def go(vel):
"""
Start the motors and keep them running until told otherwise
"""
Arduino.digitalWrite(dirA, Arduino.HIGH)
Arduino.digitalWrite(dirB, Arduino.HIGH)
Arduino.analogWrite(speedA, vel)
Arduino.analogWrite(speedB, vel)
def close_pins():
"""
Close all motor pins to quit cleanly upon end or exception
"""
Arduino.analogWrite(speedA, Arduino.LOW)
Arduino.analogWrite(speedB, Arduino.LOW)
Arduino.digitalWrite(dirA, Arduino.LOW)
Arduino.digitalWrite(dirB, Arduino.LOW)
def forward(dist, vel):
"""
Move forward for dist (time) at vel (motor speed)
"""
Arduino.digitalWrite(dirA, Arduino.HIGH)
Arduino.digitalWrite(dirB, Arduino.HIGH)
Arduino.analogWrite(speedA, vel)
Arduino.analogWrite(speedB, vel)
Arduino.delay(dist)
def lights():
status = request.json['status']
if status == 'on':
Arduino.digitalWrite(boardconfig.lights_pin, 1)
elif status == 'off':
Arduino.digitalWrite(boardconfig.lights_pin, 0)
else:
return jsonify({ 'error' : 'use status on or off' }), 400
return jsonify({ 'status' : 'success' }), 200
def go_forward():
print "executing go_forward"
speed = 255
direction = 0
Arduino.digitalWrite(DIR_B_PIN, direction)
Arduino.analogWrite(SPEED_B_PIN, speed)
Arduino.digitalWrite(DIR_A_PIN, direction)
Arduino.analogWrite(SPEED_A_PIN, speed)
Arduino.analogWrite(LED_PIN_G, 155)
def turn_left(angle, vel):
"""
Turns to the left according to angle (delay)
"""
Arduino.digitalWrite(dirA, Arduino.HIGH)
Arduino.digitalWrite(dirB, Arduino.LOW)
Arduino.analogWrite(speedA, vel)
Arduino.analogWrite(speedB, Arduino.LOW)
Arduino.delay(angle)
def lights():
status = request.json['status']
if status == 'on':
Arduino.digitalWrite(boardconfig.lights_pin, 1)
elif status == 'off':
Arduino.digitalWrite(boardconfig.lights_pin, 0)
else:
return jsonify({'error': 'use status on or off'}), 400
return jsonify({'status': 'success'}), 200
def reverse(dist, vel):
"""
Move backwards for dist (time) at vel (motor speed)
"""
Arduino.digitalWrite(dirA, Arduino.LOW)
Arduino.digitalWrite(dirB, Arduino.LOW)
Arduino.analogWrite(speedA, vel)
Arduino.analogWrite(speedB, vel)
Arduino.delay(dist)
def taha(N):
Arduino.pinMode(13, Arduino.OUTPUT)
while True:
Arduino.digitalWrite(13, Arduino.HIGH)
time.sleep(float(N))
Arduino.digitalWrite(13, Arduino.LOW)
time.sleep(float(N))
lcd.setCursor(0, 1)
lcd.printString(N)
print N
def taha(N): Arduino.pinMode(13, Arduino.OUTPUT) while True: Arduino.digitalWrite(13, Arduino.HIGH) time.sleep(float(N)) Arduino.digitalWrite(13, Arduino.LOW) time.sleep(float(N)) lcd.setCursor(0, 1) lcd.printString(N) print N
def rot_ccw(angle, vel):
"""
Spins to the left according to angle (delay),
then stops the motors
"""
Arduino.digitalWrite(dirA, Arduino.HIGH)
Arduino.digitalWrite(dirB, Arduino.LOW)
Arduino.analogWrite(speedA, vel)
Arduino.analogWrite(speedB, vel)
Arduino.delay(angle)
def go_right():
print "executing go_right"
speed = 255
direction_a = 1
direction_b = 0
Arduino.digitalWrite(DIR_B_PIN, direction_b)
Arduino.analogWrite(SPEED_B_PIN, speed)
Arduino.digitalWrite(DIR_A_PIN, direction_a)
