class LCD:
def __init__(self):
GPIO.setwarnings(False)
self.lcd = CharLCD(numbering_mode=GPIO.BOARD, cols=16, rows=2, pin_rs=40, pin_e=38, pins_data=[36, 37, 35, 33])
self.lcd.cursor_mode = 'hide'
self.lcd.create_char(0, full_square)
def write(self, code, seconds_remaining):
'''
Keyword arguments:
code -- the code to be displayed
seconds_remaining -- the seconds remaining (max 16)
'''
self.clear()
# Center code horizontally
LCD_WIDTH = 16
lcd_y = (LCD_WIDTH - len(str(code))) // 2
self.lcd.cursor_pos = (0, lcd_y)
self.lcd.write_string(code)
self.lcd.cursor_pos = (1, 0)
self.lcd.write_string(chr(0) * seconds_remaining)
def clear(self):
self.lcd.clear()
class LcdOutput(object):
def __init__(self):
self.lcd = CharLCD(pin_rs=3, pin_e=5, pins_data=[18, 22, 7, 13],
pin_rw=None, numbering_mode=GPIO.BOARD,
cols=16, rows=2, dotsize=8)
self.chars = {}
def update(self, *lines):
with cleared(self.lcd):
for i in range(0, len(lines)):
self.lcd.cursor_pos = (i, 0)
text = self.__replace_custom_chars(lines[i])
self.lcd.write_string(text)
def __replace_custom_chars(self, text):
for search, replace in self.chars.items():
text = text.replace(search, replace)
return text
def create(self, new_char):
self.lcd.create_char(new_char.code, new_char.bitmap)
self.chars[new_char.replacement] = chr(new_char.code)
def close(self):
self.lcd.close(clear=True)
class LcdDisplayHardware: def __init__(self, width, height): GPIO.setwarnings(False) self.lcd = None self.width = width self.height = height def __initHardware(self): if (self.lcd is None): self.lcd = CharLCD(pin_rs=26, pin_e=24, pins_data=[22, 18, 16, 12], numbering_mode=GPIO.BOARD, cols=self.width, rows=self.height, dotsize=8) def defineCharacter(self, characterNumber, characterDefinition): self.__initHardware() self.lcd.create_char(characterNumber, characterDefinition) def drawLine(self, lineNumber, line): self.__initHardware() self.lcd.cursor_pos = (lineNumber, 0) self.lcd.write_string(line) def drawString(self, lineNumber, columnNumber, line): self.__initHardware() self.lcd.cursor_pos = (lineNumber, columnNumber) self.lcd.write_string(line) def turnDisplay(self, state): LED_ON = 32 GPIO.setup(LED_ON, GPIO.OUT) GPIO.output(LED_ON, state) def setupCharacters(self, characterDefinition): self.__initHardware() for characterNumber in range(0, len(characterDefinition.CustomCharacters)): self.defineCharacter(characterNumber, characterDefinition.CustomCharacters[characterNumber])
def main():
# on lit les sondes
# point froid
humidity, temperature = Adafruit_DHT.read_retry(Adafruit_DHT.DHT22, 22)
# point chaud
humidityC, temperatureC = Adafruit_DHT.read_retry(Adafruit_DHT.DHT22, 27)
# on arrondi a 2 chiffres
humidity = round(humidity, 2)
temperature = round(temperature, 2)
humidityC = round(humidityC, 2)
temperatureC = round(temperatureC, 2)
lcd = CharLCD(cols=16,
rows=2,
pin_rw=None,
pin_rs=7,
pin_e=8,
pins_data=[25, 24, 23, 18],
pin_backlight=13,
backlight_enabled=True,
numbering_mode=GPIO.BCM)
with cleared(lcd):
lcd.create_char(2, tete)
lcd.create_char(3, corpsbas)
lcd.create_char(4, corpshaut)
lcd.write_string(unichr(3))
lcd.write_string(unichr(4))
lcd.write_string(unichr(3))
lcd.write_string(unichr(4))
lcd.write_string(unichr(3))
lcd.write_string(unichr(4))
lcd.write_string(unichr(2))
lcd.write_string(u' ')
lcd.write_string(unichr(2))
