# measured on the Expander Pi Vref pin.
adc.set_adc_refvoltage(4.096)
while True:
# clear the console
os.system('clear')
# read the date from the RTC in ISO 8601 format and print it to the screen
print 'Date: ' + rtc.read_date()
print ''
print 'ADC: '
print 'Channel 1: ' + str(adc.read_adc_voltage(1, 0))
print 'Channel 2: ' + str(adc.read_adc_voltage(2, 0))
print 'Channel 3: ' + str(adc.read_adc_voltage(3, 0))
print 'Channel 4: ' + str(adc.read_adc_voltage(4, 0))
print 'Channel 5: ' + str(adc.read_adc_voltage(5, 0))
print 'Channel 6: ' + str(adc.read_adc_voltage(6, 0))
print 'Channel 7: ' + str(adc.read_adc_voltage(7, 0))
print 'Channel 8: ' + str(adc.read_adc_voltage(8, 0))
print ''
print 'IO: '
print 'Pin 1: ' + str(io.read_pin(1))
print 'Pin 2: ' + str(io.read_pin(2))
print 'Pin 3: ' + str(io.read_pin(3))
print 'Pin 4: ' + str(io.read_pin(4))
print 'Pin 5: ' + str(io.read_pin(5))
print 'Pin 6: ' + str(io.read_pin(6))
print 'Pin 7: ' + str(io.read_pin(7))
print 'Pin 8: ' + str(io.read_pin(8))
time.sleep(0.2)
as 1 unless the pin is connected to ground.
Initialise the IO class and create an instance called io.
"""
i2c_helper = ABEHelpers()
bus = i2c_helper.get_smbus()
io = IO(bus)
# We will read the inputs 1 to 8 from the I/O bus so set port 0 to be
# inputs and enable the internal pull-up resistors
io.set_port_direction(0, 0xFF)
io.set_port_pullups(0, 0xFF)
while True:
# clear the console
os.system('clear')
# read the pins 1 to 8 and print the results
print ('Pin 1: ' + str(io.read_pin(1)))
print ('Pin 2: ' + str(io.read_pin(2)))
print ('Pin 3: ' + str(io.read_pin(3)))
print ('Pin 4: ' + str(io.read_pin(4)))
print ('Pin 5: ' + str(io.read_pin(5)))
print ('Pin 6: ' + str(io.read_pin(6)))
print ('Pin 7: ' + str(io.read_pin(7)))
print ('Pin 8: ' + str(io.read_pin(8)))
# wait 0.5 seconds before reading the pins again
time.sleep(0.1)
io = IO()
# We will read the inputs 1 to 16 from the I/O bus so set port 0 and port 1 to be
# inputs and enable the internal pull-up resistors
io.set_port_direction(0, 0xFF)
io.set_port_pullups(0, 0xFF)
io.set_port_direction(1, 0xFF)
io.set_port_pullups(1, 0xFF)
while True:
# clear the console
os.system('clear')
# read the pins 1 to 16 and print the results
print ('Pin 1: ' + str(io.read_pin(1)))
print ('Pin 2: ' + str(io.read_pin(2)))
print ('Pin 3: ' + str(io.read_pin(3)))
print ('Pin 4: ' + str(io.read_pin(4)))
print ('Pin 5: ' + str(io.read_pin(5)))
print ('Pin 6: ' + str(io.read_pin(6)))
print ('Pin 7: ' + str(io.read_pin(7)))
print ('Pin 8: ' + str(io.read_pin(8)))
print ('Pin 9: ' + str(io.read_pin(9)))
print ('Pin 10: ' + str(io.read_pin(10)))
print ('Pin 11: ' + str(io.read_pin(11)))
print ('Pin 12: ' + str(io.read_pin(12)))
print ('Pin 13: ' + str(io.read_pin(13)))
print ('Pin 14: ' + str(io.read_pin(14)))
print ('Pin 15: ' + str(io.read_pin(15)))
print ('Pin 16: ' + str(io.read_pin(16)))
io = IO()
# We will read the inputs 1 to 16 from the I/O bus so set port 0 and port 1 to be
# inputs and enable the internal pull-up resistors
io.set_port_direction(0, 0xFF)
io.set_port_pullups(0, 0xFF)
io.set_port_direction(1, 0xFF)
io.set_port_pullups(1, 0xFF)
while True:
# clear the console
os.system('clear')
# read the pins 1 to 16 and print the results
print('Pin 1: ' + str(io.read_pin(1)))
print('Pin 2: ' + str(io.read_pin(2)))
print('Pin 3: ' + str(io.read_pin(3)))
print('Pin 4: ' + str(io.read_pin(4)))
print('Pin 5: ' + str(io.read_pin(5)))
print('Pin 6: ' + str(io.read_pin(6)))
print('Pin 7: ' + str(io.read_pin(7)))
print('Pin 8: ' + str(io.read_pin(8)))
print('Pin 9: ' + str(io.read_pin(9)))
print('Pin 10: ' + str(io.read_pin(10)))
print('Pin 11: ' + str(io.read_pin(11)))
print('Pin 12: ' + str(io.read_pin(12)))
print('Pin 13: ' + str(io.read_pin(13)))
print('Pin 14: ' + str(io.read_pin(14)))
print('Pin 15: ' + str(io.read_pin(15)))
print('Pin 16: ' + str(io.read_pin(16)))
