def RCtime (PiPin):
measurement = 0
# Discharge capacitor
GPIO.setup(PiPin, GPIO.OUT)
GPIO.output(PiPin, GPIO.LOW)
time.sleep(0.1)
GPIO.setup(PiPin, GPIO.IN)
# Count loops until voltage across
# capacitor reads high on GPIO
start = time.time()
while (GPIO.input(PiPin) == GPIO.LOW):
measurement += 1
end = time.time()
# print end - start
# return measurement
return str(end - start)
# Main program loop
python类OUT的实例源码
def ResetIOT_HW(cls, bMode):
"""Set Raspberry pi GPIO pins and reset RF Explorer device
Parameters:
bMode -- True if the baudrate is set to 500000bps, False to 2400bps
"""
try:
import RPi.GPIO as GPIO
#print("RPi info: " + str(GPIO.RPI_INFO)) #information about your RPi:
#print("RPi.GPio version: " + GPIO.VERSION) #version of RPi.GPIO:
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BOARD) #refer to the pin numbers on the P1 header of the Raspberry Pi board
GPIO.setup(12, GPIO.OUT) #set /reset (pin 12) to output
GPIO.output(12, False) #set /reset (pin 12) to LOW
GPIO.setup(21, GPIO.OUT) #set GPIO2 (pin 21) to output
GPIO.output(21, bMode) #set GPIO2 (pin 21) to HIGH (for 500Kbps)
time.sleep(0.1) #wait 100ms
GPIO.output(12, True) #set /reset to HIGH
time.sleep(2.5) #wait 2.5sec
GPIO.setup(21, GPIO.IN) #set GPIO2 to input
GPIO.cleanup() #clean up GPIO channels
except RuntimeError:
print("Error importing RPi.GPIO! This is probably because you need superuser privileges. You can achieve this by using 'sudo' to run your script")
def light_sense():
count = 0
#Output on the pin for
GPIO.setup(pin_to_circuit, GPIO.OUT)
GPIO.output(pin_to_circuit, GPIO.LOW)
time.sleep(0.1)
#Change the pin back to input
GPIO.setup(pin_to_circuit, GPIO.IN)
#Count until the pin goes high
while (GPIO.input(pin_to_circuit) == GPIO.LOW):
count += 1
if (count > 3000):
led5_on()
return count
else:
led5_off()
return count
def _setup_pin(self, pin):
self._logger.debug(u"_setup_pin(%s)" % (pin,))
if pin:
p = None
if self._pigpiod is None:
self._pigpiod = pigpio.pi()
if self._settings.get_boolean(['pigpiod']):
if not self._pigpiod.connected:
self._logger.error(u"Unable to communicate with PiGPIOd")
else:
p = PiGPIOpin(self._pigpiod, pin, self._logger)
else:
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BOARD)
GPIO.setup(pin, GPIO.OUT)
GPIO.output(pin, GPIO.HIGH)
p = GPIO.PWM(pin, 100)
p.start(100)
return p
def __init__(self, direction_channel, pwm=None, offset=True):
'''Init a motor on giving dir. channel and PWM channel.'''
if self._DEBUG:
print self._DEBUG_INFO, "Debug on"
self.direction_channel = direction_channel
self._pwm = pwm
self._offset = offset
self.forward_offset = self._offset
self.backward_offset = not self.forward_offset
self._speed = 0
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM)
if self._DEBUG:
print self._DEBUG_INFO, 'setup motor direction channel at', direction_channel
print self._DEBUG_INFO, 'setup motor pwm channel as', self._pwm.__name__
GPIO.setup(self.direction_channel, GPIO.OUT)
def note(frequency, duration=1.0):
"""Play a single note.
