def __init__(self, simulated):
"""
__init__ is called at startup
"""
self.simulatedHw = simulated
if self.simulatedHw:
self.doorStateUp = False
else:
# create an instance of Bus 1 which is on I2C address 0x21 by default
self.bus = IOPi(0x20)
# set pins 1 to 8 to be outputs and turn them off
self.bus.set_port_direction(0, 0x00)
self.bus.write_port(0, 0x00)
# set pins 9 to 16 to be inputs and turn pull-up on
self.bus.set_port_direction(1, 1)
self.bus.set_port_pullups(1, 1)
self.timeToMove = 20
if self.detect_door_down():
self.doorStateUp = False
elif self.detect_door_up():
self.doorStateUp = True
else:
# reboot while undetermined state -> close door
self.doorStateUp = True
self.motor_down()
def main():
"""
Main program function
"""
passed = True
iopi = IOPi(0x20, False) # new iopi object without initialisation
for a in range(1, 65536):
iopi.set_interrupt_on_bus(a)
x = iopi.get_interrupt_on_bus()
if x != a:
passed = False
break
iopi.set_interrupt_on_bus(a)
x = iopi.get_interrupt_on_bus()
if x != a:
passed = False
break
if passed is False:
print("Test Failed")
else:
print("Test Passed")
def main():
"""
Main program function
"""
bus = IOPi(0x21)
bus.set_port_direction(0, 0x00)
bus.write_port(0, 0x00)
while True:
bus.write_pin(1, 1)
time.sleep(1)
bus.write_pin(1, 0)
time.sleep(1)
def main():
"""
Main program function
"""
bus = IOPi(0x20)
bus.set_port_direction(0, 0x00)
bus.write_port(0, 0x00)
while True:
for count in range(0, 255):
bus.write_port(0, count)
time.sleep(0.5)
bus.write_port(0, 0x00)
def __init__(self):
"""
__init__ is called at startup
"""
# create an instance of Bus 1 which is on I2C address 0x21 by default
self.bus = IOPi(0x20)
# set pins 1 to 8 to be outputs and turn them off
self.bus.set_port_direction(0, 0x00)
self.bus.write_port(0, 0x00)
# set pins 9 to 16 to be inputs and turn pullup on
self.bus.set_port_direction(1, 1)
self.bus.set_port_pullups(1, 1)
def main():
"""
Main program function
"""
bus = IOPi(0x21)
bus.set_port_direction(0, 0x00)
bus.write_port(0, 0x00)
while True:
bus.write_pin(1, 1)
print('Motherfucking blink')
time.sleep(1)
bus.write_pin(1, 0)
time.sleep(1)
def hardware_initialise(self):
# Initialise hardware
for n in range(0, self.numstopio):
self.sbuses.append(IOPi(self.stopaddr[n]))
for n in range(0, self.numstopio):
self.hardware_initialise_stops(self.sbuses[n], self.stopwport,
self.stoprport)
def __init__(self, master):
"""
__init__ is called at startup
"""
# create an instance of Bus 2 which is on I2C address 0x21 by default
self.bus2 = IOPi(0x21)
# set pins 1 to 8 to be outputs and turn them off
self.bus2.set_port_direction(0, 0x00)
self.bus2.write_port(0, 0x00)
# set pins 9 to 16 to be outputs and turn them off
self.bus2.set_port_direction(1, 0x00)
self.bus2.write_port(1, 0x00)
self.build_ui(master)
def main():
"""
Main program function
"""
passed = True
iopi = IOPi(0x20, False) # new iopi object without initialisation
# Logic Analyser Check
print("Logic output Started")
iopi.reset_interrupts()
print("Logic output Ended")
if passed is False:
print("Test Failed")
def main():
"""
Main program function
"""
bus = IOPi(0x20)
bus.set_port_direction(0, 0x00)
bus.write_port(0, 0x00)
while True:
for count in range(0, 255):
bus.write_port(0, count)
time.sleep(0.5)
bus.write_port(0, 0x00)
def hardware_initialise(self):
for n in range(0, len(self.noteaddr)):
self.nbuses.append(IOPi(self.noteaddr[n]))
self.notecheck = "0" * 8 * len(self.nbuses)
for n in range(0, self.numstopio):
self.sbuses.append(IOPi(self.stopaddr[n]))
if self.numpresetio > 0:
for n in range(0, self.numpresetio):
self.pbuses.append(IOPi(self.presetaddr[n]))
for n in range(0, len(self.noteaddr)):
if self.switchtype == "matrix":
self.hardware_initialise_matrix(self.nbuses[n], self.notewport,
self.noterport)
if self.switchtype == "linear":
self.hardware_initialise_linear(self.nbuses[n])
for n in range(0, self.numstopio):
self.hardware_initialise_stops(self.sbuses[n], self.stopwport,
self.stoprport)
if self.numpresetio > 0:
for n in range(0, self.numpresetio):
self.hardware_initialise_presets(self.pbuses[n])
def main():
"""
Main program function
"""
passed = True
iopi = IOPi(0x20, False) # new iopi object without initialisation
# Check write_bus value for low out of bounds
try:
iopi.write_bus(-1)
pass
except ValueError:
