def print_to_LCDScreen (message): try: lcd = Adafruit_CharLCD() lcd.begin(16,2) for x in range(0, 16): for y in range(0, 2): lcd.setCursor(x, y) lcd.message('>') time.sleep(.025) lcd.noDisplay() lcd.clear() lcd.message(str(message)) for x in range(0, 16): lcd.DisplayLeft() lcd.display() for x in range(0, 16): lcd.scrollDisplayRight() time.sleep(.05) # lcd.noDisplay() # lcd.display() # lcd.blink() # lcd.noCursor() # lcd.clear() # lcd.noBlink() # lcd.begin(16, 2) # lcd.setCursor(7, 0) # lcd.message('123') # lcd.message('x') # lcd.clear() return 'ok' except Exception,e: return e
class LCD_display(object): bus = 1 # Note you need to change the bus number to 0 if running on a revision 1 Raspberry Pi. address = 0x20 # I2C address of the MCP230xx chip. gpio_count = 8 # Number of GPIOs exposed by the MCP230xx chip, should be 8 or 16 depending on chip. # LCD 20x4 num_columns = 20 num_lines = 4 def __init__(self, init=True): # Create MCP230xx GPIO adapter. mcp = MCP230XX_GPIO(self.bus, self.address, self.gpio_count) # Create LCD, passing in MCP GPIO adapter. self.lcd = Adafruit_CharLCD(pin_rs=1, pin_e=2, pin_bl=7, pins_db=[3, 4, 5, 6], GPIO=mcp) if init: self.initialisation() def initialisation(self): self.lcd.clear() self.lcd.begin(self.num_columns, self.num_lines) self.lcd.backlightOn() self.lcd.setCursor(0, 0) #self.lcd.message(datetime.datetime.now().strftime(' %a %d %b - %H:%M')) def line_message(self, row, text): # set the position (row from 0 to 3) self.lcd.setCursor(0, row) # display the message self.lcd.message(text) def temperature(self, text): #set the position self.lcd.setCursor(0, 1) #display the message and value self.lcd.message("Temperature: %.2f" % text) self.lcd.write4bits(0xDF, True) #display the degree symbol "°" self.lcd.message("C") def humidity(self, text): #set the position self.lcd.setCursor(0, 2) #display the message and value self.lcd.message("Humidity: %.2f%%RH" % text) def pressure(self, text): #set the position self.lcd.setCursor(0, 3) #display the message and value self.lcd.message("Pressure: %.2fhPa" % text) def date(self): #set the position self.lcd.setCursor(0, 0) #display the message and value self.lcd.message(datetime.datetime.now().strftime(' %a %d %b %H:%M'))
class GUI(object): def __init__(self, rPI = True): self.rPI = rPI self.PUSH_BUTTONS = (17, 27, 22, 23) self.RDY = 24 self.RST = 25 if self.rPI: import RPi.GPIO as GPIO from Adafruit_CharLCD import Adafruit_CharLCD self.GPIO = GPIO self.lcd = Adafruit_CharLCD() GPIO.setwarnings(False) GPIO.setmode(GPIO.BCM) GPIO.setup(self.RDY, GPIO.OUT) #self.setRDYstate(1) self.showIntro() #self.setRDYstate(0) GPIO.setup(self.RST, GPIO.OUT) self.sendRST() for i in self.PUSH_BUTTONS: GPIO.setup(i, GPIO.IN) def readPushButtons(self): #Wire pull-down resistors to each Push-Button state = [] for i in self.PUSH_BUTTONS: state.append(self.GPIO.input(i)) time.sleep(0.150) #Debouncing delay for i in range(len(self.PUSH_BUTTONS)): state[i] = self.GPIO.input(self.PUSH_BUTTONS[i]) and state[i] return state def setRDYstate(self, state): self.GPIO.output(self.RDY, state) def setRSTstate(self, state): self.GPIO.output(self.RST, state) def sendRST(self): self.setRSTstate(0) time.sleep(0.01) self.setRSTstate(1) def lcdClear(self): if self.rPI: self.lcd.clear() def lcdMessage(self, msg): if self.rPI: self.lcd.message(msg) def showIntro(self): msg = 'WSN Arquitectura' + '\n' + 'Inicializando...' self.lcdClear() self.lcdMessage(msg) time.sleep(4)
class Display(Thread): # TODO: move this to a config file COLS = 16 ROWS = 2 COL_OFFSET = 2 # You may choose to add an offset to the original position DURATION = 15 PREFIX = "WARNING: " def __init__(self, msg): Thread.__init__(self) LCDReactor.Display.START_POSITION = LCDReactor.Display.COLS - LCDReactor.Display.COL_OFFSET self.msgs = [LCDReactor.Display.PREFIX, msg] self.lcd = CharLCD(pin_rs=2, pin_e=4, pins_db=[3, 14, 25, 24]) def init_display(self): self.lcd.clear() self.lcd.begin(LCDReactor.Display.COLS, LCDReactor.Display.ROWS) def display_message(self): self.lcd.setCursor(LCDReactor.Display.START_POSITION, 0) self.lcd.message(self.msgs[0]) self.lcd.setCursor(LCDReactor.Display.START_POSITION, 1) self.lcd.message(self.msgs[1]) def shift_text(self): self.lcd.DisplayLeft() time.sleep(0.3) def loop_message(self): # Calculate the maximum length and the start position # Needed for when the time runs out and the message is in the # middle of the LCD position = LCDReactor.Display.START_POSITION max_len = max(len(self.msgs[0]), len(self.msgs[1])) start_time = time.time() # Display for n seconds while time.time() < start_time + LCDReactor.Display.DURATION: self.shift_text() position = (position + 1) % max_len # If the text is in the middle of the screen, we want to shift it # off. The best way is to take the current position and move it # until the the position is out of the display. # "Out of display" is given by max_len (maximum image size) + # START_POSITION, since it starts in the right side of the LCD for x in range(position, LCDReactor.Display.START_POSITION + max_len): self.shift_text() self.lcd.clear() def display(self): self.init_display() self.display_message() self.loop_message() def run(self): self.display()
