def run(self): i = 0 while (True): try: if (i == 0): data = self.getdata() for pak in data: lcd = lcddriver.lcd() lcd.lcd_clear() st = lcd_rus.convertToRUSchar1602(pak['alltext']) lcd.lcd_load_custom_chars(st['chardata']) for l in pak['list']: structtext = lcd_rus.convertToRUSchar1602(l['text']) self.display(structtext, l['line'], lcd) sleep(5) if (i == 6): i = -1 except: lcd = lcddriver.lcd() lcd.lcd_clear() st = lcd_rus.convertToRUSchar1602(u'Ошибка!!!') lcd.lcd_load_custom_chars(st['chardata']) self.display(st, 1, lcd) sleep(120) i += 1
def adduser(request): GPIO.setmode(GPIO.BOARD) reader = SM() display = lcddriver.lcd() if request.method == 'POST': first_name = request.POST['first_name'] last_name = request.POST['last_name'] try: display.lcd_clear() # Write line of text to first line of display display.lcd_display_string( "Pointez ici !", 1) # Write line of text to first line of display id, text = reader.read() finally: GPIO.cleanup() rfid = id Utlisateur.objects.create(rfid=rfid, first_name=first_name, last_name=last_name) return redirect(users) else: return render(request, 'base2.html', locals())
class Search: global display display = lcddriver.lcd() baseMethod = baseMethods.BaseMethods() def __init__(self): pass def main(self): temp = self.baseMethod.genImg() if temp == 2: return [404] pass elif (temp == 0): if self.baseMethod.img2Tz(1): display.lcd_clear() display.lcd_display_string('Conversion Error',1) time.sleep(2) display.lcd_clear() sys.exit(0) r = self.baseMethod.search() # template conversion done. Now check whether the finger if r[0] == 0: return [r[0], r[1], r[2]] else: return [304] else: sys.exit(0)
def checkpass() : kp = keypad() txt = password_txt() display = lcddriver.lcd() display.lcd_clear() time.sleep(1) check = 0 arrayPass = [] show = "" count = 0 rounds = 0 display.lcd_display_string("Enter Password ",1) while True : # Loop while waiting for a keypress digit = None while digit == None: digit = kp.getKey() time.sleep(0.1) rounds += 1 if(rounds == 150): break if(rounds == 150): break if(digit != "A" and digit != "B" and digit != "C" and digit != "D" and digit != "*" and digit != "#"): time.sleep(0.4) arrayPass.append(str(digit)) count += 1 rounds = 0 if digit == "B" : time.sleep(0.4) if(count != 0) : count = count - 1 arrayPass.pop(count) display.lcd_display_string(" ",2) rounds = 0 show = "" if(count != 0): for i in range(count): show += str(arrayPass[i]) display.lcd_display_string(show,2) time.sleep(0.4) if(count == 4): password = txt.read() if(str(show) == str(password)): check = 1 else: display.lcd_display_string("Incorrect!!! ",2) time.sleep(3) break display.lcd_clear() time.sleep(1) if(check == 1): return True else: return False
def __init__(self, logger): # Scan I2C bus for LCD I2C addresses as defined in led_i2c, we have a couple of models of LCD which have different adreses that are shipped with emonPi. First I2C device to match address is used. self.logger = logger for i2c_address in lcd_i2c: lcd_status = subprocess.check_output( [path + "/emonPiLCD_detect.sh", "%s" % i2c_address]) if lcd_status.rstrip() == 'True': print "I2C LCD DETECTED Ox%s" % i2c_address logger.info("I2C LCD DETECTED 0x%s" % i2c_address) current_lcd_i2c = "0x%s" % i2c_address # add file to identify device as emonpi open('/home/pi/data/emonpi', 'a').close() break if lcd_status.rstrip() == 'False': print("I2C LCD NOT DETECTED on either 0x" + str(lcd_i2c) + " ...exiting LCD script") logger.error("I2C LCD NOT DETECTED on either 0x" + str(lcd_i2c) + " ...exiting LCD script") # add file to identify device as emonbase open('/home/pi/data/emonbase', 'a').close() sys.exit(1) # Init LCD using detected I2C address with 16 characters self.lcd = lcddriver.lcd(int(current_lcd_i2c, 16)) self._display = ['', '']