print("value low boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("value low boundary check: FAILED")
pass
# Check write_bus value for high out of bounds
try:
iopi.write_bus(65536)
pass
except ValueError:
print("value high boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("value high boundary check: FAILED")
pass
# Logic Analyser Check
print("Logic output Started")
for x in range(0, 65536):
iopi.write_bus(x)
print("Logic output Ended")
if passed is False:
print("Test Failed")
def main():
"""
Main program function
"""
passed = True
iopi = IOPi(0x20, False) # new iopi object without initialisation
# Check read_interrupt_capture port for low out of bounds
try:
iopi.read_interrupt_capture(-1)
pass
except ValueError:
print("port low boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("port low boundary check: FAILED")
pass
# Check read_interrupt_capture port for high out of bounds
try:
iopi.read_interrupt_capture(2)
pass
except ValueError:
print("port high boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("port high boundary check: FAILED")
pass
# Logic Analyser Check
print("Logic output Started")
iopi.read_interrupt_capture(0)
iopi.read_interrupt_capture(1)
print("Logic output Ended")
if passed is False:
print("Test Failed")
def __init__(self, master):
"""
__init__ is called at startup
"""
# create an instance of Bus 2 which is on I2C address 0x21 by default
self.bus2 = IOPi(0x21)
# set pins 1 to 8 to be outputs and turn them off
self.bus2.set_port_direction(0, 0x00)
self.bus2.write_port(0, 0x00)
# set pins 9 to 16 to be outputs and turn them off
self.bus2.set_port_direction(1, 0x00)
self.bus2.write_port(1, 0x00)
self.build_ui(master)
def main():
"""
Main program function
"""
passed = True
iopi = IOPi(0x20, False) # new iopi object without initialisation
# Reset to 0x00
iopi.write_bus(0x0000)
iopi.set_bus_direction(0xFFFF)
# Logic Analyser Check
print("Logic output Started")
iopi.read_bus()
print("Logic output Ended")
if passed is False:
print("Test Failed")
def main():
"""
Main program function
"""
passed = True
iopi = IOPi(0x20, False) # new iopi object without initialisation
iopi.set_interrupt_polarity(0)
x = iopi.get_interrupt_polarity()
if x != 0:
passed = False
iopi.set_interrupt_polarity(1)
x = iopi.get_interrupt_polarity()
if x != 1:
passed = False
if passed is False:
print("Test Failed")
else:
print("Test Passed")
def main():
'''
Main program function
'''
# Create an instance of the IOPi class with an I2C address of 0x20
iobus = IOPi(0x20)
# Set all pins on the IO bus to be inputs with internal pull-ups enabled.
iobus.set_port_pullups(0, 0xFF)
iobus.set_port_pullups(1, 0xFF)
iobus.set_port_direction(0, 0xFF)
iobus.set_port_direction(1, 0xFF)
# invert the ports so pulling a pin to ground will show as 1 instead of 0
iobus.invert_port(0, 0xFF)
iobus.invert_port(1, 0xFF)
# Set the interrupt polarity to be active high and mirroring enabled, so
# pin 1 will trigger both INT A and INT B when a pin is grounded
iobus.set_interrupt_polarity(1)
iobus.mirror_interrupts(1)
# Set the interrupts default value to 0
iobus.set_interrupt_defaults(0, 0x00)
iobus.set_interrupt_defaults(1, 0x00)
# Set the interrupt type to be 1 for ports A and B so an interrupt is
# fired when a state change occurs
iobus.set_interrupt_type(0, 0x00)
iobus.set_interrupt_type(1, 0x00)
# Enable interrupts for pin 1
iobus.set_interrupt_on_port(0, 0x01)
iobus.set_interrupt_on_port(1, 0x00)
timer = threading.Thread(target=background_thread(iobus))
timer.daemon = True # set thread to daemon ('ok' won't be printed)
timer.start()
while 1:
"""
Do something in the main program loop while the interrupt checking
is carried out in the background
"""
# wait 1 seconds
time.sleep(1)
class App:
"""
Application Class
"""
bus2 = None
def __init__(self, master):
"""
__init__ is called at startup
"""
# create an instance of Bus 2 which is on I2C address 0x21 by default
self.bus2 = IOPi(0x21)
# set pins 1 to 8 to be outputs and turn them off
self.bus2.set_port_direction(0, 0x00)
self.bus2.write_port(0, 0x00)
# set pins 9 to 16 to be outputs and turn them off
self.bus2.set_port_direction(1, 0x00)
self.bus2.write_port(1, 0x00)
self.build_ui(master)
def build_ui(self, master):
"""
Build the UI using tkinter components
"""
frame = tk.Frame(master) # create a frame for the GUI
frame.pack()
