first hack at charlieplexing with Adafruit_BBIO

beaglecharlie.py

import Adafruit_BBIO.GPIO as GPIO
import time
pins = ["P8_12","P8_14","P8_16","P8_18","P8_20","P8_22"]
for p in pins:
    GPIO.setup(p, GPIO.OUT)

def setnums(n):
    listvals = []
    bitstring = bin(n)[2:]
    for x in bitstring:
        if x == '0':
            listvals.append(0)
        else:
            listvals.append(1)
    while(len(listvals) < 6):
        listvals = [0] + listvals
    return listvals

def setpins(values):
    # input should be like [1,0,1,0,1,0]
    for x in xrange(0,6): # assume a list of length six, containing only boolean values
        if values[x]:
            GPIO.output(pins[x],GPIO.HIGH)
        else:
            GPIO.output(pins[x],GPIO.LOW)

for n in xrange(0,64):
    l = setnums(n)
    setpins(l)
    time.sleep(0.1)