msp430x54x_1.c

MSP430F5系列TI官方源码

//******************************************************************************
//   MSP430x54x Demo - Software Toggle P1.0
//
//   Description: Toggle P1.0 by xor'ing P1.0 inside of a software loop.
//   ACLK = 32.768kHz, MCLK = SMCLK = default DCO
//
//                 MSP430x5438
//             -----------------
//         /|\|                 |
//          | |                 |
//          --|RST              |
//            |                 |
//            |             P1.0|-->LED
//
//   M Smertneck
//   Texas Instruments Inc.
//   February 2008
//   Built with CCEv3.2 IAR Embedded Workbench Version: 3.41A
//******************************************************************************
#include  "msp430x54x.h"

void main(void)
{
  volatile unsigned int i;

  WDTCTL = WDTPW+WDTHOLD;                   // Stop WDT
  P1DIR |= BIT0;                            // P1.0 output

  while(1)
  {
    P1OUT ^= BIT0;
    for(i=50000;i>0;i--);                   // Delay
  }
}