本文整理汇总了Python中pyb.Pin类的典型用法代码示例。如果您正苦于以下问题：Python Pin类的具体用法？Python Pin怎么用？Python Pin使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Pin类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
def __init__(self):
# set up motor with PWM and timer control
self.A1 = Pin('X3',Pin.OUT_PP) # A is right motor
self.A2 = Pin('X4',Pin.OUT_PP)
self.B1 = Pin('X7',Pin.OUT_PP) # B is left motor
self.B2 = Pin('X8',Pin.OUT_PP)
self.PWMA = Pin('X1')
self.PWMB = Pin('X2')
self.speed = 0 # +100 full speed forward, -100 full speed back
self.turn = 0 # turn is +/-100; 0 = left/right same speed,
# ... +50 = left at speed, right stop, +100 = right back full
# Configure counter 2 to produce 1kHz clock signal
self.tim = Timer(2, freq = 1000)
# Configure timer to provide PWM signal
self.motorA = self.tim.channel(1, Timer.PWM, pin = self.PWMA)
self.motorB = self.tim.channel(2, Timer.PWM, pin = self.PWMB)
self.lsf = 0 # left motor speed factor +/- 1
self.rsf = 0 # right motor speed factor +/- 1
self.countA = 0 # speed pulse count for motorA
self.countB = 0 # speed pulse count for motorB
self.speedA = 0 # actual speed of motorA
self.speedB = 0 # actual speed of motorB
# Create external interrupts for motorA and motorB Hall Effect Senors
self.motorA_int = pyb.ExtInt ('Y4', pyb.ExtInt.IRQ_RISING, pyb.Pin.PULL_NONE,self.isr_motorA)
self.motorB_int = pyb.ExtInt ('Y6', pyb.ExtInt.IRQ_RISING, pyb.Pin.PULL_NONE,self.isr_motorB)
self.speed_timer = pyb.Timer(8, freq=10)
self.speed_timer.callback(self.isr_speed_timer)示例2: __init__
class TrackBall:
def __init__(self,qq):
self.volEnQueueable = EnQueueable((EnQueueable.INC,EnQueueable.VOL),qq)
self.toneEnQueueable = EnQueueable((EnQueueable.INC,EnQueueable.TONE),qq)
self.targCoilID = 0;
self.x1=Pin(State.trackballStateDict['x1'], Pin.IN, Pin.PULL_DOWN)
self.x2=Pin(State.trackballStateDict['x2'], Pin.IN, Pin.PULL_DOWN)
self.y1=Pin(State.trackballStateDict['y1'], Pin.IN, Pin.PULL_DOWN)
self.y2=Pin(State.trackballStateDict['y2'], Pin.IN, Pin.PULL_DOWN)
self.extInts = (ExtInt(State.trackballStateDict['x1'],
ExtInt.IRQ_RISING,
Pin.PULL_DOWN,
self.x11),
ExtInt(State.trackballStateDict['y1'],
ExtInt.IRQ_RISING,
Pin.PULL_DOWN,
self.y11))
def x11(self,unused):
if self.x2.value():
self.volEnQueueable.push(self.targCoilID,-1)
else:
self.volEnQueueable.push(self.targCoilID,1)
def y11(self,unused):
if self.y2.value():
self.toneEnQueueable.push(self.targCoilID,-1)
else:
self.toneEnQueueable.push(self.targCoilID,1)示例3: start
def start(self, speed, direction):
PWM_py_pin = Pin(self.PWMpin)
DIR_py_pin = Pin(self.DIRpin, Pin.OUT_PP)
tim = Timer(self.timer_id, freq=1000)
ch = tim.channel(self.channel_id, Timer.PWM, pin=PWM_py_pin)
if direction in ('cw', 'CW', 'clockwise'):
DIR_py_pin.high()
elif direction in ('ccw', 'CCW', 'counterclockwise'):
DIR_py_pin.low()
else:
raise ValueError('Please enter CW or CCW')
if 0 <= speed <= 100:
ch.pulse_width_percent(speed)
else:
raise ValueError("Please enter a speed between 0 and 100")
self.isRunning = True
self.currentDirection = direction
self.currentSpeed = speed示例4: Relay
class Relay(object):
"""Control a relay board with an output pin. Set on to True to drive the relay pin low
which turns the relay on."""
def __init__( self, pin ) :
"""Pin may be a pin name or pyb.Pin object set for output."""
