matrix.py

#!/usr/bin/env python
import RPi.GPIO as GPIO
import time
from time import sleep
GPIO.setmode(GPIO.BCM)
cathodes = [11, 9, 10, 22, 27, 17]
anodes = [7, 8, 25, 24]
st = 0.001
spd = 30
# Letter data arrays
blank = [[0,0,0,0,0,0], [0,0,0,0,0,0], [0,0,0,0,0,0], [0,0,0,0,0,0]]
a = [[0,1,1,1,1,1], [1,0,0,1,0,0], [1,0,0,1,0,0], [0,1,1,1,1,1]]
b = [[1,1,1,1,1,1], [1,0,1,0,0,1], [1,1,1,0,0,1], [0,0,0,1,1,1]]
c = [[1,1,1,1,1,1], [1,0,0,0,0,1], [1,0,0,0,0,1], [1,1,0,0,1,1]]
d = [[1,1,1,1,1,1], [1,0,0,0,0,1], [1,0,0,0,0,1], [0,1,1,1,1,0]]
e = [[1,1,1,1,1,1], [1,0,1,1,0,1], [1,0,1,1,0,1], [1,0,1,1,0,1]]
f = [[1,1,1,1,1,1], [1,0,1,0,0,0], [1,0,1,0,0,0], [1,0,1,0,0,0]]
g = [[1,1,1,1,1,1], [1,0,0,0,0,1], [1,0,0,1,0,1], [1,1,0,1,1,1]]
h = [[1,1,1,1,1,1], [0,0,1,1,0,0], [0,0,1,1,0,0], [1,1,1,1,1,1]]
i = [[1,1,0,0,1,1], [1,1,1,1,1,1], [1,1,1,1,1,1], [1,1,0,0,1,1]]
j = [[1,0,0,0,1,1], [1,0,0,0,0,1], [1,1,1,1,1,1], [1,0,0,0,0,0]]
k = [[1,1,1,1,1,1], [0,0,1,1,0,0], [0,0,1,1,0,0], [1,1,0,0,1,1]]
l = [[1,1,1,1,1,1], [1,1,1,1,1,1], [0,0,0,0,1,1], [0,0,0,0,1,1]]
m = [[0,0,1,1,1,1], [0,0,0,1,1,0], [0,0,0,1,1,0], [0,0,1,1,1,1]]
n = [[0,0,1,1,1,1], [0,0,0,1,0,0], [0,0,0,0,1,0], [0,0,1,1,1,1]]
o = [[1,1,1,1,1,1], [1,0,0,0,0,1], [1,0,0,0,0,1], [1,1,1,1,1,1]]
p = [[1,1,1,1,1,1], [1,0,1,0,0,0], [1,0,1,0,0,0], [1,1,1,0,0,0]]
q = [[1,1,1,0,0,0], [1,0,1,0,0,0], [1,1,1,1,1,1],[0,0,0,0,0,1]]
r = [[1,1,1,1,1,1], [1,0,1,1,0,0], [1,0,1,1,0,0], [0,1,1,0,1,1]]
s = [[0,1,1,0,1,0], [1,0,1,0,0,1], [1,0,1,0,0,1], [0,1,0,1,1,0]]
t = [[1,1,0,0,0,0], [1,1,1,1,1,1], [1,1,1,1,1,1], [1,1,0,0,0,0]]
u = [[1,1,1,1,1,1], [0,0,0,0,0,1], [0,0,0,0,0,1], [1,1,1,1,1,1]]
v = [[0,1,1,1,1,0], [0,0,0,0,0,1], [0,0,0,0,0,1], [0,1,1,1,1,0]]
w = [[0,0,0,1,1,1], [0,0,0,0,1,1], [0,0,0,0,1,1], [0,0,0,1,1,1]]
x = [[0,0,1,0,0,1], [0,0,0,1,1,0], [0,0,0,1,1,0], [0,0,1,0,0,1]]
y = [[1,1,0,0,0,0], [0,0,1,1,1,1], [0,0,1,1,1,1], [1,1,0,0,0,0]]
z = [[0,0,1,0,0,1], [0,0,1,0,1,1], [0,0,1,1,0,1], [0,0,1,0,0,1]]
flash = [[1,1,1,1,1,1], [1,1,1,1,1,1], [1,1,1,1,1,1], [1,1,1,1,1,1]]
exclamation = [[0,0,0,0,0,0], [1,1,1,0,1,1], [1,1,1,0,1,1], [0,0,0,0,0,0]]
## Scrolling dots
cha = [[1,0,0,0,0,0], [0,0,0,0,0,0], [0,0,0,0,0,0],[0,0,0,0,0,0]]
chb = [[0,1,0,0,0,0], [1,0,0,0,0,0], [0,0,0,0,0,0], [0,0,0,0,0,0]]
chc = [[1,0,1,0,0,0], [0,1,0,0,0,0], [1,0,0,0,0,0], [0,0,0,0,0,0]]
chd = [[0,1,0,1,0,0], [1,0,1,0,0,0], [0,1,0,0,0,0], [1,0,0,0,0,0]]
che = [[1,0,1,0,1,0], [0,1,0,1,0,0], [1,0,1,0,0,0], [0,1,0,0,0,0]]
