def lcd_toggle_enable(): # Toggle enable time.sleep(E_DELAY) GPIO.output(LCD_E, True) time.sleep(E_PULSE) GPIO.output(LCD_E, False) time.sleep(E_DELAY)
def init(delay=0.0015):
global running, StepCount, StepDir, stepsToDo, StepPosition, StepPins
global StepCounter, Seq, WaitTime
# Use physical pin numbers
GPIO.setmode(GPIO.BCM)
# Define GPIO signals to use
# StepPins = [35,36,32,33] # RoboHat
StepPins = [4, 17, 27, 18] # ZeroPoint
# Set all pins as output
for pin in StepPins:
GPIO.setup(pin, GPIO.OUT)
GPIO.output(pin, False)
# Define pin sequence
Seq = [[1, 0, 0, 1], [1, 0, 1, 0], [0, 1, 1, 0], [0, 1, 0, 1]]
StepCount = len(Seq)
StepDir = 1 # 1 == clockwise, -1 = anticlockwise
StepsToDo = 0 #number of steps to move
StepPosition = 0 # current steps anti-clockwise from the zero position
# Initialise variables
StepCounter = 0
WaitTime = delay
running = True
# Move pointer to zero position
StepDir = -1
stepsToDo = 700
step()
def setup():
GPIO.setmode(GPIO.BCM)
for l in LED_GPIO:
GPIO.setup(l, GPIO.OUT)
GPIO.output(l, False)
for b in BUTTON_GPIO:
GPIO.setup(b, GPIO.IN)
def _set_state(self, value):
if self._pwm:
try:
self._pwm.ChangeDutyCycle(value * 100)
except ValueError:
raise PinInvalidState('invalid state "%s" for pin %r' % (value, self))
self._duty_cycle = value
else:
try:
GPIO.output(self._number, value)
except ValueError:
raise PinInvalidState('invalid state "%s" for pin %r' % (value, self))
except RuntimeError:
raise PinSetInput('cannot set state of pin %r' % self)
def executeSonosCommand(sonosUri):
print("Calling '%s'" % sonosUri)
# Send command
response = requests.get(sonosUri)
print(response.json())
json_response = response.json()
json_response = str(json_response)
success = "success"
if success in json_response:
print("Sending success signal to LED")
# Turn On Pin 12 for x Seconds
GPIO.setup(12, GPIO.OUT)
GPIO.output(12, GPIO.HIGH)
time.sleep(5)
GPIO.output(12, GPIO.LOW)
# End Turn On Pin 12 for x Seconds
else:
print("Sonos Node Server Error")
# Turn On Pin 31 for x Seconds
GPIO.setup(31, GPIO.OUT)
GPIO.output(31, GPIO.HIGH)
time.sleep(5)
GPIO.output(31, GPIO.LOW)
# End Turn On Pin 31 for x Seconds
if(response.status_code == 200):
return True
else:
return False
def loop():
old_first = False
old_left = False
old_right = False
old_last = False
index = 0
while True:
# POLL BUTTONS
# remember they are inverted
first = not GPIO.input(BUTTON_FIRST)
left = not GPIO.input(BUTTON_LEFT)
right = not GPIO.input(BUTTON_RIGHT)
last = not GPIO.input(BUTTON_LAST)
# REPORT ANY CHANGED BUTTONS
if first != old_first:
print("FIRST=" + str(first))
old_first = first
if left != old_left:
print("LEFT=" + str(left))
old_left = left
if right != old_right:
print("RIGHT=" + str(right))
old_right = right
if last != old_last:
print("LAST=" + str(last))
old_last = last
# PROCESS HELD BUTTONS IN PRIORITY ORDER
if first:
index = 0
elif last:
index = len(LED_GPIO) - 1
elif left:
if index > 0:
index -= 1
elif right:
if index < len(LED_GPIO) - 1:
index += 1
# FLASH PRESENTLY SELECTED LED
GPIO.output(LED_GPIO[index], True)
time.sleep(FLASH_TIME / 2)
GPIO.output(LED_GPIO[index], False)
time.sleep(FLASH_TIME / 2)
def _set_state(self, value):
if self._pwm:
try:
self._pwm.ChangeDutyCycle(value * 100)
except ValueError:
