From 3bb22c73db68352ffa813ca61a512670dfab2aae Mon Sep 17 00:00:00 2001
From: Cestmir Houska <czestmyr@gmail.com>
Date: Fri, 7 Dec 2012 07:04:37 +0100
Subject: [PATCH] Added a program for outputting the CZK exchange rates onto a
 5x4 matrix

Signed-off-by: Cestmir Houska <czestmyr@gmail.com>
---
 host_python/meny.py | 627 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 627 insertions(+)
 create mode 100644 host_python/meny.py

diff --git a/host_python/meny.py b/host_python/meny.py
new file mode 100644
index 0000000..ec7059e
--- /dev/null
+++ b/host_python/meny.py
@@ -0,0 +1,627 @@
+import sys, time, socket, string, threading, httplib
+
+from ledbar import Ledbar
+
+WIDTH = 4
+HEIGHT = 5
+PIXELS = 20
+LETTER_WIDTH = 4
+HOST = "irc.freenode.net"
+PORT = 6667
+NICK = "Ledbar"
+IDENT = "Ledbar"
+REALNAME = "Brmlab Led display"
+
+chars = {
+  ' ': [
+    [0, 0],
+    [0, 0],
+    [0, 0],
+    [0, 0],
+    [0, 0]
+  ],
+  'A': [
+    [0, 1, 0],
+    [1, 0, 1],
+    [1, 1, 1],
+    [1, 0, 1],
+    [1, 0, 1]
+  ],
+  'B': [
+    [1, 1, 0],
+    [1, 0, 1],
+    [1, 1, 0],
+    [1, 0, 1],
+    [1, 1, 0]
+  ],
+  'C': [
+    [0, 1, 0],
+    [1, 0, 1],
+    [1, 0, 0],
+    [1, 0, 1],
+    [0, 1, 0]
+  ],
+  'D': [
+    [1, 1, 0],
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 1, 0]
+  ],
+  'E': [
+    [1, 1, 1],
+    [1, 0, 0],
+    [1, 1, 0],
+    [1, 0, 0],
+    [1, 1, 1]
+  ],
+  'F': [
+    [1, 1, 1],
+    [1, 0, 0],
+    [1, 1, 0],
+    [1, 0, 0],
+    [1, 0, 0]
+  ],
+  'G': [
+    [0, 1, 1, 0],
+    [1, 0, 0, 0],
+    [1, 0, 1, 1],
+    [1, 0, 0, 1],
+    [0, 1, 1, 0]
+  ],
+  'H': [
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 1, 1],
+    [1, 0, 1],
+    [1, 0, 1]
+  ],
+  'I': [
+    [1, 1, 1],
+    [0, 1, 0],
+    [0, 1, 0],
+    [0, 1, 0],
+    [1, 1, 1]
+  ],
+  'J': [
+    [0, 1, 1],
+    [0, 0, 1],
+    [0, 0, 1],
+    [1, 0, 1],
+    [0, 1, 0]
+  ],
+  'K': [
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 1, 0],
+    [1, 0, 1],
+    [1, 0, 1]
+  ],
+  'L': [
+    [1, 0, 0],
+    [1, 0, 0],
+    [1, 0, 0],
+    [1, 0, 0],
+    [1, 1, 1]
+  ],
+  'M': [
+    [1, 0, 0, 0, 1],
+    [1, 1, 0, 1, 1],
+    [1, 0, 1, 0, 1],
+    [1, 0, 0, 0, 1],
+    [1, 0, 0, 0, 1]
+  ],
+  'N': [
+    [1, 0, 0, 1],
+    [1, 1, 0, 1],
+    [1, 0, 1, 1],
+    [1, 0, 0, 1],
+    [1, 0, 0, 1]
+  ],
+  'O': [
+    [0, 1, 0],
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 0, 1],
+    [0, 1, 0]
+  ],
+  'P': [
+    [1, 1, 0],
+    [1, 0, 1],
+    [1, 1, 0],
+    [1, 0, 0],
+    [1, 0, 0]
+  ],
+  'Q': [
+    [0, 1, 1, 0],
