单片机MSP430G2553--按键中断控制LED亮灭状态切换.txt

#include <msp430g2553.h>


#define OSC 1000000

#define u8  unsigned short
#define u16 unsigned int

#define KEY BIT6
#define LED BIT5

//key p1.6       led p2.5
/**
 * main.c
 */
void gpio_init(void);
void delay_ms(u16 time);

u8 status;
u8 key_flag;

void main(void)
{
    WDTCTL = WDTPW | WDTHOLD;   // stop watchdog timer

    gpio_init();

    status = 0;
    key_flag = 0;