def __init__(self, addr, port):
self.addr = addr
self.port = port
self.pcf8574 = pcf8574(self.addr, port)
self.pcf8574.write_port(0x00)
self.lcd1602 = lcd1602("PCF8574", 0)
self.lcd1602.on_update_io = self.on_update_1602IO
self.lcd1602.init_4bitmode()
def __init__(self, addr, port):
self.addr = addr
self.port = port
self.mc23017 = mcp23017(self.addr,port)
self.init_mcp23017()
self.lcd1602 = lcd1602("LCD1602",0);
self.lcd1602.on_update_io = self.on_update_1602IO
self.lcd1602.init_4bitmode();