+    [1, 0, 0, 1],
+    [1, 0, 0, 1],
+    [1, 0, 1, 0],
+    [0, 1, 0, 1]
+  ],
+  'R': [
+    [1, 1, 0],
+    [1, 0, 1],
+    [1, 1, 0],
+    [1, 0, 1],
+    [1, 0, 1]
+  ],
+  'S': [
+    [0, 1, 1],
+    [1, 0, 0],
+    [0, 1, 0],
+    [0, 0, 1],
+    [1, 1, 0]
+  ],
+  'T': [
+    [1, 1, 1],
+    [0, 1, 0],
+    [0, 1, 0],
+    [0, 1, 0],
+    [0, 1, 0]
+  ],
+  'U': [
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 1, 1]
+  ],
+  'V': [
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 0, 1],
+    [0, 1, 0]
+  ],
+  'W': [
+    [1, 0, 0, 0, 1],
+    [1, 0, 1, 0, 1],
+    [1, 0, 1, 0, 1],
+    [1, 0, 1, 0, 1],
+    [1, 1, 0, 1, 0]
+  ],
+  'X': [
+    [1, 0, 1],
+    [1, 0, 1],
+    [0, 1, 0],
+    [1, 0, 1],
+    [1, 0, 1]
+  ],
+  'Y': [
+    [1, 0, 1],
+    [1, 0, 1],
+    [0, 1, 0],
+    [0, 1, 0],
+    [0, 1, 0]
+  ],
+  'Z': [
+    [1, 1, 1],
+    [0, 0, 1],
+    [0, 1, 0],
+    [1, 0, 0],
+    [1, 1, 1]
+  ],
+  '!': [
+    [1],
+    [1],
+    [1],
+    [0],
+    [1]
+  ],
+  'a': [
+    [1, 1, 0],
+    [0, 0, 1],
+    [0, 1, 1],
+    [1, 0, 1],
+    [0, 1, 0]
+  ],
+  'b': [
+    [1, 0, 0],
+    [1, 0, 0],
+    [1, 1, 0],
+    [1, 0, 1],
+    [1, 1, 0]
+  ],
+  'c': [
+    [0, 0, 0],
+    [0, 1, 1],
+    [1, 0, 0],
+    [1, 0, 0],
+    [0, 1, 1]
+  ],
+  'd': [
+    [0, 0, 1],
+    [0, 0, 1],
+    [0, 1, 1],
+    [1, 0, 1],
+    [0, 1, 1]
+  ],
+  'e': [
+    [0, 1, 0],
+    [1, 0, 1],
+    [1, 1, 1],
+    [1, 0, 0],
+    [0, 1, 0]
+  ],
+  'f': [
+    [0, 1, 1],
+    [1, 0, 0],
+    [1, 1, 0],
+    [1, 0, 0],
+    [1, 0, 0]
+  ],
+  'g': [
+    [0, 1, 1],
+    [1, 0, 1],
+    [0, 1, 1],
+    [0, 0, 1],
+    [1, 1, 0]
+  ],
+  'h': [
+    [1, 0, 0],
+    [1, 0, 0],
+    [1, 1, 0],
+    [1, 0, 1],
+    [1, 0, 1]
+  ],
+  'i': [
+    [0],
+    [1],
+    [0],
+    [1],
+    [1]
+  ],
+  'j': [
+    [0, 0, 1],
+    [0, 0, 0],
+    [0, 0, 1],
+    [1, 0, 1],
+    [0, 1, 0]
+  ],
+  'k': [
+    [1, 0, 0],
+    [1, 0, 0],
+    [1, 0, 1],
+    [1, 1, 0],
+    [1, 0, 1]
+  ],
+  'l': [
+    [1, 1],
+    [0, 1],
+    [0, 1],
+    [0, 1],
+    [0, 1]
+  ],
+  'm': [
+    [0, 0, 0, 0, 0],
+    [0, 1, 0, 1, 1],
+    [1, 0, 1, 0, 1],
+    [1, 0, 1, 0, 1],
+    [1, 0, 1, 0, 1]
+  ],
+  'n': [
+    [0, 0, 0],
+    [1, 1, 0],
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 0, 1]
+  ],
+  'o': [
+    [0, 0, 0],
+    [0, 1, 0],
+    [1, 0, 1],
+    [1, 0, 1],
+    [0, 1, 0]
+  ],
+  'p': [
+    [0, 0, 0],
+    [1, 1, 0],
+    [1, 0, 1],
+    [1, 1, 0],
+    [1, 0, 0]
+  ],
+  'q': [
+    [0, 0, 0],
+    [0, 1, 1],
+    [1, 0, 1],
+    [0, 1, 1],