def printLCD(string1, string2): '''Prints string1 and string2 onto a 16x2 character LCD.''' lcd = Adafruit_CharLCD() lcd.begin(16, 1) lcd.clear() sleep(0.5) lcd.message(string1 + "\n") lcd.message(string2)
def Pantalla(Linea1, Linea2): lcd = Adafruit_CharLCD() lcd.begin(16,1) lcd.clear() lcd.message(Linea1+"\n") lcd.message(Linea2) lcd.cerrar()
def printLCD(string1, string2): '''Prints string1 and string2 onto a 16x2 character LCD.''' lcd = Adafruit_CharLCD() lcd.begin(16,1) lcd.clear() sleep(0.5) lcd.message(string1+"\n") lcd.message(string2)
class ScreenComponent(JNTComponent): """ A Screen component for gpio """ def __init__(self, bus=None, addr=None, **kwargs): """ """ oid = kwargs.pop('oid', 'rpilcdchar.screen') name = kwargs.pop('name', "Screen") product_name = kwargs.pop('product_name', "Screen") product_type = kwargs.pop('product_type', "Screen") JNTComponent.__init__(self, oid=oid, bus=bus, addr=addr, name=name, product_name=product_name, product_type=product_type, **kwargs) logger.debug("[%s] - __init__ node uuid:%s", self.__class__.__name__, self.uuid) uuid = "message" self.values[uuid] = self.value_factory['action_string']( options=self.options, uuid=uuid, node_uuid=self.uuid, help='A message to print on the screen', label='Msg', default='Janitoo started', set_data_cb=self.set_message, is_writeonly=True, cmd_class=COMMAND_MOTOR, genre=0x01, ) poll_value = self.values[uuid].create_poll_value(default=300) self.values[poll_value.uuid] = poll_value self.pin_lcd_rs = 27 # Note this might need to be changed to 21 for older revision Pi's. self.pin_lcd_en = 22 self.pin_lcd_d4 = 25 self.pin_lcd_d5 = 24 self.pin_lcd_d6 = 23 self.pin_lcd_d7 = 18 self.pin_lcd_backlight = 4 self.lcd_columns = 20 self.lcd_rows = 4 self.lcd = Adafruit_CharLCD(self.pin_lcd_rs, self.pin_lcd_en, self.pin_lcd_d4, self.pin_lcd_d5, self.pin_lcd_d6, self.pin_lcd_d7, self.lcd_columns, self.lcd_rows, self.pin_lcd_backlight) def set_message(self, node_uuid, index, data): """Set the message on the screen """ try: self.lcd.clear() self.lcd.message(data) except Exception: logger.exception('Exception when displaying message')
def init(bus=1, address=0x20, gpio_count=8): # Create MCP230xx GPIO adapter. mcp = MCP230XX_GPIO(bus, address, gpio_count) # Create LCD, passing in MCP GPIO adapter. lcd = Adafruit_CharLCD(pin_rs=1, pin_e=2, pins_db=[3,4,5,6], GPIO=mcp) lcd.clear() return lcd
def lcd_clear(self, topic, payload): """ This method writes to the LCD """ lcd = Adafruit_CharLCD(rs=26, en=19, d4=13, d5=6, d6=5, d7=11, cols=16, lines=2) lcd.clear() print("CLEARED")
def init(bus=1, address=0x20, gpio_count=8): # Create MCP230xx GPIO adapter. mcp = MCP230XX_GPIO(bus, address, gpio_count) # Create LCD, passing in MCP GPIO adapter. lcd = Adafruit_CharLCD(pin_rs=1, pin_e=2, pins_db=[3, 4, 5, 6], GPIO=mcp) lcd.clear() return lcd
class LCD_display(object): bus = 1 # Note you need to change the bus number to 0 if running on a revision 1 Raspberry Pi. address = 0x20 # I2C address of the MCP230xx chip. gpio_count = 8 # Number of GPIOs exposed by the MCP230xx chip, should be 8 or 16 depending on chip. # LCD 20x4 num_columns = 20 num_lines = 4 def __init__(self, init=True): # Create MCP230xx GPIO adapter. mcp = MCP230XX_GPIO(self.bus, self.address, self.gpio_count) # Create LCD, passing in MCP GPIO adapter. self.lcd = Adafruit_CharLCD(pin_rs=1, pin_e=2, pin_bl=7, pins_db=[3,4,5,6], GPIO=mcp) if init: self.initialisation() def initialisation(self): self.lcd.clear() self.lcd.begin(self.num_columns, self.num_lines) self.lcd.backlightOn() self.lcd.setCursor(0, 0) #self.lcd.message(datetime.datetime.now().strftime(' %a %d %b - %H:%M')) def line_message(self, row, text): # set the position (row from 0 to 3) self.lcd.setCursor(0, row) # display the message self.lcd.message(text) def temperature(self, text): #set the position self.lcd.setCursor(0, 1) #display the message and value self.lcd.message("Temperature: %.2f" % text) self.lcd.write4bits( 0xDF, True) #display the degree symbol "°" self.lcd.message("C") def humidity(self, text): #set the position self.lcd.setCursor(0, 2) #display the message and value self.lcd.message("Humidity: %.2f%%RH" % text) def pressure(self, text): #set the position self.lcd.setCursor(0, 3) #display the message and value self.lcd.message("Pressure: %.2fhPa" % text) def date(self): #set the position self.lcd.setCursor(0, 0) #display the message and value self.lcd.message(datetime.datetime.now().strftime(' %a %d %b %H:%M'))
def dumpLCD(): lcd = Adafruit_CharLCD() lcd.begin(20,4) lcd.clear() lcd.setCursor(0,0) lcd.message("Yay! Treats!") lcd.setCursor(0,1) lcd.message(" ") lcd.setCursor(0,3) lcd.message("Thank you!")
def homescreen(): lcd = Adafruit_CharLCD() lcd.begin(20,4) lcd.clear() lcd.setCursor(0,0) lcd.message("Judd Treat Machine!") lcd.setCursor(0,1) lcd.message("Awaiting Emails!") lcd.setCursor(0,3) lcd.message("Hurry up!")