Arduino.analogWrite(SPEED_A_PIN, speed)
Arduino.analogWrite(LED_PIN_R, 0)
Arduino.analogWrite(LED_PIN_G, 0)
Arduino.analogWrite(LED_PIN_B, 155)
def digitalpin(pin_number):
if request.method == 'GET':
Arduino.pinMode(pin_number, Arduino.INPUT)
data = {
'value' : Arduino.digitalRead(pin_number)
}
resp = Response(json.dumps(data), status=200, mimetype='application/json')
return resp
else:
Arduino.pinMode(pin_number, Arduino.OUTPUT)
Arduino.digitalWrite(pin_number, request.json['value'])
resp = Response("", status=200, mimetype='application/json')
return resp
def send_updates_to_arduino(batch):
if batch.heat:
Arduino.digitalWrite(ARDUINO_HEAT_PIN, Arduino.HIGH)
else:
Arduino.digitalWrite(ARDUINO_HEAT_PIN, Arduino.LOW)
if batch.cool:
Arduino.digitalWrite(ARDUINO_COOL_PIN, Arduino.HIGH)
else:
Arduino.digitalWrite(ARDUINO_COOL_PIN, Arduino.LOW)
def close_pins(): """ Close pins to quit cleanly (doesn't work with a 'for loop' despite the pins happily initialising that way!) """ Arduino.digitalWrite(redPin,Arduino.LOW) Arduino.digitalWrite(greenPin,Arduino.LOW) Arduino.digitalWrite(bluePin,Arduino.LOW)
def close_pins(): """ Close pins to quit cleanly (doesn't work with a 'for loop' despite the pins happily initialising that way!) """ Arduino.digitalWrite(redPin,Arduino.LOW) Arduino.digitalWrite(greenPin,Arduino.LOW) Arduino.digitalWrite(bluePin,Arduino.LOW)
def move():
movetype = request.json['type']
duration = request.json['duration']
if movetype == 'left':
Arduino.digitalWrite(boardconfig.motor1_cp1, 0)
Arduino.digitalWrite(boardconfig.motor1_cp2, 1)
Arduino.analogWrite(boardconfig.motor1_ep, boardconfig.motor_speed)
elif movetype == 'right':
Arduino.digitalWrite(boardconfig.motor1_cp1, 1)
Arduino.digitalWrite(boardconfig.motor1_cp2, 0)
Arduino.analogWrite(boardconfig.motor1_ep, boardconfig.motor_speed)
elif movetype == 'up':
Arduino.digitalWrite(boardconfig.motor2_cp1, 0)
Arduino.digitalWrite(boardconfig.motor2_cp2, 1)
Arduino.analogWrite(boardconfig.motor2_ep, boardconfig.motor_speed)
elif movetype == 'down':
Arduino.digitalWrite(boardconfig.motor2_cp1, 1)
Arduino.digitalWrite(boardconfig.motor2_cp2, 0)
Arduino.analogWrite(boardconfig.motor2_ep, boardconfig.motor_speed)
else:
return jsonify({ 'error' : 'use type up, down, left or right' }), 400
time.sleep(duration/1000)
Arduino.analogWrite(boardconfig.motor2_ep, 0)
Arduino.analogWrite(boardconfig.motor1_ep, 0)
return jsonify({ 'status' : 'success' }), 200
def setBgColor():
(triple, hexstr) = askcolor()
if hexstr:
print hexstr
print (triple[0], " ", triple[1], " ", triple[2])
a.analogWrite(RLED, triple[0])
a.analogWrite(GLED, triple[1])
a.analogWrite(BLED, triple[2])
push.config(bg=hexstr)
print"Starting"
print"5 blinks"
a.digitalWrite(BLED,a.LOW)
a.digitalWrite(GLED,a.LOW)
for i in range(0,5):
Arduino.digitalWrite(RLED, Arduino.HIGH)
sleep(0.2)
Arduino.digitalWrite(RLED, Arduino.LOW)
sleep(0.2)
print"Changing brightness of LED"
bright = 128 # Mid brightness
a.analogWrite(RLED, bright)
#a.digitalWrite(LED,a.HIGH) # Turn on LED
for i in range(0,50):
