STM32CubeMX generated code for STM32F373 SDADC buggy

[blechleitner]

Posted on July 01, 2016 at 12:13

Dear Guys,

im working on an project where I have to sample 4 sensors which are connected to two SDADC's, two on each. The system is triggered by timer 19 and makes continuous conversions into a memory buffer by means of the DMA. So far the software is working fine, but with one exception.

When I configure the system in CubeMX, the generated code  contains a call of HAL_SDADC_InjectedConfigChannel() for each single channel, one time for channel 7 and the second one then for channel 8. The problem is nw, inside the HAL function, the bit field JCHG[8:0] is written directly. So the setting from the first call is overwritten and only the second call is active and finally only one channel is converted.

If i change the <channel> parameter in the second call with the ored value for

SDADC_CHANNEL_7 and SDADC_CHANNEL_8, the system converts both channels consecutively like expected.

So either the HAL function or the CubeMX code generation has to be changed tu fix that issue.

To the ST Team:

Can you please confirm this as a bug or tell me if I'm doing someting wrong?

Until when can this bug be solved?

Thanks in advance and best regards,

Bernhard Lechleitner

#f373-sdadc

[Amel NASRI]

Posted on July 13, 2016 at 17:30

Hi lechleitner.bernhard,

Could you please share your .ioc file? I need it to investigate the problem based on your exact configuration.

-Mayla-

[Amel NASRI]

Posted on July 22, 2016 at 13:25

Hi lechleitner.bernhard,

As first analysis, I confirm that this is a bug in CubeMX side as the HAL driver allows to provide a combination of channels as parameter for the function HAL_SDADC_InjectedConfigChannel.

This is reported internally, you will be informed as soon as there more details about the planning to fix this.

-Mayla-

[Sirma Siang]

Posted on July 04, 2017 at 17:58

Hello,

I have tested it using with the coming CubeMX4.22 with the firmware version 1.8.0 and 1.9.0.

The 'or' is done correctly.

Kind regards

Sirma