TI LaunchPad开发板问题求教

只看该作者 · 2012-7-26 07:26

本帖最后由 yuzhexian 于 2012-7-26 07:30 编辑

运气不错，拿到了TI LaunchPad开发板，可编程时提示main() at main.c:35 0xC000 和c_int00_noexit() 0xC122  (the entry point was reached)
求好心人指教问题在哪，我用的是ti实用程序，是把开发板插在usb口编程的，板上跳线没有动，都是接上的，编程时不知道要不要改变，程序如下：
//******************************************************************************
// MSP430G2xx3 Demo - USCI_A0, Ultra-Low Pwr UART 9600 RX/TX, 32kHz ACLK
//
// Description: This program demonstrates a full-duplex 9600-baud UART using
// USCI_A0 and a 32kHz crystal.  The program will wait in LPM3, and receive
// a string1 into RAM, and echo back the complete string.
// ACLK = BRCLK = LFXT1 = 32768Hz, MCLK = SMCLK = DCO ~1.2MHz
// Baud rate divider with 32768Hz XTAL @9600 = 32768Hz/9600 = 3.41
//* An external watch crystal is required on XIN XOUT for ACLK *//
//
//             MSP430G2xx3
//          -----------------
//       /|\|             XIN|-
//       | |                | 32kHz
//       --|RST       XOUT|-
//          |                |
//          |    P1.2/UCA0TXD|------------>
//          |                | 9600 - 8N1
//          |    P1.1/UCA0RXD|<------------
//
//
// D. Dang
// Texas Instruments Inc.
// February 2011
// Built with CCS Version 4.2.0 and IAR Embedded Workbench Version: 5.10
//******************************************************************************
#include  "msp430g2553.h"
char string1[8];
char i;
char j = 0;
void main(void)
{
  WDTCTL = WDTPW + WDTHOLD;                // Stop WDT
  P1DIR = 0xFF;                            // All P1.x outputs
  P1OUT = 0;                               // All P1.x reset
  P2DIR = 0xFF;                            // All P2.x outputs
  P2OUT = 0;                               // All P2.x reset
  P1SEL = BIT1 + BIT2 ;                   // P1.1 = RXD, P1.2=TXD
  P1SEL2 = BIT1 + BIT2 ;                   // P1.1 = RXD, P1.2=TXD
  P3DIR = 0xFF;                            // All P3.x outputs
  P3OUT = 0;                               // All P3.x reset
  UCA0CTL1 |= UCSSEL_1;                   // CLK = ACLK
  UCA0BR0 = 0x03;                         // 32kHz/9600 = 3.41
  UCA0BR1 = 0x00;                         //
  UCA0MCTL = UCBRS1 + UCBRS0;             // Modulation UCBRSx = 3
  UCA0CTL1 &= ~UCSWRST;                   // **Initialize USCI state machine**
  IE2 |= UCA0RXIE;                         // Enable USCI_A0 RX interrupt
  __bis_SR_register(LPM3_bits + GIE);    // Enter LPM3, interrupts enabled
}
// USCI A0/B0 Transmit ISR
#pragma vector=USCIAB0TX_VECTOR
__interrupt void USCI0TX_ISR(void)
{
  UCA0TXBUF = string1[i++];                // TX next character
  if (i == sizeof string1)                // TX over?
IE2 &= ~UCA0TXIE;                      // Disable USCI_A0 TX interrupt
}
// USCI A0/B0 Receive ISR
#pragma vector=USCIAB0RX_VECTOR
__interrupt void USCI0RX_ISR(void)
{
  string1[j++] = UCA0RXBUF;
  if (j > sizeof string1 - 1)
  {
i = 0;
j = 0;
IE2 |= UCA0TXIE;                      // Enable USCI_A0 TX interrupt
UCA0TXBUF = string1[i++];
  }
}