bright = bright + 8
#!/usr/bin/env python
# Author: Scott Ellis
# Basic Digital Read
# turns on and off a light emitting diode(LED) connected to digital
# pin 13, when pressing a pushbutton attached to pin 5.
# Dependencies: nanpy 0.7
from nanpy import Arduino
sensorButton = Arduino.digitalRead(5)
Arduino.pinMode(sensorButton, Arduino.INPUT)
ledPin = 13;
Arduino.pinMode(ledPin, Arduino.OUTPUT)
while True:
sensorButton = Arduino.digitalRead(5)
print("sensor value: %d" % sensorButton)
if (sensorButton == True):
Arduino.digitalWrite(ledPin, Arduino.HIGH)
else:
Arduino.digitalWrite(ledPin, Arduino.LOW)
Arduino.delay(100)
def makeFig():
plt.ylim(20,80)
plt.title('Temperature Streaming')
plt.grid(True)
# plt.ylable('Temp C')
plt.plot(tempC, 'ro-',label='Degree C')
plt.legend(loc='upper left')
# pyplot.show_bokeh(plt.gcf(), filename="mpltest.html")
# plotting.session().dumpjson(file="mpltest.json")
mpld3.show()
# plt.show()
print"Starting"
print"5 blinks"
for i in range(0,2):
Arduino.digitalWrite(LED, Arduino.HIGH)
sleep(0.5)
Arduino.digitalWrite(LED, Arduino.LOW)
sleep(0.5)
print"Changing brightness of LED"
bright = 128 # Mid brightness
Arduino.analogWrite(LED, bright)
Arduino.digitalWrite(LED,Arduino.HIGH) # Turn on LED
for i in range(0,200):
bright = bright + 8
if (bright > 200): # LED already full on at this point
bright = 0 # Minimum power to LED
Arduino.analogWrite(LED, bright) # Change PWM setting/brightness
sleep(0.05)
def move():
movetype = request.json['type']
duration = request.json['duration']
if movetype == 'left':
Arduino.digitalWrite(boardconfig.motor1_cp1, 0)
Arduino.digitalWrite(boardconfig.motor1_cp2, 1)
Arduino.analogWrite(boardconfig.motor1_ep, boardconfig.motor_speed)
elif movetype == 'right':
Arduino.digitalWrite(boardconfig.motor1_cp1, 1)
Arduino.digitalWrite(boardconfig.motor1_cp2, 0)
Arduino.analogWrite(boardconfig.motor1_ep, boardconfig.motor_speed)
elif movetype == 'up':
Arduino.digitalWrite(boardconfig.motor2_cp1, 0)
Arduino.digitalWrite(boardconfig.motor2_cp2, 1)
Arduino.analogWrite(boardconfig.motor2_ep, boardconfig.motor_speed)
elif movetype == 'down':
Arduino.digitalWrite(boardconfig.motor2_cp1, 1)
Arduino.digitalWrite(boardconfig.motor2_cp2, 0)
Arduino.analogWrite(boardconfig.motor2_ep, boardconfig.motor_speed)
else:
return jsonify({'error': 'use type up, down, left or right'}), 400
time.sleep(duration / 1000)
Arduino.analogWrite(boardconfig.motor2_ep, 0)
Arduino.analogWrite(boardconfig.motor1_ep, 0)
return jsonify({'status': 'success'}), 200
#!/usr/bin/env python
# Author: Andrea Stagi <*****@*****.**>
# Description: keeps your led blinking
# Dependencies: None
from nanpy import Arduino
sys.path.append('/home/pi/Desktop/nanpy-0.8/firmware/ArduinoClass.h')
Arduino.pinMode(4, Arduino.OUTPUT)
for i in range(10000):
Arduino.digitalWrite(4, (i + 1) % 2)
Arduino.delay(1000)
__license__ = 'None'
from nanpy import Arduino as A
switchstate = 0
# SETUP:
A.pinMode(3, A.OUTPUT)
A.pinMode(4, A.OUTPUT)
A.pinMode(5, A.OUTPUT)
A.pinMode(2, A.INPUT)
# LOOP:
while True:
switchState = A.digitalRead(2)
if switchState == A.LOW:
A.digitalWrite(3, A.HIGH) # turn the green LED on pin 3 on
A.digitalWrite(4, A.LOW) # turn the red LED on pin 4 off
A.digitalWrite(5, A.LOW) # turn the red LED on pin 5 off
else:
A.digitalWrite(3, A.LOW); # turn the green LED on pin 3 off
A.digitalWrite(4, A.LOW); # turn the red LED on pin 4 off
A.digitalWrite(5, A.HIGH); # turn the red LED on pin 5 on
# wait for a quarter second before changing the light
A.delay(250);
A.digitalWrite(4, A.HIGH); #// turn the red LED on pin 4 on
A.digitalWrite(5, A.LOW); #// turn the red LED on pin 5 off
# wait for a quarter second before changing the light
A.delay(250);
"""
Love O Meter
A Python/nanpy port of the LoveOMeter Sketch from the Arduino Starter Kit ( http://arduino.cc/starterKit)
"""
__version__ = '1.0'
__author__ = 'mc7h'
__license__ = 'None'
from nanpy import Arduino as A
SENSOR_PIN_A0 = 14
BASELINE_TEMP = 20.0
# SETUP
A.pinMode(2, A.OUTPUT)
A.digitalWrite(2, A.LOW)
A.pinMode(3, A.OUTPUT)
A.digitalWrite(3, A.LOW)
A.pinMode(4, A.OUTPUT)
A.digitalWrite(4, A.LOW)
# LOOP
while True:
sensorVal = A.analogRead(SENSOR_PIN_A0)
voltage = (sensorVal / 1024.0) * 5.0
temperature = (voltage - 0.5) * 100
print("Sensor value: " + str(sensorVal) + ", Volts: " + str(voltage) +", Degrees C: " + str(temperature) + ".")