class LCD: def __init__(self): self.lcd = Adafruit_CharLCD(25, 24, 23, 17, 21, 22, 16, 2) def data_print(self, msg, a, b): #self.lcd.clear() self.lcd.set_cursor(a, b) self.lcd.message(msg) def lcd_clear(self): self.lcd.clear()
class PapaDisplayCtrl: """Class to display text from PaPasPy """ def __init__(self): self.lcd = Adafruit_CharLCD() self.lcd.begin(16,1) self.lcd.clear() def display(self, msg): self.lcd.clear() self.lcd.message(msg)
def print_on_display(message): lcd = Adafruit_CharLCD(rs=26, en=19, d4=13, d5=6, d6=5, d7=11, cols=16, lines=2) lcd.clear() lcd.message(message)
def main(): # now just write the code you would use in a real Raspberry Pi from Adafruit_CharLCD import Adafruit_CharLCD from gpiozero import Buzzer, LED, PWMLED, Button, DistanceSensor, LightSensor, MotionSensor from lirc import init, nextcode from py_irsend.irsend import send_once from time import sleep def show_sensor_values(): lcd.clear() lcd.message( "Distance: %.2fm\nLight: %d%%" % (distance_sensor.distance, light_sensor.value * 100) ) def send_infrared(): send_once("TV", ["KEY_4", "KEY_2", "KEY_OK"]) lcd = Adafruit_CharLCD(2, 3, 4, 5, 6, 7, 16, 2) buzzer = Buzzer(16) led1 = LED(21) led2 = LED(22) led3 = LED(23) led4 = LED(24) led5 = PWMLED(25) led5.pulse() button1 = Button(11) button2 = Button(12) button3 = Button(13) button4 = Button(14) button1.when_pressed = led1.toggle button2.when_pressed = buzzer.on button2.when_released = buzzer.off button3.when_pressed = show_sensor_values button4.when_pressed = send_infrared distance_sensor = DistanceSensor(trigger=17, echo=18) light_sensor = LightSensor(8) motion_sensor = MotionSensor(27) motion_sensor.when_motion = led2.on motion_sensor.when_no_motion = led2.off init("default") while True: code = nextcode() if code != []: key = code[0] lcd.clear() lcd.message(key + "\nwas pressed!") sleep(0.2)
def main(USERNAME, PASSWORD, SENSOR_ID): lcd = Adafruit_CharLCD() lcd.clear() sessionToken, objectID = LoginUser(USERNAME, PASSWORD) pubnub = Pubnub(publish_key="pub-c-e6b9a1fd-eed2-441a-8622-a3ef7cc5853a", subscribe_key="sub-c-7e14a542-b148-11e4-9beb-02ee2ddab7fe") channel = SENSOR_ID def _callback(message, channel): print("Message received from channel: ", message) data = {'status': None, 'targetTemperature': None} if message['airconStatus']: if message['airconStatus'] == 'on': print "Lets turn on air con now" lcd.clear() lcd.message("Aircon On!") logging.warning("Lets turn on air con now") else: print "lets turn off aircon now" lcd.clear() lcd.message("Aircon Off!\n Have a good day!") logging.warning("Lets turn off air con now") data['status'] = message['airconStatus'] if message['targetTemperature']: print "Lets turn aircon to : ", message['targetTemperature'] lcd.clear() lcd.message("Setting temperature\n" + "Temp={0:0.1f}*C".format(message['targetTemperature'])) logging.warning("Lets turn aircon to : " + str(message['targetTemperature'])) data['targetTemperature'] = message['targetTemperature'] if message[ 'switchOffLCD']: #note that this might happen a few times because current logic is if last activity was more than 3 mins ago, we swtich off print "Lets switch off LCD" lcd.clear() logging.warning("switching off LCD") needToReLogin = SendDataToParse(data, objectID, sessionToken, SENSOR_ID) def _error(message): print("Error: ", message) logging.warning("Error: ", message) pubnub.subscribe(channel, callback=_callback, error=_error)
def lcd_write(self, topic, payload): """ This method writes to the LCD """ print(payload['value']) print(type(payload['value'])) lcd = Adafruit_CharLCD(rs=26, en=19, d4=13, d5=6, d6=5, d7=11, cols=16, lines=2) lcd.clear() text = str(payload['value']) lcd.message(text)
def init(): global lcd global sub pins = rospy.get_param('/pibot/pins/LCD1602') lcd = Adafruit_CharLCD(pin_rs=pins['RS'], pin_e=pins['EN'], pins_db=pins['DATA'], GPIO=None) lcd.begin(16, 2) lcd.clear() lcd.write(' PiBot Loaded \n Hello World! ') lcd.setCursor(0, 0) rospy.init_node('lcd1602') sub = rospy.Subscriber('/pibot/lcd1602', String, handler)
class LCD: __line1 = "" __line2 = "" def __init__(self): self.lcd = Adafruit_CharLCD() self.lcd.clear() self.logger = LoggerModule.Logger("LCD Module") def hello(self): self.lcd.message(" Welcome to \n Kinderbox ") def turn_off(self): self.lcd.noDisplay() def display_pause(self): self.message("", "Pause") def display_ready(self): self.message("", "Ready") def display_volume(self, message): self.message("", message) def message(self, line1, line2): if self.__line1 == line1 and self.__line2 == line2: return try: n_line1 = normalization.remove_unicode(line1) except: n_line1 = "unkown" try: n_line2 = normalization.remove_unicode(line2) except: n_line2 = "unkown" self.lcd.clear() sleep(0.5) message = "%s\n%s" %(n_line1,n_line2) self.lcd.message(message) self.__line1 = line1 self.__line2 = line2 def scroll_to_left(self): #Check size message. If over 16 character --> move if len(self.__line1) > 16 or len(self.__line2) > 16: self.lcd.DisplayLeft()
class MCP23xxxDriver(object): def __init__(self, **kwargs): # Create MCP230xx GPIO adapter. mcp = MCP230XX_GPIO(CONF.lcd.bus, CONF.lcd.address, CONF.lcd.gpio_count) # Create LCD, passing in MCP GPIO adapter. self._lcd = Adafruit_CharLCD(pin_rs=1, pin_e=2, pins_db=[3,4,5,6], GPIO=mcp) self._lcd.clear() def write(self, msg): self.clear() self._lcd.message(msg) def clear(self): self._lcd.clear()
class ScreenWriter(object): """docstring for ScreenWriter.""" def __init__(self, rs, en, d4, d5, d6, d7): """Config.""" self.columns = 16 self.lines = 1 self.lcd = Adafruit_CharLCD(rs, en, d4, d5, d6, d7, self.columns, self.lines) def _direction_to_char(self, dir): return DIR_TO_CHAR[dir] def write_to_lcd(self, value, dir): """Write out to lcd.""" self.lcd.clear() self.lcd.message(str(value) + ' mg/dl\n') self.lcd.message(self._direction_to_char(dir))