:param frequency: Musical frequency in hertz
:param duration: Optional duration in seconds, use None to sustain note
"""
global _timeout
if frequency <= 0:
raise ValueError("Frequency must be > 0")
if duration is not None and duration <= 0:
raise ValueError("Duration must be > 0")
clear_timeout()
pwm.ChangeFrequency(frequency)
GPIO.setup(BUZZER, GPIO.OUT)
if duration is not None and duration > 0:
_timeout = Timer(duration, stop)
_timeout.start()
def __init__(self, no, dir=IN):
self.gpio_no = no
print("GPIO ########## self.gpio_no, dir={}, {}".format(self.gpio_no, dir))
GPIO.setmode(GPIO.BCM)
#GPIO.setmode(GPIO.BOARD)
if dir==Pin.IN:
GPIO.setup(self.gpio_no, GPIO.IN)
print("GPIO >>>>>>>>>>>>>>>>>>>>>>>>>>> IN")
else:
GPIO.setup(self.gpio_no, GPIO.OUT)
print("GPIO <<<<<<<<<<<<<<<<<<<<<<<<<< OUT")
def setup_GPIO():
GPIO.setwarnings(False)
GPIO.setmode(GPIO.BOARD)
GPIO.setup(7, GPIO.OUT)
GPIO.setup(37, GPIO.OUT)
GPIO.setup(35, GPIO.IN)
def setup_GPIO():
GPIO.setmode(GPIO.BOARD)
GPIO.setup(7, GPIO.OUT)
GPIO.setup(37, GPIO.OUT)
def switchOnLight(PIN):
GPIO.setup(PIN, GPIO.OUT)
GPIO.output(PIN, True)
def switchOffLight(PIN):
GPIO.setup(PIN, GPIO.OUT)
GPIO.output(PIN, False)
def startup(self): # funciton that starts th GPIO board and pin required
GPIO.setmode(GPIO.BOARD)
GPIO.setup(self.channel, GPIO.OUT)
self.pwm = GPIO.PWM(self.channel, self.frequency)
self.pwm.start(self.frequency)
def __init__(self, name = ''):
self.importlib = GPIO
self.logger = com_logger.Logger(name)
# self.setwarnings(False)
self.IN = GPIO.IN if GPIO is not None else None
self.OUT = GPIO.OUT if GPIO is not None else None
self.LOW = GPIO.LOW if GPIO is not None else None
self.HIGH = GPIO.HIGH if GPIO is not None else None
self.PUD_UP = GPIO.PUD_UP if GPIO is not None else None
self.PUD_DOWN = GPIO.PUD_DOWN if GPIO is not None else None
self.RISING = GPIO.RISING if GPIO is not None else None
def reset_led(self):
GPIO.setmode(GPIO.BOARD)
GPIO.setwarnings(False)
for gpio in self.gpios:
gpio = int(gpio)
GPIO.setup(gpio, GPIO.OUT)
GPIO.output(gpio, GPIO.HIGH)
def __init__(self):
gpio.setmode(gpio.BOARD)
# set up and init
self.trigger = 11
self.echo = 13
gpio.setup(self.trigger, gpio.OUT)
gpio.setup(self.echo, gpio.IN)
self.pulse_start = 0.
self.pulse_end = 0.
self.speed_of_sound = 343 * 100
self.car_length = 1
def _GPIO_Power_Regist(pins):
GPIO.setmode(GPIO.BOARD)
GPIO.setwarnings(False)
GPIO.setup( pins , GPIO.OUT)
return
def _read_data(self):
self.data=[]
# reset
GPIO.setup( self.pin , GPIO.OUT)
GPIO.output( self.pin , GPIO.LOW)
time.sleep(0.03) # ????18ms
GPIO.setup( self.pin , GPIO.IN)
count=0
while GPIO.input( self.pin ) == GPIO.HIGH:
continue
while GPIO.input( self.pin ) == GPIO.LOW:
continue
# ????80us???????
while GPIO.input( self.pin ) == GPIO.HIGH:
count += 1
continue
base = count / 2
# Get data
while len(self.data)< DHT11_DATA_LEN*8:
i = 0
# ??50us?????
while GPIO.input( self.pin ) == GPIO.LOW:
continue
# ?????????26-28us??0?????70us??1
while GPIO.input( self.pin ) == GPIO.HIGH:
i += 1
if i > 100: #?????
break
if i < base:
self.data.append(0)
else:
self.data.append(1)
#print("DHT11 get data: ", self.data)
def detect(run_event):
isDetected = False
GPIO.setmode(GPIO.BOARD)
GPIO.setup(11, GPIO.IN) # Set GPIO 11 pin as input
GPIO.setup(12,GPIO.OUT)
GPIO.setup(16,GPIO.OUT)
while run_event.is_set():
i=GPIO.input(11)
if i==0: # if don't detect signal
#print "\033[95mNobody detected.\033[0m",i
GPIO.output(12,GPIO.HIGH)
GPIO.output(16,GPIO.LOW)
isDetected = False
time.sleep(0.1)
if i==1 and isDetected == False: # if detect signal
GPIO.output(16,GPIO.HIGH)
GPIO.output(12,GPIO.LOW)
print "\033[92mSomeone detected.\033[0m --> " + time.strftime("%H:%M:%S")
bot.send_message(admin, "Someone detected --> " + time.strftime("%H:%M:%S"))
for i in range(1, 6, 4):
print i
name=video(3*i, frameRate) #One video of 3 seconds and another of 15
if (name == "error"):
bot.send_message (admin, "The camera is busy now.")
else:
bot.send_document(admin, open(name, 'rb'))
#bot.send_document(admin, open('media/video/' + video(3), 'rb'))
#bot.send_document(admin, open('media/video/' + video(15), 'rb'))
print "ya"
isDetected = True
GPIO.cleanup()
def __init__(self, **kwargs):
self.pump_pin = kwargs["pump_pin"]
self.lights_pin = kwargs["lights_pin"]
self.pump_default_on = kwargs["pump_default_on"]
self.lights_default_on = kwargs["lights_default_on"]
GPIO.setmode(GPIO.BOARD)
GPIO.setup(self.pump_pin, GPIO.OUT)
GPIO.setup(self.lights_pin, GPIO.OUT)
def __init__(self, **kwargs):
self.pump_pin = kwargs["pump_pin"]
self.lights_pin = kwargs["lights_pin"]
self.pump_default_on = kwargs["pump_default_on"]
self.lights_default_on = kwargs["lights_default_on"]
print "GPIO.setmode(GPIO.BOARD)"
print "GPIO.setup({}, GPIO.OUT)".format(self.pump_pin)
print "GPIO.setup({}, GPIO.OUT)".format(self.lights_pin)
