• STM32, ADC and continuous conversion mode

    Hi. I need to have the value of 2 channels and the internal temperature. My adc is setup as this:     hadc.Instance = ADC1;   hadc.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;   hadc.Init.Resoluti...
    Denis Gottardello
    last modified by Denis Gottardello
  • ON/OFF Microcontroller

    We are using STM8L051F3 and it has 2 inputs which is 2 key keypad which we are using for our application. Now i want to use that keypad for ON/OFF of microcontroller also.How i can do that? I want to ON controller pow...
    Omkar Teli
    last modified by Omkar Teli
  • STM32F429 CAN communication

    Hello,      i am using STM32F429IIT controller.I am trying communicate between CAN1 and CAN2 but yet not success.can you please provide any reference code for the CAN communication.   Thanks
    Sameer Wagh
    last modified by Sameer Wagh
  • STM32F334 with 24C32 EEPROM I2C Read/Write

    Hi,   Trying to get I2C communication between a F334 and a 24C32 EEPROM working, The read and write functions do return correctly, but the reads do not match what has been written to the EEPROM. Struggling to ...
    Manu Abraham
    last modified by Manu Abraham
  • IIS2DH Activity/Inactivity threshold setting

    Hi, I have configured accelerometer's registers as follows. So, from the activity threshold value how I know that at which raw value of X, Y, and Z axis it will be interrupted on a specific pin? /////////////////////...
    Arpan Patel
    created by Arpan Patel
  • Confirmed Messages issue with LRWAN 1.1.4

    Hello.   I was working with the LRWAN software using the Murata module a couple of months ago and was happy with its operation and functionality on my custom PCB. I moved over to hardware/antenna development and...
    Ben Ning
    last modified by Ben Ning
  • STM32F746 Ethernet DMA Transmit problem

    Hi, I am developing Ethernet driver on STM32F7-DISCO board. I set buffer address, buffer size in Tx descriptor. Then I set control bits in TDES0 of Tx descriptor and write DMATPDR register to send the frame. ...
    last modified by h..zoli
  • LIS3DH Accelerometer read commands only return data from the first register read

    Hi everyone,   I'm working with a LIS3DH accel and having trouble reading registers. I'm able to successfully read the value from any single register, but all subsequent reads return the same value. I.e. if I re...
    Rocne Scribner
    created by Rocne Scribner
  • stm32H743 and usart2 problem

    Dear All, I have just ported the RTOS uKOS (www.ukos.ch) on the new stm32H743. Everything work fine at the exception of the usart2. I have strange situations with the interruptions, and as soon as I receive a ch...
    last modified by franzi.edo
  • Does USB device code for STM32 really allocate dynamic memory from interrupts?

    Today in one of my projects I've enabled a new feature of my RTOS (distortos - advanced real-time operating system) which ensures some functions are not used in interrupts. This checks - among others - for any use of ...
    Freddie Chopin
    last modified by Freddie Chopin
  • send data to serial Keil uvision

    I am looking for a GUI window in Keil uvision4 to send data to the serial. When I open serial window (USART #1-3), I am not able to type any characters on the screen to send to the serial. Is there a way to ...
    Muzahir Hussain
    created by Muzahir Hussain
  • Keil vs TrueSTUDIO IDE

    I have been using Keil IDE for years (as a hobbyist). Maybe someone who knows both Keil & TrueStudio could share some details about pros & cons.   I know that the primary difference is lack of licensing...
    Bogdan Golab
    last modified by Bogdan Golab
  • How to generate a signal combining a Sine wave and Hann Window?

    Dear All,   I would like to generate a 2 kHz ±10 V Sine-wave with Hann window, as shown in the figure below. Do you have any ideal how to implement this function in STM32F4, and are there any additional cir...
    Hailing SKY
    last modified by Hailing SKY
  • 2018 STM32 Wish List

    Dear Community Members & STM32 fans,   Today 05th December 2017: it’s been a year since we started with the Jive solution as a platform for our STM32 MCUs Forum . For sure, we still have things...
    Amel N
    last modified by Amel N
  • STEVAL-IDB007V1 scan for advertisement data

    I am currently trying to scan and log advertisement data using STEVAL-IDB007V1.  Advertisement data will be coming out of separate BLE compatible module.    Would this be possible using BlueNRG GUI an...
    K C
    last modified by K C
  • MotionFX library (MotionFX_update()) is corrupting memory

    I am running the MotionFX library from X-CUBE-MEMS1 on a STM32L433V processor.  The MotionFX_update function is corrupting a block of memory (about 64 bytes) belonging to other functions (verified by br...
    Kurt Holmquist
    last modified by Kurt Holmquist
  • AT24CM02 interfacing issues with STM32F072

    Hi,   In our project we are using STM32F072 and have 2 Atmel AT24CM02 serial EEPROM (256KB,256 page) over i2c interface. I am using standard peripheral library 1.5 for developing firmware for this. I find strang...
    Nandakumar Palaparambil
    last modified by Nandakumar Palaparambil
  • Cant set any data in SDMMC register on STM32L496VGT

    Hello everyone,            I have a really weird issue with running an SD card on a STM32L496VGT. I can't seem to set any bit in any SDMMC registers. I've tried hard ...
    Luke Iliffe
    last modified by Luke Iliffe
  • Problem compiling in STVD

    Hello, I am modifying the code of an STM8S003 that already works. But the code stopped working, even though I have not made any changes yet. The STVD displays the following error message:   #error clnk Debug\a...
    Vitor Schulter
    last modified by Vitor Schulter
  • H7 silicon bug?

    Dear All, I try to write to the community with the hope that ST can read this message. I am facing to a problem concerning the usart2 of the new H743. I suspect a silicon bug! As soon as I stress a bit the commu...
    last modified by franzi.edo