lcd.write_string(unichr(4))
lcd.write_string(unichr(3))
lcd.write_string(unichr(4))
lcd.write_string(unichr(3))
lcd.write_string(unichr(4))
lcd.write_string(unichr(3))
with cursor(lcd, 1, 0):
lcd.create_char(1, coeur)
lcd.write_string(unichr(1))
lcd.write_string(unichr(1))
lcd.write_string(unichr(1))
lcd.write_string(u' Salut ! ')
lcd.write_string(unichr(1))
lcd.write_string(unichr(1))
lcd.write_string(unichr(1))
time.sleep(4)
with cleared(lcd):
lcd.write_string(u'Point chaud :')
with cursor(lcd, 1, 0):
lcd.write_string(u' Temp = %s ' % temperatureC)
lcd.create_char(0, degres)
lcd.write_string(unichr(0))
lcd.write_string(u'C')
time.sleep(5)
with cleared(lcd):
lcd.write_string(u'Point chaud :')
with cursor(lcd, 1, 0):
lcd.write_string(u' Humi = %s ' % humidityC)
lcd.write_string(u'%')
time.sleep(5)
with cleared(lcd):
lcd.write_string(u'Point froid :')
with cursor(lcd, 1, 0):
lcd.write_string(u' Temp = %s ' % temperature)
lcd.create_char(0, degres)
lcd.write_string(unichr(0))
lcd.write_string(u'C')
time.sleep(5)
with cleared(lcd):
lcd.write_string(u'Point froid :')
with cursor(lcd, 1, 0):
lcd.write_string(u' Humi = %s ' % humidity)
lcd.write_string(u'%')
time.sleep(5)
with cleared(lcd):
lcd.create_char(2, tete)
lcd.create_char(3, corpsbas)
lcd.create_char(4, corpshaut)
lcd.write_string(unichr(3))
lcd.write_string(unichr(4))
lcd.write_string(unichr(3))
lcd.write_string(unichr(4))
lcd.write_string(unichr(3))
lcd.write_string(unichr(4))
lcd.write_string(unichr(2))
lcd.write_string(u' ')
lcd.write_string(unichr(2))
lcd.write_string(unichr(4))
lcd.write_string(unichr(3))
lcd.write_string(unichr(4))
lcd.write_string(unichr(3))
lcd.write_string(unichr(4))
lcd.write_string(unichr(3))
with cursor(lcd, 1, 0):
lcd.create_char(1, coeur)
lcd.write_string(unichr(1))
lcd.write_string(unichr(1))
lcd.write_string(unichr(1))
lcd.write_string(u' Bye-bye ! ')
lcd.write_string(unichr(1))
lcd.write_string(unichr(1))
lcd.write_string(unichr(1))
time.sleep(4)
lcd.close(clear=True)
import time
import RPi.GPIO as GPIO
from RPLCD import CharLCD, cleared, cursor
print ""
print "Programma python scritto da Michele Lizzit"
print "Written by Michele Lizzit"
print "Last update 25 Apr 2016"
print ""
campanella = (0b00100, 0b00100, 0b00100, 0b01110, 0b01110, 0b11111, 0b00100,
0b00000)
lcd = CharLCD(pin_rs=19,
pin_rw=21,
pin_e=3,
pins_data=[23, 26, 22, 24],
numbering_mode=GPIO.BOARD,
cols=20,
rows=4,
dotsize=8)
lcd.create_char(0, campanella)
while (1):
lcd.clear()
lcd.write_string(unichr(0))
lcd.write_string(u'Gestione campanelle')
lcd.cursor_pos = (1, 0)
timeStr = time.strftime("%H:%M:%S %d/%m")
lcd.write_string(timeStr)
time.sleep(1)
class LCD_SYS_2:
def __init__(self):
if gv.IS_DEBIAN:
self.thread_sleep = 0.1
else:
self.thread_sleep = 0.2
self.timeout_init = 3 # 3 sec
self.timeout_init /= self.thread_sleep # Adjust according to while loop sleep time
self.timeout = self.timeout_init
self.display_called = False
if (gv.USE_HD44780_16x2_LCD or gv.USE_HD44780_20x4_LCD
or gv.USE_I2C_16X2DISPLAY) and gv.IS_DEBIAN:
import lcdcustomchars as lcdcc
import RPi.GPIO as GPIO
from RPLCD import CharLCD
if (gv.USE_HD44780_16x2_LCD or gv.USE_HD44780_20x4_LCD):
self.lcd = CharLCD(pin_rs=gv.GPIO_LCD_RS,
pin_rw=None,
pin_e=gv.GPIO_LCD_E,
pins_data=[
gv.GPIO_LCD_D4, gv.GPIO_LCD_D5,
gv.GPIO_LCD_D6, gv.GPIO_LCD_D7
