H755 / ADC3 / DMA
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‎2023-06-19 03:24 AM
Hello,
I'm desperate. Just want to concvert some data with the ADC3 with DMA on a H755.
No chance! DMA doesn't work, and even a cyclic sample only produces the right values for the first turn. After that, only max. resolution is returned. 12 bit => 0x800 as the result.
Can anybody help ?
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STM32H7 Series
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‎2023-06-19 04:12 AM
most times same problem: no cache management.
try: switch off D-cache (= not enable d-cache )
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‎2023-06-19 05:12 AM
I checked it => CCache and DCache OFF !
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‎2023-06-19 05:12 AM
ICache... not CCache
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‎2023-06-26 07:03 AM
More or less solved.
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‎2023-06-26 08:10 AM
and..it was ..?
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‎2023-06-26 08:37 AM
Ich weiß es wirklich nicht. Ich habe alles gelöscht, STM-Cube deinstalliert, neu installiert und alle HAL_ Treiber neu aus dem Netz geladen, noch einmal alles eingestellt. Und irgendwie funktioniert es jetzt so, wie es soll.
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‎2023-06-26 09:07 AM - edited ‎2023-06-26 09:21 AM
ok, also eclipse/CubeIDE/STM standard Verfahren . :)
aach, is on Win ? then Windows standard.