First commit to track code progress.

led-display.py

@@ -0,0 +1,49 @@
+#!/usr/bin/python
+import spi
+from time import sleep
+
+SLEEPTIME=2
+
+status = spi.openSPI(speed=5000000)
+print "SPI configuration = ", status
+# print "PY: initialising SPI mode, reading data, reading length . . . \n"
+
+# How many total pixels?
+pixels = 400
+
+class display(object):
+   def __init__(self, pixels):
+      self.pixels = pixels
+      self.clear()
+   def update(self):
+      spi.transferrgb(self.red, self.green, self.blue)
+   def set(self, pos, rv, gv, bv):
+      '''set pixel at pos to rgb'''
+      self.red[pos] = rv
+      self.green[pos] = gv
+      self.blue[pos] = bv
+   def setall(self, rv, gv, bv):
+      '''set all pixels to rgb'''
+      for pos in xrange(self.pixels):
+         self.red[pos] = rv
+         self.green[pos] = gv
+         self.blue[pos] = bv
+   def clear(self):
+      '''clear all pixels to black'''
+      self.red = [0] * pixels
+      self.green = [0] * pixels
+      self.blue = [0] * pixels
+
+# How many pixels in the display do we have?
+d = display(400)
+
+while 1:
+   d.setall(0, 255, 0)
+   d.update()
+   sleep(1)
+   d.setall(255, 0, 0)
+   d.update()
+   sleep(1)
+   d.clear()
+   d.update()
+   sleep(1)

spi-test3.py

@@ -0,0 +1,80 @@
+#!/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')
+

spi-test4.py

@@ -0,0 +1,61 @@
+#!/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"
+
+pixels = 408
+
+
+class display(object):
+   def __init__(self, pixels):
+      self.pixels = pixels
+      self.clear()
+   def update(self):
+      spi.transferrgb(self.red, self.green, self.blue)
+   def set(self, pos, rv, gv, bv):
+      '''set pixel at pos to rgb'''
+      self.red[pos] = rv
+      self.green[pos] = gv
+      self.blue[pos] = bv
+   def setall(self, rv, gv, bv):
+      '''set all pixels to rgb'''
+      for pos in xrange(self.pixels):
+         self.red[pos] = rv
+         self.green[pos] = gv
+         self.blue[pos] = bv
+   def clear(self):
+      '''clear all pixels to black'''
+      self.red = [0] * pixels
+      self.green = [0] * pixels
+      self.blue = [0] * pixels
+
+d = display(408)
+
+while 1:
+   d.setall(0, 255, 0)
+   d.update()
+   sleep(1)
+   d.setall(255, 0, 0)
+   d.update()
+   sleep(1)
+   d.clear()
+   d.update()
+   sleep(1)