MFX_V3 documentation

[tkorsdal]

We use a an STM32L4R9-DISCO board to start SW development on a project.

We run own OS on the board and integrating the HAL/BSP modules for the board (e.g. STM32CubeL4\Drivers\BSP\STM32L4R9I-Discovery\stm32l4r9i_discovery_io) is not feasible for us.

I have basic I2C running (ack from the MFX) but no reaction to any commands, using the registers defined in mfxstm32l152.h

I therefore need basic documentation of the MFX_V3 I2C communication for setting up port directions, getting and setting ports.

rgds Tage

[tkorsdal]

Okay setting MFXSTM32L152_GPIO_EN in MFXSTM32L152_REG_ADR_SYS_CTRL helped.

I would still like to be pointed to some documentation on the MFX_V3.

[Billy OWEN]

Hi @tkorsdal 

The forum moderator had marked your post as needing a little more investigation and direct support. An online support case has been created on your behalf, please stand by for just a moment and you will hear from us.

Regards,

Billy

[minseokj]

Hello,

I am in the exact same situation as the original poster.

I am currently working with the STM32H757I-EVAL board and I need to interface with the onboard MFX (STM32L152, MFX_V3) for IO expansion and power monitoring.

I have been searching for the official documentation and the latest source code/drivers specifically for MFX_V3, but I haven't been able to find a comprehensive guide. Could you please provide the datasheet (or register map) and the official driver source code?

Any help would be greatly appreciated.

Best regards,