raise PinInvalidState('invalid state "%s" for pin %r' %
(value, self))
self._duty_cycle = value
else:
try:
GPIO.output(self._number, value)
except ValueError:
raise PinInvalidState('invalid state "%s" for pin %r' %
(value, self))
except RuntimeError:
raise PinSetInput('cannot set state of pin %r' % self)
def startprocess(self):
GPIO.output(self.TRIG, True)
sleep(0.00001)
GPIO.output(self.TRIG, False)
while GPIO.input(self.ECHO)==0:
starttime=time.time()
while GPIO.input(self.ECHO)==1:
stoptime=time.time()
if stoptime-starttime > l_of_box/speedofmoter:
lol=False
break
if lol!= False:
d_cm=(stoptime-starttime)*34300
if d_cm > l_of_box:
return "go"
else:
# if goinginx==True:
# objfinded(objco=[mycoo[0]+1,mycoo[1]])
# elif goinginy==True:
# objfinded(objco=[mycoo[0],mycoo[1]+1])
return "wait"
else:
return "go"
def distance(self,a=1):
GPIO.output(self.TRIG, False)
GPIO.output(self.TRIG, True)
sleep(0.00001)
GPIO.output(self.TRIG, False)
while GPIO.input(self.ECHO)==0:
starttime=time.time()
while GPIO.input(self.ECHO)==1:
stoptime=time.time()
d_cm=(stoptime-starttime)*34300
if d_cm>20:
break
if a==1:
return d_cm
elif a==2:
if d_cm>19:
return "go"
else:
return "turn"
def step():
global running, StepCounter, stepsToDo
while running and stepsToDo > 0:
for pin in range(0, 4):
xpin = StepPins[pin] # Get GPIO
if Seq[StepCounter][pin] != 0:
GPIO.output(xpin, True)
else:
GPIO.output(xpin, False)
StepCounter += StepDir
if (StepCounter >= StepCount):
StepCounter = 0
if (StepCounter < 0):
StepCounter = StepCount + StepDir
stepsToDo -= 1
#print stepsToDo
time.sleep(WaitTime)
# clear the output pins
for pin in StepPins:
GPIO.output(pin, False)
running = False
from RTk import GPIO
from time import sleep
Green_LED = 26
Amber_LED = 19
Red_LED = 13
GPIO.setmode(GPIO.BCM)
GPIO.setup(Green_LED, GPIO.OUT)
GPIO.setup(Amber_LED, GPIO.OUT)
GPIO.setup(Red_LED, GPIO.OUT)
Doze = 2.0
while True:
GPIO.output(Red_LED, 1)
sleep(Doze)
GPIO.output(Red_LED, 0)
GPIO.output(Amber_LED, 0)
sleep(Doze / 4)
GPIO.output(Amber_LED, 1)
sleep(Doze / 4)
GPIO.output(Amber_LED, 0)
sleep(Doze / 4)
GPIO.output(Amber_LED, 1)
sleep(Doze / 4)
GPIO.output(Amber_LED, 0)
sleep(Doze / 4)
GPIO.output(Amber_LED, 1)
sleep(Doze / 4)
GPIO.output(Amber_LED, 0)
sleep(Doze / 4)
import RTk.GPIO as GPIO
from threading import Thread
BUTTON = 25
RED = 24
YEL = 23
GRN = 22
GPIO.setmode(GPIO.BCM)
GPIO.setup(RED, GPIO.OUT)
GPIO.setup(YEL, GPIO.OUT)
GPIO.setup(GRN, GPIO.OUT)
GPIO.setup(BUTTON, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.output(GRN, True)
def pinread():
while True:
time.sleep(TIME)
b = GPIO.input(BUTTON)
if not b:
print("pressed")
else:
print("released")
def pinwrite():
while True:
GPIO.output(GRN, False)
def pinwrite():
while True:
GPIO.output(GRN, False)
GPIO.output(YEL, True)
time.sleep(TIME * 10)
GPIO.output(YEL, False)
GPIO.output(RED, True)
time.sleep(TIME * 10)
GPIO.output(YEL, True)
time.sleep(TIME * 10)
GPIO.output(RED, False)
GPIO.output(YEL, False)
GPIO.output(GRN, True)
time.sleep(TIME * 10)
#!/usr/bin/env python3
from RTk import GPIO
from time import sleep
GREEN_LED = 5
RED_LED = 6
BLUE_LED = 13
GPIO.setmode(GPIO.BCM)
GPIO.setup(GREEN_LED, GPIO.OUT)
GPIO.setup(RED_LED, GPIO.OUT)
GPIO.setup(BLUE_LED, GPIO.OUT)
while True:
GPIO.output(GREEN_LED, 0)
GPIO.output(RED_LED, 0)