if type(pin) == str:
self._pin = Pin(pin, Pin.OUT_PP, Pin.PULL_DOWN)
elif type(pin) == Pin:
self._pin = pin
else:
raise Exception("pin must be pin name or pyb.Pin")
self.on = False
@property
def on( self ) : return self._pin.value()
@on.setter
def on( self, value ) :
if value:
self._pin.low()
else:
self._pin.high()示例5: __init__
class STAccel:
def __init__(self):
self.cs_pin = Pin('PE3', Pin.OUT_PP, Pin.PULL_NONE)
self.cs_pin.high()
self.spi = SPI(1, SPI.MASTER, baudrate=328125, polarity=0, phase=1, bits=8)
self.who_am_i = self.read_id()
if self.who_am_i == LIS302DL_WHO_AM_I_VAL:
self.write_bytes(LIS302DL_CTRL_REG1_ADDR, bytearray([LIS302DL_CONF]))
self.sensitivity = 18
elif self.who_am_i == LIS3DSH_WHO_AM_I_VAL:
self.write_bytes(LIS3DSH_CTRL_REG4_ADDR, bytearray([LIS3DSH_CTRL_REG4_CONF]))
self.write_bytes(LIS3DSH_CTRL_REG5_ADDR, bytearray([LIS3DSH_CTRL_REG5_CONF]))
self.sensitivity = 0.06 * 256
else:
raise Exception('LIS302DL or LIS3DSH accelerometer not present')
def convert_raw_to_g(self, x):
if x & 0x80:
x = x - 256
return x * self.sensitivity / 1000
def read_bytes(self, addr, nbytes):
if nbytes > 1:
addr |= READWRITE_CMD | MULTIPLEBYTE_CMD
else:
addr |= READWRITE_CMD
self.cs_pin.low()
self.spi.send(addr)
#buf = self.spi.send_recv(bytearray(nbytes * [0])) # read data, MSB first
buf = self.spi.recv(nbytes)
self.cs_pin.high()
return buf
def write_bytes(self, addr, buf):
if len(buf) > 1:
addr |= MULTIPLEBYTE_CMD
self.cs_pin.low()
self.spi.send(addr)
for b in buf:
self.spi.send(b)
self.cs_pin.high()
def read_id(self):
return self.read_bytes(WHO_AM_I_ADDR, 1)[0]
def x(self):
return self.convert_raw_to_g(self.read_bytes(OUT_X_ADDR, 1)[0])
def y(self):
return self.convert_raw_to_g(self.read_bytes(OUT_Y_ADDR, 1)[0])
def z(self):
return self.convert_raw_to_g(self.read_bytes(OUT_Z_ADDR, 1)[0])
def xyz(self):
return (self.x(), self.y(), self.z())示例6: __init__
def __init__( self, forward, backward, speed ) :
"""forward pin name, backward pin name, speed = (pin name, timer#)
Need to make sure the given timer # is associated with the speed
pin or an exception will be raised. The speed pin must support
PWM."""
self._forward = Pin(forward, Pin.OUT_PP)
self._backward = Pin(backward, Pin.OUT_PP)
self._speedControl = PWM(speed[0], speed[1])
self._speed = 0示例7: check_joystick
def check_joystick():
adc_1 = ADC(Pin('X19'))
adc_2 = ADC(Pin('X20'))
J_sw = Pin('Y11', Pin.IN)
while True:
print('Vertical: ',adc_1.read(), 'Horizontal: ', adc_2.read(), 'Switch: ',J_sw.value())
pyb.delay(2000) 示例8: declare_channel
def declare_channel(self, channel, direction):
try:
self.available_pins.index(channel)
if self._find_channel(channel):
return ;
pin = Pin(channel)
if direction:
pin.init(Pin.OUT_PP)
else:
pin.init(Pin.IN, Pin.PULL_UP)
self.channels += [pin]
except:
pass示例9: __init__
def __init__(self,qq):
self.x1=Pin('Y9', Pin.IN, Pin.PULL_DOWN)
self.x2=Pin('Y7', Pin.IN, Pin.PULL_DOWN)
self.y1=Pin('Y10', Pin.IN, Pin.PULL_DOWN)
self.y2=Pin('Y8', Pin.IN, Pin.PULL_DOWN)
self.extInts = (ExtInt('Y9',
ExtInt.IRQ_RISING,
Pin.PULL_DOWN,
self.x11),
ExtInt('Y10',
ExtInt.IRQ_RISING,
Pin.PULL_DOWN,
self.y11))示例10: ultrasound
def ultrasound():
Trigger = Pin('X3', Pin.OUT_PP)
Echo = Pin('X4',Pin.IN)
