Which function used for read I2C device address?

MDeva.1 · ‎2021-11-26

Hello,

I am working on NUCLEO-H745ZIQ board. I am interfacing PCAL6524 to board .I have to read the Device address of that IC. Which HAL function that I have to used? I am get confused.

MDeva.1 · ‎2021-11-26

why you shift in right side?

TDK · ‎2021-11-27

You need to shift the address because that's what HAL expects, but since you already did that, don't shift it again.

Send 0x46, or send 0x23 << 1.

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