],
numbering_mode=GPIO.BCM,
cols=gv.LCD_COLS,
rows=gv.LCD_ROWS,
charmap='A00')
elif (gv.USE_I2C_16X2DISPLAY):
self.lcd = CharLCD('PCF8574', gv.I2C_16x2DISPLAY_ADDR)
self.lcd.create_char(1, lcdcc.block)
self.lcd.create_char(2, lcdcc.arrow_right_01)
self.lcd.create_char(3, lcdcc.voice_button_on)
self.lcd.create_char(4, lcdcc.voice_button_off)
if (gv.USE_HD44780_16x2_LCD
or gv.USE_HD44780_20x4_LCD) and gv.SYSTEM_MODE == 2:
self.STRING_1 = ''
self.STRING_2 = ''
self.LCDThread = threading.Thread(target=self.lcd_main)
self.LCDThread.daemon = True
self.LCDThread.start()
# time.sleep(0.5)
# display('Start SamplerBox') # bug: the way autochorder is loaded causes issue
# time.sleep(0.5)
def lcd_main(self):
if gv.IS_DEBIAN:
self.lcd.clear()
self.lcd_string("WELCOME TO", 1)
self.lcd_string("-=SAMPLERBOX=-", 2)
time.sleep(1)
while True:
if self.display_called:
if self.timeout > 0:
self.timeout -= 1
else:
self.display_called = False
self.tempDisplay = False
self.lcd_string(self.STRING_1, 1)
self.lcd_string(self.STRING_2, 2)
time.sleep(self.thread_sleep)
def lcd_string(self, message, line):
message = message.center(gv.LCD_COLS, " ")
if gv.IS_DEBIAN:
global lcd
lcd._set_cursor_pos((line - 1, 0))
lcd.write_string(message)
def display(self, s2):
if gv.USE_ALSA_MIXER:
s1 = "%s %s %d%% %+d" % (
gv.autochorder.CHORD_NAMES[gv.autochorder.current_chord],
gv.sample_mode, gv.global_volume, gv.globaltranspose)
else:
s1 = "%s %s %+d" % (
gv.autochorder.CHORD_NAMES[gv.autochorder.current_chord],
gv.sample_mode, gv.globaltranspose)
pass
if s2 == "":
if gv.currvoice > 1: s2 = str(gv.currvoice) + ":"
s2 += str(gv.basename) + str(" " * gv.LCD_COLS)
if gv.nav.buttfunc > 0:
s2 = s2[:gv.LCD_COLS -
2] + "*" + gv.nav.button_disp[gv.nav.buttfunc]
else:
s2 = s2 + ' ' * gv.LCD_COLS
if gv.PRINT_LCD_MESSAGES:
message = "\r%s || %s" % (s1[:gv.LCD_COLS], s2[:gv.LCD_COLS])
# print "display: %s \\ %s" % (s1[:gv.LCD_COLS], s2[:gv.LCD_COLS])
sys.stdout.write(message)
sys.stdout.flush()
if gv.USE_GUI:
gui_message = message.replace('\r', '')
gui_message = gui_message.replace(' || ', '\r')
gv.gui.output['text'] = gui_message
# lcd.message(s1 + " "*8 + "\n" + s2 + " "*15)
# if gv.IS_DEBIAN:
# lcd.message(s1 + "\n" + s2)
self.STRING_1 = str(s1[:gv.LCD_COLS]) # line 1
self.STRING_2 = str(s2[:gv.LCD_COLS]) # line 2
self.timeout = self.timeout_init
self.display_called = True
unichr = chr
old_time = 0
counter = 0
lcd = CharLCD(cols=16, rows=2)
# custom symbols
lcd.clear()
top_line = (0b11111, 0b11111, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000)
bottom_line = (0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000, 0b11111, 0b11111)
both_lines = (0b11111, 0b11111, 0b00000, 0b00000, 0b00000, 0b00000, 0b11111, 0b11111)
dot = (0b00000, 0b00000, 0b00011, 0b00011, 0b00011, 0b00011, 0b00000, 0b00000)
lcd.create_char(0, top_line)
lcd.create_char(1, bottom_line)
lcd.create_char(2, both_lines)
lcd.create_char(3, dot)
# build big digits
def disp_number(number, position):
if number=="1" :
lcd.cursor_pos = (0, position)
lcd.write_string(unichr(0))
lcd.write_string(unichr(255))
lcd.write_string(unichr(254))
lcd.cursor_pos = (1, position)
lcd.write_string(unichr(1))
import RPi.GPIO as GPIO
from RPLCD import CharLCD
#Set up LCD
lcd = CharLCD(pin_rs=17,
pin_rw=None,
pin_e=27,
pins_data=[12, 16, 20, 21],
