STM32 MCUs Products

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Forum Posts

USB virtual com port for stm32f3discovery

Posted on February 15, 2013 at 19:33Hi,I plan to transfer the gyroscope value to PC through USB virtual com port. So I downloaded the latest version for the USB full speed device library for stm32(version 4.0). However, the projects, specifically th...

vsaaket8 by Associate II
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  • 5 replies
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Overwriting written flash memory with 0xFFFFFFFF on STM32L

Posted on August 27, 2013 at 20:48I need a reliably method of overwriting flash memory on a STM32L device (STM32L152CB). On the other STM32F series, this was easy, as I could write zeros on top of previously written flash memory contents reliably. T...

mlakata by Associate II
  • 3135 Views
  • 10 replies
  • 1 kudos

I2C3 interrupt not working

Posted on August 29, 2013 at 15:54 Hi all, I have some problems with I2C3 interrupts, I have enabled the interrupt but the handler interrupt never executes. Here is the interrupt configuration: NVIC_InitTypeDef NVIC_InitStru...

edgar by Associate II
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  • 0 replies
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File System

Posted on August 24, 2013 at 13:10I am implementing file system for stm32f407vg controller. I am getting problem in implementing directory next function. can any one help me ?

srinivas by Associate
  • 620 Views
  • 3 replies
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Writing on USB-Memory

Posted on April 12, 2013 at 07:58Hello, i have a little problem. I have adaptet the stm_Host_MSC example on my board. I use the USB_HS_Core with the internal FS-phy. I can communicate and wirte on my usb-stick. my question mow is: What i have to do,...

STM32L152 LSERDY

Posted on August 28, 2013 at 08:58Hi, I have a batch of STM32's which use the LSE.  On all of the device LSE starts normally(i.e. you can see it oscilate with a scope).  However, on a few of the devices LSERDY never aserts to indicate that the clock...

allison by Associate
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  • 3 replies
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