[i=s]This post was last edited by ylyfxzsx on 2022-3-23 21:03[/i]Since my main work is in testing instruments and I have a lot of dealings with factories, I plan to use the Pingtou Ge development boar
The problem of selecting a single-chip microcomputer. I only need to control a sensor max30102. The sensor needs to process uint32_t data. It is probably inconvenient to use a 51 single-chip microcomp
As shown in the figure, this is the program for receiving the command frame. Because the length of a single write and read function code in modbus is fixed at 8 bytes, the while condition is that when