numbering_mode=GPIO.BCM,
cols=20,
rows=4,
dotsize=8,
auto_linebreaks=True)
lcd.create_char(
1,
[0b01100, 0b10010, 0b10010, 0b01100, 0b00000, 0b00000, 0b00000, 0b00000])
lcd.create_char(
2,
[0b00000, 0b10000, 0b01000, 0b00100, 0b00010, 0b00001, 0b00000, 0b00000])
#Wait for LCD to start up - otherwise you get garbage
time.sleep(1)
# Set up MySQL Connection
SQLHost = '127.0.0.1'
SQLUser = '******'
SQLPass = '******'
SQLDB = 'PiLN'
AppDir = '/home/PiLN'
lcd.clear()
lcd.cursor_mode = CursorMode.hide
lcd.write_string('Paris: 21{deg}C\n\rZ{uuml}rich: 18{deg}C'.format(
deg=unichr(176), uuml=unichr(129)))
print(
'Text should now show "Paris: 21°C, Zürich: 18°C" without any encoding issues.',
end='')
input()
# Test custom chars
lcd.clear()
happy = (0b00000, 0b01010, 0b01010, 0b00000, 0b10001, 0b10001, 0b01110,
0b00000)
sad = (0b00000, 0b01010, 0b01010, 0b00000, 0b01110, 0b10001, 0b10001, 0b00000)
lcd.create_char(0, sad)
lcd.write_string(unichr(0))
lcd.create_char(1, happy)
lcd.write_string(unichr(1))
input('You should now see a sad and a happy face next to each other. ')
lcd.create_char(0, happy)
lcd.home()
lcd.write_string(unichr(0))
input('Now both faces should be happy. ')
lcd.clear()
lcd.write_string('1234567890123456\r\n2nd line')
input(
'The first line should be filled with numbers, the second line should show "2nd line"'
)
# Declare LCD: cols and rows for your lcd, pin_rs = reset pin, pin_e = enable pin, pins_data for 4 bits communication, set pin numeriotation
lcd = CharLCD(cols=16, rows=2, pin_rs=37, pin_e=35, pins_data=[33, 31, 29, 23], numbering_mode=GPIO.BOARD)
# Turn off gpio warnings while in dev
GPIO.setwarnings(False)
# Declare the buffer to write on lcd (the buffer must be 16x2 - same as lcd)
framebuffer = [
'',
'',
]
long_string = str(framebuffer[1]) # save in long_string string to write on lcd
# Make icons for lcd
for index,val in enumerate(icon_bytes):
lcd.create_char(index, val)
# Function to write the buffer on the screen ( scroll animation of second row is made by deleting and drawing the text each .4s )
def write_to_lcd(lcd, framebuffer, num_cols):
lcd.home()
for row in framebuffer:
lcd.write_string(row.ljust(num_cols)[:num_cols])
lcd.write_string('\r\n')
# Function which makes scroll effect
def loop_string(string, lcd, framebuffer, row, num_cols, delay=0.4): #DELAY= CONTROLS THE SPEED OF SCROLL
padding = ' ' * num_cols
s = padding + string + padding
for i in range(len(s) - num_cols + 1):
0b01010,
0b01010,
0b10001,
0b10001,
0b10001,
0b01110,
)
temp = (
0b00100,
0b01010,
0b01010,
0b01110,
0b01110,
0b11111,
0b11111,
0b01110,
)
lcd.create_char(0, omega)
lcd.create_char(1, pi)
lcd.create_char(2, mu)
lcd.create_char(3, drop)
lcd.create_char(4, temp)
lcd.write_string(unichr(0))
lcd.write_string(unichr(1))
lcd.write_string(unichr(2))
lcd.write_string(unichr(3))
lcd.write_string(unichr(4))
class radio:
def __init__(self):
# Settings. Get from config file
# self.Frequency = 434.250
self.Modes = [{
'label': 'USB',
'frequency': 434.250,
'largestep': 0.1,
'smallstep': 0.0005
}, {
'label': 'LSB',
'frequency': 434.250,
'largestep': 0.1,
'smallstep': 0.0005
}, {
'label': 'AM',
'frequency': 20.0,
'largestep': 1.0,
'smallstep': 0.1
}, {
'label': 'FM',
'frequency': 434.250,
'largestep': 0.1,
'smallstep': 0.025
}, {
'label': 'WFM',
'frequency': 90.2,
