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

timer 2 and its channel

Posted on August 20, 2013 at 16:57Hello,I am working for 6 months with the Timer 2 of a STM32L15x.I use the channel 2 to capture the timer value; The pin used is PB3.My application is working fine.Now, for an hardware problematic, I need to use the ...

gfoujanet by Associate II
  • 1133 Views
  • 3 replies
  • 0 kudos

USB_OTG_FS on the STM3240G-EVAL?

Posted on August 21, 2013 at 01:04I can't get USB_OTG_FS communication to work on the STM3240G-EVAL board. USB_OTG_HS works with no problem. I tried disabling HS using JP31, but ST's example application still can't reach the USB_OTG_FS.I thought thi...

mattscar by Associate II
  • 622 Views
  • 2 replies
  • 0 kudos

Bit Band access to AHB2 Peripherals on STM32F373

Posted on August 20, 2013 at 17:12 Hello, I am trying to access GPIOB registers on STM32F373 using bit banding memory access. Per the documentation, all the peripheral registers are mapped to bid-band memory locations. While it is easy to ...

omri by Associate
  • 820 Views
  • 3 replies
  • 0 kudos

STM32L152 ADC DMA restart question

Posted on August 20, 2013 at 17:35 Hi, I'm trying to implement ADC multichannel scan (single sampling) with DMA on STM32L152 but there's a problem with conversions start. First SW conversion start takes the samples but following start com...

DMA from stack, why not?

Posted on August 20, 2013 at 20:03Hello, I was writting a driver for SPI transfer using double DMA ... to test it I wrote a few lines of code that prepared a buffer (locally), and sent it over SPI. The result was the first 4 bytes were ok then the d...

root by Associate II
  • 903 Views
  • 1 replies
  • 0 kudos

STM32F407 - 2 RAM banks

Posted on June 11, 2013 at 23:11I have a stupid question: F407 has 2 RAM banks - 128K with DMA access, and 64K no DMA access. 1) I saw that in all examples only the 1st bank used. 2) I saw that in all IAP Firmware Upgrade exampler, bootloader search...

alexandr by Associate II
  • 1876 Views
  • 5 replies
  • 0 kudos

STM32F205 and USB virtual com port problem

Posted on August 13, 2013 at 14:36 Hi all,  I'm using STM32F205VGT,STM32_USB-Host-Device_Lib_V2.1.0 and virtual com port driver ''VCP_V1.3.1_Setup_x64.exe''. The PC works with Windows 7/64bits. When I start USB device the initialization of USB start...

donev_g by Associate II
  • 555 Views
  • 1 replies
  • 0 kudos