根据菜农大叔的LOOK_COND改的半主机调试例子

#include "COND.h"

#define LOOK_H 1

#define LOOK_SEMIHOST 1

#if LOOK_H == 0

#include "NUC1xx.h"

#include "NUC1xxM051Seriescfg.h"

#else

#define __HAVE_GPIO

#include <nuc120re3an.h>

using namespace nuvoton;

#endif

#ifdef LOOK_SEMIHOST

#include <ostream>

#include <semihosting>

using namespace redapricot;

ostream_t<semihosting::console_t, 128> cout;

#endif

int sum = 0;

flag_t flag(0);

mutex_t mutex;

cond_t cond;

class Keyboard_t : public interrupt_t {

public:

__INLINE__ Keyboard_t();

protected:

bool isr(int vector);

void dsr(int vector, uintptr_t count);

};

// Keyboard_t 构造函数

__INLINE__ Keyboard_t::Keyboard_t()

{

#ifdef LOOK_SEMIHOST

cout << "Keyboard_t构造函数开始" << endl;

#endif

attach(EINT0_IRQn);

attach(EINT1_IRQn);

#if LOOK_H == 0

GPIOBs.IEN.Regs = (1 << Pin15) | (1 << Pin14);   // 开启中断

#else

GPIOB.IEN(0)

      .IF_EN15(1)

   .IF_EN14(1); // 开启中断

#endif

vector_t::enable(EINT0_IRQn);

vector_t::enable(EINT1_IRQn);

#ifdef LOOK_SEMIHOST

cout << "Keyboard_t构造函数结束" << endl;

#endif

}

// Keyboard_t 中断服务例程

bool Keyboard_t::isr(int vector)

{

#if LOOK_H == 0

GPIOBs.ISRC.Regs = GPIOBs.ISRC.Regs;   // 清中断 flag

#else

//注意：下句被优化了

// GPIOB.ISRC = GPIOB.ISRC;   // 清中断 flag

//注意：下句不能被优化，特别注意()是建立缓存

GPIOB.ISRC = GPIOB.ISRC();   // 清中断 flag

#endif

#ifdef LOOK_SEMIHOST

cout << "中断Keyboard_t清除中断标志" << endl;

#endif

return true;

}

// Keyboard_t 中断滞后服务例程

void Keyboard_t::dsr(int vector, uintptr_t count)

{

if (vector == EINT0_IRQn)//Key2

{

  flag.do_set_bits(0b110);

#ifdef LOOK_SEMIHOST

cout << "中断Keyboard_t按下Key2键" << endl;

#endif

}

else if (vector == EINT1_IRQn)//Key1

{

  flag.do_set_bits(0b101);

#ifdef LOOK_SEMIHOST

cout << "中断Keyboard_t按下Key1键" << endl;

#endif

}

}

Keyboard_t Key;         // 创建Key对象

// 任务类 task_COND1_t 的例程

void task_COND1_t::routine()

{

// TODO: 在此编写 task_COND1_t 例程的内容

#ifdef LOOK_SEMIHOST

cout << "任务task_COND1_t开始：" << endl;

#endif

while (true) {

  // TODO: 在此编写 task_COND1_t 例程的内容

  int 标志寄存器 = flag.wait(0b001, flag_t::ANY_CONSUME);

  if (标志寄存器)

  {

#ifdef LOOK_SEMIHOST

cout << "任务task_COND1_t 标志寄存器=" << 标志寄存器 << endl;

#endif

   mutex.lock();

#ifdef LOOK_SEMIHOST

cout << "任务task_COND1_t mutex.lock()" << endl;

#endif

   sum++;

   if (sum < 2) {mutex.unlock();

#ifdef LOOK_SEMIHOST

cout << "任务task_COND1_t mutex.unlock()" << endl;

#endif

   }

   else{

    mutex.unlock();

    cond.signal();

#ifdef LOOK_SEMIHOST

cout << "任务task_COND1_t cond.signal()" << endl;

cout << "任务task_COND1_t mutex.unlock()" << endl;

#endif

   }

  }

}

}

// 任务类 task_COND2_t 的例程

void task_COND2_t::routine()

{

// TODO: 在此编写 task_COND2_t 例程的内容

while (true) {

  // TODO: 在此编写 task_COND2_t 例程的内容

#ifdef LOOK_SEMIHOST

cout << "任务task_COND2_t开始：" << endl;