# create 16 buttons which run the toggle function when pressed
self.button = tk.Button(frame,
text="Pin 1", command=lambda: self.toggle(1))
self.button.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 2", command=lambda: self.toggle(2))
self.slogan.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 3", command=lambda: self.toggle(3))
self.slogan.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 4", command=lambda: self.toggle(4))
self.slogan.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 5", command=lambda: self.toggle(5))
self.slogan.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 6", command=lambda: self.toggle(6))
self.slogan.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 7", command=lambda: self.toggle(7))
self.slogan.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 8", command=lambda: self.toggle(8))
self.slogan.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 9", command=lambda: self.toggle(9))
self.slogan.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 10", command=lambda: self.toggle(10))
self.slogan.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 11", command=lambda: self.toggle(11))
self.slogan.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 12", command=lambda: self.toggle(12))
self.slogan.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 13", command=lambda: self.toggle(13))
self.slogan.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 14", command=lambda: self.toggle(14))
self.slogan.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 15", command=lambda: self.toggle(15))
self.slogan.pack(side=tk.LEFT)
self.slogan = tk.Button(frame,
text="Pin 16", command=lambda: self.toggle(16))
self.slogan.pack(side=tk.LEFT)
def toggle(self, pin):
"""
read the status from the selected pin, invert it and write it
back to the pin
"""
pinstatus = self.bus2.read_pin(pin)
if pinstatus == 1:
pinstatus = 0
else:
pinstatus = 1
self.bus2.write_pin(pin, pinstatus)
def main():
"""
Main program function
"""
# create two instances of the IoPi class called iobus1 and iobus2 and set
# the default i2c addresses
iobus1 = IOPi(0x20) # bus 1 will be inputs
iobus2 = IOPi(0x21) # bus 2 will be outputs
# Each bus is divided up two 8 bit ports. Port 0 controls pins 1 to 8,
# Port 1 controls pins 9 to 16.
# We will read the inputs on pin 1 of bus 1 so set port 0 to be inputs and
# enable the internal pull-up resistors
iobus1.set_port_direction(0, 0xFF)
iobus1.set_port_pullups(0, 0xFF)
# We will write to the output pin 1 on bus 2 so set port 0 to be outputs
# and turn off the pins on port 0
iobus2.set_port_direction(0, 0x00)
iobus2.write_port(0, 0x00)
while True:
# read pin 1 on bus 1. If pin 1 is high set the output on
# bus 2 pin 1 to high, otherwise set it to low.
# connect pin 1 on bus 1 to ground to see the output on
# bus 2 pin 1 change state.
if iobus1.read_pin(1) == 1:
iobus2.write_pin(1, 1)
else:
iobus2.write_pin(1, 0)
# wait 0.1 seconds before reading the pins again
time.sleep(0.1)
class Hardware:
"""
Hardware abstraction Class
"""
bus = None
def __init__(self, simulated):
"""
__init__ is called at startup
"""
self.simulatedHw = simulated
if self.simulatedHw:
self.doorStateUp = False
else:
# create an instance of Bus 1 which is on I2C address 0x21 by default
self.bus = IOPi(0x20)
# set pins 1 to 8 to be outputs and turn them off
self.bus.set_port_direction(0, 0x00)
self.bus.write_port(0, 0x00)
# set pins 9 to 16 to be inputs and turn pull-up on
self.bus.set_port_direction(1, 1)
self.bus.set_port_pullups(1, 1)
self.timeToMove = 20
if self.detect_door_down():
self.doorStateUp = False
elif self.detect_door_up():
self.doorStateUp = True
else:
# reboot while undetermined state -> close door
self.doorStateUp = True
self.motor_down()
def motor_stop(self):
"""
controls the H-bridge to stop the motor.
"""
if not self.simulatedHw:
# set all H-bridge switches to off
self.bus.write_pin(1, 0x00)
self.bus.write_pin(2, 0x00)
self.bus.write_pin(3, 0x00)
self.bus.write_pin(4, 0x00)
def motor_up(self):
"""
controls the H-bridge to move the motor in a specific direction.
"""
if not self.simulatedHw:
# avoid conflicts
self.motor_stop()
# enable up
self.bus.write_pin(1, 0x01)
self.bus.write_pin(3, 0x01)
time.sleep(self.timeToMove)
self.motor_stop()
self.doorStateUp = True
def motor_down(self):
"""
controls the H-bridge to move the motor in a specific direction.