class ScreenComponent(JNTComponent): """ A Screen component for gpio """ def __init__(self, bus=None, addr=None, **kwargs): """ """ oid = kwargs.pop('oid', 'rpilcdchar.screen') name = kwargs.pop('name', "Screen") product_name = kwargs.pop('product_name', "Screen") product_type = kwargs.pop('product_type', "Screen") JNTComponent.__init__(self, oid=oid, bus=bus, addr=addr, name=name, product_name=product_name, product_type=product_type, **kwargs) logger.debug("[%s] - __init__ node uuid:%s", self.__class__.__name__, self.uuid) uuid="message" self.values[uuid] = self.value_factory['action_string'](options=self.options, uuid=uuid, node_uuid=self.uuid, help='A message to print on the screen', label='Msg', default='Janitoo started', set_data_cb=self.set_message, is_writeonly = True, cmd_class=COMMAND_MOTOR, genre=0x01, ) poll_value = self.values[uuid].create_poll_value(default=300) self.values[poll_value.uuid] = poll_value self.pin_lcd_rs = 27 # Note this might need to be changed to 21 for older revision Pi's. self.pin_lcd_en = 22 self.pin_lcd_d4 = 25 self.pin_lcd_d5 = 24 self.pin_lcd_d6 = 23 self.pin_lcd_d7 = 18 self.pin_lcd_backlight = 4 self.lcd_columns = 20 self.lcd_rows = 4 self.lcd = Adafruit_CharLCD(self.pin_lcd_rs, self.pin_lcd_en, self.pin_lcd_d4, self.pin_lcd_d5, self.pin_lcd_d6, self.pin_lcd_d7, self.lcd_columns, self.lcd_rows, self.pin_lcd_backlight) def set_message(self, node_uuid, index, data): """Set the message on the screen """ try: self.lcd.clear() self.lcd.message(data) except Exception: logger.exception('Exception when displaying message')
class TwoLineLCD(object): def __init__(self, lcd_rs, lcd_en, lcd_d4, lcd_d5, lcd_d6, lcd_d7, lcd_columns, lcd_rows, lcd_backlight): self.lcd = LCD(lcd_rs, lcd_en, lcd_d4, lcd_d5, lcd_d6, lcd_d7, lcd_columns, lcd_rows, lcd_backlight, gpio=aGPIO.get_platform_gpio()) self.lcd.clear() self._columns = lcd_columns self._in_progress = None def clear(self): self.lcd.clear() def cancel(self): if self._in_progress and self._in_progress.active(): self._in_progress.cancel() self.clear() def message(self, line_1, line_2): self.cancel() if len(line_1) > self._columns: line_1 += " " # Padding when scrolling if len(line_2) > self._columns: line_2 += " " # Padding when scrolling self._in_progress = async .DelayedCall(0, self._message, line_1, line_2) def _message(self, line_1, line_2): self.lcd.home() self.lcd.message(line_1[:self._columns] + "\n" + line_2[:self._columns]) if len(line_1) > self._columns: line_1 = rotate(line_1) if len(line_2) > self._columns: line_2 = rotate(line_2) self._in_progress = async .DelayedCall(0.5, self._message, line_1, line_2)
class MCP23xxxDriver(object): def __init__(self, **kwargs): # Create MCP230xx GPIO adapter. mcp = MCP230XX_GPIO(CONF.lcd.bus, CONF.lcd.address, CONF.lcd.gpio_count) # Create LCD, passing in MCP GPIO adapter. self._lcd = Adafruit_CharLCD(pin_rs=1, pin_e=2, pins_db=[3, 4, 5, 6], GPIO=mcp) self._lcd.clear() def write(self, msg): self.clear() self._lcd.message(msg) def clear(self): self._lcd.clear()
class GpioDisplay: def __init__(self, *_args): if GPIO.RPI_REVISION == 2: self.lcd = Adafruit_CharLCD(pins_db=[23, 17, 27, 22]) else: self.lcd = Adafruit_CharLCD() self.lcd.begin(16, 2) def clear(self): self.lcd.clear() def move_to(self, row, col): self.lcd.setCursor(row, col) def write(self, string): self.lcd.message(string) def backlight(self, r, g, b): # not implemented pass
class GpioDisplay: def __init__(self, *_args): if GPIO.RPI_REVISION == 2: self.lcd = Adafruit_CharLCD(pins_db=[23, 17, 27, 22]) else: self.lcd = Adafruit_CharLCD() self.lcd.begin(16,2) def clear(self): self.lcd.clear() def move_to(self, row, col): self.lcd.setCursor(row, col) def write(self, string): self.lcd.message(string) def backlight(self, r, g, b): # not implemented pass
def print_to_lcd(): """ Print values to a 2x16 LCD display if it is provided with connections described """ lcd = Adafruit_CharLCD(rs=26, en=19, d4=13, d5=6, d6=5, d7=21, cols=16, lines=2) lcd.clear() lcd.set_cursor(0, 0) lcd.message("DHT22 Program") lcd.set_cursor(0, 1) lcd.message("Waiting...") sleep(2) try: while True: hum, temp = get_values() lcd.clear() lcd.set_cursor(0, 0) lcd.message("Temp: {0:.2f} C".format(temp)) lcd.set_cursor(0, 1) lcd.message("Humi: {0:.2f} %".format(hum)) sleep(5) except KeyboardInterrupt: print('Exiting...') lcd.clear() lcd.set_cursor(0, 0) lcd.message("OFFLINE")
def LCD(text): # instantiate lcd and specify pins lcd = Adafruit_CharLCD(rs=26, en=19, d4=13, d5=6, d6=5, d7=11, cols=16, lines=2) lcd.clear() # display text on LCD display \n = new line lcd.message(text) sleep(3) # scroll text off display for x in range(0, 16): lcd.move_right() sleep(.1) sleep(3) # scroll text on display for x in range(0, 16): lcd.move_left() sleep(.1)
class PrinterWorkerThread(threading.Thread): def __init__(self, print_q): super(PrinterWorkerThread, self).__init__() self.print_q = print_q self.stoprequest = threading.Event() self.lcd = Adafruit_CharLCD() self.lcd.begin(16,1) self.lcd.clear() def run(self): while not self.stoprequest.isSet(): try: to_print = self.print_q.get(True, 0.05) self.lcd.clear() self.lcd.message('%s' %(to_print)) #self.lcd.message("Test") print("%s") % (to_print) except Queue.Empty: continue def join(self,timeout=None): self.stoprequest.set() super(PrinterWorkerThread, self).join(timeout)
def displayresult(prediction): lcd = Adafruit_CharLCD(rs=26, en=19, d4=13, d5=6, d6=5, d7=11, cols=16, lines=2) lcd.clear() # display text on LCD display \n = new line lcd.message(prediction) sleep(.3) # scroll text off display '''for x in range(0, 16): lcd.move_right() sleep(.1) sleep(3) # scroll text on display for x in range(0, 16): lcd.move_left() sleep(.1)''' sleep(.3)
class DisplayManager(object): def __init__(self): self.s=Adafruit_CharLCD() self.s.clear() self.__displayText("Welcome") time.sleep(1) self.s.clear() def __displayText(self, strText): self.s.message(strText) def displayText(self, strText): print("Displaying " + strText) if 'none' not in strText.lower(): self.__displayText(strText) elif 'none' in strText.lower(): self.s.clear() else: self.__displayText("Unknown!") self.s.clear()
