spi-test3.py

#!/usr/bin/python


# Python example for SPI bus, written by Brian Hensley
#This script will take any amount of Hex values and determine
#the length and then transfer the data as a string to the "spi" module

import spi
from time import sleep

SLEEPTIME=2
#At the beginning of the program open up the SPI port.
#this is port /dev/spidevX.Y
#Being called as as spi.SPI(X,Y)
#a = spi.SPI(0,0)


#spi.initialize()

status = spi.openSPI(speed=5000000)
print "SPI configuration = ", status
# print "PY: initialising SPI mode, reading data, reading length . . . \n"

# Blue
#data = ["00000000000010000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF10000FF"]
# Green
# data = ["000000000000100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00100FF00"]

def LEDspit(COLOR):
  #data = ["0000000000001" + COLOR * (8 * 50 + 8) ]
  # data = (0, ) * 50 + 0099991
  # Start bits for LEDs
  basedata = 0, 0, 0, 1, 
  # 62 * 4 bytes + 4 bytes works- 63 craps out, as PyArg_ParseTupleAndKeywords function only seems to support ints of 32 bits.
  data = basedata + (50, 0, 255, 1) * 408
  # data = tuple(data)
  #Calculates the length, and devides by 2 for two bytes of data sent.
  # length_data = len(data[0])/2
  #transfers data string
  #print 'Value transfered to C spimodule:',data
  #for i, printdata in enumerate(data):
  spi.transfer((data))
  #sleep(SLEEPTIME)
  data = basedata + (0, 255, 0, 1) * 408
  spi.transfer((data))
  # sleep(SLEEPTIME)

  # data = tuple(data)
  #data = (50, 0, 255, 1) * 62
  #spi.transfer((data))
  #data = (50, 0, 255, 1) * 62
  #spi.transfer((data))
  #data = (50, 0, 255, 1) * 62
  #spi.transfer((data))
  #data = (50, 0, 255, 1) * 62
  #spi.transfer((data))

  #At the end of your program close the SPI port
  #a.close()

while True:
  LEDspit('FF00001')
  LEDspit('00FF001')
  LEDspit('0000FF1')
  LEDspit('1111FF1')
  LEDspit('2222FF1')
  LEDspit('3333FF1')
  LEDspit('4444FF1')
  LEDspit('5555FF1')
  LEDspit('6666FF1')
  LEDspit('7777FF1')
  LEDspit('8888FF1')
  LEDspit('9999FF1')
  LEDspit('A9A9FF1')
  LEDspit('B9B9FF1')
  LEDspit('C9C9FF1')
  LEDspit('D9D9FF1')
  LEDspit('E9E9FF1')
  LEDspit('F9F9FF1')