def weathertom(): lcd = lcddriver.lcd() lcd.lcd_clear() d = str(datetime.date.today() + datetime.timedelta(days=-1)) params = { 'access_key': 'b4b8c3cd76ddc589b6c3962ba7a45a66', 'query': 'Paris' } api_result2 = requests.get( 'http://api.weatherstack.com/forecast?access_key=b4b8c3cd76ddc589b6c3962ba7a45a66&query=Paris', params) api_response2 = api_result2.json() mintemptom = int(api_response2['forecast'][d]['mintemp']) maxtemptom = int(api_response2['forecast'][d]['maxtemp']) if mintemptom < 15: lcd.lcd_display_string("Tommorow, min temp is ", 1) lcd.lcd_display_string(str(mintemptom) + " think to", 2) lcd.lcd_display_string("put the heating on", 3) if maxtemptom > 28: lcd.lcd_display_string("Tommorow, max temp is", 1) lcd.lcd_display_string(str(maxtemptom) + " think about", 2) lcd.lcd_display_string("put the air", 3) lcd.lcd_display_string("conditionning on", 4) if maxtemptom < 28 and mintemptom > 15: lcd.lcd_display_string("Tommorow's temp", 1) lcd.lcd_display_string("don't need", 2) lcd.lcd_display_string("heating nor air con", 3) time.sleep(5)
def loading(): lcd = lcddriver.lcd() lcd.lcd_clear() lcd.lcd_display_string('loading......', 1) time.sleep(5)
def display(temp, humidity, resair, sound): lcd = lcddriver.lcd() lcd.lcd_clear() if temp < 24 and temp > 19: lcd.lcd_display_string(str(temp) + " °C ideal temp", 1) if temp < 18: lcd.lcd_display_string(str(temp) + " °C low temp", 1) if temp > 24: lcd.lcd_display_string(str(temp) + " °C high temp", 1) if humidity < 60 and humidity > 40: lcd.lcd_display_string(str(humidity) + " correct hum", 2) if humidity > 60: lcd.lcd_display_string(str(humidity) + " open window", 2) if humidity < 40: lcd.lcd_display_string(str(humidity) + " low hum", 2) resair = abs((160000 - resair) / 160000) if resair > 10: lcd.lcd_display_string("Open the windows", 3) if resair < 10: lcd.lcd_display_string("Nice IAQ", 3) if sound > 350: lcd.lcd_display_string(str(sound) + " TOO LOUD", 4) if sound < 350: lcd.lcd_display_string(str(sound) + " It's calm", 4) time.sleep(11)
def __init__(self): self.power = True self.text = ["", ""] self.previous_text = ["", ""] self.setGPIO() self.display = lcddriver.lcd() os.chdir("/home/pi/Desktop/Sudoku-Plotter/script/lcd")
def __init__(self, title, index): self.title = title self.menuIndex = index self.prevMenu = self self.subMenuObj = [] self.display = lcddriver.lcd() self.button = keypaddriver.keypad()
def menu(self): display = lcddriver.lcd() kp = keypad() display.lcd_clear() time.sleep(1) while True : display.lcd_display_string("A)Shutdown",1) display.lcd_display_string("B)Reboot",2) key = None while key == None: key = kp.getKey() if(key == "A"): display.lcd_clear() time.sleep(1) display.lcd_display_string("Shutdown...",1) time.sleep(2) display.lcd_clear() print(subprocess.call("shutdown -h now", shell=True)) break if(key == "B"): display.lcd_clear() time.sleep(1) display.lcd_display_string("Reboot...",1) print(subprocess.call("sudo reboot", shell=True)) break if(key == "C"): password.changepass() break if(key == "D"): display.lcd_clear() time.sleep(1) display.lcd_display_string("Cancel...",1) time.sleep(2) break
def __init__(self,LCDQueue,LCDEvent): super(LCDControl, self).__init__() self.LCDQueue = LCDQueue self.LCDEvent = LCDEvent self.rowSize = [14,0] self.lcd = lcddriver.lcd() self.lcd.lcd_display_string("System Running", 1) self.lcd.lcd_display_string("v3.00", 2)
def __init__(self): self.lcd = lcddriver.lcd() self.lcd.lcd_clear() self.lcd.lcd_display_string(" ", 1) self.lcd.lcd_display_string(" *** PI ALARM *** ", 2) self.lcd.lcd_display_string("", 3) self.lcd.lcd_display_string("(c) BARTHELEMY ", 4) sleep(5)
def init_lcd_display(): global lcd try: lcd = lcddriver.lcd() lcd.lcd_clear(); lcd.lcd_display_string("Meteo HellTech", 1) except: pass
