def lightdown(self): self.brightness -=16 lcd.set_brightness(self.brightness)
def lightup(self): self.brightness +=16 lcd.set_brightness(self.brightness)
lcd.centre_text(1,actions.get_text(current))
def main_loop():
global current
display_main_screen()
while 1:
key = wiringpi.digitalRead(BUTTON_OK)
fkey = wiringpi.digitalRead(BUTTON_FKEY)
if key == 1:
#photo.take_sync_photo(comm_server, lcd)
actions.run_command(current, comm_server, lcd)
display_main_screen()
if fkey == 1:
print('fkey')
current=(current+1)%actions.get_count()
display_main_screen()
time.sleep(0.2)
try:
init()
main_loop()
finally:
for i in range(256,0,-16):
lcd.set_brightness(i)
time.sleep(0.025)
lcd.cls()
lcd.backlight(OFF)
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import pcd8544.lcd as lcd
import time, os, sys
if not os.geteuid() == 0:
sys.exit('Script must be run as root')
ON, OFF = [1, 0]
try:
lcd.init()
lcd.cls()
lcd.set_brightness(500)
lcd.backlight(ON)
for i in range(32, 116):
lcd.display_char(chr(i))
time.sleep(10)
except KeyboardInterrupt:
pass
finally:
lcd.cls()
lcd.backlight(OFF)
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import pcd8544.lcd as lcd
import time, os, sys
if not os.geteuid() == 0:
sys.exit('Script must be run as root')
ON, OFF = [1, 0]
try:
lcd.init()
lcd.cls()
lcd.set_brightness(500)
lcd.backlight(ON)
for i in range(32, 116):
lcd.display_char(chr(i))
time.sleep(10)
except KeyboardInterrupt:
pass
finally:
lcd.cls()
lcd.backlight(OFF)
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import pcd8544.lcd as lcd
import time, os, sys
if not os.geteuid() == 0:
sys.exit('Script must be run as root')
ON, OFF = [1, 0]
try:
lcd.init()
lcd.cls()
if ( lcd.LED != 1 ):
sys.exit('LED pin should be GPIO1 (12)')
# Backlight PWM testing -- off -> 25% -> off
for i in range(0,1023,16):
lcd.set_brightness(i)
time.sleep(0.025)
for i in range(1023,0,-16):
lcd.set_brightness(i)
time.sleep(0.025)
except KeyboardInterrupt:
pass
finally:
lcd.cls()
lcd.backlight(OFF)
