STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

SPI DMA Problem, please help

Posted on September 03, 2014 at 00:58I'm trying to run SPI on DMA Mode for STM32F407 (Discovery). I'm stuck with the below code, with the oscilloscope showing SPI CLK but no data. I'm wondering:1. How do you do slave select in DMA Mode?2. Is the DMA...

Why does usb_bsp.h include stm32f4_discovery.h?

Posted on September 03, 2014 at 23:30The STM32F4-Discovery_FW_V1.1.0 library has USB code that I'm using in an STM32F4 project for USB HID support.  usb_bsp.h has the board support package function definitions.  I'm implementing these for my own cus...

avoid returning from interrupt

Posted on August 30, 2014 at 23:22Hi Forum, Is there any way to avoid returning from an USART1 interrupt? The booting process of our unit takes some time so we want to jump to the main menu quickly by pressing a key on the keyboard. This works and t...

stenasc by Senior
  • 591 Views
  • 5 replies
  • 0 kudos

VREF+ not working as expected

Posted on September 03, 2014 at 19:53Greetings all -- I have a custom board built around the STM32F303VC, which has separate pins for VDDA and VREF+.  In the interests of keeping the voltage reference quiet, a 3.0V regulator is attached to VREF+, an...

aaron by Associate II
  • 475 Views
  • 1 replies
  • 0 kudos

USB multiple CDC firmware

Posted on September 02, 2014 at 21:53Hi, I'm working with the STM32F40G EVAL board, and used the STCube to generate USB CDC middleware and it works fine. I am interested in modifying the STCube generated firmware, and having the device enumerate as ...

c_uimran by Associate II
  • 779 Views
  • 3 replies
  • 0 kudos

spi sending data adress issues

Posted on September 02, 2014 at 19:14 Hi guys , i am trying to figure out how to get stm32f4 discovery board accelerometer work. After checking the lisd302dl datasheet and reference manual (that wasn't too much helpful) ,i went to forum wh...

d4ng3r09 by Associate II
  • 387 Views
  • 3 replies
  • 0 kudos

Maximum VCP speed???

Posted on September 02, 2014 at 02:50I am using STM32F2xx and connect it with FT232 chip using UART interfacehttp://www.ftdichip.com/Products/ICs/FT232R.htmand then I connect FT232 chip to my Windows PC, I wrote an application in my PC using .Net to...

ho by Associate II
  • 2117 Views
  • 6 replies
  • 0 kudos

How to deal with Integer Overflow?

Posted on September 03, 2014 at 04:43For evaluation purposes I got the STM32F0 discovery kit (STM32F030R8T6) with Cortex-M0, and I am using it with the IAR embedded workbench. From the datasheet I know it has no FPU, which is what I need. In my proj...

Qemu for STM32

Posted on August 27, 2014 at 19:33I have installed Qemu on windows. I want to know how to run it and install uClinux on it. I am planning to try some C application for STM32F103 platform. #cross-post #rtfm

shauns87 by Associate II
  • 3289 Views
  • 5 replies
  • 0 kudos