LOOK菜鸟sem应用例程

#ifndef __LOOK_SEM_H

#define __LOOK_SEM_H



#include "look_config.h"

#include <look.h>

#include <instantiate>



// 任务类 task_LOOK_SEM1_t 的定义

class task_LOOK_SEM1_t : public task_t {

public:

task_LOOK_SEM1_t() __OPT_ATTR__; // 构造函数



protected:

void routine(); // 任务例程

};



// 任务类 LOOK_SEM1 的构造函数

__OPT_INLINE__ task_LOOK_SEM1_t::task_LOOK_SEM1_t()

{

// TODO: 在此初始化 task_LOOK_SEM_t 的类成员

}



extern instantiate::task<task_LOOK_SEM1_t, LOOK_STACK_SIZE> task_LOOK1_SEM;



// 任务类 task_LOOK_SEM2_t 的定义

class task_LOOK_SEM2_t : public task_t {

public:

task_LOOK_SEM2_t() __OPT_ATTR__; // 构造函数



protected:

void routine(); // 任务例程

};



// 任务类 LOOK_SEM2 的构造函数

__OPT_INLINE__ task_LOOK_SEM2_t::task_LOOK_SEM2_t()

{

// TODO: 在此初始化 task_LOOK_SEM_t 的类成员

}



extern instantiate::task<task_LOOK_SEM2_t, LOOK_STACK_SIZE> task_LOOK2_SEM;



#endif // __LOOK_SEM_H

#include "LOOK_SEM.h"

#include "NUC1xx.h"

#include "NUC1xxM051Seriescfg.h"



sem_t sem = 1; // 信号灯共享



// 任务类 task_LOOK_SEM1_t 的例程

void task_LOOK_SEM1_t::routine()

{

// TODO: 在此编写 task_LOOK_SEM1_t 例程的内容

while (true) {

// TODO: 在此编写 task_LOOK_SEM1_t 例程的内容

if (sem.wait())//获取信号量，锁住以下共享设备

{

delay(LOOK_TICKS_PER_SEC / 10); 

uint32_t data = ~0b100;

GPIOAs.DMASK.Regs = ~0b111100;

for (uint32_t i = 0; i < 18; i ++){

data &= 0b111100;

GPIOAs.DOUT.Regs = data;

data <<= 1;

data += data >> 4;

delay(LOOK_TICKS_PER_SEC / 10);

}

GPIOAs.DOUT.Regs = 0b111100;

sem.post();//释放信号量

}

}

}



// 任务类 task_LOOK_SEM2_t 的例程

void task_LOOK_SEM2_t::routine()

{

// TODO: 在此编写 task_LOOK_SEM2_t 例程的内容

while (true) {

// TODO: 在此编写 task_LOOK_SEM2_t 例程的内容

if (sem.wait())//获取信号量，锁住以下共享设备

{

delay(LOOK_TICKS_PER_SEC / 10); 

uint32_t data = ~0b100000;

GPIOAs.DMASK.Regs = ~0b111100;

for (uint32_t i = 0; i < 18; i ++){

data &= 0b111100;

GPIOAs.DOUT.Regs = data;

data >>= 1;

data += data << 4;

delay(LOOK_TICKS_PER_SEC / 10);

}

GPIOAs.DOUT.Regs = 0b111100;

sem.post();//释放信号量

}

}

}



#ifdef LOOK_SCHEDULING_PRIORITY

instantiate::task<task_LOOK_SEM1_t, LOOK_STACK_SIZE> task_LOOK_SEM1(0);

instantiate::task<task_LOOK_SEM2_t, LOOK_STACK_SIZE> task_LOOK_SEM2(0);

#else

instantiate::task<task_LOOK_SEM1_t, LOOK_STACK_SIZE> task_LOOK_SEM1;

instantiate::task<task_LOOK_SEM2_t, LOOK_STACK_SIZE> task_LOOK_SEM2;

#endif