def initCharDisplay(self): if self.lcdActive: import lcddriver self.lcd = lcddriver.lcd() else: self.lcd = None self.lcdLineLength = 20 self.lcdNumLines = 4
class RegisterUser: global display display = lcddriver.lcd() srh = search.Search() enr = enroll.Enroll() def __init__(self): pass def main(self): b = False timeStamp = time.time() while (time.time() - timeStamp) <= 120: display.lcd_clear() display.lcd_display_string("Put Authorizer's", 1) display.lcd_display_string("Finger", 2) a = self.srh.main() if a[0] != 404 and a[0] != 304: try: fp = open('records.txt', 'r') for line in fp: arg1, arg2 = line.split(',') if arg1 == str(a[1]) and arg2 == (str(a[2]) + "\n"): b = True break else: b = False finally: fp.close() break else: pass if b: timeStamp = time.time() while (time.time() - timeStamp) <= 120: display.lcd_clear() display.lcd_display_string("Put New Finger", 1) c = self.srh.main() if c[0] == 404: pass elif c[0] == 304: self.enr.main(1) break else: display.lcd_clear() display.lcd_display_string("Already", 1) display.lcd_display_string("Registered", 2) time.sleep(2) display.lcd_clear() break else: display.lcd_clear() display.lcd_display_string("Finger Isn't", 1) display.lcd_display_string("Authorized", 2) time.sleep(2) display.lcd_clear()
def main(): # Main program block lcd = lcddriver.lcd() while True: print("Escribe un texto por líneas de 20 caracteres y pulsa Enter seguido de Ctrl+D") msg = sys.stdin.readlines() lcd.lcd_clear() for x in range(len(msg)): lcd.lcd_display_string(msg[x].replace("\n", ""), x+1)
def __init__(self): self.stringdict = {1: "", 2: "", 3: "", 4: ""} self.blinkline = 1 self.blinkon = 0 self.button = 0 self.lcd = lcddriver.lcd() self.rot = KY040.KY040(21, 20, 24, self.rotarycallback, self.switchcallback) self.rot.start()
def lcdInfo(): print(Fore.YELLOW + "[!] Checkt LCD Display...") lcd = lcddriver.lcd() time = datetime.datetime.now() lcd.lcd_backlight("off") lcd.lcd_clear() lcd.lcd_display_string(" GreenPi ", 1) lcd.lcd_display_string(str(time), 2) print(Fore.GREEN + "[" + u'\u2713' + "] LCD Display aktualisiert!")
def long_string(display, text='', num_line=1, num_cols=20): if (len(text) > num_cols): display.lcd_display_string(text[:num_cols], num_line) time.sleep(1) for i in range(len(text) - num_cols + 5): text_to_print = text[i:i + num_cols] display.lcd_display_string(text_to_print, num_line) time.sleep(0.2) else: display.lcd_display_string(text, num_line) display = lcddriver.lcd()
def printLCD(string): lines = string if lines == "off": my_lcd = lcd() my_lcd.backlight_off() quit() if lines == "on": my_lcd = lcd() my_lcd.backlight_on() quit() my_lcd = lcd() my_lcd.clear() lines = lines.split('~') for (i, line) in enumerate(lines): line = line.replace('_', ' ') if len(line) > 16: line = lines[0:16] my_lcd.display_string(line, i + 1)
def wind(): lcd = lcddriver.lcd() while True: w = wind_arduino() v_w = w.wind() lcd.lcd_display_string(v_w, 4, 8) time.sleep(1)
def __init__(self, session): self._session = session # Setup hardware self._lcd = lcddriver.lcd() self._lcd.lcd_clear() self._state = 'locked' self._timestr = '' self._messageTimeout = 0 self.update()
def __init__(self, logger): # Check to see if LCD is connected if not then stop here self.logger = logger lcd_status = subprocess.check_output(["/home/pi/emonpi/lcd/emonPiLCD_detect.sh", "27"]) if lcd_status.rstrip() == 'False': print "I2C LCD NOT DETECTED...exiting LCD script" logger.error("I2C LCD NOT DETECTED...exiting LCD script") sys.exit(1) else: logger.info("I2C LCD Detected on 0x27") self.lcd = lcddriver.lcd() self._display = ['', '']
