bus1 = IoPi(newbus, 0x20)
# We will write to the pins 9 to 16 from bus 1 so set port 1 to be outputs
# turn off the pins
bus1.set_port_direction(1, 0x00)
bus1.write_port(1, 0x00)
while True:
# count to 255 and display the value on pins 9 to 16 in binary format
for x in range(0, 255):
time.sleep(0.05)
bus1.write_port(1, x)
# turn off all of the pins on bank 1
bus1.writePort(1, 0x00)
# now turn on all of the leds in turn by writing to one pin at a time
bus1.write_pin(9, 1)
time.sleep(0.1)
bus1.write_pin(10, 1)
time.sleep(0.1)
bus1.write_pin(11, 1)
time.sleep(0.1)
bus1.write_pin(12, 1)
time.sleep(0.1)
bus1.write_pin(13, 1)
time.sleep(0.1)
bus1.write_pin(14, 1)
time.sleep(0.1)
bus1.write_pin(15, 1)