"""
if not self.simulatedHw:
# avoid conflicts
self.motor_stop()
# enable downward side of H-bridge
self.bus.write_pin(1, 0x01)
self.bus.write_pin(2, 0x01)
time.sleep(self.timeToMove)
self.motor_stop()
self.doorStateUp = False
def button_pressed(self):
"""
checks if the button is pressed with debouncing.
"""
if self.simulatedHw:
return False
else:
pin = 9
if self.bus.read_pin(pin) == 0:
time.sleep(0.05)
if self.bus.read_pin(pin) == 0: # debounce 50 ms
return True
return False
def detect_door_down(self):
"""
checks if the door if completely at the down end stop
"""
if self.simulatedHw:
return True
else:
pin = 10
if self.bus.read_pin(pin) == 0:
time.sleep(0.05)
if self.bus.read_pin(pin) == 0: # debounce 50 ms
return True
return False
def detect_door_up(self):
"""
checks if the door if completely at the down end stop
"""
if self.simulatedHw:
return True
else:
pin = 11
if self.bus.read_pin(pin) == 0:
time.sleep(0.05)
if self.bus.read_pin(pin) == 0: # debounce 50 ms
return True
return False
def is_door_up(self):
"""
Returns the state of the door without checking the hardware to save detection time
"""
return self.doorStateUp
import time
import paho.mqtt.client as mqtt
try:
from IOPi import IOPi
except ImportError:
print("Failed to import IOPi from python system path")
print("Importing from parent folder instead")
try:
import sys
sys.path.append('..')
from IOPi import IOPi
except ImportError:
raise ImportError(
"Failed to import library from parent folder")
# Setup IOPi I2C addresses
iobus = IOPi(0x20)
iobusb = IOPi(0x21)
# Set all pins as outputs and set to off
iobus.set_port_direction(0, 0x00)
iobus.write_port(0, 0x00)
iobus.set_port_direction(1, 0x00)
iobus.write_port(1, 0x00)
iobusb.set_port_direction(0, 0x00)
iobusb.write_port(0, 0x00)
iobusb.set_port_direction(1, 0x00)
iobusb.write_port(1, 0x00)
def main():
"""
Main program function
"""
passed = True
iopi = IOPi(0x20, False) # new iopi object without initialisation
# Check get_interrupt_defaults for low out of bounds
try:
iopi.get_interrupt_defaults(-1)
pass
except ValueError:
print("get_interrupt_defaults() low boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("get_interrupt_defaults() low boundary check: FAILED")
pass
# Check get_interrupt_defaults for low out of bounds
try:
iopi.get_interrupt_defaults(2)
pass
except ValueError:
print("get_interrupt_defaults() high boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("get_interrupt_defaults() high boundary check: FAILED")
pass
for a in range(1, 256):
iopi.set_interrupt_defaults(0, a)
x = iopi.get_interrupt_defaults(0)
if x != a:
passed = False
break
iopi.set_interrupt_defaults(1, a)
x = iopi.get_interrupt_defaults(1)
if x != a:
passed = False
break
if passed is False:
print("Test Failed")
else:
print("Test Passed")
def main():
'''
Main program function
'''
# Create an instance of the IOPi class with an I2C address of 0x20
iobus = IOPi(0x20)
# Set all pins on the IO bus to be inputs with internal pull-ups enabled.
iobus.set_port_pullups(0, 0xFF)
iobus.set_port_pullups(1, 0xFF)
iobus.set_port_direction(0, 0xFF)
iobus.set_port_direction(1, 0xFF)
# invert the ports so pulling a pin to ground will show as 1 instead of 0
iobus.invert_port(0, 0xFF)
iobus.invert_port(1, 0xFF)
# Set the interrupt polarity to be active high and mirroring enabled, so
# pin 1 will trigger both INT A and INT B when a pin is grounded
iobus.set_interrupt_polarity(1)
iobus.mirror_interrupts(1)
# Set the interrupts default value to 0
iobus.set_interrupt_defaults(0, 0x00)
iobus.set_interrupt_defaults(1, 0x00)
# Set the interrupt type to be 1 for ports A and B so an interrupt is
# fired when a state change occurs
iobus.set_interrupt_type(0, 0x00)
iobus.set_interrupt_type(1, 0x00)
# Enable interrupts for pin 1
iobus.set_interrupt_on_port(0, 0x01)
iobus.set_interrupt_on_port(1, 0x00)
timer = threading.Thread(target=background_thread(iobus))
timer.daemon = True # set thread to daemon ('ok' won't be printed)
timer.start()
while 1:
"""
Do something in the main program loop while the interrupt checking
is carried out in the background
"""
# wait 1 seconds
time.sleep(1)
def main():
"""
Main program function
"""
passed = True
iopi = IOPi(0x20, False) # new iopi object without initialisation
iopi.set_bus_pullups(0x0000)
# Check set_port_pullups port for low out of bounds
try:
iopi.set_port_pullups(-1, 0)
pass
except ValueError:
print("port low boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("port low boundary check: FAILED")
pass
# Check set_port_pullups port for high out of bounds
try:
iopi.set_port_pullups(2, 0)
pass
except ValueError:
print("port high boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("port high boundary check: FAILED")
pass
# Check set_port_pullups value for low out of bounds
try:
iopi.set_port_pullups(0, -1)
pass
except ValueError:
print("value low boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("value low boundary check: FAILED")
pass
# Check set_port_pullups value for high out of bounds
try:
iopi.set_port_pullups(0, 256)
pass
except ValueError:
print("value high boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("value high boundary check: FAILED")
pass
# Logic Analyser Check
print("Logic output Started")
for x in range(0, 256):
iopi.set_port_pullups(0, x)
iopi.set_port_pullups(1, x)
print("Logic output Ended")
if passed is False:
print("Test Failed")
def main():
'''
Main program function
'''
# Create an instance of the IOPi class with an I2C address of 0x20
iobus = IOPi(0x20)
