STM32 MCUs Embedded software

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M95M04-DR - Always reading 0

I'm trying to interface M95M04-DR with XMC4700. When I read RDSR, I receive all 0s.When I write to an address, again I get all 0s on that address. I'm attaching SPI configuration and code snippet please look help me to solve this issue.I've connected...

GSaw by Associate II
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Resolved! Can't change FreeRTOS Queue item size

Stm32CubeIDE 1.14.0, STM32CubeMX 6.10.0, STM32CubeFW_U5 V1.4.0, X-CUBE-FREERTOS.1.1.0   This started with the Stm32CubeIDE 1.14.0 release and worked fine in 1.13.x.  It happens for new projects and migrated projects.  I'm using it with an STM32U5. Go...

boxtor by Associate II
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  • 4 replies
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Multi-device communication of CAN

Is anyone familiar with CAN Communications? Hundreds of devices can communicate in the car, but I have seven or eight motherboards here, and there are always some boards that can't send data, why is this? Is there a big guy who understands?

Resolved! Couldn't make ULPI work with STM32F446.

Dear Experts,I am using a USB3300 chip as an external HS 480Mbit/s USB PHY  with STM32F446 MCU. Using CubeMX to generate code and add USB CDC Middleware. As I connect the USB Cable from the PC to the USB3300 chip no COM port is detected. Didn't find ...

YashJ by Associate III
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  • 8 replies
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Need Latest version for ST Link Nucleo

Kindly provide me the latest Firmware version for the above-mentioned Product along with the necessary instruction to upload it using STM32 ST Link Utility.We are currently getting old firmware issues screenshot attachedPlease assist us regarding thi...

bh0pu by Associate II
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  • 7 replies
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J2534

Anyone have J2534 support library for STM32f4 devices...?J2534 is an interface standard designed by SAE (Society of Automotive Engineers) and mandated by the US EPA (Environmental Protection Agency) for vehicle ECU reprogramming.

Vdoij.1 by Associate II
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  • 2 replies
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USB_HOST stack issue in Free RTOS

I'm using two STM32F407VGTX EVK boards to configure as host and device in BareMetal, which is working fine.I have configured (Host and Device) the same in FreeRTOS, but it is hitting hardfault error from "static void USBH_Process_OS(void *argument)" ...

usha_0-1713770415564.png usha_1-1713770442784.png usha_2-1713770472480.png usha_3-1713770498646.png
usha by Associate
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malloc() causes hard fault with newlib-nano

If I understand malloc() correctly, then it should either return NULL (if out of memory) or a valid pointer.However, certain sequences of calls to malloc() cause a hard fault instead. Here is a minimalistic sample project for an STM32L431 with 64kB R...

GMock.1 by Associate II
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