main.c

来自「IAR 开发环境的Cirrus Logic的例程」· C语言 代码 · 共 27 行

/*
 * $Revision: 1.1 $
 */

#define PDDR (*(volatile unsigned char*)0x80000003)

void delay()
{
  // Delay approx 150 ms.
  volatile int count = 600000;
  
  while (--count) ;
}


main()
{
  // Toggle LED on and off forever.
  for (;;)
  {
    PDDR |= 1; // LED on
    delay();
    PDDR &= ~1; // LED off
    delay();
  }
}