GPIO.output(BLUE_LED, 0)
sleep(0.5)
GPIO.output(GREEN_LED, 1)
sleep(0.5)
GPIO.output(GREEN_LED, 0)
GPIO.output(RED_LED, 1)
sleep(0.5)
GPIO.output(RED_LED, 0)
GPIO.output(BLUE_LED, 1)
sleep(0.5)
def off(self):
GPIO.output(self.pin, False)
def init(pin):
GPIO.setup(pin,GPIO.OUT)
GPIO.output(pin,False)
def moveB(self,s=30):
self.p.ChangeDutyCycle(s)
GPIO.output(self.in1,False)
GPIO.output(self.in2,True)
def motor_control(direction):
# print direction
if (direction == "fwd"):
GPIO.output(12, True)
GPIO.output(13, False)
GPIO.output(5, False)
GPIO.output(6, False)
print("forward position led flow")
if (direction == "bwd"):
GPIO.output(13, True)
GPIO.output(12, False)
GPIO.output(5, False)
GPIO.output(6, False)
print("backward position led flow")
if (direction == "left"):
GPIO.output(5, True)
GPIO.output(12, False)
GPIO.output(13, False)
GPIO.output(6, False)
print("LEFT position led flow")
if (direction == "right"):
GPIO.output(6, True)
GPIO.output(5, False)
GPIO.output(12, False)
GPIO.output(13, False)
print("RIGHT position led flow")
if (direction == "stop"):
GPIO.setmode(GPIO.BCM)
GPIO.output(12, False)
GPIO.output(13, False)
GPIO.output(5, False)
GPIO.output(6, False)
print("STOP position led flow")
def movef(self,s=30):
self.p.ChangeDutyCycle(s)
# GPIO.PWM(self.Ena,1000).ChangeDutyCycle(s)
GPIO.output(self.in1,True)
GPIO.output(self.in2,False)
import RTk.GPIO as GPIO
outputs = [22, 23, 24, 5]
BUTT = 25
GPIO.setmode(GPIO.BCM)
sleep(t)
GPIO.setup(outputs, GPIO.OUT)
sleep(t)
GPIO.setup(BUTT, GPIO.IN)
sleep(t)
try:
while True:
GPIO.output(22, True)
sleep(t)
GPIO.output(23, True)
sleep(t)
GPIO.output(24, True)
sleep(2)
GPIO.output(22, False)
sleep(t)
GPIO.output(23, False)
sleep(t)
GPIO.output(24, False)
sleep(2)
finally:
GPIO.cleanup()
from RTk import GPIO
import time
LED_PIN = 4
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
GPIO.setup(LED_PIN, GPIO.OUT)
while True:
print("LED on")
GPIO.output(LED_PIN, GPIO.HIGH)
time.sleep(1)
print("LED off")
GPIO.output(LED_PIN, GPIO.LOW)
time.sleep(1)
def on(self):
GPIO.output(self.pin, True)
OUT2 = 23
OUT3 = 24
OUT4 = 25
GPIO.setmode(GPIO.BCM)
GPIO.setup(RED, GPIO.OUT)
GPIO.setup(YEL, GPIO.OUT)
GPIO.setup(GRN, GPIO.OUT)
GPIO.setup(OUT1, GPIO.OUT)
GPIO.setup(OUT2, GPIO.OUT)
GPIO.setup(OUT3, GPIO.OUT)
GPIO.setup(OUT4, GPIO.OUT)
try:
while True:
GPIO.output(RED, True)
sleep(t)
GPIO.output(YEL, True)
sleep(t)
GPIO.output(GRN, True)
sleep(t)
GPIO.output(OUT1, True)
sleep(t)
GPIO.output(OUT2, True)
sleep(t)
GPIO.output(OUT3, True)
sleep(t)
GPIO.output(OUT4, True)
sleep(t)
GPIO.output(RED, False)
sleep(t)
# testLED.py - 06/06/2014 D.J.Whale
# Modified by Ryan Walmsley
# Test flashing an LED
from time import sleep
t = 0.01
# RTk.GPIO
import RTk.GPIO as GPIO
P = 22
GPIO.setmode(GPIO.BCM)
GPIO.setup(P, GPIO.OUT)
while True:
GPIO.output(P, True)
sleep(t)
GPIO.output(P, False)
sleep(t)
# END
def Stop(self):
GPIO.output(self.in1,False)
GPIO.output(self.in2,False)
self.p.ChangeDutyCycle(0)
def lcd_byte(bits, mode):
# Send byte to data pins
# bits = data
# mode = True for character
# False for command
GPIO.output(LCD_RS, mode) # RS
# High bits
GPIO.output(LCD_D4, False)
GPIO.output(LCD_D5, False)
GPIO.output(LCD_D6, False)
GPIO.output(LCD_D7, False)
if bits&0x10==0x10:
