4、_thread.stack_size(size) 设置创建新线程时所使用的栈大小 5、_thread.allocate_lock() 创建一个互斥锁对象 返回值:返回互斥锁对象 6、lock.acquire() 获取锁 返回值:成功返回 True ,失败返回 False 。 7、lock.release() 释放锁 8、lock.delete_locked() 删除锁 9、_thread.locked() 返回值:返回锁...
import _thread import time def my_thread(flag): while not flag.value: print("线程运行中...") time.sleep(1) print("线程已停止。") # 创建一个共享的标志变量 flag = _thread.allocate_lock() flag.acquire() # 初始状态为锁定,表示线程应该继续运行 # 启动线程 _thread.start_new_thread(my_thr...
lock = _thread.allocate_lock()semp = _thread.allocate_semephare()定义4个用户线程，分别是信号量...
def print_thread_id(): print("Current thread ID:", _thread.get_ident()) _thread.start_new_thread(print_thread_id, ()) 3. _thread.allocate_lock():创建一个互斥锁对象,初始状态为解锁。 import _thread lock = _thread.allocate_lock() lock.acquire() #获取锁 #执行一些操作... lock.release...
lock.release():释放锁 本文中所有的实例代码,都可以从以下地址获取: Pico(RP2040)上的MicroPython环境中多线程编程https://gitee.com/honestqiao/multithread_in_micropython_on_pico 基础多线程 首先,用一个简单的micropython程序,来控制板载的LED不同时间点亮和熄灭 ...
self.enable=Trueself.lock=_thread.allocate_lock()self.stop_lock=_thread.allocate_lock()self.lock.acquire()self.stop_lock.acquire()_thread.start_new_thread(self.__run,())def__run(self):"""# 请勿调用*线程运行函数"""whileTrue:self.lock.acquire()try:self.func(*self.args,**self.kwargs...
导入_thread led1 = machine.Pin(16, machine.Pin.OUT) led2 = machine.Pin(15, machine.Pin.OUT) sLock = _thread.allocate_lock() 定义核心任务(): 而真: sLock.acquire() print("进入第二个线程") utime.sleep(1) led2.high() print("Led 2 开启") ...
_thread– 多线程支持 MicroPython特定的库 framebuf— 帧缓冲区操作 帧缓冲区类 构造函数 FrameBuffer 绘制原始形状 FrameBuffer.fill() FrameBuffer.pixel() FrameBuffer.hline() FrameBuffer.vline() FrameBuffer.line() FrameBuffer.rect() FrameBuffer.fill_rect() 绘制文本 FrameBuffer.text() 其他类函数...
mp_sched_lock(); //7 屏蔽内存分配 gc_lock(); //8 执行MicroPython APIs回调,完成C底层到Python应用层回调 (痛点2) mp_call_function_1_protected(callback, MP_OBJ_FROM_PTR(arg)); //9 使能内存分配 gc_unlock(); //10 使能虚拟机线程调度 ...
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