board.close()
# create a PyMata instance
board = PyMata("/dev/ttyACM0", True, False)
def signal_handler(sig, frame):
print('You pressed Ctrl+C!!!!')
if board is not None:
board.reset()
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, cb_push_button)
board.set_pin_mode(POTENTIOMETER, board.INPUT, board.ANALOG, cb_potentiometer)
# set the latch
board.set_analog_latch(POTENTIOMETER, board.ANALOG_LATCH_GTE, 1000,
cb_potentiometer_latch)
# do nothing loop - program exits when latch data event occurs for potentiometer or timer expires
time.sleep(15)
print('Timer expired')
board.close()
# Refresh, Retrieve and print Arduino Firmware version information firmata.refresh_report_firmware() print firmata.get_firmata_version() # Print PyMata's version number print firmata.get_pymata_version() # Setup pin A2 for input firmata.set_pin_mode(POTENTIOMETER, firmata.INPUT, firmata.ANALOG) # Setup pin pin 12 for the switch 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
def signal_handler(sig, frame):
print('You pressed Ctrl+C')
if board is not None:
board.reset()
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:
def signal_handler(sig, frame):
print('You pressed Ctrl+C!!!!')
if firmata is not None:
firmata.reset()
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
# set digital pin 13 to be an output port
firmata.set_pin_mode(BOARD_LED, firmata.OUTPUT, firmata.DIGITAL)
firmata.set_pin_mode(BOARD_BAT, firmata.INPUT, firmata.ANALOG)
firmata.set_analog_latch(BOARD_BAT, firmata.ANALOG_LATCH_GTE, 1000)
time.sleep(5)
print("Blinking LED on pin 13")
# blink for 10 times
for x in range(10):
print(x + 1)
firmata.digital_write(BOARD_LED, 1)
# wait a half second between toggles.
time.sleep(.2)
firmata.digital_write(BOARD_LED, 0)
time.sleep(.2)
while 1:
count += 1
def signal_handler(sig, frame):
print('You pressed Ctrl+C!!!!')
if board is not None:
board.reset()
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('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:
time.gmtime(data[LATCH_TIME_STAMP]))))
# shut things down
board.close()
# create a PyMata instance
board = PyMata("/dev/ttyACM0", True, False)
def signal_handler(sig, frame):
print('You pressed Ctrl+C!!!!')
if board is not None:
board.reset()
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, cb_push_button)
board.set_pin_mode(POTENTIOMETER, board.INPUT, board.ANALOG, cb_potentiometer)
# set the latch
board.set_analog_latch(POTENTIOMETER, board.ANALOG_LATCH_GTE, 1000, cb_potentiometer_latch)
# do nothing loop - program exits when latch data event occurs for potentiometer or timer expires
time.sleep(15)
print('Timer expired')
board.close()
class Mqtt_Pymata:
def __init__(self, name, broker, port, keepalive, state_topic, command_topic, qos, retain,
payload_on, payload_off, optimistic, value_template,serial_port,switch_pin):
self._switch_pin = switch_pin
self._board = PyMata(serial_port,False,verbose=True)
self._board.set_pin_mode(self._switch_pin,self._board.OUTPUT,self._board.DIGITAL)
A0 = 7
def pin_callback(data):
print("Analog Data: ",
" Pin: ", data[PIN_NUMBER],
" Pin Mode: ", data[PIN_MODE],
" Data Value: ", data[DATA_VALUE])
self._board.set_analog_latch(A0,self._board.ANALOG_LATCH_GT,500,pin_callback)
# self._board.set_pin_mode(A0, self._board.INPUT, self._board.ANALOG)
# self._board.set_sampling_interval(100)
# self._board.set_analog_latch(A0,self._board.ANALOG_LATCH_GT,500,pin_callback)
# while True:
# time.sleep(0.1)
# value = self._board.analog_read(A0)
# print(value)
self._mqtt = mqtt.Client()
self._switch = None
self._state_topic = state_topic
self._command_topic = command_topic
self._qos = qos
self._retain = retain
self._payload_on = payload_on
self._payload_off = payload_off
self._optimistic = optimistic
self._state = False
def on_message( _mqtt, userdata, msg):
topic = msg.topic,
qos = msg.qos,
payload = msg.payload.decode('utf-8'),
payload = payload[0]
print(msg.topic+" "+payload)
if payload == payload_on:
self.turn_on()
elif payload == payload_off:
self.turn_off()
self._mqtt.on_message = on_message
self._mqtt.connect(broker, port, keepalive)
self._mqtt.subscribe(command_topic,qos)
self._mqtt.loop_forever()
def turn_on(self):
self._state = True
self.apply_state()
self.report_state()
def turn_off(self):
self._state = False
self.apply_state()
self.report_state()
def apply_state(self):
self._board.digital_write(self._switch_pin,self._board.HIGH if self._state else self._board.LOW)
def report_state(self):
self._mqtt.publish( self._state_topic, self._payload_on if self._state else self._payload_off,
self._qos, self._retain)
# Refresh, Retrieve and print Arduino Firmware version information firmata.refresh_report_firmware() print firmata.get_firmata_version() # Print PyMata's version number print firmata.get_pymata_version() # Setup pin A2 for input firmata.set_pin_mode(POTENTIOMETER, firmata.INPUT, firmata.ANALOG) # Setup pin pin 12 for the switch 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
def signal_handler(sig, frame):
print("You pressed Ctrl+C!!!!")
if firmata is not None:
firmata.reset()
sys.exit(0)
signal.signal(signal.SIGINT, signal_handler)
# set digital pin 13 to be an output port
firmata.set_pin_mode(BOARD_LED, firmata.OUTPUT, firmata.DIGITAL)
firmata.set_pin_mode(BOARD_BAT, firmata.INPUT, firmata.ANALOG)
firmata.set_analog_latch(BOARD_BAT, firmata.ANALOG_LATCH_GTE, 1000)
time.sleep(5)
print("Blinking LED on pin 13")
# blink for 10 times
for x in range(10):
print(x + 1)
firmata.digital_write(BOARD_LED, 1)
# wait a half second between toggles.
time.sleep(0.2)
firmata.digital_write(BOARD_LED, 0)
time.sleep(0.2)
while 1:
count += 1