STM32 MCUs Embedded software

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Resolved! How to use HAL to leave the UART DMA in idle mode?

Hi,I'm trying to develop a module where information from a buffer is read by DMA and sent through UART, but the information is put in the buffer without a constant rate and it might happen that the buffer is empty, if that happened, I understand that...

mur by Associate III
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Potential DAC and FreeRTOS conflict?

Hello,I am using STM32F417 to control a sounder among many other functions. In the firmware, the DAC is controlling the sounder which works fine when tested alone. However, the moment the FreeRTOS is enabled, the DAC stops working. What I am suspecti...

SKILA by Associate II
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Trying to do arm_fft_fast_f32 256 bin for a 8000Hz sampled data. Taking only 8000 samples i.e. 1sec and diving into segments to do 256 fft. Not working after first iteration.

So dividing the sampled data and trying ti do each segment fft just like i did in matlab but the problem is the first segment fft is working next to that fft giving strange values. But if the second set/segment is done fft first it gives the right an...

AChan.3 by Associate
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STM32G4 IAP Bootloader Not Calling Application

Hi there,I need an IAP bootloader via CAN interface with G431 MCU. Before I had developed for F446 and no problem, and it works properly, no problem, but not for G4.The bootloader code has not called the application although set the stack pointer wit...

STM32F407 ethernet library

I wanna use Ethernet with STM32F407 MCU. I found only a standrad peripheral library on st.com site. Where can I get the official support library for Ethernet?

sminder by Associate II
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CMSIS RTOS V1 : DSP and semaphore issues

Hi,I am using STM32F405, STM32Cube_FW_F4_V1.24.2, STM32CubeIDE, CMSIS RTOS V1, and CMSIS DSP library. I would like to use FFT and semaphores in my project.Does semaphore not work with CMSIS DSP? I know I can get semaphores as well as the DSP related ...

DLim.16 by Associate II
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  • 1 replies
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IAP over UART

Hello all,I know this has been probably done to death,but Just a quick link or some pointer if possible :I am using an ESP8266 to flash code to an STM32F103 over the UART.Basically I want to do what the "Flash Loader Demo" STM utlity does, by using t...

TFern by Associate III
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  • 2 replies
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