Python Timer.PERIODIC属性代码示例

# 需要导入模块: from machine import Timer [as 别名]
# 或者: from machine.Timer import PERIODIC [as 别名]
def wdt(secs=0):
    timer = Timer(-1)
    timer.init(period=1000, mode=Timer.PERIODIC, callback=lambda t:wdt_feed())
    cnt = secs
    run = False  # Disable until 1st feed
    def inner(feed=WDT_CB):
        nonlocal cnt, run, timer
        if feed > 0:  # Call with variable timeout
            cnt = feed
            run = True
        elif feed == 0:  # Fixed timeout
            cnt = secs
            run = True
        elif feed < 0:  # WDT control/callback
            if feed == WDT_SUSPEND:
                run = False  # Temporary suspension
            elif feed == WDT_CANCEL:
                timer.deinit()  # Permanent cancellation
            elif feed == WDT_CB and run:  # Timer callback and is running.
                cnt -= 1
                if cnt <= 0:
                    reset()
    return inner 

# 需要导入模块: from machine import Timer [as 别名]
# 或者: from machine.Timer import PERIODIC [as 别名]
def __init__(self, gpio_id, is_debug=False):
        self.BV_SAMPLE_PERIOD = 100 # 采样周期(次数)为2000次
        self.OVER_DISCHARGE_VOLTAGE = 6.4 # 过放电压参考值
        self.pin = Pin(gpio_id, Pin.IN) # 电压采样引脚
        self.adc = ADC(self.pin) # 创建引脚对应的ADC对象
        self.init_adc() # 初始化ADC
        
        self.bv_sample_cnt = 0 # 统计次数
        self.bv_sample_sum = 0 # 采样电压总和
        self.battery_voltage = 0 # 电池电压 
        # 初始化电池电压
        self.init_battery_voltage()
        # 创建一个定时器
        # self.timer = Timer(timer_id) 
        # 每隔1ms执行一次
        # self.timer.init(period=1, mode=Timer.PERIODIC, callback=self.callback)
        # 电池是否过放
        self.is_over_discharge = False # 电池是否过放
        # 是否开启调试模式
        self.is_debug = is_debug 

# 需要导入模块: from machine import Timer [as 别名]
# 或者: from machine.Timer import PERIODIC [as 别名]
def __init__(self, uart, rx_pin, rx_irq=None, frame_irq=None, CHR_TMO=3, FRAME_TMO=100):
        self._rxpin = rx_pin
        self._rxirq = rx_irq
        self._frameirq = frame_irq
        self._CHR_TMO = CHR_TMO
        self._FRAME_TMO = FRAME_TMO
        self._rxpin.init(Pin.IN)
        self._rxpin.irq(trigger = Pin.IRQ_FALLING, handler = self._RXPIN_IRQ)
        self._TMRX = Timer(-1)
        self._TMRX_sta = 0
        self._mode = Timer.ONE_SHOT if sys.platform == 'pyboard' else Timer.PERIODIC
        self.uart = uart 

# 需要导入模块: from machine import Timer [as 别名]
# 或者: from machine.Timer import PERIODIC [as 别名]
def led_blink_timed(timer, led_pin, freq=10):
    '''
    led 按照特定的频率进行闪烁
    LED闪烁周期 = 1000ms / 频率
    状态变换间隔（period） = LED闪烁周期/ 2 
    '''
    # 计算状态变换间隔时间 ms
    period = int(0.5 * 1000 / freq)
    # 初始化定时器
    timer.init(period=period, mode=Timer.PERIODIC, callback=lambda t:led_toggle(led_pin))


# 声明引脚 D12 作为LED的引脚 

# 需要导入模块: from machine import Timer [as 别名]
# 或者: from machine.Timer import PERIODIC [as 别名]
def led_blink_timed(timer, led_pin, freq=10):
    '''
    led 按照特定的频率进行闪烁
    LED闪烁周期 = 1000ms / 频率
    状态变换间隔（period） = LED闪烁周期/ 2 
    '''
    # 计算状态变换间隔时间 ms
    period = int(0.5 * 1000 / freq)
    # 初始化定时器
    timer.init(period=period, mode=Timer.PERIODIC, callback=lambda t:led_toggle(led_pin))


# 声明引脚 D32 作为LED的引脚 

# 需要导入模块: from machine import Timer [as 别名]
# 或者: from machine.Timer import PERIODIC [as 别名]
def get_flash_button_events(self, on_single_click, on_double_click):
        from machine import Timer

        Board.button_click_counter['flash'] = 0

        pin = self.get_pin_by_key("BTN_FLASH")

        tim = Timer(0)
        tim.init(period=200, mode=Timer.PERIODIC, callback=lambda t: Board.get_onboard_button_events(self, pin, 'flash', on_single_click, on_double_click))

    # @timed_function 

# 需要导入模块: from machine import Timer [as 别名]
# 或者: from machine.Timer import PERIODIC [as 别名]
def get_user_button_events(self, on_single_click, on_double_click):
        from machine import Timer

        Board.button_click_counter['user'] = 0

        pin = self.get_pin_by_key("BTN_USER")

        tim = Timer(0)
        tim.init(period=200, mode=Timer.PERIODIC, callback=lambda t: Board.get_onboard_button_events(self, pin, 'user', on_single_click, on_double_click))

    # @timed_function 

# 需要导入模块: from machine import Timer [as 别名]
# 或者: from machine.Timer import PERIODIC [as 别名]
def start_memory_manager(self, period=5000):
        from machine import Timer

        tim = Timer(0)
        tim.init(period=period, mode=Timer.PERIODIC, callback=lambda t: self.mem_cleanup())