[参考译文] MSP430FR5969：关于在闪烁 LED 示例中使用 Volatile 的问题

#include <msp430.h>

void main(void)
{
    WDTCTL = WDTPW | WDTHOLD;               // Stop watchdog timer
    PM5CTL0 &= ~LOCKLPM5;                   // Disable the GPIO power-on default high-impedance mode to activate previously configured port settings
    P1DIR |= 0x01;                          // Set P1.0 to output direction

    volatile unsigned int i;                // volatile to prevent optimization
    //unsigned int i;

    for (;;)
    {
        P1OUT ^= 0x01;                      // Toggle P1.0 using exclusive-OR
        i = 10000;                          // SW Delay

        while (i != 0)
        {
            i--;
        }
    }
}