def updateLcd(self): lcd = lcddriver.lcd() while True: if (time.time() + 8 > self.lcdTimeout and self.lcdAltSecondLine is not None): self.lcdSecondLine = self.lcdAltSecondLine if (time.time() < self.lcdTimeout): lcd.lcd_backlight("on") lcd.lcd_display_string(time.ctime(), 1) lcd.lcd_display_string(self.lcdSecondLine, 2) if (time.time() > self.lcdTimeout): lcd.lcd_backlight("off") time.sleep(0.25)
def setUp(): display = lcddriver.lcd() display.lcd_clear() if not os.path.exists(ALARM_FILE): open(ALARM_FILE,"a").close() alsaaudio.Mixer('PCM').setvolume(70) GPIO.setmode(GPIO.BCM)
def print_on_lcd(txt="Hello World", time_on=5, waiting=False): display = lcddriver.lcd() display.lcd_display_string(txt, 1) try: if waiting: pass else: time.sleep(time_on) display.lcd_clear() except KeyboardInterrupt: display.lcd_clear() exit()
def update_lcd(temps, temp_names): try: #print("Updating LCD \n Temp 1",temps[0]) lcd = lcddriver.lcd() for i in range(0, 3): lcd.lcd_display_string(temp_names[i] + str(temps[i]) + "DegC", i) print("Temp 1:", str(temps[0])) print("Temp 2:", str(temps[1])) print("Temp 3:", str(temps[2])) except Exception as e: lcd.lcd_clear() lcd.lcd_display_string("Error Displaying Temps", 1) lcd.lcd_display_string(str(e), 2)
def open(self): """ Open connection to LCD display """ try: self.__outputDevice = lcddriver.lcd() if self.__outputDevice is None: raise RuntimeWarning self.__outputDevice.lcd_clear() time.sleep(1.0) # prevent timing issues except: if self.__deviceOpenRetries < 1: logger.error('Unable to open HD44780 LCD display!') self.__outputDevice = None self.__deviceOpenRetries += 1
def main(argv): global mode try: opts, args = getopt.getopt(argv, "rh", [ "help", "verbose" ]) except getopt.GetoptError: usage() sys.exit(2) for opt, arg in opts: if opt in ("-h", "--help"): usage() sys.exit() elif opt in ("-v", "--verbose"): global verbose verbose = True source = "".join(args) init_temperature_measurement() init_buttons() lcd = lcddriver.lcd() lcd.lcd_create_umlaute() lcd_banner(lcd) rss = rss_lib.rss_reader(feed_url, feed_db, LCD_WIDTH) post_list = rss.parse_feeds() while True: if mode == MODE_CLOCK: lcd.lcd_clear() lcd_create_bigfont(lcd) lcd_bigfont_clock(lcd) if mode == MODE_RSS: lcd.lcd_clear() lcd.lcd_create_umlaute() if len(post_list) == 0: post_list = rss.parse_feeds() if len(post_list) != 0: post = post_list[0] post_list.pop(0) lcd_print_text(lcd, post) if mode == MODE_TEMP: lcd.lcd_clear() lcd.lcd_create_umlaute() lcd_statistics(lcd) lcd_temperatures(lcd) lcd_weather(lcd)
def init(self): """ initialize display """ # initialize data structures self._content_deque = collections.deque(maxlen=self._rows - 1) self._fmt_line = u"{0:%d.%ds}" % (self._cols, self._cols) # initialize hardware try: self._lcd = lcddriver.lcd(port=self._i2c, tmap=self._transmap) except NameError: self.debug("no display detected") self.have_disp = False title = self._content_provider.get_title() self._update_display(self._format_title(*title), [], True)
def display(): lcd = lcddriver.lcd() lcd.lcd_clear() lcd.lcd_display_string('temp =', 1) lcd.lcd_display_string('C', 1, 12) lcd.lcd_display_string('press = ', 2) lcd.lcd_display_string('atm', 2, 12) lcd.lcd_display_string('hum = ', 3) lcd.lcd_display_string('%', 3, 12) lcd.lcd_display_string('wind = ', 4) lcd.lcd_display_string('km/h', 4, 13)
def camera_on(self): try: display = lcddriver.lcd() display.lcd_clear() time.sleep(1) display.lcd_display_string("Camera Detect", 1) cap = cv2.VideoCapture(0) snd = sound() check_eye = 0 sound_alert = 0 display.lcd_display_string("Ready... ", 2) while (True): ret, frame = cap.read() frame = cv2.resize(frame, (240, 160), interpolation=cv2.INTER_AREA) frame, check_eye = self.detect(frame, self.eyeCascade, check_eye) if (sound_alert == 0 and check_eye > 11): snd.on() sound_alert = 1 display.lcd_display_string("Detected !!!", 2) elif (sound_alert == 1 and check_eye == 0): snd.off() sound_alert = 0 display.lcd_display_string("Ready... ", 2) kp = keypad() if (kp.getKey() == "D"): time.sleep(0.4) display.lcd_display_string("Stopping... ", 2) time.sleep(2) display.lcd_clear() if (sound_alert == 1): snd.off() break cap.release() cv2.destroyAllWindows() except: display.lcd_display_string("Port Error!!! ", 2) time.sleep(3) display.lcd_clear() time.sleep(1) display.lcd_display_string("Reboot...", 1) print(subprocess.call("sudo reboot", shell=True))
