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Resolved! HAL Timer Interrupt Counter Reset

Posted on February 02, 2018 at 20:43I'm trying to configure timer 7 in one-shot mode on the STM32L431 and am having an issue with my timer IRQ triggering as soon as I enable the interrupt. It seems like its preloaded with the period value, however I...

Konami by Senior II
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reset circuit problem with stm32f4

Posted on July 02, 2017 at 19:29 Hello, I'm using stm32f407vgt6 MCU in a control system and I'm facing a strange problem in the reset circuit, when I power on the system it doesn't start until I put a short circuit wire manually between reset pin a...

Flash content cleared on site?

Posted on February 07, 2018 at 12:33We use STM32F429II on our project.We had over 30 systems running in our lab without problem. Just sent a unit to a remote location, and after few days of continues running, the option register was set to 1 on all ...

Resolved! How to start programming with sensortile

Posted on February 07, 2018 at 12:00Hi!I am a student and a newbie with BLE and I'm having a little trouble with understanding the HCI events and commands and how it is working.I'm using a steval stlkt01v1 development kit and FP-AUD-BVLINK1 sample p...

Run code from CCM RAM F429

Posted on February 07, 2018 at 13:42I am trying to develop sort of second stage bootloader that will be executed from the CCM RAM.First stage bootloader as USB host reads image from external USB flash and write it on the CCM. When all data are in th...

Systick overspeed?

Posted on February 05, 2018 at 00:32I'm using an STM32F429ZI Nucleo-144 board with CubeMX, enabled FreeRTOS, LWIP, USARTs, IWDG, RTC. The HSE clock source is the on-panel ST-Link 8MHz, the LSE clock source is the on-board 32.768 kHz crystal oscillat...

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Ken CK by Associate II
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Determine motor speed using encoder

Posted on February 05, 2018 at 17:09I am tasked with finding out the speed of a motor using a quadrature encoder interface. As a first step I thought I'd make it as easy as possible and try to determine the time it takes for the encoder counter to c...

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STM32F4 Discovery Multi-dimensional Array Problem

Posted on February 07, 2018 at 09:08I have a control algorithm which operates within a Timer Interrupt of 200 us. Basically my code generates an output and compares it to a look up table. When I have a single array defined:const float Adm_Re_array[7...