• STM32F746 Display Graphic Demo is poor

    Dear All. I try to complier sample code from st at D:\STM32\STM32F746NG\STM32Cube_FW_F7_V1.7.0\Projects\STM32746G-Discovery\Demonstration\MDK-ARM On sample video from https://www.youtube.com/watch?v=R78zvO...
    Thanormsin Makthong
    last modified by Thanormsin Makthong
  • cubemx re-generating

    Few weeks ago I have started my first CubeMX generated project. Like always, my project is stored in git repository (locally). Recently, I wanted to extend projects functionality using re-generating option of CubeMX....
    Maciej Drozd
    last modified by Maciej Drozd
  • STM32F301C8T6 using FLASH Data

    Hi. I would like to use FLASH Data(Write, Read, Erase) in Flash memory of STM32F301C8T6. I follow to an example STM32Cube\Repository\STM32Cube_FW_F3_V1.9.0\Projects\STM32303C_EVAL\Examples\FLASH\FLASH_EraseProgram\M...
    Panupong Boonya
    last modified by Panupong Boonya
  • Efficiently use DMA with UART RX on STM32

    There were questions on how to read UART data using DMA in efficient way when you don't know how many bytes you can expect.   U(S)ART peripheral can work very good by using RXNE (Receive Not Empty) for each...
    Tilen MAJERLE
    last modified by Tilen MAJERLE
  • Set up B-L072Z-LRWAN1, send data to multitech gateway and loriot

    Hello, currently im using B-L072Z-LRWAN1 send AT command to multitech gateway and server is loriot.io. And i cant get data at the server. Here some information: Firmware version B-L072Z-LRWAN1 v1.1.1 AT command: &...
    Thai Le
    last modified by Thai Le
  • STM32F4 Speaker and Microphone USB

    Hi, I have a problem with speaker and microphone USB descriptors working simultaneously on STM32F4 Discovery. PC discovers speaker OR microphone but not together. How can I get to work together? Code: //main.c &...
    last modified by ntow
  • Does the X-CUBE-CRYPTOLIB use crypto hardware of the STM32F7 MCU?

    More specifically we are interested in the AES256-GCM algorithm on STM32F777.   Looking at the User Manual (http://www.st.com/content/ccc/resource/technical/document/user_manual/group0/f9/6e/f2/a2/b4/ec/49/c0/DM...
    M Spiessens
    last modified by M Spiessens
  • SPI DMA transmit during interrupt

    Hello!   I am implementing a state machine which is driven by interrupts on the STM32F437IIT6. The interrupts occur as a result of using the HAL_SPI_Transmit_DMA() function.   While testing...
    created by cherniakov.yuri
  • how to get more info after watchdog reset

    We are using quite a few stm32 MCUs from 401 to 439, and our program becomes more and more complicated. In order to avoid possible deadloop, we have used watchdog to rescue the system, basically it is working well now...
    created by Jeff
  • How to get more info when watchdog reset occurs

    We are using quite a few stm32 MCUs from 401 to 439, and our program becomes more and more complicated. In order to avoid possible deadloop, we have used watchdog to rescue the system, basically it is working well now...
    created by Jeff
  • [BUG] STM32Cube_FW_F4_V1.14.0 HAL_I2C_Mem_Read: handling of last 2 bytes done incorrectly

    Hi,   I didn't find any report posted about this issue so here we are.   There is a stupid bug in the implementation of HAL_I2C_Mem_Read()@STM32Cube_FW_F4_V1.14.0/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx...
    Adam Zotow
    last modified by Adam Zotow
  • STM32F4 HAL for TIM PWM and Encoder Input

    Hello, I am trying to use the STM32F4 HAL Drivers to read a 50 Hz PWM input signal and an A quad B encoder signal on an STM32F4 Discovery board, but the TIMx_CNT register is NOT incrementing on the external tr...
    last modified by metzler.matthew
  • STLINK Utility V4.0.0 problem

    Hi,    I am currently playing with micropython on NUCLEO-L476RG and get it flashed and working using STLINK Utility V3.9.0 But then when I update to STLINK Utility V4.0.0, using the same exact .HEX files, ...
    fwajie jspa
    last modified by fwajie jspa
  • Telemetry to IOT Hub Stops after 45 minutes

    I am working with a Cloud Jam L4.  It sucessfully connects and sends messages to the iot hub but disconnects after 45 minutes.  I need it to run continuously.
    Angelia Thompkins
    last modified by Angelia Thompkins
  • Cannot restart application

    I need to restart my application without starting the bootloader or any reset (Watchdog, Soft-Reset,....). Processor: SMT32F207 Bootloader start address is 0x08000000, application is starting at 0x08020000. The rec...
  • IAP USART receive through hyper terminal not working

    Hi,   I am using STM32 controller board for the first time. I am trying to implement IAP using UART. I have gone through the AN4657 document.  I am aware that X-CUBE-IAP-USART firmware package contains...
    Harsha Jagadish
    last modified by Harsha Jagadish
  • STM32F0 wake up from standby by multiple pins

    Hello,   I have an issue when trying to exit from standby power mode on the STM32F091CB MCU. I want to use 3 wake up pins (EWUP1, EWUP2, EWUP7 set in PWR_CSR register). One of this pins (EWUP2) ...
    Slavomir Simko
    last modified by Slavomir Simko
  • inconsistent Information concerning STM32L071

    Hi,  There is an inconsistent information about the numbers of usart in series STM32L071KBTx and STM32L071KZTx (both LQFP32.) in the datasheet, it says there are 3 usart: ==============================...
    Zhitai Liu
    last modified by Zhitai Liu
  • Is the STM32F446 compatible with the STM32F4xx USB OTG Driver?

    I have been working on porting code for a STM32F405 based board to a newer board that uses the STM32F446. I have been having troubles getting USB to work. See [DEAD LINK /public/STe2ecommunities/mcu/Lists/cortex_mx_st...
    last modified by martin
  • STM32F746 QSPI strange behavior

    I'm experiencing strange behavior of QSPI peripheral (or may be flash chip itself -- N25Q128 in SO8; chips are not shiny new, but never used; datasheet Rev. 8 July 2014): despite what is stored in NVCR/VCR registers, ...
    Eugene Solo
    last modified by Eugene Solo