bus1 = IoPi(i2c_bus, 0x20) # bus 1 will be inputs bus2 = IoPi(i2c_bus, 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 bus1.set_port_direction(0, 0xFF) bus1.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 bus2.set_port_direction(0, 0x00) bus2.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 (bus1.read_pin(1) == 1): bus2.write_pin(1, 1) else: bus2.write_pin(1, 0) # wait 0.1 seconds before reading the pins again time.sleep(0.1)
i2c_bus = i2c_helper.get_smbus() # create two instances of the IoPi class called bus1 and bus2 and set the default i2c addresses bus1 = IoPi(i2c_bus, 0x20) # bus 1 will be inputs bus2 = IoPi(i2c_bus, 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 bus1.set_port_direction(0, 0xFF) bus1.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 bus2.set_port_direction(0, 0x00) bus2.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 (bus1.read_pin(1) == 1): bus2.write_pin(1, 1) else: bus2.write_pin(1, 0) # wait 0.1 seconds before reading the pins again time.sleep(0.1)
Initialise the IOPi device using the default addresses, you will need to change the addresses if you have changed the jumpers on the IO Pi """ i2c_helper = ABEHelpers() i2c_bus = i2c_helper.get_smbus() bus = IoPi(i2c_bus, 0x20) # We will read the inputs 1 to 8 from bus 2 so set port 0 to be inputs and # enable the internal pull-up resistors bus.set_port_direction(0, 0xFF) bus.set_port_pullups(0, 0xFF) while True: # clear the console os.system("clear") # read the pins 1 to 8 and print the results print "Pin 1: " + str(bus.read_pin(1)) print "Pin 2: " + str(bus.read_pin(2)) print "Pin 3: " + str(bus.read_pin(3)) print "Pin 4: " + str(bus.read_pin(4)) print "Pin 5: " + str(bus.read_pin(5)) print "Pin 6: " + str(bus.read_pin(6)) print "Pin 7: " + str(bus.read_pin(7)) print "Pin 8: " + str(bus.read_pin(8)) # wait 0.5 seconds before reading the pins again time.sleep(0.1)
PinNextSend = {} TempoPinHIGH = {} TempoPinLOW = {} Status_pins = {} Status_INPUTS = {} swtch = {} exit = 0 SetAllLOW = 0 SetAllHIGH = 0 SetAllSWITCH = 0 SetAllPulseLOW = 0 SetAllPulseHIGH = 0 pinStr = '' for i in range(0, 16): bus.set_pin_direction(i + 1, 1) input = bus.read_pin(i + 1) Status_INPUTS[i] = input pinStr += '&IN_' + str(i) + '=' + str(input) CounterPinValue[i] = 0 PinNextSend[i] = 0 TempoPinHIGH[i] = 0 TempoPinLOW[i] = 0 swtch[i] = 0 Status_pins[i] = '.' # Envoi de l'etats des inputs au boot if pinStr != '': SimpleSend(pinStr) threadLock = threading.Lock() threads = []
i2c_bus = i2c_helper.get_smbus() # create two instances of the IoPi class called bus1 and bus2 and set the default i2c addresses bus1 = IoPi(i2c_bus, 0x20) # bus 1 will be inputs bus2 = IoPi(i2c_bus, 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 bus1.set_port_direction(0, 0xFF) bus1.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 bus2.set_port_direction(0, 0x00) bus2.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 bus1.read_pin(1) == 1: bus2.write_pin(1, 1) else: bus2.write_pin(1, 0) # wait 0.1 seconds before reading the pins again time.sleep(0.1)
This example uses the write_pin and writePort methods to switch pin 1 on and off on the IO Pi. """ from ABE_helpers import ABEHelpers from ABE_IoPi import IoPi import time i2c_helper = ABEHelpers() i2c_bus = i2c_helper.get_smbus() bus = IoPi(i2c_bus, 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
Initialise the IOPi device using the default addresses, you will need to change the addresses if you have changed the jumpers on the IO Pi """ i2c_helper = ABEHelpers() i2c_bus = i2c_helper.get_smbus() bus = IoPi(i2c_bus, 0x20) # We will read the inputs 1 to 8 from bus 2 so set port 0 to be inputs and # enable the internal pull-up resistors bus.set_port_direction(0, 0xFF) bus.set_port_pullups(0, 0xFF) while True: # clear the console os.system('clear') # read the pins 1 to 8 and print the results print ('Pin 1: ' + str(bus.read_pin(1))) print ('Pin 2: ' + str(bus.read_pin(2))) print ('Pin 3: ' + str(bus.read_pin(3))) print ('Pin 4: ' + str(bus.read_pin(4))) print ('Pin 5: ' + str(bus.read_pin(5))) print ('Pin 6: ' + str(bus.read_pin(6))) print ('Pin 7: ' + str(bus.read_pin(7))) print ('Pin 8: ' + str(bus.read_pin(8))) # wait 0.5 seconds before reading the pins again time.sleep(0.1)