# if the current temperature is lower than the baseline turn off all LEDs
if temperature < BASELINE_TEMP:
A.digitalWrite(2, A.LOW)
def startArduino(outs):
for i in range(len(outs)):
Arduino.pinMode(outs[i], Arduino.OUTPUT)
Arduino.digitalWrite(outs[i], 0)
def rw(self, **data):
print data
Arduino.digitalWrite(self.cp1, 1)
Arduino.digitalWrite(self.cp2, 0)
Arduino.analogWrite(self.ep, data['speed'])
# Adjust for gravity steps = options.steps if options.steps > 0 else options.steps + -100 print 'Motor Steps:', steps # revsteps, pin1, pin2, speed motor = Stepper(200, 12, 13, 50) # Setup pins Arduino.pinMode(3, Arduino.OUTPUT) Arduino.pinMode(11, Arduino.OUTPUT) Arduino.pinMode(9, Arduino.OUTPUT) Arduino.pinMode(8, Arduino.OUTPUT) # Turn off the brakes Arduino.digitalWrite(9, Arduino.LOW) Arduino.digitalWrite(8, Arduino.LOW) # Turn on pulse width modulation Arduino.digitalWrite(3, Arduino.HIGH) Arduino.digitalWrite(11, Arduino.HIGH) motor.step(steps) # Turn off pulse width modulation Arduino.digitalWrite(3, Arduino.LOW) Arduino.digitalWrite(11, Arduino.LOW) # Turn on the brakes Arduino.digitalWrite(9, Arduino.HIGH) Arduino.digitalWrite(8, Arduino.HIGH)
#!/usr/bin/env python
# Author: Andrea Stagi <*****@*****.**>
# Description: keeps your led blinking
# Dependencies: None
from nanpy import Arduino
Arduino.pinMode(13, Arduino.OUTPUT)
for i in range(10000):
Arduino.digitalWrite(13, (i + 1) % 2)
Arduino.delay(10)
from nanpy import Arduino as A
# setup
A.pinMode(1, A.OUTPUT)
while True:
A.digitalWrite(1, HIGH)
A.delay(400)
A.digitalWrite(1, LOW)
A.delay(400)
def init_mashing(batch):
# (Re)set defaults for batch
set_batch_defaults(batch)
set_variable('active_mashingprocess_batch_id', str(batch.id))
# Initialize Arduino with Nanpy
if not settings.ARDUINO_SIMULATION:
sensor = DallasTemperature(ARDUINO_TEMPERATURE_PIN)
addr = sensor.getAddress(ARDUINO_TEMPERATURE_PIN)
Arduino.pinMode(ARDUINO_HEAT_PIN, Arduino.OUTPUT)
Arduino.pinMode(ARDUINO_COOL_PIN, Arduino.OUTPUT)
Arduino.pinMode(ARDUINO_STATUS_PIN, Arduino.OUTPUT)
Arduino.digitalWrite(ARDUINO_HEAT_PIN, Arduino.LOW)
Arduino.digitalWrite(ARDUINO_COOL_PIN, Arduino.LOW)
Arduino.digitalWrite(ARDUINO_STATUS_PIN, Arduino.HIGH)
else:
# Set initial dummy temperature
batch.temperature = 20 # Testing purpose only
batch.save()
batch = Batch.objects.get(id=batch.id)
# Run Mashing proces
while get_variable('active_mashingprocess_batch_id', 'None') == str(batch.id):
# Measure data
measured_data = {}
if settings.ARDUINO_SIMULATION:
measured_data['temp'] = get_dummy_temperature(batch)
else:
sensor.requestTemperatures()
measured_data['temp'] = sensor.getTempC(addr)
# Define actions depending on measured data
batch = process_measured_data(batch.id, measured_data)
# Send updates to arduino
if not settings.ARDUINO_SIMULATION:
send_updates_to_arduino(batch)
# Send to logging department
handle_logging(batch)
# Delay
sleep(DELAY_BETWEEN_MEASUREMENTS)
Arduino.digitalWrite(ARDUINO_STATUS_PIN, Arduino.LOW)
Arduino.digitalWrite(ARDUINO_COOL_PIN, Arduino.LOW)
Arduino.digitalWrite(ARDUINO_HEAT_PIN, Arduino.LOW)
return 'Mashing proces ended'