'largestep': 0.1,
'smallstep': 0.0005
}, {
'label': 'APRS',
'frequency': 434.250,
'largestep': 0,
'smallstep': 0
}]
self.APRSModes = [{
'label': 'US',
'frequency': 144.390
}, {
'label': 'NZ',
'frequency': 144.575
}, {
'label': 'JP',
'frequency': 144.660
}, {
'label': 'EU',
'frequency': 144.800
}, {
'label': 'AR',
'frequency': 144.930
}, {
'label': 'AU',
'frequency': 145.175
}, {
'label': 'BR',
'frequency': 145.570
}]
# self.Frequency = 90.8
self.SmallStep = 0.1
self.LargeStep = 1
self.Mode = 0
self.APRSMode = 0
self.LargeSteps = False
self.Volume = 80
self.DataEntry = ''
self.ModePressed = False
# LCD
self.lcd = CharLCD(pin_rs=21,
pin_e=20,
pins_data=[26, 19, 13, 6],
numbering_mode=GPIO.BCM,
cols=16,
rows=2,
dotsize=8,
auto_linebreaks=True,
pin_backlight=None,
backlight_enabled=True,
backlight_mode=BacklightMode.active_low)
# pin_rw=... (not using this pin)
for j in range(6):
bar = []
mask = 0
for i in range(j):
mask = mask | (1 << (4 - i))
for i in range(8):
value = ((1 << (i - 2)) - 1 if i > 2 else 0) & mask
bar = bar + [value]
self.lcd.create_char(j, bar)
# Dials
self.f_dial = rotary_encoder(12, 16, 5, self.f_up, self.f_down,
self.f_press)
self.v_dial = rotary_encoder(8, 7, 1, self.v_up, self.v_down,
self.v_press)
# Keypad
pad = keypad([0, 11, 9, 10], [22, 27, 17], self.key_press)
# SDR
self.sdr = rtl_sdr()
# Set default mode, frequency, volume etc
self.set_frequency(self.Modes[self.Mode]['frequency'])
self.set_volume(self.Volume)
self.set_data_entry('')
self.set_mode(0)
def show_frequency(self):
self.lcd.cursor_pos = (0, 0)
self.lcd.write_string(" " * 11)
self.lcd.cursor_pos = (0, 0)
self.lcd.write_string("%8.4fMHz" % self.Modes[self.Mode]['frequency'])
def set_frequency(self, new_frequency):
self.Modes[self.Mode]['frequency'] = new_frequency
self.sdr.set_frequency(self.Modes[self.Mode]['frequency'])
self.show_frequency()
def set_frequency_for_mode(self):
if self.Modes[self.Mode]['label'] == 'APRS':
frequency = self.APRSModes[self.APRSMode]['frequency']
else:
frequency = self.Modes[self.Mode]['frequency']
self.set_frequency(frequency)
def set_volume(self, new_volume):
self.Volume = min(max(0, new_volume), 100)
os.system("amixer cset numid=1 -- " + str(self.Volume) +
"% > /dev/null")
# self.lcd.cursor_pos = (1, 0)
# self.lcd.write_string("Vol " + str(self.Volume) + " ")
def show_mode(self):
ModeString = self.Modes[self.Mode]['label'].rjust(4)
self.lcd.cursor_pos = (0, 12)
self.lcd.write_string(ModeString)
def set_mode(self, mode):
if mode < 0:
self.Mode = len(self.Modes) - 1
elif mode >= len(self.Modes):
self.Mode = 0
else:
self.Mode = mode
self.show_mode()
self.set_frequency_for_mode()
def set_data_entry(self, line):
self.DataEntry = line
self.lcd.cursor_pos = (1, 0)
self.lcd.write_string(" " * 16)
if line == '':
self.lcd.cursor_mode = CursorMode.hide
else:
self.lcd.cursor_pos = (1, 0)
self.lcd.cursor_mode = CursorMode.blink
self.lcd.write_string(line)
def cancel_data_entry(self):
self.set_data_entry('')
def cancel_setting(self):
self.set_data_entry('')
self.lcd.cursor_pos = (1, 0)
self.lcd.write_string(" " * 16)
def key_press(self, key):
if key == '*':
self.cancel_data_entry()
elif key == '#':
self.set_frequency(float(self.DataEntry))
self.set_data_entry('')
else:
if len(self.DataEntry) == 2:
self.set_data_entry(self.DataEntry + key + '.')