def run(self): # LCD object lcd = AdaLcd(**params['_lcd_pins']) lcd.clear() URL = params['_url'] client = requests.session() # Retrieve the CSRF token first get = client.get(URL + '/login') # sets cookie login_data = { 'id': params['_permit'], 'password': params['_password'], '_token': re.compile('\"_token\".*value=\"(?P<Value>\w*)\"\>').search( get.text).group('Value') # get the token from text } client.post(URL + '/login', data=login_data, cookies=client.cookies) payment_count = 0 lcd_str = 'Paid:%d. Rem:%d\n%s.' lcd.message( lcd_str % (payment_count, params['_mas_passengers'] - payment_count, '....')) reader = Serial(port=params['_port']) """ TheLoop """ while True: read_val = reader.read(params['_size']) lcd.clear() lcd.message(lcd_str % (payment_count, params['_mas_passengers'] - payment_count, '....')) uid_val = json.loads(read_val[:-2].decode())['UID'] ret = json.loads( client.get(URL + '/transfer/%s/%s/%s' % (uid_val, params['_permit'], params['_cost']), cookies=client.cookies).text) if ret['_status'] == 200: payment_count += 1 lcd.clear() lcd.message(lcd_str % (payment_count, params['_mas_passengers'] - payment_count, ret['_description']))
class LCD(object): """ A 16x2 LCD Display """ def __init__(self): """ LCD Constructor """ # Setup LCD self.lcd = Adafruit_CharLCD( rs=12, en=5, d4=6, # Pins are being hardcoded d5=13, d6=19, d7=26, # cols=16, lines=2) # (16x2 LCD) # Clear the LCD self.lcd.clear() def setText(self, message, displayTime=None): """ Set the LCD display text Parameters ---------- message : string The message to be displayed on the LCD displayTime : int,optional The amount of time the message will be displayed If omitted, the message will disappear once the LCD is cleared Returns ------- None """ # Clear the LCD self.lcd.clear() # Set the LCD text self.lcd.message(message) #If displayTime is provided, sleep for 'displayTime' seconds, then clear LCD if displayTime != None: time.sleep(displayTime) self.lcd.clear()
def run(self): # LCD object lcd = AdaLcd(**params['_lcd_pins']) lcd.clear() URL = params['_url'] client = requests.session() # Retrieve the CSRF token first get = client.get(URL + '/login') # sets cookie login_data = { 'id' : params['_permit'], 'password' : params['_password'], '_token' : re.compile('\"_token\".*value=\"(?P<Value>\w*)\"\>') .search(get.text).group('Value') # get the token from text } client.post(URL+'/login', data=login_data, cookies=client.cookies) payment_count = 0 lcd_str = 'Paid:%d. Rem:%d\n%s.' lcd.message(lcd_str%(payment_count, params['_mas_passengers'] - payment_count, '....')) reader = Serial(port=params['_port']) """ TheLoop """ while True: read_val = reader.read(params['_size']) lcd.clear() lcd.message(lcd_str%(payment_count, params['_mas_passengers'] - payment_count, '....')) uid_val = json.loads(read_val[:-2].decode())['UID'] ret = json.loads(client.get(URL+'/transfer/%s/%s/%s'%(uid_val, params['_permit'], params['_cost']), cookies=client.cookies).text) if ret['_status'] == 200: payment_count += 1 lcd.clear() lcd.message(lcd_str%(payment_count, params['_mas_passengers'] - payment_count, ret['_description']))
# Get data from SHT11 sht1x = SHT1x(dataPin, clkPin) temperature = sht1x.read_temperature_C() humidity = sht1x.read_humidity() try: dewPoint = sht1x.calculate_dew_point(temperature, humidity) except ValueError, msg: print("Error calculating dew point: %s" % msg) # Format time curtime = strftime("%H:%M", localtime()) curdate = strftime("%Y-%m-%d", localtime()) # Setup LCD lcd = Adafruit_CharLCD() lcd.clear() # \xDF = degree symbol for LCD display # Show the data lcd.message("T: {:2.2f}\xDFC H: {:2.2f}%\nD: {:2.2f}\xDFC T: {}".format(temperature, humidity, dewPoint, curtime)) # print("T: {:2.2f}\xC2\xB0C H: {:2.2f}%\nD: {:2.2f}\xB0C T: {}".format(temperature, humidity, dewPoint, curtime)) print("Date: {} Time: {} Temperature: {:2.2f}\xC2\xB0C Humiditiy: {:2.2f}% Dew Point: {:2.2f}\xC2\xB0C".format(curdate, curtime, temperature, humidity, dewPoint)) # Flush output, needed to get output if ran with nohup sys.stdout.flush() if count < totalcount: count += 1 else: count = 0
#!/usr/local/bin/python # -*- coding: utf-8 -*- import sys sys.path.append('/home/pi/Adafruit-Raspberry-Pi-Python-Code-legacy/Adafruit_CharLCD') from Adafruit_CharLCD import Adafruit_CharLCD text1 = u'コンニチワ!' text2 = u'RasberryPi デス' text1 = text1.encode('shift-jis') text2 = text2.encode('shift-jis') try: lcd = Adafruit_CharLCD() lcd.clear() lcd.message(text1) lcd.message('\n') lcd.message(text2) finally: print 'cleanup' lcd.GPIO.cleanup()
class HashTagDisplay(): def __init__(self, cols, rows, delay, debug=False): # number of columns on the character LCD (min: 16, max: 20) self.cols = cols # number of rows on the character LCD (min: 1, max: 4) self.rows = rows # duration in seconds to allow human to read LCD lines self.delay = delay # print messages to shell for debugging self.debug = debug if debug == True: print " cols = {0}".format(cols) print " rows = {0}".format(rows) print "delay = {0}".format(delay) self.lcd = Adafruit_CharLCD() self.lcd.begin(cols, rows) def search(self, hashtag): """ search for tweets with specified hashtag """ twitter_search = Twitter(domain="search.twitter.com") return twitter_search.search(q=hashtag) def display(self, results): """ Display each tweet in the twitter search results """ for tweet in results.get('results'): msg = "@" + tweet.get('from_user') + ": " + tweet.get('text') if self.debug == True: print "msg: " + msg # break tweet into lines the width of LCD lines = textwrap.wrap(msg, self.cols) self.printLines(lines) def printLines(self, lines): """ display each line of the tweet """ i = 0 while i < lines.__len__(): self.lcd.clear() # print line to each LCD row for row in range(self.rows): # display line on current LCD row self.lcd.setCursor(0,row) self.lcd.message(lines[i]) i=i+1 # 200ms delay is now only for visual effect # initially added the delay to avoid issue # where garbage characters were displayed: # https://github.com/adafruit/Adafruit-Raspberry-Pi-Python-Code/pull/13 sleep(0.2) # no more lines remaining for this tweet if i >= lines.__len__(): # sleep according to the number of rows displayed row_delay = self.delay / float(self.rows) delay = row_delay * (row+1) if(delay < 1): delay = 1 sleep(delay) break # pause to allow human to read displayed rows if(row+1 >= self.rows): sleep(self.delay)
