How could i send float by usart or rs485 which send data by byte

OpenMV Products
1

how could i send float by usart or rs485 which send data by byte?
usart or rs485 send the data to master one byte a time?
how about the float data ,such as 1.23
should i set a structure? is there some example for structure data for modbus communication? that example in ide menu is very simple and the intrucduction of register of modbus is poor.

2

Modbus is just an example of what you can do with the camera. It’s a user contributed library. It’s assumed you have pretty good knowledge of what you are doing.

If you want to send a float you’d use the python struct module which allows you to pack and unpack values into byte arrays: struct — Interpret bytes as packed binary data — Python 3.11.4 documentation

3

roger that ，thank u
the more example of modbus is helpful indeed。
hope openmv5 have more

4

Hi, it’s not like something I even have equipment for. That was a user added example.