def start_print_service(self):
print "Starting lcd print service"
if (self.lcd_module == "pcf8574_1602"):
self.myLCD = pcf8574_1602(self.lcd_i2c_add,self.lcd_i2c_port)
elif (self.lcd_module == "mcp23017_1602"):
self.myLCD = mcp23017_1602(self.lcd_i2c_add,self.lcd_i2c_port)
else:
self.myLCD = None
if (self.myLCD == None):
sys.exit(0)
self.myLCD.lcd1602.backlight(1)
self.myLCD.lcd1602.clear_display()
self.myLCD.lcd1602.return_home()
self.myLCD.lcd1602.write_string(0,0,"Starting")
self.myLCD.lcd1602.write_string(1,0,"LCD Service")
while 1:
myTime = datetime.now()
myRTC = myTime.strftime('%y:%m:%d:%H:%M:%S:%w').split(":")
# print "current time is " + myTime.strftime('%y:%m:%d:%H:%M:%S')
self.myLCD.lcd1602.write_string(0,0,"Current Time")
self.myLCD.lcd1602.write_string(1,0,myTime.strftime('%m:%d %H:%M:%S'))
if (self.stop_print_service_flag == True):
break;
time.sleep(1)
def write_message(config):
print "writting message to LCD"
# config = parse_config(config)
# print config.lcd_module, format(config.lcd_i2c_add,'02X'), config.lcd_i2c_port, " > " + config.lcd_message
myDevice = None
if (config.lcd_module == "pcf8574_1602"):
myDevice = pcf8574_1602(config.lcd_i2c_add,config.lcd_i2c_port)
elif (config.lcd_module == "mcp23017_1602"):
myDevice = mcp23017_1602(config.lcd_i2c_add,config.lcd_i2c_port)
else:
myDevice = None
if (myDevice == None):
sys.exit(0)
myDevice.lcd1602.backlight(1)
myDevice.lcd1602.clear_display()
myDevice.lcd1602.return_home()
messages = config.lcd_message.split("\\n")
# print messages
line = 0
for msg in messages:
if (line <2):
myDevice.lcd1602.write_string(line,0,msg)
print msg
line = line + 1
myDevice.lcd1602.set_cursor(0,100)
def thread_1(self):
print "Starting lcd print service"
if (self.lcd_module == "pcf8574_1602"):
self.myLCD = pcf8574_1602(self.lcd_i2c_add,self.lcd_i2c_port)
elif (self.lcd_module == "mcp23017_1602"):
self.myLCD = mcp23017_1602(self.lcd_i2c_add,self.lcd_i2c_port)
else:
self.myLCD = None
if (self.myLCD == None):
sys.exit(0)
self.myLCD.lcd1602.backlight(1)
self.myLCD.lcd1602.clear_display()
self.myLCD.lcd1602.return_home()
self.myLCD.lcd1602.write_string(0,0,"Starting")
self.myLCD.lcd1602.write_string(1,0,"LCD Service")
while 1:
myTime = datetime.now()
myRTC = myTime.strftime('%y:%m:%d:%H:%M:%S:%w').split(":")
# print myTime.strftime('%m:%d %H:%M:%S')
while not self.lcd_msg_q.empty():
lcd_msg = self.lcd_msg_q.get()
lcd_msg += "\\n\\n"
lcd_msgs = lcd_msg.split("\\n")
# print "lcd display " , lcd_msg , lcd_msgs
self.myLCD.lcd1602.write_string(0,0,lcd_msgs[0]+" ")
self.myLCD.lcd1602.write_string(1,0,lcd_msgs[1]+" ")
time.sleep(5)
self.myLCD.lcd1602.write_string(0,0,"Current Time " + str(self.mqtt_msg_cnt))
self.myLCD.lcd1602.write_string(1,0,myTime.strftime('%m:%d %H:%M:%S'))
if (self.stop_flag == True):
break;
time.sleep(1)
print "Exiting thread_1"