# Create a microseconds counter.
micros = pyb.Timer(2, prescaler=83, period=0x3fffffff)
micros.counter(0)
start = 0
end = 0
# Send a 20usec pulse every 10ms
while True:
Trigger.high()
pyb.udelay(20)
Trigger.low()
# Wait until pulse starts
while Echo.value() == 0: # do nothing
start = micros.counter() # mark time at rising edge
# Wait until pulse goes low
while Echo.value() == 1: # do nothing
end = micros.counter() # mark time at falling edge
# Duration echo pulse = end - start
# Divide this by 2 to take account of round-trip
# Speed of sound in air is 340 m/s or 29 us/cm
# Distance in cm = (pulse_width)*0.5/29
distance = int(((end - start) / 2) / 29)
print('Distance: ', distance, ' cm')
pyb.delay(500)示例11: flash_LEDs
def flash_LEDs():
rLED = Pin('Y9', Pin.OUT_PP)
bLED = Pin('Y10',Pin.OUT_PP)
while True:
rLED.high()
pyb.delay(250)
bLED.high()
pyb.delay(250)
rLED.low()
pyb.delay(250)
bLED.low()
pyb.delay(250)示例12: __init__
class TrackBall:
def __init__(self,qq):
self.volEnQueueable = EnQueueable((EnQueueable.INC,EnQueueable.VOL),qq)
self.toneEnQueueable = EnQueueable((EnQueueable.INC,EnQueueable.TONE),qq)
self.targCoilID = 0;
self.x1=Pin(State.trackballStateDict['x1'], Pin.IN, Pin.PULL_DOWN)
self.x2=Pin(State.trackballStateDict['x2'], Pin.IN, Pin.PULL_DOWN)
self.y1=Pin(State.trackballStateDict['y1'], Pin.IN, Pin.PULL_DOWN)
self.y2=Pin(State.trackballStateDict['y2'], Pin.IN, Pin.PULL_DOWN)
self.extInts = (ExtInt(State.trackballStateDict['x1'],
ExtInt.IRQ_RISING,
Pin.PULL_DOWN,
self.x11),
ExtInt(State.trackballStateDict['y1'],
ExtInt.IRQ_RISING,
Pin.PULL_DOWN,
self.y11))
def x11(self,unused):
if self.x2.value():
irq_state = disable_irq()
self.volEnQueueable.push(self.targCoilID,-1)
enable_irq(irq_state)
else:
irq_state = disable_irq()
self.volEnQueueable.push(self.targCoilID,1)
enable_irq(irq_state)
def y11(self,unused):
if self.y2.value():
irq_state = disable_irq()
self.toneEnQueueable.push(self.targCoilID,-1)
enable_irq(irq_state)
else:
irq_state = disable_irq()
self.toneEnQueueable.push(self.targCoilID,1)
enable_irq(irq_state)
def __repr__(self):
res = 'TrackBall:' + \
'\nvolEnQueueable: \t' + repr(self.volEnQueueable) + \
'\ntoneEnQueueable:\t' + repr(self.toneEnQueueable) + \
'\ntargCoilID: \t' + str(self.targCoilID) + \
'\nx1: \t' + str(self.x1) + \
'\nx2: \t' + str(self.x2) + \
'\ny1: \t' + str(self.y1) + \
'\ny2: \t' + str(self.y2) #+ \
#'\nExtInts: \t' + str([i for i in self.extInts])
return res示例13: __init__
def __init__(self, bus=1, baudrate=328125, polarity=0, phase=0, ss='A4'):
self.ss = Pin(ss, Pin.OUT)
self.ss.high()
self.spi = SPI(bus, SPI.MASTER, baudrate=baudrate, polarity=polarity,
phase=phase)
self.msgbuf = bytearray(32)
self.status = bytearray(4)示例14: __init__
def __init__(self, cs='PE3', spi=1, debug=False):
self._debug = debug
self.cs_pin = Pin(cs, Pin.OUT_PP, Pin.PULL_NONE)
self.cs_pin.high()
self.spi = SPI(spi, SPI.MASTER, baudrate=328125, polarity=0, phase=1,
bits=8)
self.read_id()
# First SPI read always returns 255 --> discard and read ID again
self.who_am_i = self.read_id()
self.debug("Accel-ID: %s" % self.who_am_i)
if self.who_am_i == LIS302DL_WHO_AM_I_VAL:
self.write_bytes(LIS302DL_CTRL_REG1_ADDR, LIS302DL_CONF)
self.sensitivity = 18
elif self.who_am_i == LIS3DSH_WHO_AM_I_VAL:
self.write_bytes(LIS3DSH_CTRL_REG4_ADDR, LIS3DSH_CTRL_REG4_CONF)
self.write_bytes(LIS3DSH_CTRL_REG5_ADDR, LIS3DSH_CTRL_REG5_CONF)
self.sensitivity = 0.06 * 256
else:
msg = 'LIS302DL or LIS3DSH accelerometer not present'
if self._debug:
self.debug(msg)
else:
raise IOError(msg)示例15: __init__
def __init__(self):
self.cs_pin = Pin('PE3', Pin.OUT_PP, Pin.PULL_NONE)
self.cs_pin.high()
self.spi = SPI(1, SPI.MASTER, baudrate=328125, polarity=0, phase=1, bits=8)
self.write_bytes(LIS302DL_CTRL_REG1_ADDR, bytearray([LIS302DL_CONF]))
if self.read_id() != LIS302DL_WHO_AM_I_VAL:
raise Exception('LIS302DL accelerometer not present')