class Humsie_DisplayThread (threading.Thread): intCurIndex = -1; arrPages = { }; bRunning = False; LCD = False; intTimePerPage = 3; bUpdatingDisplay = False; intColor = -1; arrColors = []; def __init__(self, threadID, name, counter, GPIO=False): threading.Thread.__init__(self) self.threadID = threadID self.name = name self.counter = counter if GPIO == False: self.LCD = Adafruit_CharLCDPlate(); self.arrColors = [self.LCD.RED,self.LCD.GREEN,self.LCD.BLUE,self.LCD.YELLOW,self.LCD.TEAL,self.LCD.VIOLET,self.LCD.WHITE,self.LCD.ON ] self.intColor = 0; else: self.LCD = Adafruit_CharLCD(25, 24, [23, 17, 27, 22], GPIO); def start(self): self.bRunning = True; threading.Thread.start(self) def run(self): while self.bRunning == True: self.intCurIndex += 1; if self.arrPages.has_key(self.intCurIndex) == False: self.intCurIndex = 0; self.displayPage(self.intCurIndex); sleep(self.intTimePerPage); if self.intColor >= 0: self.intColor += 1; if self.intColor >= len(self.arrColors): self.intColor = 0; self.LCD.backlight(self.arrColors[self.intColor]); return def gotoPage(self, index): self.intCurIndex = index; if self.arrPages.has_key(self.intCurIndex) == False: self.intCurIndex = 0; self.displayPage(index) def displayPage(self, index): if self.bUpdatingDisplay == False: if self.arrPages.has_key(index) != False: self.bUpdatingDisplay = True self.LCD.clear() self.LCD.message(self.arrPages[index]) self.bUpdatingDisplay = False return; def setTimePerPage(self, seconds=3): self.intTimePerPage = seconds return self.intTimePerPage def stop(self): self.LCD.clear(); self.bRunning = False return def stopped(self): return self.bRunning def setPage(self, index, line): if self.arrPages[index] != line: self.arrPages[index] = line; if self.intCurIndex == index: self.displayPage(self.intCurIndex); return; def registerPage(self, content = ''): length = len(self.arrPages); self.arrPages[length] = content; return length;
class launcher: def __init__(self): # Need a state set for this launcher. self.menu = ["Remote Control"] self.menu += ["Three Point Turn"] self.menu += ["Straight Line Speed"] self.menu += ["Line Following"] self.menu += ["Proximity"] self.menu += ["Quit Challenge"] self.menu += ["Power Off Pi"] self.menu_quit_challenge = 3 # default menu item is remote control self.menu_state = 0 self.menu_button_pressed = False self.drive = None self.wiimote = None # Current Challenge self.challenge = None self.challenge_name = "" GPIO.setwarnings(False) self.GPIO = GPIO # LCD Display self.lcd = Adafruit_CharLCD( pin_rs=25, pin_e=24, pins_db=[23, 17, 27, 22], GPIO=self.GPIO ) self.lcd.begin(16, 1) self.lcd.clear() self.lcd.message('Initiating...') self.lcd_loop_skip = 5 # Shutting down status self.shutting_down = False def menu_item_selected(self): """Select the current menu item""" # If ANYTHING selected, we gracefully # kill any challenge threads open self.stop_threads() if self.menu[self.menu_state]=="Remote Control": # Start the remote control logging.info("Entering into Remote Control Mode") self.challenge = rc.rc(self.drive, self.wiimote) # Create and start a new thread running the remote control script self.challenge_thread = threading.Thread(target=self.challenge.run) self.challenge_thread.start() # Ensure we know what challenge is running if self.challenge: self.challenge_name = self.menu[self.menu_state] # Move menu index to quit challenge by default self.menu_state = self.menu_quit_challenge elif self.menu[self.menu_state]=="Three Point Turn": # Start the three point turn challenge logging.info("Starting Three Point Turn Challenge") self.challenge = ThreePointTurn(self.drive) # Create and start a new thread running the remote control script self.challenge_thread = threading.Thread(target=self.challenge.run) self.challenge_thread.start() # Ensure we know what challenge is running if self.challenge: self.challenge_name = self.menu[self.menu_state] # Move menu index to quit challenge by default self.menu_state = self.menu_quit_challenge elif self.menu[self.menu_state]=="Straight Line Speed": # Start the straight line speed challenge logging.info("Starting Straight Line Speed Challenge") self.challenge = StraightLineSpeed(self.drive) # Ensure we know what challenge is running if self.challenge: self.challenge_name = self.menu[self.menu_state] # Move menu index to quit challenge by default self.menu_state = self.menu_quit_challenge elif self.menu[self.menu_state]=="Line Following": # Start the Line Following challenge logging.info("Starting Line Following Challenge") self.challenge = LineFollowing(self.drive) # Ensure we know what challenge is running if self.challenge: self.challenge_name = self.menu[self.menu_state] # Move menu index to quit challenge by default self.menu_state = self.menu_quit_challenge elif self.menu[self.menu_state]=="Proximity": # Start the Proximity challenge logging.info("Starting Proximity Challenge") self.challenge = Proximity(self.drive) # Ensure we know what challenge is running if self.challenge: self.challenge_name = self.menu[self.menu_state] # Move menu index to quit challenge by default self.menu_state = self.menu_quit_challenge elif self.menu[self.menu_state]=="Quit Challenge": # Reset menu item back to top of list self.menu_state = 0 logging.info("No Challenge Challenge Thread") elif self.menu[self.menu_state]=="Power Off Pi": # Power off the raspberry pi safely # by sending shutdown command to terminal logging.info("Shutting Down Pi") os.system("sudo shutdown -h now") self.shutting_down = True def set_neutral(self, drive, wiimote): """Simple method to ensure motors are disabled""" if drive: drive.set_neutral() drive.disable_drive() if wiimote is not None: # turn on leds on wii remote wiimote.led = 2 def set_drive(self, drive, wiimote): """Simple method to highlight that