# Set all pins on the IO bus to be inputs with internal pull-ups enabled.
iobus.set_port_pullups(0, 0xFF)
iobus.set_port_pullups(1, 0xFF)
iobus.set_port_direction(0, 0xFF)
iobus.set_port_direction(1, 0xFF)
# Invert both ports so pins will show 1 when grounded
iobus.invert_port(0, 0xFF)
iobus.invert_port(1, 0xFF)
# Set the interrupt polarity to be active high and mirroring disabled, so
# pins 1 to 8 trigger INT A and pins 9 to 16 trigger INT B
iobus.set_interrupt_polarity(1)
iobus.mirror_interrupts(0)
# Set the interrupts default value to 0x00 so the interrupt will trigger when any pin registers as true
iobus.set_interrupt_defaults(0, 0x00)
iobus.set_interrupt_defaults(1, 0x00)
# Set the interrupt type to be 1 for ports A and B so an interrupt is
# fired when the pin matches the default value
iobus.set_interrupt_type(0, 0xFF)
iobus.set_interrupt_type(1, 0xFF)
# Enable interrupts for all pins
iobus.set_interrupt_on_port(0, 0xFF)
iobus.set_interrupt_on_port(1, 0xFF)
while True:
# read the interrupt status for each port.
# If the status is not 0 then an interrupt has occured on one of the pins
# so read the value from the interrupt capture.
if (iobus.read_interrupt_status(0) != 0):
print("Port 0: " + str(iobus.read_interrupt_capture(0)))
if (iobus.read_interrupt_status(1) != 0):
print("Port 1: " + str(iobus.read_interrupt_capture(1)))
time.sleep(2)
def main():
'''
Main program function
'''
# Create an instance of the IOPi class with an I2C address of 0x20
iobus = IOPi(0x20)
# Set all pins on the IO bus to be inputs with internal pull-ups disabled.
iobus.set_port_pullups(0, 0x00)
iobus.set_port_pullups(1, 0x00)
iobus.set_port_direction(0, 0xFF)
iobus.set_port_direction(1, 0xFF)
# Set the interrupt polarity to be active high and mirroring disabled, so
# pins 1 to 8 trigger INT A and pins 9 to 16 trigger INT B
iobus.set_interrupt_polarity(1)
iobus.mirror_interrupts(0)
# Set the interrupts default value to trigger when 5V is applied to pins 1
# and 16
iobus.set_interrupt_defaults(0, 0x01)
iobus.set_interrupt_defaults(0, 0x80)
# Set the interrupt type to be 1 for ports A and B so an interrupt is
# fired when the pin matches the default value
iobus.set_interrupt_type(0, 1)
iobus.set_interrupt_type(1, 1)
# Enable interrupts for pins 1 and 16
iobus.set_interrupt_on_pin(1, 1)
iobus.set_interrupt_on_pin(16, 1)
while True:
# read the port value from the last capture for ports 0 and 1.
# This will reset the interrupts
print(iobus.read_interrupt_capture(0))
print(iobus.read_interrupt_capture(1))
time.sleep(2)
def main():
"""
Main program function
"""
iobus2 = IOPi(0x21)
iobus2.set_pin_direction(2, 0)
iobus2.set_pin_direction(4, 0)
iobus2.set_pin_direction(10, 1)
iobus2.set_pin_direction(14, 1)
iobus2.set_port_pullups(1, 0xFF)
while True:
# clear the console
if iobus2.read_pin(14) == 0:
iobus2.write_pin(2, 1)
else:
iobus2.write_pin(2, 0)
if iobus2.read_pin(10) == 0:
iobus2.write_pin(4, 1)
else:
iobus2.write_pin(4, 0)
def main():
"""
Main program function
"""
bus = IOPi(0x20)
bus.set_pin_direction(1, 1) # set pin 1 as an input
bus.set_pin_direction(8, 0) # set pin 8 as an output
bus.write_pin(8, 0) # turn off pin 8
bus.set_pin_pullup(1, 1) # enable the internal pull-up resistor on pin 1
bus.invert_pin(1, 1) # invert pin 1 so a button press will register as 1
while True:
if bus.read_pin(1) == 1: # check to see if the button is pressed
print('button pressed') # print a message to the screen
bus.write_pin(8, 1) # turn on the led on pin 8
time.sleep(2) # wait 2 seconds
else:
bus.write_pin(8, 0) # turn off the led on pin 8
def main():
"""
Main program function
"""
passed = True
iopi = IOPi(0x20, False) # new iopi object without initialisation
# Reset to 0x00
iopi.write_bus(0x0000)
iopi.set_bus_direction(0xFFFF)
# Check read_port port for low out of bounds
try:
iopi.read_port(-1)
pass
except ValueError:
print("port low boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("port low boundary check: FAILED")
pass
# Check read_port port for high out of bounds
try:
iopi.read_port(2)
pass
except ValueError:
print("port high boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("port high boundary check: FAILED")
pass
# Logic Analyser Check
print("Logic output Started")
iopi.read_port(0)
iopi.read_port(1)
print("Logic output Ended")
if passed is False:
print("Test Failed")
def main():
"""
Main program function
"""
bus = IOPi(0x20)
bus.set_pin_direction(1, 1) # set pin 1 as an input
bus.set_pin_direction(8, 0) # set pin 8 as an output
bus.write_pin(8, 0) # turn off pin 8
bus.set_pin_pullup(1, 1) # enable the internal pull-up resistor on pin 1
bus.invert_pin(1, 1) # invert pin 1 so a button press will register as 1
while True:
if bus.read_pin(1) == 1: # check to see if the button is pressed
print('button pressed') # print a message to the screen
bus.write_pin(8, 1) # turn on the led on pin 8
time.sleep(2) # wait 2 seconds
else:
bus.write_pin(8, 0) # turn off the led on pin 8
def main():
"""
Main program function
"""
iobus1 = IOPi(0x20)
iobus2 = IOPi(0x21)
# We will read the inputs 1 to 16 from the I/O bus so set port 0 and
# port 1 to be inputs and enable the internal pull-up resistors
iobus1.set_port_direction(0, 0xFF)
iobus1.set_port_pullups(0, 0xFF)
iobus1.set_port_direction(1, 0xFF)
iobus1.set_port_pullups(1, 0xFF)
# Repeat the steps above for the second bus
iobus2.set_port_direction(0, 0xFF)
iobus2.set_port_pullups(0, 0xFF)
iobus2.set_port_direction(1, 0xFF)
iobus2.set_port_pullups(1, 0xFF)
while True:
# clear the console
os.system("clear")
# read the pins 1 to 16 on both buses and print the results
print("Bus 1 Bus 2")
print("Pin 1: " + str(iobus1.read_pin(1)) +
" Pin 1: " + str(iobus2.read_pin(1)))
print("Pin 2: " + str(iobus1.read_pin(2)) +
" Pin 2: " + str(iobus2.read_pin(2)))
print("Pin 3: " + str(iobus1.read_pin(3)) +
" Pin 3: " + str(iobus2.read_pin(3)))
print("Pin 4: " + str(iobus1.read_pin(4)) +
" Pin 4: " + str(iobus2.read_pin(4)))
print("Pin 5: " + str(iobus1.read_pin(5)) +
" Pin 5: " + str(iobus2.read_pin(5)))
print("Pin 6: " + str(iobus1.read_pin(6)) +
" Pin 6: " + str(iobus2.read_pin(6)))
print("Pin 7: " + str(iobus1.read_pin(7)) +
" Pin 7: " + str(iobus2.read_pin(7)))
print("Pin 8: " + str(iobus1.read_pin(8)) +
" Pin 8: " + str(iobus2.read_pin(8)))
print("Pin 9: " + str(iobus1.read_pin(9)) +
" Pin 9: " + str(iobus2.read_pin(9)))
print("Pin 10: " + str(iobus1.read_pin(10)) +
" Pin 10: " + str(iobus2.read_pin(10)))
print("Pin 11: " + str(iobus1.read_pin(11)) +
" Pin 11: " + str(iobus2.read_pin(11)))
print("Pin 12: " + str(iobus1.read_pin(12)) +
" Pin 12: " + str(iobus2.read_pin(12)))
print("Pin 13: " + str(iobus1.read_pin(13)) +
" Pin 13: " + str(iobus2.read_pin(13)))
print("Pin 14: " + str(iobus1.read_pin(14)) +
" Pin 14: " + str(iobus2.read_pin(14)))
print("Pin 15: " + str(iobus1.read_pin(15)) +
" Pin 15: " + str(iobus2.read_pin(15)))
print("Pin 16: " + str(iobus1.read_pin(16)) +
" Pin 16: " + str(iobus2.read_pin(16)))
# wait 0.5 seconds before reading the pins again
time.sleep(0.1)
import sys from IOPi import IOPi pin = sys.argv[2] port = int((pin - 1) / 8) bus = IOPi(sys.argv[1]) bus.set_port_direction(port, 0x01) print bus.read(pin)
from IOPi import IOPi import time bus = IOPi(0x20) bus.set_port_direction(0, 0x00) bus.write_port(0, 0x00) bus.write_pin(1, 1) bus.write_pin(1, 1) time.sleep(1) bus.write_pin(1, 0) time.sleep(1) bus.write_pin(1, 1) time.sleep(1) bus.write_pin(1, 1) bus.write_pin(1, 0) bus.write_pin(1, 1) bus.write_pin(1, 0) bus.write_pin(1, 1) bus.write_pin(1, 0) bus.write_pin(1, 0) bus.write_pin(1, 1)
import paho.mqtt.client as mqtt
try:
from IOPi import IOPi
except ImportError:
print("Failed to import IOPi from python system path")
print("Importing from parent folder instead")
try:
import sys
sys.path.append('..')
