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 ﾃﾞｽ'
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)