motors are enabled""" if wiimote is not None: # turn on leds on wii remote #turn on led to show connected drive.enable_drive() wiimote.led = 1 def stop_threads(self): """Method neatly closes any open threads started by this class""" if self.challenge: self.challenge.stop() self.challenge = None self.challenge_thread = None logging.info("Stopping Challenge Thread") else: logging.info("No Challenge Challenge Thread") # Safety setting self.set_neutral(self.drive, self.wiimote) def run(self): """ Main Running loop controling bot mode and menu state """ # Tell user how to connect wiimote self.lcd.clear() self.lcd.message( 'Press 1+2 \n' ) self.lcd.message( 'On Wiimote' ) # Initiate the drivetrain self.drive = drivetrain.DriveTrain(pwm_i2c=0x40) self.wiimote = None try: self.wiimote = Wiimote() except WiimoteException: logging.error("Could not connect to wiimote. please try again") if not self.wiimote: # Tell user how to connect wiimote self.lcd.clear() self.lcd.message( 'Wiimote \n' ) self.lcd.message( 'Not Found' + '\n' ) # Constantly check wiimote for button presses loop_count = 0 while self.wiimote: buttons_state = self.wiimote.get_buttons() nunchuk_buttons_state = self.wiimote.get_nunchuk_buttons() joystick_state = self.wiimote.get_joystick_state() # logging.info("joystick_state: {0}".format(joystick_state)) # logging.info("button state {0}".format(buttons_state)) # Always show current menu item # logging.info("Menu: " + self.menu[self.menu_state]) if loop_count >= self.lcd_loop_skip: # Reset loop count if over loop_count = 0 self.lcd.clear() if self.shutting_down: # How current menu item on LCD self.lcd.message( 'Shutting Down Pi' + '\n' ) else: # How current menu item on LCD self.lcd.message( self.menu[self.menu_state] + '\n' ) # If challenge is running, show it on line 2 if self.challenge: self.lcd.message( '[' + self.challenge_name + ']' ) # Increment Loop Count loop_count = loop_count + 1 # Test if B button is pressed if joystick_state is None or (buttons_state & cwiid.BTN_B) or (nunchuk_buttons_state & cwiid.NUNCHUK_BTN_Z): # No nunchuk joystick detected or B or Z button # pressed, must go into neutral for safety logging.info("Neutral") self.set_neutral(self.drive, self.wiimote) else: # Enable motors self.set_drive(self.drive, self.wiimote) if ((buttons_state & cwiid.BTN_A) or (buttons_state & cwiid.BTN_UP) or (buttons_state & cwiid.BTN_DOWN)): # Looking for state change only if not self.menu_button_pressed and (buttons_state & cwiid.BTN_A): # User wants to select a menu item self.menu_item_selected() elif not self.menu_button_pressed and (buttons_state & cwiid.BTN_UP): # Decrement menu index self.menu_state = self.menu_state - 1 if self.menu_state < 0: # Loop back to end of list self.menu_state = len(self.menu)-1 logging.info("Menu item: {0}".format(self.menu[self.menu_state])) elif not self.menu_button_pressed and (buttons_state & cwiid.BTN_DOWN): # Increment menu index self.menu_state = self.menu_state + 1 if self.menu_state >= len(self.menu): # Loop back to start of list self.menu_state = 0 logging.info("Menu item: {0}".format(self.menu[self.menu_state])) # Only change button state AFTER we have used it self.menu_button_pressed = True else: # No menu buttons pressed self.menu_button_pressed = False time.sleep(0.05)
class SkyPi: def __init__(self): self.FSM = SkyPi_FSM() # flags self.redraw_flag = True self.wifi_mode_adhoc_flag = False # setup LCD screen self.lcd = Adafruit_CharLCD() self.lcd.begin(16, 2) self.lcd.clear() self.lcd.message("Start SkyPi_LCDd\n") # setup datetime self.time_state = True self.time_str_fmt = ' %m/%d %H:%M' self.datetime_str=datetime.now().strftime(self.time_str_fmt) # gps self.gps = SkyPi_GPS(SP_CFG.DT_GPS_CHECK) # net self.net = SkyPi_NET() # setup GPIOs GPIO.setmode(GPIO.BCM) GPIO.setup(SP_CFG.PIN_BUTTON_HC_SETUP, GPIO.IN, pull_up_down=GPIO.PUD_UP) GPIO.setup(SP_CFG.PIN_SWITCH_ADHOC_MODE, GPIO.IN, pull_up_down=GPIO.PUD_UP) def Show_GPS_IP(self): # gps status self._show_gps_status() # time self._show_time() # ip self._show_ip() # reset redraw_flag self.redraw_flag = False # monitor button self.check_buttons() def Change_WiFi_Mode(self,mode): if mode == 'A': self.net.switch_to_AdHoc() elif mode == 'M': self.net.switch_to_Managed() def Setup_HC(self): self.lcd.clear() self.lcd.setCursor(0,0) self.lcd.message('Button pressed\n') sleep(1) self.lcd.clear() self.lcd.setCursor(0,0) lat,lon,status = self.gps.get_location() self.lcd.message('S:%2d lat:%g' % (status,lat)) self.lcd.setCursor(0,1) self.lcd.message(' lon:%g' % lon) self.redraw_flag = True sleep(2) self.lcd.clear() def check_buttons(self): if GPIO.input(SP_CFG.PIN_BUTTON_HC_SETUP) == False: self.Setup_HC() if GPIO.input(SP_CFG.PIN_SWITCH_ADHOC_MODE) == False: if not self.wifi_mode_adhoc_flag: self.Change_WiFi_Mode('A') self.wifi_mode_adhoc_flag = True else: if self.wifi_mode_adhoc_flag: self.Change_WiFi_Mode('M') self.wifi_mode_adhoc_flag = False def _show_gps_status(self): """ show GPS status """ if ( self.gps.check_gps() or self.redraw_flag ): # show GPS info on LCD self.lcd.setCursor(0,0) self.lcd.message(self.gps.gps_status_str()) def _show_ip(self): local_redraw_flag = False # if address has changed if ( self.net.check_net() or self.redraw_flag ): # clear previous IP self.lcd.setCursor(0,1) self.lcd.message(16*' ') # new IP self.lcd.setCursor(0,1) self.lcd.message(self.net.net_status_str()) def _show_time(self): current_datetime_str=datetime.now().strftime(self.time_str_fmt) if ( current_datetime_str != self.datetime_str or self.redraw_flag ): self.datetime_str = current_datetime_str self.lcd.setCursor(3,0) self.lcd.message(self.datetime_str) # blinking ":" self.time_state = not self.time_state self.lcd.setCursor(15,0) if self.time_state: self.lcd.message(':') else: self.lcd.message(' ')