chf = [[0,1,0,1,0,1], [1,0,1,0,1,0], [0,1,0,1,0,0], [1,0,1,0,0,0]]
chg = [[1,0,1,0,1,0], [0,1,0,1,0,1], [1,0,1,0,1,0], [0,1,0,1,0,0]]
chh = [[0,1,0,1,0,1], [1,0,1,0,1,0], [0,1,0,1,0,1], [1,0,1,0,1,0]]
chi = [[1,0,1,0,1,0], [0,1,0,1,0,1], [1,0,1,0,1,0], [0,1,0,1,0,1]]
chj = [[0,1,0,1,0,1], [1,0,1,0,1,0], [0,1,0,1,0,1], [1,0,1,0,1,0]]
chk = [[1,0,1,0,1,0], [0,1,0,1,0,1], [1,0,1,0,1,0], [0,1,0,1,0,1]]
chl = [[0,1,0,1,0,1], [1,0,1,0,1,0], [0,1,0,1,0,1], [1,0,1,0,1,0]]
chm = [[1,0,1,0,1,0], [0,1,0,1,0,1], [1,0,1,0,1,0], [0,1,0,1,0,1]]
chn = [[0,1,0,1,0,1], [1,0,1,0,1,0], [0,1,0,1,0,1], [1,0,1,0,1,0]]
cho = [[0,0,1,0,1,0], [0,1,0,1,0,1], [1,0,1,0,1,0], [0,1,0,1,0,1]]
chp = [[0,0,0,1,0,1], [0,0,1,0,1,0], [0,1,0,1,0,1], [1,0,1,0,1,0]]
chq = [[0,0,0,0,1,0], [0,0,0,1,0,1], [0,0,1,0,1,0], [0,1,0,1,0,1]]
chv = [[0,0,0,0,0,1], [0,0,0,0,1,0], [0,0,0,1,0,1],[0,0,1,0,1,0]]
chs = [[0,0,0,0,0,0], [0,0,0,0,0,1], [0,0,0,0,1,0], [0,0,0,1,0,1]]
cht = [[0,0,0,0,0,0], [0,0,0,0,0,0], [0,0,0,0,0,1], [0,0,0,0,1,0]]
chu = [[0,0,0,0,0,0], [0,0,0,0,0,0], [0,0,0,0,0,0], [0,0,0,0,0,0]]
cyc = [ cha, chb, chc, chd, che, chf, chg, chh, chi, chj, chk, chl, chm, chn, cho, chp, chq, chv, chs, cht, chu ]#scrolling dots 22
#cyc = [ r, blank, a, blank, s, blank, p, blank, b, blank, e, blank, r, blank, r, blank, y, blank, blank, p, blank, i ]
#data = input()
#cyc = data
rng = len(cyc)
for cathode in cathodes:
        GPIO.setup(cathode, GPIO.OUT)
        GPIO.output(cathode, 0)
for anode in anodes:
        GPIO.setup(anode, GPIO.OUT)
        GPIO.output(anode, 0)
try:
    while True:
             for frame in range(rng):
                     for pause in range(spd):
                             for i in range(4):
                                     GPIO.output(cathodes[0],cyc[frame][i][0])
                                     GPIO.output(cathodes[1],cyc[frame][i][1])
                                     GPIO.output(cathodes[2],cyc[frame][i][2])
                                     GPIO.output(cathodes[3],cyc[frame][i][3])
                                     GPIO.output(cathodes[4],cyc[frame][i][4])
                                     GPIO.output(cathodes[5],cyc[frame][i][5])
                                     GPIO.output(anodes[i],1)
                                     sleep(st)
                                     GPIO.output(anodes[i],0)
except KeyboardInterrupt:
#    print data
    GPIO.cleanup()