def __init__(self, data): self.log = logging.getLogger('airpi.lcdpanel') self.cols = int(data["cols"]) self.rows = int(data["rows"]) self.delay = float(data["delay"]) self.sl = [0, 1 ,1 ,1] # first line is static others scroll try: self.lcd = lcddriver.lcd() self.lcd.display_string(" Airpi LCD panel ", 2) self.lcd.display_string(" Init was a Success ", 3) # setup LcdScroller thread object data = (u" Airpi Sensor Info. ", u"Temp: Unknown, P: Unknown, RH: Unknown ", u"LL: Unknown, LLl: Unknown, Vol: Unknown ", u"NO2: Unknown, CO: Unknown ") self.scroller = LcdScroller(self.lcd, self.rows, self.cols, self.delay, self.sl, data) self.scroller.start() except Exception as e: self.log.error("Error initialising LCDpanel: {}".format(e)) raise else: self.log.debug("Initialised successfully")
def __init__(self, logger): # Scan I2C bus for LCD I2C addresses as defined in led_i2c, we have a couple of models of LCD which have different adreses that are shipped with emonPi. First I2C device to match address is used. self.logger = logger for i2c_address in lcd_i2c: lcd_status = subprocess.check_output(["/home/pi/emonpi/lcd/emonPiLCD_detect.sh", "%s" % i2c_address]) if lcd_status.rstrip() == 'True': print "I2C LCD DETECTED Ox%s" % i2c_address logger.info("I2C LCD DETECTED 0x%s" % i2c_address) current_lcd_i2c = "0x%s" % i2c_address break if lcd_status.rstrip() == 'False': print ("I2C LCD NOT DETECTED on either 0x" + str(lcd_i2c) + " ...exiting LCD script") logger.error("I2C LCD NOT DETECTED on either 0x" + str(lcd_i2c) + " ...exiting LCD script") sys.exit(1) # Init LCD using detected I2C address with 16 characters self.lcd = lcddriver.lcd(int(current_lcd_i2c, 16)) self._display = ['', '']
from lcddriver import lcd import sys lines = str(sys.argv[1]) if lines == "off" : my_lcd = lcd() my_lcd.backlight_off(); quit() if lines == "on" : my_lcd = lcd() my_lcd.backlight_on(); quit() my_lcd = lcd() my_lcd.clear() lines = lines.split('~') my_lcd = lcd() for (i, line) in enumerate(lines): line = line.replace('_', ' ') if len(line) > 16 : line = lines[0:16] my_lcd.display_string(line, i+1)
import string import sys import time from time import gmtime,strftime #Config Variables global timeSinceRefresh ZipCode = '11209' #ZipCode for weather PianobarOutLocation = '/home/pi/projects/piclock/out' #Location of the file Pianobar is writing the song name and artist output strings hourFormat12H = True #Change this if you want the time to be displayed in 12h format or 24h format #True for 12h format or False for 24h format CelciusUnit = False #Variable for weather unit; True for Celcius, False for Fahrenheit, weatherRefreshInterval = 3600 #Interval to check the weather in Seconds, 3600 is 1 hour #Initialize import items lcd = lcddriver.lcd() # Set Up LCD Display REMOTE_SERVER = "www.google.com" #Url to check if data connection is available timeDelay = 4 #Refreshes clock every 4 Seconds refreshInterval = 4 weatherRefreshInterval = weatherRefreshInterval/refreshInterval timeSinceRefresh = 3500 global SongValue SongValue = 0
