void start_task(void *pdata)
{
OS_CPU_SR cpu_sr = 0;
pdata = pdata;
u8 err;
delay_init(168);
USART1_Init();//初始化
LED_Init();
BEEP_Init();
pringf("Hello world\n");
OS_ENTER_CRITICLE(); //进入临界区 无法被中断打断
//创建系统定时器
pTmrLed = OSTmrCreate( 0,//dly 计时前的延迟
OS_TMR_CFG_TICKS_PER_SEC/2,//周期 宏本身表示1s
OS_TMR_OPT_PERIODIC,//周期模式
(OS_TMR_CALLBACK)LedTmrCallback,
NULL,
NULL,
&err
);//定时器时间到了 自动调用回调函数
pTmrBeep = OSTmrCreate( 0,
OS_TMR_CFG_TICKS_PER_SEC/2,
OS_TMR_OPT_PERIODIC,
(OS_TMR_CALLBACK)BeepTmrCallback,
NULL,
NULL,
&err
);
//启动定时器
if( OSTmrStart(pTmrLED,&err) == OS_TRUE )
{
printf("LED TMR Start.\n");
}
else
printf("LED TMR Fail.\n");
if( OSTmrStart(pTmrBeep,&err) == OS_TRUE )
{
printf("BEEP TMR Start.\n");
}
else
printf("BEEP TMR Fail.\n");
OS_EXIT_CRITICLE(); //退出临界区 可以被中断打断
while(1)//一直延时 等待程序运行
OSTimeDlyHMSM(0,0,0,500);
}
#include <Stdio.h>
void main()
{
pringf("This is a nine file!")
}
#include <Stdio.h>
void main()
{
pringf("This is a bad file!")
}
