micro python script

led.py

import pyb
from pyb import Pin


def initpin(val):
    p = Pin(val)
    p.init(Pin.OUT_OD)
    return p

def togglepin(pin):
    if pin.value():
        pin.low()
    else:
        pin.high()

# address pins a0..a3
addr = [initpin(i) for i in ['Y5', 'Y6', 'Y7', 'Y8']]

dred   = initpin('Y3')
dgreen = initpin('Y4')

enable = initpin('Y12')
latch = initpin('Y11')
clock = initpin('X9')

def setAddr(a):
    assert 0 <= a < 16
    for i in range(4):
        print(i)
        if a & (1<<i):
            addr[i].high()
        else:
            addr[i].low()

def boom():
    print(bool(0&(1<<32)))

def sendRG(red, green):
    for i in range(32):
        print(red, green)
        if red & (1<<i):
            print("set red high", 1<<i)
            #dred.high()
        else:
            pass
            #dred.low()
        if green & (1<<i):
            print("set green high", 1<<i)
            #dgreen.high()
        else:
            pass
            #dgreen.low()
        #pyb.udelay(1)
        #clock.high()
        #pyb.udelay(1)
        #clock.low()

def sendLine(addr, red, green):
    #setAddr(addr)
    dred.low()
    dgreen.low()
    enable.low()
    latch.low()
    clock.low()
    sendRG(red, green)
    enable.high()
    latch.high()
    pyb.udelay(3)
    latch.low()
    enable.low()
    

for a in addr:
    a.low()

pyb.LED(1).on()

sendLine(0, 255,255)

pyb.LED(2).on()

pyb.delay(1000)

sendLine(1, 0,255)
pyb.delay(1000)


pyb.LED(3).on()

sendLine(2, 255,0)

pyb.LED(4).on()