#!/usr/bin/python3 from time import sleep from gpiozero import MCP3008 import lcddriver vref = 3.3 channels = [0,0,0,0,0,0,0,0] temperatures = [0,0] light_levels = [0,0] count = 0 lcd = lcddriver.lcd() # create object for lcd control lcd.lcd_clear() # clear LCD ready for start def update(): lcd.lcd_display_string('{:^16}'.format(row_one), 1) lcd.lcd_display_string('{:^16}'.format(row_two), 2) # display a centered intro message row_one = '{:^16}'.format("RasPiO Analog Zero") row_two = '{:^16}'.format("16x2 Weather Kit") update() sleep(3) # Wiring instructions # # Wire up 2x TMP36 so the middle pins go to A0 and A1 # Wire up 2x LDR. One leg to 3V3 other leg to one end # of 10k resistor AND A6 or A7. # Other end of 10k resistor goes to GND while True:
def __init__(self): self.display = lcddriver.lcd()
def main(): #Constant needed by lcd driver mRs = 0b00000001 #Initialize var to check if threads were initialized running = False #Array to keep thread process my_threads = [] #Global var to make threads exit global goodBye #Semaphore to control display usage lock = threading.Lock() #Semaphore to control display usage between run_localdata and run_date proc_lock = threading.Lock() #Keep it running forever while True: #Verify whether i2c display can be detected or not p1 = Popen(["/usr/sbin/i2cdetect","-y","1"], stdout=PIPE) p2 = Popen(["grep", "20:"], stdin=p1.stdout, stdout=PIPE) p1.stdout.close() output = p2.communicate()[0] p2.stdout.close() #Keep display i2c address devAddr = output.split()[8] #If i2c display was found and threads were not running, start them if ((devAddr == "27") and (not running)): print "Starting threads..." try: #Load LCD driver lcd = lcddriver.lcd() #Load user-defined graphs lcd.lcd_write(0x40) for mycells in ['1','2','3','4','5','6','7','8']: for cell in cells[mycells]: lcd.lcd_write(cell,mRs) #Clear LCD lcd.lcd_clear() except: #If LCD initialization fails, try again in next loop iteration time.sleep(1) continue #Build thread parameters array my_thread_args = {} my_thread_args["run_clock"] = (lcd,mRs,lock) my_thread_args["run_banner"] = (lcd,lock) my_thread_args["run_date"] = (lcd,mRs,lock,proc_lock) my_thread_args["run_localdata"] = (lcd,mRs,lock,proc_lock) #Build array with functions that threads should run my_thread_targets = [run_clock,run_banner,run_date,run_localdata] #Builds array with initialized (not running) threads my_threads = [threading.Thread(target=my_thread_targets[0], args=my_thread_args["run_clock"]), threading.Thread(target=my_thread_targets[1], args=my_thread_args["run_banner"]), threading.Thread(target=my_thread_targets[2], args=my_thread_args["run_date"]), threading.Thread(target=my_thread_targets[3], args=my_thread_args["run_localdata"])] #Start threads for th in my_threads: th.start() #Set running as True running = True #If i2c display was not found and threads are running, kill them if ((devAddr != "27") and (running)): #Set global var to make threads die goodBye = True #Wait until all threads die while (my_threads[0].isAlive() or my_threads[1].isAlive() or my_threads[2].isAlive() or my_threads[3].isAlive()): for th in [0,1,2,3]: if (my_threads[th].isAlive()): print "Thread " + my_thread_targets[th].__name__ + " still alive" time.sleep(3) print "" #When all threads dies, set control var and jump to next loop iteration print "All tasks killed!!! lets restart..." running = False goodBye = False continue #Just wait a while before start next loop iteration time.sleep(5)
pressure_sensor = BMP085(0x77) pressure = pressure_sensor.readPressure() # Altitude correction for pressure at sea level. psea = pressure / pow(1.0 - altitude/44330.0, 5.255) psea_dec = psea / 100.0 pressure_relative = decimal.Decimal(psea_dec) rounded_pressure_relative = pressure_relative.quantize(decimal.Decimal('.01'), rounding=decimal.ROUND_HALF_UP) # Humidty stuff happens here humidityr = humidity.get_humidity() ################################## # LCD stuff happening here # ################################## lcd2 = lcddriver.lcd() backlight.switch_light() lcd2.lcd_clear() lcd2.lcd_display_string(time.strftime("%d.