Python PyMata.play_tone示例

示例#1

import time
import sys
import signal

from PyMata.pymata import PyMata

BEEPER = 3  # pin that piezo device is attached to

# create a PyMata instance
board = PyMata("/dev/ttyACM0")


def signal_handler(sig, frm):
    print('You pressed Ctrl+C!!!!')
    if board is not None:
        board.reset()
    sys.exit(0)


signal.signal(signal.SIGINT, signal_handler)

board.play_tone(BEEPER, board.TONE_TONE, 1000, 500)
time.sleep(2)

# play a continuous tone, wait 3 seconds and then turn tone off
board.play_tone(BEEPER, board.TONE_TONE, 1000, 0)
time.sleep(3)
board.play_tone(BEEPER, board.TONE_NO_TONE, 1000, 0)

board.close()

示例#2

time.sleep(.2)
print firmata.analog_read(POTENTIOMETER)

# set the button switch as a digital input
firmata.set_pin_mode(BUTTON_SWITCH, firmata.INPUT, firmata.DIGITAL)

# wait for the button switch to be pressed

while not firmata.digital_read(BUTTON_SWITCH):
    time.sleep(.1)
    pass
print firmata.digital_read(BUTTON_SWITCH)

# send out a beep in celebration of detecting the button press
# note that you don't need to set pin mode for play_tone
firmata.play_tone(BEEPER, firmata.TONE_TONE, 1000, 500)

# control the servo - note that you don't need to set pin mode
# configure the servo
firmata.servo_config(SERVO_MOTOR)

# move the servo to 20 degrees
firmata.analog_write(SERVO_MOTOR, 20)
time.sleep(.5)

# move the servo to 100 degrees
firmata.analog_write(SERVO_MOTOR, 100)
time.sleep(.5)

# move the servo to 20 degrees
firmata.analog_write(SERVO_MOTOR, 20)

示例#3

文件： piezo_beep.py 项目： MrYsLab/PyMata

from PyMata.pymata import PyMata


BEEPER = 3  # pin that piezo device is attached to

# create a PyMata instance
board = PyMata("/dev/ttyACM0")


def signal_handler(sig, frm):
    print('You pressed Ctrl+C!!!!')
    if board is not None:
        board.reset()
    sys.exit(0)


signal.signal(signal.SIGINT, signal_handler)

board.play_tone(BEEPER, board.TONE_TONE, 1000, 500)
time.sleep(2)

# play a continuous tone, wait 3 seconds and then turn tone off
board.play_tone(BEEPER, board.TONE_TONE, 1000, 0)
time.sleep(3)
board.play_tone(BEEPER, board.TONE_NO_TONE, 1000, 0)

board.close()

示例#4

文件： pymata_basics.py 项目： ChrisNolan/PyMata

time.sleep(.2)
print firmata.analog_read(POTENTIOMETER)

# set the button switch as a digital input
firmata.set_pin_mode(BUTTON_SWITCH, firmata.INPUT, firmata.DIGITAL)

# wait for the button switch to be pressed

while not firmata.digital_read(BUTTON_SWITCH):
    time.sleep(.1)
    pass
print firmata.digital_read(BUTTON_SWITCH)

# send out a beep in celebration of detecting the button press
# note that you don't need to set pin mode for play_tone
firmata.play_tone(BEEPER, firmata.TONE_TONE, 1000, 500)

# control the servo - note that you don't need to set pin mode
# configure the servo
firmata.servo_config(SERVO_MOTOR)

# move the servo to 20 degrees
firmata.analog_write(SERVO_MOTOR, 20)
time.sleep(.5)

# move the servo to 100 degrees
firmata.analog_write(SERVO_MOTOR, 100)
time.sleep(.5)

# move the servo to 20 degrees
firmata.analog_write(SERVO_MOTOR, 20)