#endif

  int 标志寄存器 = flag.wait(0b010, flag_t::ANY_CONSUME);

  if (标志寄存器)

  {

#ifdef LOOK_SEMIHOST

cout << "任务task_COND2_t 标志寄存器=" << 标志寄存器 << endl;

#endif

   mutex.lock();

#ifdef LOOK_SEMIHOST

cout << "任务task_COND2_t mutex.lock()" << endl;

#endif

   sum++;

   if (sum < 2) {mutex.unlock();

#ifdef LOOK_SEMIHOST

cout << "任务task_COND2_t mutex.unlock()" << endl;

#endif      

   }

   else{

    mutex.unlock();

    cond.signal();

#ifdef LOOK_SEMIHOST

cout << "任务task_COND2_t cond.signal()" << endl;

cout << "任务task_COND2_t mutex.unlock()" << endl;

#endif

   }

  }

}

}

// 任务类 task_COND3_t 的例程

void task_COND3_t::routine()

{

// TODO: 在此编写 task_COND3_t 例程的内容

static int count = 1;

#ifdef LOOK_SEMIHOST

cout << "任务task_COND3_t开始：" << endl;

#endif

while (true) {

  // TODO: 在此编写 task_COND3_t 例程的内容

  mutex.lock();

#ifdef LOOK_SEMIHOST

cout << "任务task_COND3_t mutex.lock()" << endl;

#endif

  while (sum < 2){

   cond.wait(mutex);

#ifdef LOOK_SEMIHOST

cout << "任务task_COND3_t 收到cond.signal()" << endl;

#endif

   mutex.unlock();

   sum = 0;

   break;

  }

#if LOOK_H == 0

       GPIOAs.DMASK.Regs = ~0b111100;

      GPIOAs.DOUT.Regs = (count << 2) ^ 0b111100;

#else

   GPIOA.DMASK(-1)

        .DMASK5(0)

     .DMASK4(0)

     .DMASK3(0)

     .DMASK2(0);

   GPIOA.DOUT = (count << 2) ^ 0b111100;

#endif

  if (++count >= 16) count = 1;

#ifdef LOOK_SEMIHOST

cout << "任务task_COND3_t 相应LED亮灭" << endl;

#endif

}

}

// 任务类 task_BEEP_t 的例程

void task_BEEP_t::routine()

{

// TODO: 在此编写 task_BEEP_t 例程的内容

#ifdef LOOK_SEMIHOST

cout << "任务task_BEEP_t开始：" << endl;

#endif

while (true) {

  // TODO: 在此编写 task_BEEP_t 例程的内容

  int 标志寄存器 = flag.wait(0b100, flag_t::ANY_CONSUME);

  if (标志寄存器)

  {

#ifdef LOOK_SEMIHOST

cout << "任务task_BEEP_t 标志寄存器=" << 标志寄存器 << endl;

#endif   

   for (uint32_t i = 0; i < 6; i ++){//蜂鸣器响三次

#if LOOK_H == 0

      GPIOBs.DOUT.Bits.Pin10 ^= 1;//蜂鸣器响PB10=1，不响PB10=0

#else

      GPIOB.DOUT().DOUT10 ^= 1;

#endif

           delay(LOOK_TICKS_PER_SEC / 20);//断续间隔

   }

#if LOOK_H == 0

   GPIOBs.DOUT.Bits.Pin10 = 0;

#else

   GPIOB.DOUT().DOUT10(0);

#endif

#ifdef LOOK_SEMIHOST

cout << "任务task_BEEP_t关闭蜂鸣器" << endl;

#endif

  }

}

}

#ifdef LOOK_SCHEDULING_PRIORITY

instantiate::task<task_COND1_t, LOOK_STACK_SIZE> task_COND1(0);

instantiate::task<task_COND2_t, LOOK_STACK_SIZE> task_COND2(0);

instantiate::task<task_COND3_t, LOOK_STACK_SIZE> task_COND3(0);

instantiate::task<task_BEEP_t, LOOK_STACK_SIZE> task_BEEP(0);

#else

instantiate::task<task_COND1_t, LOOK_STACK_SIZE> task_COND1;

instantiate::task<task_COND2_t, LOOK_STACK_SIZE> task_COND2;

instantiate::task<task_COND3_t, LOOK_STACK_SIZE> task_COND3;

instantiate::task<task_BEEP_t, LOOK_STACK_SIZE> task_BEEP;

#endif

工程暂不传啦，大家自己先照着改试下