else:
self.set_data_entry(self.DataEntry + key)
def f_down(self):
self.set_frequency(self.Modes[self.Mode]['frequency'] - (
self.LargeStep if self.LargeSteps else self.SmallStep))
def f_up(self):
self.set_frequency(self.Modes[self.Mode]['frequency'] + (
self.LargeStep if self.LargeSteps else self.SmallStep))
def f_press(self):
self.LargeSteps = not self.LargeSteps
def v_down(self):
if self.ModePressed:
self.set_mode(self.Mode - 1)
else:
self.set_volume(self.Volume - 5)
def v_up(self):
if self.ModePressed:
self.set_mode(self.Mode + 1)
else:
self.set_volume(self.Volume + 5)
def v_press(self):
self.ModePressed = not self.ModePressed
self.cancel_data_entry()
if self.ModePressed:
self.lcd.cursor_pos = (1, 0)
self.lcd.write_string("*Selecting Mode*")
else:
self.cancel_setting()
self.show_frequency()
return ip_add # init gpio GPIO.setmode(GPIO.BOARD) GPIO.setwarnings(False) GPIO.setup(PIN_GPIO, GPIO.IN, pull_up_down = GPIO.PUD_UP) # init LCD lcd = CharLCD(cols=16, rows=2) # create custom chars :) and :(, block and ° happy = (0b00000, 0b01010, 0b01010, 0b00000, 0b10001, 0b10001, 0b01110, 0b00000) sad = (0b00000, 0b01010, 0b01010, 0b00000, 0b01110, 0b10001, 0b10001, 0b00000) block = (0b11111, 0b11111, 0b11111, 0b11111, 0b11111, 0b11111, 0b11111, 0b11111) degr = (0b01110, 0b01010, 0b01110, 0b00000, 0b00000, 0b00000, 0b00000, 0b00000) lcd.create_char(0, sad) lcd.create_char(1, happy) lcd.create_char(2, block) lcd.create_char(3, degr) # endless loop while True: count = 0 lcd.clear() lcd.write_string(_get_time()) lcd.cursor_pos = (1, 0) # put smiley indicator if connected to the internet if _is_connected() == True: lcd.write_string(_get_ip()) lcd.cursor_pos = (1, 15)
import RPi.GPIO as GPIO
from RPLCD import CharLCD
import time
GPIO.setmode(GPIO.BOARD)
lcd = CharLCD(cols=16,
rows=2,
pin_rs=37,
pin_e=35,
pins_data=[33, 31, 29, 23],
numbering_mode=GPIO.BOARD)
backslash = (0b00000, 0b10000, 0b01000, 0b00100, 0b00010, 0b00001, 0b00000,
0b00000)
lcd.create_char(0, backslash)
gaming_animation = [
' o_ _o /\x00 GAMING /\x00',
' o_. _o /\x00 GAMING /\x00',
' o_ . _o /\x00 GAMING /\x00',
' o_ . _o /\x00 GAMING /\x00',
' o_ . _o /\x00 GAMING /\x00',
' o_ . _o /\x00 GAMING /\x00',
' o_ _* /\x00 GAMING /\x00',
' o_ _\\ /\x00 GAMING /\x00',
'\x00o/ /\x00 YEAH >->o',
'\x00o/ /\x00 YEAH! >->o',
'\x00o/ /\x00 !YEAH! >->o'
]
class LCD_SYS_1:
def __init__(self):
if gv.SYSTEM_MODE == 1 and (gv.USE_HD44780_16x2_LCD or gv.USE_HD44780_20x4_LCD):
# Timing constants
self.E_PULSE = 0.0005
self.E_DELAY = 0.0005
self.display_called = False
self.temp_display = False
if gv.IS_DEBIAN:
self.thread_sleep = 0.05
else:
self.thread_sleep = 0.1
self.timeout_init = 2 # default timeout reset time
self.timeout_length = self.timeout_init # initial timeout length (timeout_custom will override)
self.STRING_1 = ''
self.STRING_2 = ''
self.STRING_3 = ''
self.STRING_4 = ''
self.STRING_1_PRIORITY = ''
self.STRING_2_PRIORITY = ''
self.STRING_3_PRIORITY = ''
self.STRING_4_PRIORITY = ''
self.loop_alive = True
if gv.IS_DEBIAN:
import RPi.GPIO as GPIO
from RPLCD import CharLCD
self.lcd = CharLCD(pin_rs=gv.GPIO_LCD_RS, pin_rw=None, pin_e=gv.GPIO_LCD_E,
pins_data=[gv.GPIO_LCD_D4, gv.GPIO_LCD_D5, gv.GPIO_LCD_D6, gv.GPIO_LCD_D7],
numbering_mode=GPIO.BCM, cols=gv.LCD_COLS, rows=gv.LCD_ROWS, charmap='A00')
self.lcd.clear()
# Hide the cursor
self.lcd._set_cursor_mode("hide")
# Fill the display with blank spaces
for i in range(1, gv.LCD_ROWS+1):
self.lcd_string(' ', i)
# Write custom codes to the LCD
self.lcd.create_char(1, lcdcc.block)
self.lcd.create_char(2, lcdcc.pause)
self.lcd.create_char(3, lcdcc.voice_button_on)
self.lcd.create_char(4, lcdcc.voice_button_off)
self.lcd.create_char(5, lcdcc.block2)
