def _init_lcd(self):
print("init lcd:")
if self.ablib_available:
print("ablib available.")
try:
if ablib.existI2Cdevice(0, self.config['lcd_address']):
i2c_address = self.config['lcd_address']
else:
i2c_address = 0x3F
print(" i2c_address:{}".format(i2c_address))
self.lcd = ablib.Daisy24(0, i2c_address)
print(" lcd:{}".format(self.lcd))
except Exception as e:
raise
print(""" Check to run your script with SUDO.""")
ablib_available = False
else:
print("ablib missing!!!!!!!")
import ablib
import time
while True:
time.sleep(0.2)
lcd_addr = -1
if ablib.existI2Cdevice(0, 0x27):
print "PCF8474T"
lcd_addr = 0x27
if ablib.existI2Cdevice(0, 0x3F):
print "PCF8474AT"
lcd_addr = 0x3F
if lcd_addr == -1:
continue
try:
lcd = ablib.Daisy24(0, lcd_addr)
if lcd_addr == 0x27:
lcd.putstring("Daisy-24 (T)")
if lcd_addr == 0x3F:
lcd.putstring("Daisy-24 (AT)")
if lcd.pressed(0):
lcd.setcurpos(0, 1)
lcd.putstring("Key 0 pressed")
lcd.backlighton()
time.sleep(1)
import ablib
import time
#Check for Daisy-24 address
if ablib.existI2Cdevice(0,0x27):
i2c_address=0x27
else:
i2c_address=0x3F
lcd = ablib.Daisy24(0,i2c_address)
lcd.backlighton()
lcd.putstring("Hello World !")
def __get_display_device_addrs(self): if ablib.existI2Cdevice(0,0x27): return 0x27 else: return 0x3F