unetrepl.py 文件源码

def acquire_out_buffer(self):
        while self.out_buffer_lock == True:
            time.sleep_ms(1) # Wait for release
        self.irqstate=machine.disable_irq()
        if self.out_buffer_lock == True: # TODO: check if this locking is enough
            machine.enable_irq(self.irqstate)
            return False
        self.out_buffer_lock=True
        return True