self.lcd.create_char(6, lcdcc.loading_hour_glass)
self.LCDThread = threading.Thread(target=self.lcd_main)
self.LCDThread.daemon = True
self.LCDThread.start()
def reset_after_timeout(self):
self.display_called = False
self.temp_display = False
self.timeout_start = time.time()
def lcd_main(self):
if gv.USE_HD44780_20x4_LCD and gv.IS_DEBIAN:
self.lcd.clear()
# if gv.USE_HD44780_16x2_LCD:
# self.lcd_string("WELCOME TO".center(gv.LCD_COLS, ' '), 1)
# self.lcd_string("SAMPLERBOX".center(gv.LCD_COLS, ' '), 2)
# elif gv.USE_HD44780_20x4_LCD:
# self.lcd_string(unichr(1) * gv.LCD_COLS, 1)
# self.lcd_string("WELCOME TO".center(gv.LCD_COLS, ' '), 2)
# self.lcd_string("SAMPLERBOX".center(gv.LCD_COLS, ' '), 3)
# self.lcd_string(unichr(1) * gv.LCD_COLS, 4)
# time.sleep(0.6)
self.timeout_start = time.time()
print_message = ''
while self.loop_alive:
if self.display_called:
now = time.time()
if (now - self.timeout_start) > self.timeout_length:
self.reset_after_timeout()
if (self.temp_display or gv.displayer.menu_mode == gv.displayer.DISP_UTILS_MODE):
self.lcd_string(self.STRING_1, 1)
self.lcd_string(self.STRING_2, 2)
print_message = "\r%s||%s" % (self.STRING_1[:gv.LCD_COLS], self.STRING_2[:gv.LCD_COLS])
if gv.USE_HD44780_20x4_LCD:
self.lcd_string(self.STRING_3, 3)
self.lcd_string(self.STRING_4, 4)
print_message = "\r%s||%s||%s" % (print_message, self.STRING_3[:gv.LCD_COLS], self.STRING_4[:gv.LCD_COLS])
elif gv.displayer.menu_mode == gv.displayer.DISP_PRESET_MODE:
self.lcd_string(self.STRING_1_PRIORITY, 1)
self.lcd_string(self.STRING_2_PRIORITY, 2)
print_message = "\r%s||%s" % (self.STRING_1_PRIORITY[:gv.LCD_COLS], self.STRING_2_PRIORITY[:gv.LCD_COLS])
if gv.USE_HD44780_20x4_LCD:
self.lcd_string(self.STRING_3_PRIORITY, 3)
self.lcd_string(self.STRING_4_PRIORITY, 4)
print_message = "\r%s||%s||%s" % (print_message, self.STRING_3_PRIORITY[:gv.LCD_COLS], self.STRING_4_PRIORITY[:gv.LCD_COLS])
elif gv.displayer.menu_mode == gv.displayer.DISP_MENU_MODE:
self.lcd_string(self.STRING_1_PRIORITY, 1)
self.lcd_string(self.STRING_2_PRIORITY, 2)
print_message = "\r%s||%s" % (self.STRING_1_PRIORITY[:gv.LCD_COLS], self.STRING_2_PRIORITY[:gv.LCD_COLS])
if gv.USE_HD44780_20x4_LCD:
self.lcd_string(self.STRING_3_PRIORITY, 3)
self.lcd_string(self.STRING_4_PRIORITY, 4)
print_message = "\r%s||%s||%s" % (print_message, self.STRING_3_PRIORITY[:gv.LCD_COLS], self.STRING_4_PRIORITY[:gv.LCD_COLS])
if gv.PRINT_LCD_MESSAGES:
sys.stdout.write(print_message)
sys.stdout.flush()
gui_message = print_message.replace('\r', '')
gui_message = gui_message.replace('||', '\r')
if gv.USE_GUI and not gv.IS_DEBIAN: gv.gui.output['text'] = gui_message
time.sleep(self.thread_sleep)
def lcd_string(self, message, line):
message = message[:gv.LCD_COLS]
message = message.ljust(gv.LCD_COLS, " ")
if (gv.USE_HD44780_16x2_LCD or gv.USE_HD44780_20x4_LCD) and gv.IS_DEBIAN:
self.lcd.write_string(message[:gv.LCD_COLS])
def display(self, message, line=1, is_priority=False, timeout_custom=None):
message += ' ' * gv.LCD_COLS
# Send string to display
if line == 1:
self.STRING_1 = message
if is_priority:
self.STRING_1_PRIORITY = message
else:
self.temp_display = True
if line == 2:
self.STRING_2 = message
if is_priority:
self.STRING_2_PRIORITY = message
else:
self.temp_display = True
if line == 3:
self.STRING_3 = message
if is_priority:
self.STRING_3_PRIORITY = message
else:
self.temp_display = True
if line == 4:
self.STRING_4 = message
if is_priority:
self.STRING_4_PRIORITY = message
else:
self.temp_display = True
if timeout_custom != None:
self.timeout_length = timeout_custom
else:
self.timeout_length = self.timeout_init
self.timeout_start = time.time()
self.display_called = True
def stop(self):
self.lcd.close()