%m.%Y %H:%M"), 1) lcd2.lcd_display_string('Innen: {0} Grad'.format(Temperature_In), 2) lcd2.lcd_display_string('Aussen: {0} Grad'.format(Temperature_Out), 3) lcd2.lcd_display_string(str(Weather_Text) + ' ' + str(humidityr) + '%', 4) backlight.switch_light() # Write the data to a webpage on the local server # Get some weather icons that are compliant with Yahoo condition codes. # The ones by MerlinTheRed are nice and work well # <http://merlinthered.deviantart.com/art/plain-weather-icons-157162192> CC-BY-NC-SA with open('/var/www/aktuell.html','w') as index: index.write('<style type="text/css">'
#!/usr/bin/env python import lcddriver import time lcd = lcddriver.lcd(0x27) lcd.backlight =1 lcd.lcd_display_string("emonPi", 1) lcd.lcd_display_string("test 123",2) time.sleep(5) lcd.lcd_display_string("Backlight off", 1) lcd.lcd_display_string("in 5 seconds..",2) time.sleep(5) lcd.backlight = 0 time.sleep(5) lcd.backlight =1 lcd.lcd_clear() lcd.lcd_display_string("Backlight on", 1) lcd.lcd_display_string("end of test", 2)
def __init__(self): if platform.processor() != 'x86_64': self.lcd = lcddriver.lcd() self.lcd.lcd_clear() else: self.lcd = lcd_moc.LcdMoc()
# Simple string program. Writes and updates strings. # Demo program for the I2C 16x2 Display from Ryanteck.uk # Created by Matthew Timmons-Brown for The Raspberry Pi Guy YouTube channel # Import necessary libraries for commuunication and display use import lcddriver import time # Load the driver and set it to "display" # If you use something from the driver library use the "display." prefix first display = lcddriver.lcd() # Main body of code try: while True: # Remember that your sentences can only be 16 characters long! print("Writing to display") display.lcd_display_string("Greetings Human!", 1) # Write line of text to first line of display display.lcd_display_string("Demo Pi Guy code", 2) # Write line of text to second line of display time.sleep(2) # Give time for the message to be read display.lcd_display_string("I am a display!", 1) # Refresh the first line of display with a different message time.sleep(2) # Give time for the message to be read display.lcd_clear() # Clear the display of any data time.sleep(2) # Give time for the message to be read except KeyboardInterrupt: # If there is a KeyboardInterrupt (when you press ctrl+c), exit the program and cleanup print("Cleaning up!") display.lcd_clear()
# INSTRUCTIONS: git clone https://github.com/adafruit/Adafruit_Python_DHT.git # INSTRUCTIONS: sudo apt-get install build-essential python-dev python-openssl # INSTRUCTIONS: sudo python setup.py install # INSTRUCTIONS: FIND DHT11 or DHT22 INFO ONLINE FOR CONNECTING. 10k resister required #Written by Bradley Gillap 2016 import Adafruit_DHT as dht #Arguments dht instead of Adafruit_DHT, DHT11 device, GPIO26 import lcddriver import time #Assign to variables pin = 26 #GPIO pin we are communicating on CHANGE THIS h,t = dht.read_retry(dht.DHT11, pin) #Refreshes the DHT sensor. ARG DHT11 or DHT22 sensor display = lcddriver.lcd() #Refering to the LCD temp = 'Temp:{0:0.1f} C'.format(t) #Store temp string info humid = 'Humidity:{1:0.1f}%'.format(t,h) #Store Humidity info try: while True: h,t = dht.read_retry(dht.DHT11, pin) #Loop the check sensor check DHT11 or DHT22 sensor temp = 'Temp:{0:0.1f} C'.format(t) #Update variable temperature humid = 'Humidity:{1:0.1f}%'.format(t,h) #Update variable humidity display.lcd_clear() #Clear screen display.lcd_display_string(temp, 1) #write temp to screen display.lcd_display_string(humid, 2) #write humdity to screen time.sleep(2) except KeyboardInterrupt: # If there is a KeyboardInterrupt (when you press ctrl+c), exit the program and cleanup print("Cleaning up!")