GPIO.output(LCD_D4, True)
if bits&0x20==0x20:
GPIO.output(LCD_D5, True)
if bits&0x40==0x40:
GPIO.output(LCD_D6, True)
if bits&0x80==0x80:
GPIO.output(LCD_D7, True)
# Toggle 'Enable' pin
lcd_toggle_enable()
# Low bits
GPIO.output(LCD_D4, False)
GPIO.output(LCD_D5, False)
GPIO.output(LCD_D6, False)
GPIO.output(LCD_D7, False)
if bits&0x01==0x01:
GPIO.output(LCD_D4, True)
if bits&0x02==0x02:
GPIO.output(LCD_D5, True)
if bits&0x04==0x04:
GPIO.output(LCD_D6, True)
if bits&0x08==0x08:
GPIO.output(LCD_D7, True)
# Toggle 'Enable' pin
lcd_toggle_enable()
def __init__(self,TRIG,ECHO):
self.TRIG=TRIG
self.ECHO=ECHO
GPIO.setup(self.TRIG,GPIO.OUT)
GPIO.setup(self.ECHO,GPIO.IN)
GPIO.output(self.TRIG, False)
def __init__(self, pin):
self.pin = pin
GPIO.setup(pin, GPIO.OUT)
GPIO.output(pin, False)
is_test = args.test
SonosController.SONOS_BASE_URI = args.sonosUri
SonosController.SONOS_ROOM = args.sonosRoom
last_nfc_uri = ""
last_time = datetime.now() - timedelta(seconds=60)
debounce = timedelta(seconds=args.debounce)
card_timeout = timedelta(seconds=args.cardTimeout)
MIFAREReader = MFRC522.MFRC522()
## _________LED Test____________
# Turn On IO 29 for x Seconds
GPIO.setup(29, GPIO.OUT)
GPIO.output(29, GPIO.HIGH)
time.sleep(1)
GPIO.output(29, GPIO.LOW)
# End Turn On Pin 29 for x Seconds
## _________End LED Test____________
print("Add NFC Tag ...")
# Program start
# This loop keeps checking for chips. If one is near it will get the UID and authenticate
while continue_reading:
now = datetime.now()
# Debounce card reader
if last_time + debounce > now:
Green_LED = 26
Amber_LED = 19
Red_LED = 13
G2LED = 4
A2LED = 3
R2LED = 2
GPIO.setmode(GPIO.BCM)
GPIO.setup(Green_LED, GPIO.OUT)
GPIO.setup(Amber_LED, GPIO.OUT)
GPIO.setup(Red_LED, GPIO.OUT)
GPIO.setup(G2LED, GPIO.OUT)
GPIO.setup(A2LED, GPIO.OUT)
GPIO.setup(R2LED, GPIO.OUT)
Doze = 2.0
AllLED = (Green_LED, Amber_LED, Red_LED, G2LED, A2LED, R2LED)
#def AllOff():
for count in AllLED:
print(count)
GPIO.output(count, 1)
sleep(Doze)
GPIO.output(count, 0)
sleep(Doze)
#TrafficHAT KS Demo
from time import sleep
t = 0.1
import RTk.GPIO as GPIO
gpios = [
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26, 27
]
GPIO.setmode(GPIO.BCM)
while True:
for cGPIO in gpios:
print("Testing GPIO", cGPIO)
GPIO.setup(cGPIO, GPIO.OUT)
raw_input("Press enter to continue")
GPIO.output(cGPIO, 1)
sleep(1)
for cGPIO in gpios:
#sleep(t)
raw_input("Press enter to continue")
GPIO.output(cGPIO, 0)
#sleep(t)
sleep(1)
def motor_control(direction):
# print direction
if (direction == "fwd"):
GPIO.output(12, True)
GPIO.output(13, False)
GPIO.output(5, False)
GPIO.output(6, False)
print ("forward position led flow")
if (direction == "bwd"):
GPIO.output(13, True)
GPIO.output(12, False)
GPIO.output(5, False)
GPIO.output(6, False)
print ("backward position led flow")
if (direction == "left"):
GPIO.output(5, True)
GPIO.output(12, False)
GPIO.output(13, False)
GPIO.output(6, False)
print ("LEFT position led flow")
if (direction == "right"):
GPIO.output(6, True)
GPIO.output(5, False)
GPIO.output(12, False)
GPIO.output(13, False)
print ("RIGHT position led flow")
if (direction == "stop"):
GPIO.setmode(GPIO.BCM)
GPIO.output(12, False)
GPIO.output(13, False)
GPIO.output(5, False)
GPIO.output(6, False)
print ("STOP position led flow")