"第二个文件: general_io.py
#!/usr/bin/python
#coding=utf-8
# Author: 边城量子(QQ:1502692755)
# suport write and read for GPIO and I2C IO using the unify class and functions
# th ..."
"第一个文件: i2c_io.py
#!/usr/bin/python
#coding=utf-8
# Author: 边城量子(QQ:1502692755)
# write and read the pin of PCF8574 which connect to raspberry pi over the i2c bus.
# o ..."
"接下来是 general_io.py
#!/usr/bin/python
#coding=utf-8
# Author: 边城量子(QQ:1502692755)
# suport write and read for GPIO and I2C IO
# the GPIO port like 12, 26, or "12", ..."