STM32 MCUs Products

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Resolved! STM32F3Discovery USB CDC Receive loosing data

Posted on October 18, 2017 at 14:54I'm trying to make my STM32F3Dsicovery just loop back some data over USB however with code below I loosing approximate every 2nd character. If I enable the &sharpif clause the missing characters drop to approximate...

Implementing a Delay using TIMERs

Posted on December 04, 2017 at 16:24Hi! I'm working on an custom board with stm32f107VCT6, and I'm using only standard stm32 library.My problem is that I try to make a simple delay using timer and a variable, but the code stops at the instruction 'w...

Json for c Arm

Posted on September 20, 2016 at 09:42 Hello all, im going to parse json string in my project, i found jansson library for keil, there is an example for cortex-m3 that run just fine in simulator. but the problem is when run the code on stm32f1...

USB Device won't enumerate on custom F7 board

Posted on December 05, 2017 at 15:34I have a custom F7 board configured as a USB HID device (using CubeMX generated code) that won't enumerate with my PC host. However, if I pull BOOT0 high, it will enumerate as a 'STM Device in DFU Mode'. So I assu...

STM32L4 BusFault_Handler

Posted on December 05, 2017 at 09:50I'm developing an application based on STM32L4 on a custom board. Program is running fine but I noticed that sometimes (maybe once after four days working) device is reseted. In order to find the reason of this re...

Timer with low power mode

Posted on November 30, 2017 at 11:49Hello all I'm working on STM32L152RE nucleo board. I ain't able to integrate Timer  in low power mode .so is it possible to work with timer and low power mode in STM32L152RE  simultaneously?If yes, which timer is ...