STM32 MCUs Products

cancel
Showing results for 
Search instead for 
Did you mean: 

Forum Posts

Simple GPIO interrupt is not working

Posted on November 02, 2012 at 23:24 Hello, I use this example code below to get an ISR from GPIO PA0. My hardware is the STM32L152 at board STM32L152D-EVAL. ( http://www.st.com/internet/evalboard/product/2517jsp) So I have only one ta...

STM32F2xx and STM32F4xx Demonstration Builder Compile

Posted on November 02, 2012 at 18:18I am having difficulty compiling the Demonstration Builder example code.  I am using MDK-ARM (Keil) with the 256k license but the code is 265k when linked.  I read the app note to disable modules but when I tried ...

wmoyne by Associate II
  • 664 Views
  • 3 replies
  • 0 kudos

STM32F3Discovery opamp benchmarking

Posted on November 02, 2012 at 19:31Hi, just thought I would share these results. I've tried to benchmark F30x opamp voltage and current noise density using F3Discovery with an external feedback network connected to a Tektronics MSO4054 oscilloscope...

0690X00000605UKQAY.png 0690X00000605UFQAY.png
eexlb2 by Associate
  • 269 Views
  • 0 replies
  • 0 kudos

Interrupt priority clarification

Posted on November 02, 2012 at 14:51Hello guys, I have been messing with interrupts recently and I have hard time to find in the manuals how the priorities actually work. I have seen the priority groups and priority values. If I understood it proper...

longchair by Associate III
  • 561 Views
  • 1 replies
  • 0 kudos

STM32VL Discovery and I2C Accelerometer

Posted on November 02, 2012 at 07:54I need some help setting up I2C connection to LIS302DL or a generic I2C accelerometer. I need some code examples to get the accelerometer working. Thanks in advance.

peppea82 by Associate II
  • 477 Views
  • 2 replies
  • 0 kudos

Using more than one inputs for EXTI of STM32 - Help!

Posted on November 02, 2012 at 04:04Dear Friends,I would like to use more than one pins PA0, PB0, PC0 for external interrupt 0, for detecting 3 buttons. I tested with PA0 and it's working well but I want to expand more PINS in similar interrupt. Doe...

toantq3 by Associate II
  • 300 Views
  • 0 replies
  • 0 kudos

STM32F4xx peripheral to memory max rate

Posted on November 01, 2012 at 18:35I have a peripheral bursting 8-bit parallel data at 56MHz gated by a data valid signal. Can the STM32F4xx support peripheral to memory dma at this rate? What is the max rate the STM32F4 can handle dma requests? ...

denny23 by Associate
  • 352 Views
  • 2 replies
  • 0 kudos

STM32F4Discovery and extra PHY

Posted on November 01, 2012 at 20:17Hello, I am trying to attach external PHY chip to my STM32F4Discovery board. I am using the 'stm32f4x7_eth_lwip' example from the ST site. I think for people that have the bigger evaluation board with already sold...

M0NKA by Senior
  • 324 Views
  • 0 replies
  • 0 kudos

StdPeriphLib Question

Posted on November 01, 2012 at 17:29So does the whole family of STM32M0-STM32M4 have their own StdPeriphDriver offering?  Under the advisement of my hardware guide, I am trying to test out the Freescale Freedom board after I have developed on the ST...

wbarkley by Associate II
  • 267 Views
  • 0 replies
  • 0 kudos