Edison上程序开发——决战四驱车

#!/usr/bin/python
import mraa
import time
import sys

x1 = mraa.Pwm(3)
x1.period_us(0)
x1.enable(True)

x2 = mraa.Pwm(5)
x2.period_us(0)
x2.enable(True)

x3 = mraa.Pwm(6)
x3.period_us(0)
x3.enable(True)

x4 = mraa.Pwm(9)
x4.period_us(0)
x4.enable(True)

if len(sys.argv) > 1:
    switch = sys.argv[1]
else:
    switch = 'off'

print switch

if switch == 'on':
    x1.write(1)
    x2.write(1)
    x3.write(1)
    x4.write(1)
else:
    x1.write(0)
    x2.write(0)
    x3.write(0)
    x4.write(0)
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import time
import pyupm_grove as grove

# Create the Grove LED object using GPIO pin 2
led = grove.GroveLed(3)

# Create the button object using GPIO pin 0
button = grove.GroveButton(7)

# Read the input and print, waiting one second between readings
while 1:
    print button.name(), ' value is ', button.value()
    time.sleep(1)

    if button.value():
        led.on()
    else:
        led.off()
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import time
import pyupm_buzzer as upmBuzzer

# Create the buzzer object using GPIO pin 5
buzzer = upmBuzzer.Buzzer(6)

chords = [upmBuzzer.DO, upmBuzzer.RE, upmBuzzer.MI, upmBuzzer.FA,
          upmBuzzer.SOL, upmBuzzer.LA, upmBuzzer.SI, upmBuzzer.DO,
          upmBuzzer.SI];

# Print sensor name
print buzzer.name()

# Play sound (DO, RE, MI, etc.), pausing for 0.1 seconds between notes
for chord_ind in range (0,7):
    # play each note for one second
    print buzzer.playSound(chords[chord_ind], 1000000)
    time.sleep(0.1)

print "exiting application"

# Delete the buzzer object
del buzzer
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