firmata.set_pin_mode(BUTTON_SWITCH, firmata.INPUT, firmata.DIGITAL) # Arm pin A2 for latching a value >= 678 firmata.set_analog_latch(POTENTIOMETER, firmata.ANALOG_LATCH_GTE, 678) # Arm pin 12 for latching when the pin goes high firmata.set_digital_latch(BUTTON_SWITCH, firmata.DIGITAL_LATCH_HIGH) print "start waiting" # wait for 5 seconds to allow user interaction with switch and pot # during this time press and release the switch and turn the pot to maximum time.sleep(5) print 'end waiting' # get and print the digital latched data print firmata.get_digital_latch_data(BUTTON_SWITCH) # get and print the analog data latched data a_latch = firmata.get_analog_latch_data(POTENTIOMETER) print a_latch # print gmtime for the time stamp print time.gmtime(a_latch[firmata.LATCHED_TIME_STAMP]) # wait 2 more seconds and see that the latch entry data is now cleared time.sleep(2) print firmata.get_digital_latch_data(BUTTON_SWITCH) print firmata.get_analog_latch_data(POTENTIOMETER) firmata.close()
signal.signal(signal.SIGINT, signal_handler)
# set pin modes
board.set_pin_mode(GREEN_LED, board.OUTPUT, board.DIGITAL)
board.set_pin_mode(RED_LED, board.PWM, board.DIGITAL)
board.set_pin_mode(PUSH_BUTTON, board.INPUT, board.DIGITAL)
board.set_pin_mode(POTENTIOMETER, board.INPUT, board.ANALOG)
board.set_analog_latch(POTENTIOMETER, board.ANALOG_LATCH_GTE, 1000)
# do nothing loop - program exits when latch data event occurs for potentiometer
while 1:
count += 1
if count == 300:
print('bye bye')
board.close()
analog = board.analog_read(POTENTIOMETER)
board.analog_write(RED_LED, analog // 4)
digital = board.digital_read(PUSH_BUTTON)
board.digital_write(GREEN_LED, digital)
latch = board.get_analog_latch_data(POTENTIOMETER)
if latch[1] == board.LATCH_LATCHED:
board.analog_write(RED_LED, 0)
board.digital_write(GREEN_LED, 0)
print('Latching Event Occurred at: ' + time.asctime(time.gmtime(latch[3])))
board.close()
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
# Set pin modes
board.set_pin_mode(GREEN_LED, board.OUTPUT, board.DIGITAL)
board.set_pin_mode(RED_LED, board.PWM, board.DIGITAL)
board.set_pin_mode(PUSH_BUTTON, board.INPUT, board.DIGITAL)
board.set_pin_mode(POTENTIOMETER, board.INPUT, board.ANALOG)
board.set_analog_latch(POTENTIOMETER, board.ANALOG_LATCH_GTE, 1000)
# Do nothing loop - program exits when latch data event occurs for
# potentiometer
while 1:
count += 1
if count == 300:
print('Terminated')
board.close()
analog = board.analog_read(POTENTIOMETER)
board.analog_write(RED_LED, analog // 4)
digital = board.digital_read(PUSH_BUTTON)
board.digital_write(GREEN_LED, digital)
latch = board.get_analog_latch_data(POTENTIOMETER)
if latch[1] == board.LATCH_LATCHED:
board.analog_write(RED_LED, 0)
board.digital_write(GREEN_LED, 0)
print('Latching Event Occurred at: ' + \
time.asctime(time.gmtime(latch[3])))
board.close()
sys.exit(0)
firmata.set_pin_mode(BUTTON_SWITCH, firmata.INPUT, firmata.DIGITAL) # Arm pin A2 for latching a value >= 678 firmata.set_analog_latch(POTENTIOMETER, firmata.ANALOG_LATCH_GTE, 678) # Arm pin 12 for latching when the pin goes high firmata.set_digital_latch(BUTTON_SWITCH, firmata.DIGITAL_LATCH_HIGH) print "start waiting" # wait for 5 seconds to allow user interaction with switch and pot # during this time press and release the switch and turn the pot to maximum time.sleep(5) print 'end waiting' # get and print the digital latched data print firmata.get_digital_latch_data(BUTTON_SWITCH) # get and print the analog data latched data a_latch = firmata.get_analog_latch_data(POTENTIOMETER) print a_latch # print gmtime for the time stamp print time.gmtime(a_latch[firmata.LATCHED_TIME_STAMP]) # wait 2 more seconds and see that the latch entry data is now cleared time.sleep(2) print firmata.get_digital_latch_data(BUTTON_SWITCH) print firmata.get_analog_latch_data(POTENTIOMETER) firmata.close()