class HashTagDisplay(): def __init__(self, cols, rows, delay, debug=False): # number of columns on the character LCD (min: 16, max: 20) self.cols = cols # number of rows on the character LCD (min: 1, max: 4) self.rows = rows # duration in seconds to allow human to read LCD lines self.delay = delay # print messages to shell for debugging self.debug = debug if debug == True: print " cols = {0}".format(cols) print " rows = {0}".format(rows) print "delay = {0}".format(delay) self.lcd = Adafruit_CharLCD() self.lcd.begin(cols, rows) def search(self, hashtag): """ search for tweets with specified hashtag """ twitter_search = Twitter(domain="search.twitter.com") return twitter_search.search(q=hashtag) def display(self, results): """ Display each tweet in the twitter search results """ for tweet in results.get('results'): msg = "@" + tweet.get('from_user') + ": " + tweet.get('text') if self.debug == True: print "msg: " + msg # break tweet into lines the width of LCD lines = textwrap.wrap(msg, self.cols) self.printLines(lines) def printLines(self, lines): """ display each line of the tweet """ i = 0 while i < lines.__len__(): self.lcd.clear() # print line to each LCD row for row in range(self.rows): # display line on current LCD row self.lcd.setCursor(0, row) self.lcd.message(lines[i]) i = i + 1 # 200ms delay is now only for visual effect # initially added the delay to avoid issue # where garbage characters were displayed: # https://github.com/adafruit/Adafruit-Raspberry-Pi-Python-Code/pull/13 sleep(0.2) # no more lines remaining for this tweet if i >= lines.__len__(): # sleep according to the number of rows displayed row_delay = self.delay / float(self.rows) delay = row_delay * (row + 1) if (delay < 1): delay = 1 sleep(delay) break # pause to allow human to read displayed rows if (row + 1 >= self.rows): sleep(self.delay)
class LCD: __line1 = "" __line2 = "" __isLock = False __wait = 3 #seconds def __init__(self): self.lcd = Adafruit_CharLCD() self.lcd.clear() self.logger = LoggerModule.Logger("LCD Module") def hello(self): self.lcd.message(" Welcome to \n Kinderbox ") def turn_off(self): self.lcd.noDisplay() def display_ip(self): cmd = "ip addr show eth0 | grep inet | awk '{print $2}' | cut -d/ -f1" p = Popen(cmd, shell=True, stdout=PIPE) ipaddr = p.communicate()[0] self.message("Ready to scan", "IP: %s" %ipaddr, True) def display_pause(self): self.message("", "Pause", True) def display_ready(self): #self.message("", "Ready", True) self.display_ip() def display_volume(self, message): self.message("", message, True) self.__isLock = True self.__locked_time = time() def message(self, line1, line2, force = False): if force: self.__isLock = False if self.__isLock: current_time = time() if current_time - self.__locked_time >= self.__wait: self.__isLock == False else: return if self.__line1 == line1 and self.__line2 == line2: return try: n_line1 = normalization.remove_unicode(line1) except Exception, e1: print "Line1: %s" %e1 n_line1 = "unkown" try: n_line2 = normalization.remove_unicode(line2) except Exception, e2: print "Line2: %s" %e2 n_line2 = "unkown"
def programa(): # importação de bibliotecas import random import numpy as np from time import sleep from mplayer import Player from gpiozero import LED from gpiozero import Button from Adafruit_CharLCD import Adafruit_CharLCD # definição de funções #player.loadfile("musica.mp3") #player.loadlist("lista.txt") def TocarEPausar(): player.pause() if (player.paused): led.blink() else: led.on() def ProximaFaixa(): player.pt_step(1) #player.speed = 2 return def FaixaAnterior(): if (player.time_pos > 2.00): player.time_pos = 0.00 return player.pt_step(-1) return def Acelera(): player.speed = player.speed * 2 def VoltaAoNormal(): velocidade = player.speed if velocidade != None and velocidade > 1: player.speed = 1 return ProximaFaixa() def embaralhaLista(): f = open("playlist.txt", "r") lista = f.readlines() random.shuffle(lista) f.close() f = open("playlist_nova.txt", "w") f.writelines(lista) f.close() player.loadlist("playlist_nova.txt") #lista = random.shuffle("playlist.txt") #player.loadlist(lista) ### #arr = np.array(lista) #test =np.loadtxt(lista) #test =np.loadtxt("playlist.txt") #test= np.random.shuffle(test) #np.savetxt("listanova.txt",test) #print(test) # criação de componentes player = Player() player.loadlist("playlist.txt") led = LED(21) lcd = Adafruit_CharLCD(2, 3, 4, 5, 6, 7, 16, 2) button1 = Button(11) button2 = Button(12) button3 = Button(13) button4 = Button(14) button1.when_pressed = FaixaAnterior button2.when_pressed = TocarEPausar button3.when_held = Acelera button3.when_released = VoltaAoNormal button4.when_pressed = embaralhaLista led.on() # loop infinito while True: metadados = player.metadata posicao = player.time_pos duracao = player.length if (metadados != None and posicao != None and duracao != None): nome = metadados["Title"] #if string.count(nome)>16: tempo_atual = int(posicao) tamanho = int(duracao) minuto_atual = str(tempo_atual // 60) segundos_atual = str(int(tempo_atual % 60)) tamanho_minutos = str(tamanho // 60) tamanho_segundos = str(int(tamanho % 60)) texto = "%s:%s de %s:%s" % ( minuto_atual.zfill(2), segundos_atual.zfill(2), tamanho_minutos.zfill(2), tamanho_segundos.zfill(2)) lcd.clear() lcd.message(nome) lcd.message('\n') lcd.message(texto) sleep(0.2)
def programa(): # importação de bibliotecas from time import sleep from mplayer import Player from gpiozero import LED from gpiozero import Button from Adafruit_CharLCD import Adafruit_CharLCD # definição de funções #player.loadfile("musica.mp3") #player.loadlist("lista.txt") def TocarEPausar(): player.pause() if (player.paused): led.blink() else: led.on() def ProximaFaixa(): player.pt_step(1) return def FaixaAnterior(): if (player.time_pos > 2.00): player.time_pos = 0.00 return player.pt_step(-1) return # criação de componentes player = Player() player.loadlist("playlist.txt") led = LED(21) lcd = Adafruit_CharLCD(2,3,4,5,6,7,16,2) button1 = Button(11) button2 = Button(12) button3 = Button(13) button1.when_pressed = FaixaAnterior button2.when_pressed = TocarEPausar button3.when_pressed = ProximaFaixa led.on() # loop infinito while True: metadados = player.metadata if metadados != None: nome = player.metadata["Title"] lcd.clear() lcd.message(nome) sleep(0.2)