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Found a new "low-level layer" in the CubeL4 library

Question asked by cnoviello on Mar 13, 2016
Latest reply on Mar 21, 2016 by AvaTar
I have just discovered a new "undocumented" layer in the latest CubeL4 library. If I understand it, it is a Low-Level layer (it's named HAL_<PPP>_LL) and it's a more optimized way to deal with STM32L4 peripherals, losing portability between different CubeHALs. However, I can't find a word from ST about this on the official web site, and I wonder how it's related with the actual HAL: does this module aim to provide a separated "low-level" path to the hardware, or it will replace/integrate the HAL? Is ST planning to "change" the current logic under the HAL? Will this module be introduced in other HALs too?

I think that it would be important that ST engineers give us more information on the direction, otherwise it's really hard to invest on this platform..... 

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