Dotstar2.py

import RPi.GPIO as GPIO
import time

scl = 16
sda = 21

GPIO.setmode(GPIO.BCM)

GPIO.setup(scl, GPIO.OUT)
GPIO.setup(sda, GPIO.OUT)

def clock():
    GPIO.output(scl, GPIO.HIGH)
    #time.sleep(.05)
    GPIO.output(scl, GPIO.LOW)

def startFrame():
    count = 0
    GPIO.output(sda, GPIO.LOW)
    while count < 32:
        clock()
        count = count + 1

def endFrame():
    count = 0
    GPIO.output(sda, GPIO.HIGH)
    while count < 32:
        clock()
        count = count + 1

def startLedFrame():
    count = 0
    GPIO.output(sda, GPIO.HIGH)
    while count < 3:
        clock()
        count = count + 1
    
def commandBrightness():
    GPIO.output(sda, GPIO.LOW)
    clock()
    clock()
    GPIO.output(sda, GPIO.HIGH)
    clock()

def commandRed():
    count = 0
    GPIO.output(sda, GPIO.LOW)
    while count < 16:
        clock()
        count = count + 1

    count = 0

    GPIO.output(sda, GPIO.HIGH)
    while count < 8:
            clock()
            count = count + 1
                
def commandLeds():
    led = 0
    leds = 30
    while led < leds:

        startLedFrame()
        commandBrightness()
        commandRed()
        led = led +1

def setPinsLow():
    GPIO.output(sda, GPIO.LOW)
    GPIO.output(scl, GPIO.LOW)

startFrame()
commandLeds()
endFrame()
setPinsLow()