class App: global i2c_helper global newbus global bus2 def __init__(self, master): self.i2c_helper = ABEHelpers() self.newbus = self.i2c_helper.get_smbus() self.bus2 = IoPi( self.newbus, 0x21 ) # create an instance of Bus 2 which is on I2C address 0x21 by default self.bus2.set_port_direction( 0, 0x00) # set pins 1 to 8 to be outputs and turn them off self.bus2.write_port(0, 0x00) self.bus2.set_port_direction( 1, 0x00) # set pins 9 to 16 to be outputs and turn them off self.bus2.write_port(1, 0x00) frame = Frame(master) # create a frame for the GUI frame.pack() # create 16 buttons which run the togglepin function when pressed self.button = Button(frame, text="Pin 1", command=lambda: self.togglepin(1)) self.button.pack(side=LEFT) self.slogan = Button(frame, text="Pin 2", command=lambda: self.togglepin(2)) self.slogan.pack(side=LEFT) self.slogan = Button(frame, text="Pin 3", command=lambda: self.togglepin(3)) self.slogan.pack(side=LEFT) self.slogan = Button(frame, text="Pin 4", command=lambda: self.togglepin(4)) self.slogan.pack(side=LEFT) self.slogan = Button(frame, text="Pin 5", command=lambda: self.togglepin(5)) self.slogan.pack(side=LEFT) self.slogan = Button(frame, text="Pin 6", command=lambda: self.togglepin(6)) self.slogan.pack(side=LEFT) self.slogan = Button(frame, text="Pin 7", command=lambda: self.togglepin(7)) self.slogan.pack(side=LEFT) self.slogan = Button(frame, text="Pin 8", command=lambda: self.togglepin(8)) self.slogan.pack(side=LEFT) self.slogan = Button(frame, text="Pin 9", command=lambda: self.togglepin(9)) self.slogan.pack(side=LEFT) self.slogan = Button(frame, text="Pin 10", command=lambda: self.togglepin(10)) self.slogan.pack(side=LEFT) self.slogan = Button(frame, text="Pin 11", command=lambda: self.togglepin(11)) self.slogan.pack(side=LEFT) self.slogan = Button(frame, text="Pin 12", command=lambda: self.togglepin(12)) self.slogan.pack(side=LEFT) self.slogan = Button(frame, text="Pin 13", command=lambda: self.togglepin(13)) self.slogan.pack(side=LEFT) self.slogan = Button(frame, text="Pin 14", command=lambda: self.togglepin(14)) self.slogan.pack(side=LEFT) self.slogan = Button(frame, text="Pin 15", command=lambda: self.togglepin(15)) self.slogan.pack(side=LEFT) self.slogan = Button(frame, text="Pin 16", command=lambda: self.togglepin(16)) self.slogan.pack(side=LEFT) def togglepin(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)
Initialise the IOPi device using the default addresses, you will need to change the addresses if you have changed the jumpers on the IO Pi """ i2c_helper = ABEHelpers() bus = i2c_helper.get_smbus() bus1 = IoPi(bus, 0x22) # We will read the inputs 1 to 8 from bus 2 so set port 0 to be inputs and # enable the internal pull-up resistors bus1.set_port_direction(0, 0xFF) bus1.set_port_pullups(0, 0xFF) while True: # clear the console os.system('clear') # read the pins 1 to 8 and print the results print 'Pin 1: ' + str(bus1.read_pin(1)) print 'Pin 2: ' + str(bus1.read_pin(2)) print 'Pin 3: ' + str(bus1.read_pin(3)) print 'Pin 4: ' + str(bus1.read_pin(4)) print 'Pin 5: ' + str(bus1.read_pin(5)) print 'Pin 6: ' + str(bus1.read_pin(6)) print 'Pin 7: ' + str(bus1.read_pin(7)) print 'Pin 8: ' + str(bus1.read_pin(8)) # wait 0.5 seconds before reading the pins again time.sleep(0.1)
and off on the IO Pi. """ from ABE_helpers import ABEHelpers from ABE_IoPi import IoPi import time i2c_helper = ABEHelpers() i2c_bus = i2c_helper.get_smbus() bus = IoPi(i2c_bus, 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