STM32 MCUs Embedded software

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Stm32f103c8t6 USB Audio problem

Posted on March 21, 2017 at 03:39HelloI try to create an USB Audio speaker with Stm32f103c8t6. I generate project in CubeMX 4.20 for Keil v5 and i set 44100 for sound sample rate. Project compiled fine. USB device normal detected in Windows 8. Mute ...

Vitaly S by Associate II
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Timer output compare

Posted on March 21, 2017 at 14:08Hi all. I'm working on a STM32L151, with EWARM toolchain. I'm using TIM4, with HAL libraries. TIM4 has 4 channels. I set- CH1, input compare;- CH2, CH3, CH4 output compare (no output);I want to use input compare even...

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...

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, ...