def __new__(cls, number):
if not cls._PINS:
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
if cls.PI_INFO is None:
cls.PI_INFO = pi_info("900092")
#Fake a Pi Zero 1.2, Closest device as just has GPIO Pins and no camera.
#cls.PI_INFO = 900092
try:
return cls._PINS[number]
except KeyError:
self = super(RTkGPIOPin, cls).__new__(cls)
try:
cls.PI_INFO.physical_pin('GPIO%d' % number)
except PinNoPins:
warnings.warn(
PinNonPhysical('no physical pins exist for GPIO%d' %
number))
self._number = number
self._pull = 'up' if cls.PI_INFO.pulled_up('GPIO%d' %
number) else 'floating'
self._pwm = None
self._frequency = None
self._duty_cycle = None
self._bounce = -666
self._when_changed = None
self._edges = GPIO.BOTH
GPIO.setup(self._number, GPIO.IN, self.GPIO_PULL_UPS[self._pull])
cls._PINS[number] = self
return self
def __new__(cls, number):
if not cls._PINS:
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
if cls.PI_INFO is None:
cls.PI_INFO = pi_info("900092")
#Fake a Pi Zero 1.2, Closest device as just has GPIO Pins and no camera.
#cls.PI_INFO = 900092
try:
return cls._PINS[number]
except KeyError:
self = super(RTkGPIOPin, cls).__new__(cls)
try:
cls.PI_INFO.physical_pin('GPIO%d' % number)
except PinNoPins:
warnings.warn(
PinNonPhysical(
'no physical pins exist for GPIO%d' % number))
self._number = number
self._pull = 'up' if cls.PI_INFO.pulled_up('GPIO%d' % number) else 'floating'
self._pwm = None
self._frequency = None
self._duty_cycle = None
self._bounce = -666
self._when_changed = None
self._edges = GPIO.BOTH
GPIO.setup(self._number, GPIO.IN, self.GPIO_PULL_UPS[self._pull])
cls._PINS[number] = self
return self
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 main():
# Main program block
#GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM) # Use BCM GPIO numbers
GPIO.setup(LCD_E, GPIO.OUT) # E
GPIO.setup(LCD_RS, GPIO.OUT) # RS
GPIO.setup(LCD_D4, GPIO.OUT) # DB4
GPIO.setup(LCD_D5, GPIO.OUT) # DB5
GPIO.setup(LCD_D6, GPIO.OUT) # DB6
GPIO.setup(LCD_D7, GPIO.OUT) # DB7
# Initialise display
lcd_init()
while True:
# Send some test
lcd_string("RTk.GPIO",LCD_LINE_1)
lcd_string("16x2 LCD Test",LCD_LINE_2)
time.sleep(3) # 3 second delay
# Send some text
lcd_string("1234567890123456",LCD_LINE_1)
lcd_string("abcdefghijklmnop",LCD_LINE_2)
time.sleep(3) # 3 second delay
# Send some text
lcd_string("Code by",LCD_LINE_1)
lcd_string("RPiSPY",LCD_LINE_2)
time.sleep(3)
# Send some text
lcd_string("Wow, Very LCD",LCD_LINE_1)
lcd_string("Such Magic",LCD_LINE_2)
time.sleep(3)
lcd_string("All done on a", LCD_LINE_1)
lcd_string("Desktop Computer", LCD_LINE_2)
time.sleep(3)
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 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")
#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)
#import RPi.GPIO as GPIO
# For RTK.GPIO board
#from RTk import GPIO
import RTk.GPIO as GPIO
import MFRC522
import argparse
import math
import NFCHelper
import signal
import SonosController
# time added for LEDs
import time
## _________LED Setup____________
# Set GPIO to Broadcom chip used in Raspberry Pi
GPIO.setmode(GPIO.BOARD)
## _________End LED Setup____________
continue_reading = True
is_test = False
## Capture SIGINT for cleanup when the script is aborted
def end_read(signal, frame):
global continue_reading
print("Ctrl+C captured, ending read.")
continue_reading = False
GPIO.cleanup()
print("GPIO Cleaned")
def setup(): GPIO.setmode(GPIO.BCM) GPIO.setup(BUTTON, GPIO.IN)
#Program that tests each pin of the RTk.GPIO port
#Import the RTk.GPIO Board
import RTk.GPIO as RTKGPIO
#And now the RPi header
import RPi.GPIO as RPIGPIO
import sys
from time import sleep
#Set the modes
RPIGPIO.setmode(RPIGPIO.BCM)
RTKGPIO.setmode(RTKGPIO.BCM)
#
#Define GPIO pins
gpios = [
4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25
]
#2,3,26 and 27 removed for now
errorPins = []
print("Setting up GPIO Outs on the RTK Board")
#Setup the RPi
for gpio in gpios:
print(gpio)
RTKGPIO.setup(gpio, RTKGPIO.IN)
#sleep(0.1)
print("Setting up GPIO Ins on the RPi Board")
for gpio in gpios:
print(gpio)
# client side
import time
# import RPi.GPIO as GPIO
from RTk import GPIO
GPIO.setmode(GPIO.BCM)
GPIO.setup(12, GPIO.OUT)
GPIO.setup(13, GPIO.OUT)
GPIO.setup(5, GPIO.OUT)
GPIO.setup(6, GPIO.OUT)
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")
#import RPi.GPIO as GPIO
import RTk.GPIO as GPIO
import time
GPIO.setmode(GPIO.BCM) # Broadcom pin-numbering scheme
ledPin = 21
GPIO.setup(ledPin, GPIO.OUT)
GPIO.output(ledPin, GPIO.HIGH)
time.sleep(0.2)
GPIO.output(ledPin, GPIO.LOW)
time.sleep(0.2)
ledPin = 20
while True:
GPIO.setup(ledPin, GPIO.OUT)
GPIO.output(ledPin, GPIO.HIGH)
time.sleep(0.002)
GPIO.output(ledPin, GPIO.LOW)
time.sleep(0.002)
