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

Current Consumption of STM32L-DISCOVERY in low Power Modes

Posted on August 11, 2013 at 19:23Hi, I am using the STM32L-DISCOVERY evaluation board, and I made JP1 off as per the below instructions from the evaluation board user manual:  JP1 OFF: the STM32L152 is directly powered, IDD measurement circuit is b...

HSI vs. HSE crystals

Posted on August 11, 2013 at 19:01I've been looking at some board designs that I've found online, and it looks like some people include an external 8 MHz crystal in a resonator to run their clock.  I'm wondering what the benefit of using this extern...

mattfox by Associate II
  • 788 Views
  • 3 replies
  • 0 kudos

GNU gcc toolchain on linux

Posted on August 10, 2013 at 00:33Hi all,I've been playing with different peripheral examples of STM32L-Discovery on MDK-ARM (Keil) environment.  Recently I'd like to move to linux with GNU gcc tool chain.  I had a hard time learning to write a Make...

GPIO_Remap_SWJ_Disable Issue

Posted on August 08, 2013 at 23:20 Hey guy's ! [I'd like to apologize for my bad englisch] I think I've made two mistakes in a row... First, I designed a STM32 Board with the usage of the Pin PA.15 - which is remapped after ...

benedikt by Associate II
  • 1145 Views
  • 2 replies
  • 0 kudos

CMSIS DSP PID Algorithm and 1.15 format

Posted on August 10, 2013 at 04:51Hello, I am having a problem with CMSIS DSP. the state variables are represented in 1.15 format.I want to control the speed of a motor using PID algorithm.The minimum value of the PWM duty Cycle is 500 and it Maximu...

STM32W108xx IRQC configuration

Posted on August 06, 2013 at 19:20 Hello all, I'm working on STM32W108xx & interfacing a sensor whose interrupt pin connected to the PB7, IRQC pin. How to configure this pin for the following handler ? void EXTIC_IRQHandler( void ) ...

harinath by Associate III
  • 540 Views
  • 3 replies
  • 0 kudos

How to unlock SWD on STM32F0?

Posted on August 09, 2013 at 10:15Hi, I accidentally configured USART2 to pins PA14 and PA15 with PA14 being also SWCLK. Now I can't upload code anymore. I read about putting the MCU into bootloader mode by setting BOOT0 to Vdd. But this doesn't wor...

mmensch by Associate II
  • 1213 Views
  • 4 replies
  • 0 kudos

SPI need help

Posted on July 16, 2013 at 05:15 So ive been trying to get the SPI interface working. Here's what i have so far. void SPI_Setup(void) { SPI_InitTypeDef SPI_InitStructure; SPI_I2S_DeInit(SPI1); SPI_InitStructure.SPI_Direction = SPI_Dir...

timothy by Associate II
  • 784 Views
  • 4 replies
  • 0 kudos

need STM32F0 SPI Slave Tutorial / working example

Posted on August 08, 2013 at 19:23hi all.. i'm already searching for hours, and can not find a working example / tutorial for SPI Slave on STM32F0. Anyone ?thanks before... #need-stm32f0-spi-slave-tutorial

septijo by Associate II
  • 833 Views
  • 4 replies
  • 0 kudos

Fatal error: Can not connect to J-Link via USB. Session aborted!

Posted on August 07, 2013 at 23:41I have a STM32 Discovery Kit.  I have set up the IAR compiler.  Succesfully compiled code.  However when I try to download the the Discovery Board I get the following message... Wed Aug 07, 2013 14:21:48: Fatal erro...

greg by Associate II
  • 1632 Views
  • 5 replies
  • 0 kudos