STM32 MCUs Embedded software

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USB MSC Device to SD card with 1024 block size SD

Posted on March 21, 2017 at 09:56Hi.I'm working with a test application that is a USB MSC device, the device is the SD card. The code is created by Cube. It works fine with SD cards wit 512 block size. Now I have a 1024 block size SD and it doesn't ...

Resolved! Stm32F103C8X HAL_CAN_Transmit(&hcan,10) not working, always return HAL_TIMEOUT and HAL_ERROR

Posted on March 02, 2017 at 11:56I am programing STm32F103 for Transmitting CAN data. Initialization of can  is done by following function with 250kb bit ratestatic void MX_CAN_Init(void){      /*♯♯-1- Configure the CAN peripheral ♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯♯...

USB 2.0 D+ PullUp requiered?

Posted on March 18, 2017 at 17:13Hi Guys,I want to implement the STM32F303VET6 for possible DFU or CDC / HID . I am a little bit mixed up with the schematics of the USB ST-LINK for USB interfacing. Is the 1,5k PullUp on D+ mandatory? And if it is, d...

SDIO demo code doesn't work with uSD ver. 1?

Posted on March 14, 2017 at 19:51I have an STM32L476G-EVAL board and the STM32L4 firmware package. I took their application demo for FatFs which uses the SDIO interface and formats the uSD card, then writes a text file to it, then reads it, then sit...

Fixing J-Link ''No emulators connected via USB'': How to have J-Link work for both Segger Utilities and VisualGDB (although probably not concurrently)

Posted on March 19, 2017 at 19:42I recently discovered that after using VisualGDB to connect to my STM32 - that none of the Segger utilities worked any more.  Just a message: ''No emulators connected via USB'' (despite other software seeing the J-Li...

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DFU & HSI

Posted on March 31, 2016 at 11:32Hi, Does the DFU mode in the bootloader require an HSE crystal? Can it work with the HSI oscillator? I'm using USB FS and CDC mode is working flawlessly, the same should be applied for the DFU mode. Best regards, ...

gkovelman by Associate II
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Custom BootLoader jump to FreeRTOS application

Posted on May 19, 2014 at 10:23Hi all,I've develop a specific bootloader which calling my application.My application is based on FreeRTOS.When the application starts after the jump, the firmware crashes in hardfault.It works fine when I don't use th...

pfifre by Associate II
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bug in HAL_USB

Posted on March 16, 2017 at 12:27I am using STM32Cube_FW_F4_V1.14.0 for USB as a device to store data. USB works fine in the start. I receives data from UART2 and save it on usb continuously. after some time complete system get hung and then become ...

daynial by Associate II
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