+    [0, 0, 1]
+  ],
+  'r': [
+    [0, 0],
+    [0, 1],
+    [1, 0],
+    [1, 0],
+    [1, 0]
+  ],
+  's': [
+    [0, 0, 0],
+    [0, 1, 1],
+    [1, 1, 0],
+    [0, 0, 1],
+    [1, 1, 0]
+  ],
+  't': [
+    [1, 0],
+    [1, 1],
+    [1, 0],
+    [1, 0],
+    [0, 1]
+  ],
+  'u': [
+    [0, 0, 0],
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 1, 1]
+  ],
+  'v': [
+    [0, 0, 0],
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 0, 1],
+    [0, 1, 0]
+  ],
+  'w': [
+    [0, 0, 0, 0, 0],
+    [1, 0, 0, 0, 1],
+    [1, 0, 1, 0, 1],
+    [1, 0, 1, 0, 1],
+    [0, 1, 0, 1, 0]
+  ],
+  'x': [
+    [0, 0, 0],
+    [1, 0, 1],
+    [0, 1, 0],
+    [1, 0, 1],
+    [1, 0, 1]
+  ],
+  'y': [
+    [0, 0, 0],
+    [1, 0, 1],
+    [0, 1, 1],
+    [0, 0, 1],
+    [0, 0, 1]
+  ],
+  'z': [
+    [0, 0, 0],
+    [1, 1, 1],
+    [0, 1, 0],
+    [1, 0, 0],
+    [1, 1, 1]
+  ],
+  '0': [
+    [1, 1, 1],
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 1, 1]
+  ],
+  '1': [
+    [0, 0, 1],
+    [0, 1, 1],
+    [1, 0, 1],
+    [0, 0, 1],
+    [0, 0, 1]
+  ],
+  '2': [
+    [1, 1, 0],
+    [0, 0, 1],
+    [0, 1, 0],
+    [1, 0, 0],
+    [1, 1, 1]
+  ],
+  '3': [
+    [1, 1, 0],
+    [0, 0, 1],
+    [0, 1, 0],
+    [0, 0, 1],
+    [1, 1, 0]
+  ],
+  '4': [
+    [1, 0, 1],
+    [1, 0, 1],
+    [1, 1, 1],
+    [0, 0, 1],
+    [0, 0, 1]
+  ],
+  '5': [
+    [1, 1, 1],
+    [1, 0, 0],
+    [1, 1, 0],
+    [0, 0, 1],
+    [1, 1, 0]
+  ],
+  '6': [
+    [0, 1, 1],
+    [1, 0, 0],
+    [1, 1, 0],
+    [1, 0, 1],
+    [0, 1, 0]
+  ],
+  '7': [
+    [1, 1, 1],
+    [0, 0, 1],
+    [0, 1, 1],
+    [0, 0, 1],
+    [0, 0, 1]
+  ],
+  '8': [
+    [0, 1, 0],
+    [1, 0, 1],
+    [0, 1, 0],
+    [1, 0, 1],
+    [0, 1, 0]
+  ],
+  '9': [
+    [0, 1, 0],
+    [1, 0, 1],
+    [0, 1, 1],
+    [0, 0, 1],
+    [1, 1, 0]
+  ],
+  ',': [
+    [0],
+    [0],
+    [0],
+    [1],
+    [1]
+  ],
+  '.': [
+    [0],
+    [0],
+    [0],
+    [0],
+    [1]
+  ],
+  ':': [
+    [0],
+    [1],
+    [0],
+    [1],
+    [0]
+  ],
+  '=': [
+    [0, 0, 0],
+    [1, 1, 1],
+    [0, 0, 0],
+    [1, 1, 1],
+    [0, 0, 0]
+  ],
+  '|': [
+    [1],
+    [1],
+    [1],
+    [1],
+    [1]
+  ]
+}
+
+def set_pixel_2d(bar, x, y, r, g, b):
+  bar.set_pixel(WIDTH - x - 1 + y*WIDTH, r, g, b)
+
+class TextScroller:
+  def __init__(self):
+    self.dt = 0.12
+    self.reset("Hello, world!");
+
+  def reset(self, text):
+    self.text = text
+    self.idx = 0
+    self.col = 0
+    self.kern = 1
+    self.gap = 1
+    self.r = 1
+    self.g = 1
+    self.b = 1
+    self.scroll_len = len(self.text) + self.gap
