STM32 MCUs Products

Ask questions, find answers, and share insights on STM32 products and their technical features.

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

SPI Bus Fault due to xPortSysTickHandler FreeRTOS

Posted on July 10, 2015 at 13:10When the xPortSysTickHandler is called at the moment the SPI HW block is executing a SPI communication the i get a Bus fault resulting in a Hardfault Is this a known issue? I can solve the issue by first executing the...

ronny by Associate
  • 320 Views
  • 0 replies
  • 0 kudos

L3GD20 gyroscope value drift on STM32F3-Discovery

Posted on July 10, 2015 at 13:08Using a D/A the converter I am now able to monitor the gyroscope rotational accelration around the x axis as a voltage. I run the gyroscope at 190 Hz rate and read the oscilloscope in a thread every time the the DRDY ...

STM32F405 PLL: 168MHz to 84MHz - how to do this?

Posted on July 08, 2015 at 05:07Hello: I have an STM32F405 processor, with a 8MHz HSE crystal. It's set up to operate at 168MHz. To see if I can get suitable performance at a lower speed to save power, I'd like to change this (*not* on the fly) at t...

High speed data transfer to STM32F3

Posted on July 10, 2015 at 03:36Hi All,I need to transfer a large amount of binary data to my STM32 and am trying to figure out what the best way to do this would be. The data throughput needs to be roughly 4Mbps. The device has USB so I was thinkin...

daniel2 by Associate II
  • 356 Views
  • 0 replies
  • 0 kudos

Hard fault running timer in one pulse mode

Posted on July 06, 2015 at 20:17 I am working with STM32F427ZIT6 (Keil MDK-ARM 5.15) and want to implement a delay function based on Timer 6 in a single pulse mode. The delay function is: void Delay_us(uint16_t amt_us) { TIM6->CNT = 0...

STM32F030R8T6 Help me to Start

Posted on July 01, 2015 at 15:53Im a newbe to arm familyIm using coocox ide.I create my 1st project compile n and downloaded to STM32F030-Discovery board.The project compiled successfully and downloaded but nothing is happening on the board.What Iam...

sourcing by Associate II
  • 1684 Views
  • 7 replies
  • 0 kudos

Bluetooth with STM32F0

Posted on July 09, 2015 at 17:28Hello everyone, I want to etablish a communciation between a STM32F0 discovery (with a bluetooth module, probably HC-05) and a computer (equiped with a bluetooth key). But i only want that the STM32F0 can be able to s...

edouard by Associate II
  • 422 Views
  • 0 replies
  • 0 kudos

STM32F446, SPI3 MOSI (PC1) doesn't work

Posted on July 07, 2015 at 17:14 Hello everybody, I face to a weird problem and any help could be decisive :) (and I will be grateful of course) I transfer a project which implement USB, I²C and SPI from STM32F407 to STM32F446 but I am...

Using STM32L0 in simulator mode

Posted on July 07, 2015 at 13:28Hi,I want to develop code for STM32L0 device using KEIL ( MDK ARM V5.15.0). I try to debug the code in simulator mode but whenever I run the debug I get an Error message (*** error 65: access violation at 0x40021000 :...