STM32F3
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Forum Posts
STM32l4, SPI, LIS3DH Accelerometer
Posted on November 30, 2015 at 17:44The original post was too long to process during our migration. Please click on the attachment to read the original post.
arm-elf-objcopy.exe on Windowns 10
Posted on March 03, 2016 at 19:54Hi,I am trying to test the IAP exemple and I am having problems with arm-elf-objcopy.exe. Every time I run it it seems to enter in a loop where it creates new process non stop and freezes my desktop. Tried to run a...
More efficient startup code
Posted on March 02, 2016 at 22:03Hi all,For an application I'm working on, I needed to speed up startup. I looked into the .init and .bss routines and saw that they weren't very efficient. I re-wrote them and got about a 2.2x improvement in startup ...
Transfer File from terminal to STM32 Flash via UART over DMA
Posted on March 03, 2016 at 19:20Hi!I would like to know if it's possible to transfer a file from a PC(with hyper terminal), to the MCU' Flash, with the UART over DMA.I use a stm32l151xc. , the file to transfert is moreorless 100kB.I check the tras...
What is stm32fxx_xx.s startup file for?
Posted on March 03, 2016 at 09:22Hi all,Thanks in advance for your time spent on this topic.I have spent several months on STM32 project, fine with software coding, but keep confusion on the startup file, which would appear inalmost every project as...
Split EXTI4_15_IRQHandler into smaller ISRs possible ?
Posted on March 03, 2016 at 14:48Hi there, is it possible to divide the EXTI4_15_IRQHandler into smaller groups of EXTI Lines ? For example EXTI0_1_IRQHandler is responsible for EXTI line 0 and 1 and EXTI2_3_IRQHandler for EXTI line 2 and 3. But all...
STM32F4 Nucleo- how to record audio from mems to internal flash
Posted on March 02, 2016 at 09:38Hi, I am using X-NUCLEO-CCA02M1 (mems mics) with nucleo stm32f4.I want to record audio by the mics ans store it the internal flash.Didn`t find any materials\examples for storing to flash .I found Audio_playback_and_...
1 second missing at reading RTC on STM32L151
Posted on March 03, 2016 at 17:09 Hello everyone, I am using the RTC on a stm32l151VC. I am using sleep modes in order so save battery life. As I need to tell the OS how long I have been sleeping (Systick is turned off) I save the time t...
STM32 discovery DMA with SPI
Posted on March 02, 2016 at 14:00 Hello everyone, I'm trying to initialize the DMA for SPI2 but DMA is not working for my code , I don't know the reason. Surely I can say that it's not working as the LED which is turned ON in ISR is not glowing....
