[Из песочницы] Вывод температуры, пробок и курса валют на светодиодную матрицу Raspberry Pi
#!/usr/bin/env python # -*- coding: utf-8 -*-
import max7219.led as led import max7219.font as font import threading, sys, time import digits import urllib2 import json import xml.etree.ElementTree as ET
debug=0
def log (message): if debug==1: print (message)
device = led.matrix (cascaded=1)
device.brightness (0)
hourglass = [ [0,1,1,1,1,1,1,0], [0,1,0,0,0,0,1,0], [0,0,1,0,0,1,0,0], [0,0,0,1,1,0,0,0], [0,0,0,1,1,0,0,0], [0,0,1,0,0,1,0,0], [0,1,0,0,0,0,1,0], [0,1,1,1,1,1,1,0], ]
jopa = [ [0,0,1,1,1,1,1,0], [0,1,1,1,1,1,1,1], [0,1,0,0,1,0,0,1], [0,1,1,1,1,1,1,1], [0,0,1,1,0,1,1,0], [0,0,1,1,1,1,1,0], [0,0,1,1,1,1,1,0], [0,0,1,0,1,0,1,0], ]
sad = [ [0,0,1,1,1,1,0,0], [0,1,0,0,0,0,1,0], [1,0,1,0,0,1,0,1], [1,0,0,0,0,0,0,1], [1,0,0,1,1,0,0,1], [1,0,1,0,0,1,0,1], [0,1,0,0,0,0,1,0], [0,0,1,1,1,1,0,0], ]
#Thread with wait animation class TAnimationThread (threading.Thread): def __init__(self, threadID): threading.Thread.__init__(self) self.threadID = threadID self.Continue=True def run (self): log («Starting animation») counter=0 while (self.Continue): DrawAnimation (counter) counter+=1 if counter==7: counter=0 time.sleep (0.8) def stop (self): self.Continue = False log («Stopping animation») def DrawAnimation (counter): #draw log («Drawing animation»+str (counter)) if counter==0: for j in range (8): for i in range (8): if hourglass[j][i] == 1: device.pixel (i, 7-j, 1, redraw=False) elif counter>0 and counter<5: device.pixel(1+counter, 1, 1, redraw=False) elif counter==5 or counter==6: device.pixel(counter-2, 2, 1, redraw=False) else: device.clear() device.flush()
def fetch_traffic (url): global TrafficData try: response = urllib2.urlopen (url) TrafficData = int (response.read ()) log («Traffic fetched») except BaseException: TrafficData=-100 log (TrafficData) def fetch_currrate (url): global CurrencyData try: response = urllib2.urlopen (url) root = ET.fromstring (response.read ()) CurrencyData=float (root[16][5].text)/100 log («Currency fetched») except BaseException: CurrencyData=-100 log (CurrencyData) #Let’s begin log («Starting animation thread») AnimationThread = TAnimationThread (1) AnimationThread.start ()
log («Starting traffic thread») TrafficThread = threading.Thread (target=fetch_traffic, args=(«http://tarasius.name/@/probki.txt»,)) TrafficThread.start ()
CurrencyThread = threading.Thread (target=fetch_currrate, args=(«http://tarasius.name/@/currrate.xml»,)) CurrencyThread.start ()
# Get and show temperature log («Starting weather fetch») try: response = urllib2.urlopen («http://tarasius.name/@/weather.json») data = json.loads (response.read ()) response.close () temp = int (data[«data»][«current_condition»][0][«temp_C»]) precip = float (data[«data»][«current_condition»][0][«precipMM»]) temp1 = abs (temp)/10 temp2 = abs (temp)%10 except BaseException: temp=-100 precip=-100 temp1=-100 temp2=-100 log («Stopping animation thread») AnimationThread.stop () device.clear () device.flush ()
m = [[0 for x in range (8)] for x in range (64)] if precip==-100: #cloudcover was unavailable for j in range (8): for i in range (8): if sad[i][j] == 1: m[j][7-i]=1 #draw cloudcover elif precip>1.5: m[0][7] = 1 m[2][7] = 1 m[4][7] = 1 elif precip<=1.5 and precip>0.5: m[1][7] = 1 m[3][7] = 1 elif precip<=0.5 and precip>0.1: m[2][7] = 1
if temp>-100: if temp<0: #Draw minus m[0][3] = 1 if temp1==0: m[1][3]=1 m[2][3]=1 m[3][3]=1 if temp1<>0: #Draw first digit for j in range (digits.rows): for i in range (digits.columns): if digits.symbol[temp1][j][i] == 1: m[i+1][5-j] = 1 #draw second digit for j in range (digits.rows): for i in range (digits.columns): if digits.symbol[temp2][j][i] == 1: m[i+5][5-j] = 1 #draw celsium sign m[7][7] = 1
log («Drawing temperature») for i in range (8): for j in range (8): if m[j][i]==1: device.pixel (j, i, 1, redraw=False)
device.flush () time.sleep (5)
#Show traffic #Draw first digit TrafficThread.join () if TrafficData==10: for j in range (8): for i in range (8): if jopa[j][i] == 1: m[10+i][j]=1 elif TrafficData==-100: for j in range (8): for i in range (8): if sad[j][i] == 1: m[10+i][7-j]=1 else: #draw car m[10][6]=1 m[10][3]=1 m[11][7]=1 m[11][6]=1 m[11][5]=1 m[11][4]=1 m[11][3]=1 m[11][2]=1 m[12][5]=1 m[12][4]=1 TrafficData = TrafficData%10 #draw second digit for j in range (digits.rows): for i in range (digits.columns): if digits.symbol[TrafficData][j][i] == 1: m[i+15][5-j]=1
log («Drawing traffic») for step in range (9): device.clear () for i in range (8): for j in range (8): if m[i+step+2][j]==1: device.pixel (i, j, 1, redraw=False) device.flush () time.sleep (0.2)
time.sleep (5)
#Show currency CurrencyThread.join () if CurrencyData==-100: for j in range (8): for i in range (8): if sad[j][i] == 1: m[22+i][7-j]=1 else: cur=str (CurrencyData) for d in range (5): if cur[d]==».»: digit=-1 else: digit=int (cur[d]) if digit==-1: m[22+d*5][0]=1 else: for j in range (digits.rows): for i in range (digits.columns): if digits.symbol[digit][j][i] == 1: m[i+21+d*5][5-j]=1 log («Drawing currency») for step in range (36): device.clear () for i in range (8): for j in range (8): if m[i+step+11][j]==1: device.pixel (i, j, 1, redraw=False) device.flush () time.sleep (0.2)
device.clear () device.flush () sys.exit ()