from IOPi import IOPi
except ImportError:
raise ImportError("Failed to import library from parent folder")
# Setup IOPi I2C addresses
iobus1 = IOPi(0x20)
iobus2 = IOPi(0x21)
# We will read the inputs 1 to 16 from the I/O bus so set port 0 and
# port 1 to be inputs and enable the internal pull-up resistors
iobus1.set_port_direction(0, 0xFF)
iobus1.set_port_pullups(0, 0xFF)
iobus1.set_port_direction(1, 0xFF)
iobus1.set_port_pullups(1, 0xFF)
# Repeat the steps above for the second bus
iobus2.set_port_direction(0, 0xFF)
iobus2.set_port_pullups(0, 0xFF)
iobus2.set_port_direction(1, 0xFF)
from IOPi import IOPi
import time
import math
''''setting up the busses of the IO-extenssion board to control the relay module board''''
bus1 = IOPi(0x20)
bus1.set_port_direction(0, 0x00)
bus1.set_port_direction(1, 0x00)
bus1.write_port(0, 0xFF)
bus1.write_port(1, 0xFF)
bus2 = IOPi(0x21)
bus2.set_port_direction(0, 0x00)
bus2.set_port_direction(1, 0x00)
bus2.write_port(0, 0xFF)
bus2.write_port(1, 0xFF)
#with these variables you can decide how many boards there are and how many Relays there are on each board
numOffRelays = 16
numOffBoards = 2
'''''with this class a relayboard can be made to choose the relay''''
class Relayboard:
def __init__ (self, bus):
self.bus = bus
''''Function where the user can turn on the choosen relay there are 16 to choose frombut goes from 0-15.''''
def sellectRelayOn(self, relaynumber):
if 0 >= relaynumber =< 15:
relaynumber = relaynumber + 1
self.bus.write_pin(relaynumber, 0)
JeedomIP = sys.argv[3]
if len(sys.argv) > 2:
eqLogic = int(sys.argv[2])
if len(sys.argv) > 1:
port = int(sys.argv[1])
# On va demander la valeur des compteurs avec un peu de retard expres
timeCPT=time.time()+11
NextRefresh=time.time()+40
sendCPT=0
# set up IOPi Plus
#i2c_helper = ABEHelpers()
#i2c_bus = i2c_helper.get_smbus()
#bus = IoPi(i2c_bus, boardId)
bus = IOPi(boardId)
# Toutes les entrees en impulsion
# Init du Compteur d'Impulsion
CounterPinValue={}
PinNextSend={}
TempoPinHIGH={}
TempoPinLOW={}
Status_pins={}
Status_INPUTS={}
swtch={}
exit=0
SetAllLOW=0
SetAllHIGH=0
SetAllSWITCH=0
SetAllPulseLOW=0
def main():
"""
Main program function
"""
passed = True
iopi = IOPi(0x20, False) # new iopi object without initialisation
# Reset to 0x00
iopi.set_interrupt_on_bus(0x0000)
# Check set_interrupt_on_pin pin for low out of bounds
try:
iopi.set_interrupt_on_pin(0, 0)
pass
except ValueError:
print("pin low boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("pin low boundary check: FAILED")
pass
# Check set_interrupt_on_pin pin for high out of bounds
try:
iopi.set_interrupt_on_pin(17, 0)
pass
except ValueError:
print("pin high boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("pin high boundary check: FAILED")
pass
# Check set_interrupt_on_pin value for low out of bounds
try:
iopi.set_interrupt_on_pin(0, -1)
pass
except ValueError:
print("value low boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("value low boundary check: FAILED")
pass
# Check set_interrupt_on_pin value for high out of bounds
try:
iopi.set_interrupt_on_pin(17, 2)
pass
except ValueError:
print("value high boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("value high boundary check: FAILED")
pass
# Logic Analyser Check
print("Logic output Started")
for x in range(1, 17):
iopi.set_interrupt_on_pin(x, 1)
print("Logic output Ended")
if passed is False:
print("Test Failed")
def main():
'''
Main program function
'''