# Name: Krystal, Anna, Ian # Date: 8/24/2015 # Description: Traffic and Pedestrian Lights with LCD #!/user/bin/env python import RPi.GPIO as GPIO import time import lcddriver lcd = lcddriver.lcd() lcd.lcd_clear(); GPIO.setwarnings(False) GPIO.setmode(GPIO.BCM) GPIO.setup(25, GPIO.OUT) GPIO.setup(16, GPIO.OUT) GPIO.setup(24, GPIO.OUT) GPIO.setup(5, GPIO.OUT) GPIO.setup(13, GPIO.OUT) GPIO.setup(12, GPIO.IN, pull_up_down = GPIO.PUD_UP) def flash(): GPIO.output(13, False) GPIO.output(5, True) lcd.lcd_display_string("To Cross 5",2) time.sleep(0.5) GPIO.output(5, False) time.sleep(0.5) GPIO.output(5, True) lcd.lcd_display_string("To Cross 4",2) time.sleep(0.5)
import sys import subprocess # ------------------------------------------------------------------------------------ # Check to see if LCD is connected if not then stop here # ------------------------------------------------------------------------------------ lcd_i2c = ['27', '3f'] current_lcd_i2c = '' for i2c_address in lcd_i2c: lcd_status = subprocess.check_output(["/home/pi/emonpi/lcd/emonPiLCD_detect.sh", "%s" % i2c_address]) if lcd_status.rstrip() == 'True': print "I2C LCD DETECTED Ox%s" % i2c_address current_lcd_i2c = "0x%s" % i2c_address break if lcd_status.rstrip() == 'False': print ("I2C LCD NOT DETECTED on either 0x" + str(lcd_i2c) + " ...exiting LCD script") sys.exit(1) lcd = lcddriver.lcd(int(current_lcd_i2c, 16)) # ------------------------------------------------------------------------------------ # Display update in progress update # ------------------------------------------------------------------------------------ lcd.backlight = 1 lcd.lcd_display_string("Updating........", 1) lcd.lcd_display_string("DO NOT UNPLUG! ",2) time.sleep(1) sys.exit()
def start(): global lcd lcd = lcddriver.lcd()
import tempsensor import lcddriver import time import RPi.GPIO as GPIO import btnlib as btn GPIO.setmode(GPIO.BCM) GPIO.setup(18,GPIO.OUT) #channel 18 turns on the backlight of the LCD lcd = lcddriver.lcd() #sets up the LCD screen while btn.isOn(btn.switch): #while the switch is on: if btn.isOn(btn.yellow) : #if the yellow button gets pressed GPIO.output(18, True) #turns on the backlight temp = -700 humid = -700 tempsensor.print_temp() temp = tempsensor.tempF() humid = tempsensor.humid() if temp > -700 : lcd.lcd_display_string("Temperature: %d F" % temp,1) if humid > -700 : lcd.lcd_display_string("Humidity: %d %%" % humid,2) time.sleep(5) GPIO.output(18, False) #turns off the backlight after 5 secs time.sleep(0.1) lcd.lcd_clear() GPIO.cleanup()
return socket.inet_ntoa(fcntl.ioctl( s.fileno(), 0x8915, # SIOCGIFADDR struct.pack('256s', ifname[:15]) )[20:24]) #Initialize Hostname Check socket.gethostbyname(socket.gethostname()) #VARIABLES # If you use something from the driver library use the "display." prefix first pin = 26 #GPIO pin we are communicating on CHANGE THIS h,t = dht.read_retry(dht.DHT11, pin) #Refreshes the DHT sensor. ARG DHT11 or DHT22 sensor temp = 'Temp : {0:0.1f}C'.format(t) #Store temp string info humid = 'Humid: {1:0.1f}%'.format(t,h) #Store Humidity info display = lcddriver.lcd() #Load lcddriver and set it to display ipaddy = get_ip_address('eth0') #Define Ip address variable url = ("http://" + str(ipaddy) + "/admin/api.php") #Connect to pihole API #INIT FUNCTIONS KILLING KITTENS def pihole_hit(): #Function to poll the API for pihole. global data global blocked global percent global queries global domains data = json.load(urllib2.urlopen(url)) #Store pihole api data. blocked = data['ads_blocked_today'] percent = data['ads_percentage_today'] queries = data['dns_queries_today'] domains = data['domains_being_blocked']