Bi-Color (Red/Green) 24-Bar Bargraph

python/ht16k33.py

@@ -1,22 +0,0 @@
-class HT16K33:
-    def __init__(self, i2, a = 0x70):
-        self.i2 = i2
-        self.a = a
-        self.command(0x21)      # Clock on
-        self.command(0x81)      # Display on
-        self.bright(15)
-        self.load([0] * 16)
-
-    def bright(self, n):
-        assert 0 <= n < 16
-        self.command(0xe0 + n)
-
-    def command(self, b):
-        assert(self.i2.start(self.a, 0))
-        assert(self.i2.write([b]))
-        self.i2.stop()
-
-    def load(self, b128):
-        self.i2.start(self.a, 0)
-        self.i2.write([0] + b128)
-        self.i2.stop()

python/i2cdriver.py

@@ -4,13 +4,11 @@ import time
 import struct
 from collections import OrderedDict
 
-__version__ = '0.0.2'
+__version__ = '0.0.3'
 
 PYTHON2 = (sys.version_info < (3, 0))
 
-from lm75b import *
 import EDS
-import bargraph
 
 class I2CTimeout(Exception):
     pass

python/samples/bargraph.py

@@ -1,24 +1,17 @@
+"""
+Example for Bi-Color (Red/Green) 24-Bar Bargraph, based on HT16K33.
+Available from Adafruit.
+"""
+
 import sys
-import serial
 import time
-import struct
 import random
 
+from i2cdriver import I2CDriver
+
 from ht16k33 import HT16K33
 
 class bargraph(HT16K33):
-    def image(self, bb):
-        def swiz(b):
-            bs = [str((b >> n) & 1) for n in range(8)]
-            return int(bs[7] + bs[0] + bs[1] + bs[2] + bs[3] + bs[4] + bs[5] + bs[6], 2)
-        bb = [swiz(b) for b in bb]
-        self.load([b for s in zip(bb,bb) for b in s])
-
-    def char(self, c):
-        n = ord(c)
-        ch = font[n * 8:n * 8 + 8]
-        self.image(ch)
-
     def set(self, pix):
         rr = pix
         def paint(r, i):
@@ -33,3 +26,12 @@ class bargraph(HT16K33):
         [paint(red, i) for i in range(24) if (pix[i] & 1)]
         [paint(grn, i) for i in range(24) if (pix[i] & 2)]
         self.load([red[0], grn[0], red[1], grn[1], red[2], grn[2]])
+
+if __name__ == '__main__':
+    i2 = I2CDriver(sys.argv[1])
+
+    d0 = bargraph(i2)
+
+    for i in range(60):
+        d0.set([random.choice((0,1,2,3)) for i in range(24)])
+        time.sleep(.08)

python/samples/go

@@ -0,0 +1,3 @@
+python led8x8.py /dev/ttyUSB0
+# python EDS-take-a-ticket.py /dev/ttyUSB0
+# python i2cgui.py

python/setup.py

@@ -19,9 +19,6 @@ setup(name='i2cdriver',
       install_requires=['pyserial'],
       py_modules = [
         'i2cdriver',
-        'lm75b',
         'EDS',
-        'ht16k33',
-        'bargraph',
       ],
       )