    }  
    break;
  default: break;
  }  
}

I2C中已经加了上拉电阻，使用的官方的LMP91002的驱动库，不知是什么问题呢

我的源代码工程已经添加在附件，希望能得到工程师的解答！

MSP430_Project.zip