Now The I2C of electricity meter is not working.In addition to the hardware problem，I'm not sure if the IC BQ28Z610 has burned the firmware.
From the official website，this chip needs burning firmware. Now the following problems are as follow：
1、 The burning Is done by TI company or by our factory?
2、 Is firmware used frome the official website or needed secondary development?
3、 If we need to burn firmware in our factory, the burning tools and methods need to be provided to us, and what test points need to be left on the motherboard for burning?
4、 If firmware needs secondary development, who will develop it? How long is the development cycle?