MSP430 PWM 2 Lights

#include "msp430.h"

#define INC 5

#define ONMIN 0
#define ONMAX 1000

#define OFFMIN 0
#define OFFMAX 1000

int main(void)
{
  WDTCTL = WDTPW + WDTHOLD;
  P1DIR = 0x07;
  P1DIR |= 0x01;

  unsigned int onpwm = ONMIN;
  unsigned int offpwm = OFFMAX;
  unsigned int run = 0;
  char UP = 1;

  for (;;)
  {
    if (onpwm <= ONMIN) UP = 1;
    if (onpwm >= ONMAX) UP = 0;

    if (UP == 1)
      {
        onpwm = onpwm + INC;
        offpwm = offpwm - INC;
      }
    if (UP == 0)
      {
        onpwm = onpwm - INC;
        offpwm = offpwm + INC;
      }

    P1OUT = 0x03;
    pause(onpwm);

    P1OUT = 0x05;
    pause(offpwm);

    run++;
  }
}

int pause(unsigned int x)
{
  for (; x!=0 ; x--);
  return 1;
}