def refresh(do_clear):
# refresh the display
if (do_clear):
lcd.clear()
lcd.home()
global req_clear
req_clear = False
# version on row 0
with cursor(lcd, row_version,row_version_indent):
lcd.write_string(row_version_txt)
if (row_msg_txt == ""):
# no message, just display the Aquila on row 1
with cursor(lcd, row_msg, 8):
lcd.write_string(unichr(0))
lcd.write_string(unichr(1))
lcd.write_string(unichr(2))
lcd.write_string(unichr(3))
else:
# we have a message, display that instead
with cursor(lcd, row_msg, calc_indent(row_msg_txt)):
lcd.write_string(row_msg_txt)
# MET on row 2
with cursor(lcd,row_met,row_met_indent):
lcd.write_string('MET ' + format_met())
# score on row 3
with cursor(lcd,row_score,row_score_indent):
lcd.write_string(format_score())
# ensure cursor is in the right position
position_cursor()
input('The string should have a left offset of 5 characters. ')
lcd.write_shift_mode = ShiftMode.display
lcd.cursor_pos = (1, 5)
lcd.write_string('12345')
input('Both strings should now be at column 0. ')
lcd.write_shift_mode = ShiftMode.cursor
lcd.cursor_pos = (1, 5)
lcd.write_string(lcd.write_shift_mode.name)
input('The string "cursor" should now be on the second row, column 0. ')
lcd.home()
input('Cursor should now be at initial position. Everything should be shifted to the right by 5 characters. ')
with cursor(lcd, 1, 15):
lcd.write_string('X')
input('The last character on the LCD should now be an "X"')
lcd.display_enabled = False
input('Display should now be blank. ')
with cleared(lcd):
lcd.write_string('Eggs, Ham\n\rand Spam')
lcd.display_enabled = True
input('Display should now show "Eggs, Ham and Spam" with a line break after "Ham". ')
lcd.shift_display(4)
input('Text should now be shifted to the right by 4 characters. ')
lcd.shift_display(-4)
input('Shift should now be undone. ')
lcd.write_shift_mode = ShiftMode.display
lcd.cursor_pos = (1, 5)
lcd.write_string('12345')
input('Both strings should now be at column 0. ')
lcd.write_shift_mode = ShiftMode.cursor
lcd.cursor_pos = (1, 5)
lcd.write_string(lcd.write_shift_mode.name)
input('The string "cursor" should now be on the second row, column 0. ')
lcd.home()
input(
'Cursor should now be at initial position. Everything should be shifted to the right by 5 characters. '
)
with cursor(lcd, 1, 15):
lcd.write_string('X')
input('The last character on the LCD should now be an "X"')
lcd.display_enabled = False
input('Display should now be blank. ')
with cleared(lcd):
lcd.write_string('Eggs, Ham\n\rand Spam')
lcd.display_enabled = True
input(
'Display should now show "Eggs, Ham and Spam" with a line break after "Ham". '
)
lcd.shift_display(4)
input('Text should now be shifted to the right by 4 characters. ')
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)
input('The string should have a left offset of 5 characters. ')
lcd.write_shift_mode = ShiftMode.display
lcd.cursor_pos = (1, 5)
lcd.write_string('12345')
input('Both strings should now be at column 0. ')
lcd.write_shift_mode = ShiftMode.cursor
lcd.cursor_pos = (2, 5)
lcd.write_string(lcd.write_shift_mode.name)
input('The string "cursor" should now be on the third row, column 0. ')
lcd.home()
input('Cursor should now be at initial position. Everything should be shifted to the right by 5 characters. ')
with cursor(lcd, 3, 19):
lcd.write_string('X')
input('The last character on the LCD should now be an "X"')
lcd.display_enabled = False
input('Display should now be blank. ')
with cleared(lcd):
lcd.write_string('Eggs, Ham, Bacon\n\rand Spam')
lcd.display_enabled = True
input('Display should now show "Eggs, Ham, Bacon and Spam". ')
lcd.shift_display(4)
input('Text should now be shifted to the right by 4 characters. ')
lcd.shift_display(-4)
input('Shift should now be undone. ')
def _update_display(self):
with cleared(self.lcd):
self.lcd.write_string(self.line1)
with cursor(self.lcd, 1, 0):
self.lcd.write_string(self.line2)
input('The string should have a left offset of 5 characters. ')
lcd.write_shift_mode = ShiftMode.display
lcd.cursor_pos = (1, 5)
lcd.write_string('12345')
input('Both strings should now be at column 0. ')
lcd.write_shift_mode = ShiftMode.cursor
lcd.cursor_pos = (2, 5)
lcd.write_string(lcd.write_shift_mode.name)
input('The string "cursor" should now be on the third row, column 0. ')
lcd.home()
input('Cursor should now be at initial position. Everything should be shifted to the right by 5 characters. ')
with cursor(lcd, 3, 19):
lcd.write_string('X')
input('The last character on the LCD should now be an "X"')
lcd.display_enabled = False
input('Display should now be blank. ')
with cleared(lcd):
lcd.write_string('Eggs, Ham, Bacon\n\rand Spam')
lcd.display_enabled = True
input('Display should now show "Eggs, Ham, Bacon and Spam". ')
lcd.shift_display(4)
input('Text should now be shifted to the right by 4 characters. ')
lcd.shift_display(-4)
input('Shift should now be undone. ')
# 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
# draw the aquila centred on line 2
with cursor(lcd, 1,8):
lcd.write_string(unichr(0))
lcd.write_string(unichr(1))
lcd.write_string(unichr(2))
lcd.write_string(unichr(3))
with cursor(lcd,2,4):
lcd.write_string('MET: 1:22:45')
with cursor(lcd,3,2):
