STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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Forum Posts

Hal bug using rtos

Posted on August 05, 2014 at 12:50I imported an example with  RTOS (FatFs_uSD_RTOS) and I found some bug. In function HAL_Init() is called HAL_SYSTICK_Config()  but  SysTick_Handler()  call xPortSysTickHandler() before osKernelStart() so we have an ...

Wrong register BRR in usart

Posted on July 30, 2014 at 15:16Hi, I'm trying to initialize a usart, and read some data on a Terminal. The terminal receives some data but not the good one. The problem seems to be a clock problem, and the usart register BRR looks wrong. Moreover, ...

maxime by Associate II
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STM32F407 Channel Transmit error problem

Posted on July 31, 2014 at 16:02Hi,I'm using the STM USB Library version 1.1.0, working on coocox IDE. Here my problem is in the enumeration state i'm trying to get device descriptor for the MSC class device, at the time when i'm writing the setup p...

chandu1 by Associate II
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SSD1289 STM32CubeF4

Posted on July 29, 2014 at 18:16I am a beginner with Stm32f4discovery (version stm32f407vg). It took me a long to get the graphic LCD work (copying and rewriting some code from others). My problem, I want to use it with FreeRTOS. But My FreeRTOS wor...

Wrong values in debugger

Posted on July 21, 2014 at 13:34Hi everyone,I'm using CooCox with a STM32F4. I have a big issue with the Coocox debugger:static STEP_MODE val_step_mode = FALSE;1  if ((Get_Core_Current_Track()->step_mode)  !=  val_step_mode)2  {3         val_step_mo...

Using SD card and USB Mass Storage Simulataneously

Posted on July 29, 2014 at 16:08'm currently developing an application for an ST32 (STM32F103xC) using Micrium OS-II. So far it's all gone smoothly, but I've hit a block now and can't proceed.The board is configured to act as a USB storage device us...

julian by Associate
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4 USB virtual com port cause blue screen

Posted on July 29, 2014 at 11:55hi,allI have 4 boards of stm32f103 with USB virtual com port enable using the VCP library and driver. The main purpose of the USB is to catch running log.So here is the situation:I plug in 3 boards to PC, and all of t...

non-HAL code for STM32F427

Posted on July 28, 2014 at 12:28Hi All, Does anyone have non-HAL firmware code dump for STM32F427 or STM32F4xx series controller for doing low level verification. Please share the zip file or link if anyone have it. Thanks in advance. #dfu #stm32...