# Create an instance of the IOPi class with an I2C address of 0x20
iobus = IOPi(0x20)
# We will write to the pins 9 to 16 so set port 1 to be outputs turn off
# the pins
iobus.set_port_direction(1, 0x00)
iobus.write_port(1, 0x00)
while True:
# count to 255 and display the value on pins 9 to 16 in binary format
for val in range(0, 255):
time.sleep(0.05)
iobus.write_port(1, val)
# turn off all of the pins on bank 1
iobus.write_port(1, 0x00)
# now turn on all of the leds in turn by writing to one pin at a time
iobus.write_pin(9, 1)
time.sleep(0.1)
iobus.write_pin(10, 1)
time.sleep(0.1)
iobus.write_pin(11, 1)
time.sleep(0.1)
iobus.write_pin(12, 1)
time.sleep(0.1)
iobus.write_pin(13, 1)
time.sleep(0.1)
iobus.write_pin(14, 1)
time.sleep(0.1)
iobus.write_pin(15, 1)
time.sleep(0.1)
iobus.write_pin(16, 1)
# and turn off all of the leds in turn by writing to one pin at a time
iobus.write_pin(9, 0)
time.sleep(0.1)
iobus.write_pin(10, 0)
time.sleep(0.1)
iobus.write_pin(11, 0)
time.sleep(0.1)
iobus.write_pin(12, 0)
time.sleep(0.1)
iobus.write_pin(13, 0)
time.sleep(0.1)
iobus.write_pin(14, 0)
time.sleep(0.1)
iobus.write_pin(15, 0)
time.sleep(0.1)
iobus.write_pin(16, 0)
def main():
"""
Main program function
"""
passed = True
iopi = IOPi(0x20, False) # new iopi object without initialisation
# Check get_pin_direction for low out of bounds
try:
iopi.get_pin_direction(-1)
pass
except ValueError:
print("get_pin_direction() low boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("get_pin_direction() low boundary check: FAILED")
pass
# Check get_pin_direction for low out of bounds
try:
iopi.get_pin_direction(17)
pass
except ValueError:
print("get_pin_direction() high boundary check: PASSED")
pass
except IOError:
passed = False
print("I2C IOError")
else:
passed = False
print("get_pin_direction() high boundary check: FAILED")
pass
for a in range(1, 17):
iopi.set_pin_direction(a, 0)
x = iopi.get_pin_direction(a)
if x != 0:
passed = False
break
iopi.set_pin_direction(a, 1)
x = iopi.get_pin_direction(a)
if x != 1:
passed = False
break
if passed is False:
print("Test Failed")
else:
print("Test Passed")
def main():
'''
Main program function
'''
# Create two instances of the IOPi class with
# I2C addresses of 0x20 and 0x21
ioin = IOPi(0x20)
ioout = IOPi(0x21)
# Set port 0 on the ioin bus to be inputs with internal pull-ups enabled.
ioin.set_port_pullups(0, 0xFF)
ioin.set_port_direction(0, 0xFF)
# Invert the port so pins will show 1 when grounded
ioin.invert_port(0, 0xFF)
# Set port 0 on ioout to be outputs and set the port to be off
ioout.set_port_direction(0, 0x00)
ioout.write_port(0, 0x00)
# Set the interrupts default value for port 0 to 0x00 so the interrupt
# will trigger when any pin registers as true
ioin.set_interrupt_defaults(0, 0x00)
# Set the interrupt type to be 1 on each pin for port 0 so an interrupt is
# fired when the pin matches the default value
ioin.set_interrupt_type(0, 0xFF)
# Enable interrupts for all pins on port 0
ioin.set_interrupt_on_port(0, 0xFF)
# Reset the interrupts
ioin.reset_interrupts()
while True:
# read the interrupt status for each port.
if (ioin.read_interrupt_status(0) != 0):
# If the status is not 0 then an interrupt has occured
# on one of the pins so read the value from the interrupt capture
value = ioin.read_interrupt_capture(0)
# write the value to port 0 on the ioout bus
ioout.write_port(0, value)
# sleep 200ms before checking the pin again
time.sleep(0.2)