self.loop_alive = False
import RPi.GPIO as GPIO
from RPLCD import CharLCD, cleared, cursor
from time import sleep
# Auspex LCD for Warhammer 40,000 Victory Point and Turn Tracking
# wired as here: https://github.com/dbrgn/RPLCD
# Initialize display. All values have default values and are therefore optional.
lcd = CharLCD(pin_rs=15, pin_rw=18, pin_e=16, pins_data=[21, 22, 23, 24],
numbering_mode=GPIO.BOARD, cols=20, rows=4, dotsize=8)
# create the aquila characters
aquila0 = (0b01111,0b00011,0b00001,0b00000,0b00000,0b00000,0b00000,0b00000)
lcd.create_char(0,aquila0)
aquila1 = (0b11101,0b11000,0b11111,0b11111,0b01101,0b00001,0b00011,0b00010)
lcd.create_char(1,aquila1)
aquila2 = (0b01011,0b10001,0b11111,0b11111,0b11011,0b11000,0b11100,0b10100)
lcd.create_char(2,aquila2)
aquila3 = (0b11111,0b11100,0b11000,0b10000,0b00000,0b00000,0b00000,0b00000)
lcd.create_char(3,aquila3)
# prep the LCD
lcd.clear()
lcd.home()
with cursor(lcd, 0, 2):
lcd.write_string('AUSPEX 410014.M2')
# test github editor for spaces
# OK it worked
0b00000, 0b00000 ) a5 = ( 0b11111, 0b11111, 0b11111, 0b11111, 0b00000, 0b00000, 0b00000, 0b00000 ) lcd.create_char(0, a0) lcd.create_char(1, a1) lcd.create_char(2, a2) lcd.create_char(3, a3) lcd.create_char(4, a4) lcd.create_char(5, a5) d0 = ( (0, 2, 1), (0b11111111,0b11111110,0b11111111), (0b11111111,0b11111110,0b11111111), (3,5,4) ); d1 = (
from RPLCD import CharLCD, cleared, cursor
lcd = CharLCD(cols=16, rows=2, pin_rs=37, pin_e=35, pins_data=[33, 31, 29, 23])
smiley = (
0b00000,
0b00000,
0b01010,
0b00000,
0b10001,
0b01010,
0b00100,
0b00000,
)
lcd.create_char(0, smiley)
lcd.write_string(unichr(0))
0b00100,
0b10101,
0b01110,
0b01110,
0b00100)
dg = ( 0b01100,
0b10010,
0b10010,
0b01100,
0b00000,
0b00000,
0b00000,
0b00000)
lcd.create_char(0, up)
lcd.create_char(1, dn)
lcd.create_char(2, dg)
def main():
lcd.write_string("WELCOME BACK !!! ")
time.sleep(3)
while (True):
# main: read tempeatures, save to file, save contents of file to SQL
try:
lcd.clear()
lcd.write_string("fetching data...")
dbs = GetDataBySensor()
lcd.clear()
lcd.write_string('This will wrap around both lines')
input('Text should nicely wrap around lines. ')
lcd.clear()
lcd.cursor_mode = CursorMode.hide
lcd.write_string('Paris: 21{deg}C\n\rZ{uuml}rich: 18{deg}C'.format(deg=unichr(176), uuml=unichr(129)))
print('Text should now show "Paris: 21°C, Zürich: 18°C" without any encoding issues.', end='')
input()
# Test custom chars
lcd.clear()
happy = (0b00000, 0b01010, 0b01010, 0b00000, 0b10001, 0b10001, 0b01110, 0b00000)
sad = (0b00000, 0b01010, 0b01010, 0b00000, 0b01110, 0b10001, 0b10001, 0b00000)
lcd.create_char(0, sad)
lcd.write_string(unichr(0))
lcd.create_char(1, happy)
lcd.write_string(unichr(1))
input('You should now see a sad and a happy face next to each other. ')
lcd.create_char(0, happy)
lcd.home()
lcd.write_string(unichr(0))
input('Now both faces should be happy. ')
lcd.clear()
lcd.write_string('1234567890123456\r\n2nd line')
input('The first line should be filled with numbers, the second line should show "2nd line"')
lcd.clear()
lcd.write_string('999456\n\r\n123')
0b00100,
0b00000,
)
same = (
0b00000,
0b11111,
0b11111,
0b00000,
0b00000,
0b11111,
0b11111,
0b00000,
)
lcd.create_char(0, up1)
lcd.create_char(1, down)
lcd.create_char(2, same)
def main():
# Main program block
GPIO.setwarnings(False)
lcd.write_string(unichr(0))
lcd.write_string(unichr(1))
lcd.write_string(unichr(2))
time.sleep(25)
if __name__ == '__main__':
try:
main()
