# Grab the serial port from the command line parameters.
if len(sys.argv) != 2:
print('ERROR! Must specify the serial port as command line parameter.')
sys.exit(-1)
port = sys.argv[1]
# Connect to Circuit Playground board on specified port.
board = CircuitPlayground(port)
# Callback that will be called when a cap touch input result is available.
# The input_pin parameter is the pin number of the input, the touched parameter
# is a boolean that's true if the cap touch input is above a touch threshold
# (as defined by circuitplayground.CAP_THRSHOLD), and raw_value is the raw
# cap touch library value for the input (the bigger the value the more
# capacitance/bigger the thing touching an input).
def cap_touch_data(input_pin, touched, raw_value):
print('Cap touch value for pin {0}: {1}'.format(input_pin, raw_value))
if touched:
print('Cap touch pin {0} is pressed!'.format(input_pin))
# Grab cap touch input 10's state every 2 seconds.
# You can read any of these inputs: 0, 1, 2, 3, 6, 9, 10, 12
print('Printing cap touch input 10 state (Ctrl-C to quit)...')
while True:
board.read_cap_touch(10, cap_touch_data)
time.sleep(2.0)
# Close Firmata board connection when done.
board.close()
# print('ERROR! Must specify the serial port as command line parameter.')
# sys.exit(-1)
#port = sys.argv[1]
port = "/dev/tty.usbmodem1411"
# Connect to Circuit Playground board on specified port.
board = CircuitPlayground(port)
# Callback that will be called when a cap touch input result is available.
# The input_pin parameter is the pin number of the input, the touched parameter
# is a boolean that's true if the cap touch input is above a touch threshold
# (as defined by circuitplayground.CAP_THRSHOLD), and raw_value is the raw
# cap touch library value for the input (the bigger the value the more
# capacitance/bigger the thing touching an input).
def cap_touch_data(input_pin, touched, raw_value):
print('Cap touch value for pin {0}: {1}'.format(input_pin, raw_value))
if touched:
print('Cap touch pin {0} is pressed!'.format(input_pin))
# Grab cap touch input 10's state every 2 seconds.
# You can read any of these inputs: 0, 1, 2, 3, 6, 9, 10, 12
print('Printing cap touch input 10 state (Ctrl-C to quit)...')
while True:
board.read_cap_touch(10, cap_touch_data)
time.sleep(2.0)
# Close Firmata board connection when done.
board.close()
