#!/usr/bin/env python
# blink_led.py
# gpio test code for pcduino ( http://www.pcduino.com )
#
import gpio
import time

led_pin = "gpio6"
led_pin2 = "gpio7"
led_pin3 = "gpio8"
#led_pin4 = "gpio9"
pins = []
pins.append(led_pin)
pins.append(led_pin2)
pins.append(led_pin3)
#pins.append(led_pin4)
pin_led_states = [
  [1, 0, -1], # A
  [0, 1, -1], # B
  [-1, 1, 0], # C
  [-1, 0, 1], # D
  [1, -1, 0], # E
  [0, -1, 1]  # F
]
def delay(ms):
    time.sleep(1.0*ms/1000)
def set_pin(pin_index, pin_state):
    if pin_state == -1:
        gpio.pinMode(pins[pin_index], gpio.INPUT)
    else:
        gpio.pinMode(pins[pin_index], gpio.OUTPUT)
        gpio.digitalWrite(pins[pin_index], pin_state)
def light_led(led_number):
    for pin_index, pin_state in enumerate(pin_led_states[led_number]):
        set_pin(pin_index, pin_state)
def unsetpins():
   for x in range(0,len(pins)-1):
       set_pin(x, -1)
unsetpins()
x=0
while True:
    #x = int(raw_input("Pin (0 to 5):"))
    if x<= 6:
        #light_led(x)
        light_led(x%6)
        delay(50)
    else:
        break
    x=x+1
unsetpins()