Hi, I've progressed and the Codec 2 on STM32F4 already works somehow. Now I wanted to use mode 700 b/sec, but found this *#ifndef*: I can see CORTEX_M4 can not be defined - I am not able to run MODE_700 on STM32? Or what should I do? thank you. Jan. [image: image.png]
po 20. 11. 2023 v 21:27 odesÃlatel david <da...@rowetel.com> napsal: > Hi Jan, > > We run Codec 2 half duplex (along with a bunch of other modem and FEC > code) on a 180 MHz stm32 and it works just fine in real time. So your > expectations are quite realistic. > > The build system we use for the stm32 is in > codec2/stm32/CMakeLists.txt, including C compiler flags (looks like we > use -O3). We also use -O2 and -O3 on the build system for larger > machines and don't have any problems. > > So it's probably some sort of configuration issue on your build system. > A good approach is to start with something that works (e.g. our stm32 > build system), then maybe move to the IDE. > > - David > > On Mon, 2023-11-20 at 14:21 +0100, Jan Ropek wrote: > > Hello, > > > > my goal was to get Codec2 (encoding and decoding) working on > > STM32F446 running on 180MHz. So, I created a new project for Nucleo > > with F446RE and added Codec2 libraries to it. I compile with GCC > > (using STM32CubeIDE - based on Eclipse). > > > > I have GCC optimization turned off and encoding and decoding works, > > but the problem is that encoding one 40ms frame (320 B) takes about > > 47 ms, so I am not able to use Codec2 in real-time. So, I am asking > > whether my requirements are unrealistic, or have I implemented Codec2 > > incorrectly? > > > > - I tried comparing CMSIS FFT and KISS FFT, it takes roughly the same > > time. > > > > - When I turned on GCC optimization to O1 - encoding sped up to about > > 15 ms, but during decoding, a HardFault always occurred. > > > > Can you please suggest what I might be doing wrong? Many thanks! > > > > Best regards, Jan. > > > > _______________________________________________ > > Freetel-codec2 mailing list > > Freetel-codec2@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 > > > > _______________________________________________ > Freetel-codec2 mailing list > Freetel-codec2@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/freetel-codec2 >
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