+
+  def letter_dx(self, ltr_idx):
+    return self.letter_width(ltr_idx) + self.kern
+
+  def letter_width(self, ltr_idx):
+    if ltr_idx >= len(self.text):
+      return 4
+    if self.text[ltr_idx] in chars:
+      return len(chars[self.text[ltr_idx]][0])
+    else:
+      return 4
+
+  def update(self, ledbar):
+    time.sleep(self.dt)
+    idx = self.idx
+    col = self.col
+    for x in range(WIDTH):
+      char = None
+      if idx < len(self.text) and self.text[idx] in chars:
+        char = chars[self.text[idx]]
+
+      display = False
+      if char != None and col < self.letter_width(idx):
+        display = True
+
+      for y in range(HEIGHT):
+        if display and char[y][col] == 1:
+          set_pixel_2d(ledbar, x, y, self.r, self.g, self.b)
+        else:
+          set_pixel_2d(ledbar, x, y, 0, 0, 0)
+
+      col = col + 1
+      if col == self.letter_dx(idx):
+        idx += 1
+        if idx >= self.scroll_len:
+          idx = 0
+        col = 0
+
+    self.col += 1
+    if self.col >= self.letter_dx(self.idx):
+      self.idx = (self.idx + 1) % self.scroll_len
+      self.col = 0
+      
+    return ledbar.update()
+
+l = Ledbar(PIXELS)
+work = True
+scroll = TextScroller()
+
+class WebThread(threading.Thread):
+  def __init__(self):
+    self.lineNum = -1
+    self.line = ""
+    self.mutex = threading.Lock()
+    threading.Thread.__init__(self)
+
+  def run(self):
+    while(True):
+      self.loop()
+
+  def loop(self):
+    http = httplib.HTTPConnection("www.cnb.cz")
+    http.request("GET", "http://www.cnb.cz/cs/financni_trhy/devizovy_trh/kurzy_devizoveho_trhu/denni_kurz.txt")
+    resp = http.getresponse()
+    data = resp.read()
+    http.close()
+
+    linenum = 0
+    self.text = "Data z CNB.cz:"
+    for line in data.split("\n"):
+      linenum += 1
+      if linenum < 3:
+        continue
+
+      linedata = line.split("|")
+      if len(linedata) < 5:
+        continue
+      self.text = self.text + " " + linedata[2] + " " + linedata[3] + " = " + linedata[4] + " CZK |"
+
+    self.lock()
+    self.line = self.text
+    self.lineNum += 1
+    self.unlock()
+    time.sleep(600)
+
+  def lock(self):
+    self.mutex.acquire()
+
+  def unlock(self):
+    self.mutex.release()
+
+  def getLine(self):
+    return self.line
+
+  def getLineNum(self):
+    return self.lineNum
+
+web = WebThread()
+web.start()
+prevnum = -1
+while work:
+  web.lock()
+  if web.getLineNum() != prevnum:
+    prevnum = web.getLineNum()
+    scroll.reset(web.getLine())
+  web.unlock()
+
+  work = scroll.update(l)
+