NMI priority
Posted on September 16, 2015 at 12:29Looking at the reference manual it shows the priority as -2 What does this mean - is it high or low? and can code running under the NMI be interrupted? #interrupts
Forum Posts
STM32F411RET6 - Working with pointers
Posted on September 16, 2015 at 15:48HelloIm working on a simple uController software to control a clock. Im working with a Nucleo controllerboard (STM32F411RET6) and uVision Keil V5.To be able to manipulate acutal variables instead of copies, id li...
Problem when using SPI1 controller on the STM32L053C8
Posted on September 09, 2015 at 16:31I have a problem when using SPI1 controller on the STM32L053C8 Discovery board. Is there anyone who can provide support on this issue?Brief description: Occasional bit errors on SPI MISOSetup:16-bit ADC connecte...
New, stable and working FAT/SD implementation and EMI filtering errors
Posted on September 16, 2015 at 12:45Hello,I'm happy to share something I found last week:http://elm-chan.org/fsw/ff/00index_e.html(see ''Read SD card with FatFs on STM32F4xx devices by Tilen Majerle (Quick and easy implementation for STM32F4-Discov...
Lwip DHCP Server Example
Posted on September 16, 2015 at 09:25Hi,I am working on STM324x9I-Evaluation board. In the example programs provided by ST I was able to test DHCP client using Lwip stack successfully on the board however i could not find any example program or docu...
STM32F407 I2C Address Ack Error
Posted on September 16, 2015 at 10:05Hi,I am trying to communicate STM32F407 with a I2C slave device @ 100khz on I2C1.The slave supports up to 400khz.I traced the lines between the controller and the slave using a logic analyzer and check whether si...
STM32F446: configure PLLSAI for 48MHz (USB) clock
Posted on September 14, 2015 at 18:40I'm working on a new board that uses the STM32F446 running at 180MHz. The board uses an external 16MHz oszillator and I would like to use ''PLLSAIP'' for the 48MHz USB clock. The clock configuration from STM32Cub...
SPI1 question ?
Posted on September 13, 2015 at 12:38 Guys, I want to use SPI1 for communicating with VS1... Is my configuration right ? #if !defined (USE_STM3210B_EVAL) && !defined (USE_STM3210E_EVAL) && !defined (USE_STM3210C_EVAL)&& !d...
STM32F7 Breakpoints
Posted on September 15, 2015 at 16:47Hello,I have a basic breakpoint question. I am using Keil uVision5 with an ULINK-PRO. I have a project with Keil RTX RTOS. I set breakpoints at different places in my code and when the one of them triggered my...
How to allocate variable in Flash to desired address?
Posted on May 24, 2012 at 10:11Please, could you help me? with STM32F4xx.But I think it's general problem with GNU linker.I'm working on SW for colour graphical display application.It works fine.But I need to store some data to Flash after the progr...
