STM32 MCUs Products

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Forum Posts

Are these appropriate LoRaWAN learning tools

Posted on December 07, 2017 at 03:29I own a NUCLEO-L053R8.Is it appropriate to get a I-NUCLEO-LRWAN1, plug it into the NUCLEO  and use the I-CUBE-LRWAN (STM32CubeExpansion_LRWAN_V1.1.2) to start learning LoRaWAN?Is the NUCLEO-L053R8 with the I-NUCLE...

ST-Link utility v4.1.0 poor connect disconnect

Posted on October 19, 2017 at 18:16I just upgraded from v3.9.0 (having previously used most versions since 2.5.0) and now connecting and disconnecting are seriously degraded. Specifically, after physically disconnecting the programmer from our board...

gfuehrer by Associate II
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STM32F4 I2C with DMA not working

Posted on December 07, 2017 at 23:56Hi everyone, I'm using one STM32F4 and I want to communicate with my LSM303 accelerometer. For that I'm using I2C, and just using I2C works fine but when I try to use DMA with it, it stops working. When I use HAL_...

STM32F7 USB / HAL / DMA

Posted on November 11, 2017 at 05:37I'm doing research on USB lib v2.4.2 and HAL (checked 1.6.0 and 1.8.0), trying to understand how it's internals are working. Target chip is STM32F746, target mode is FS (because of internal PHY).I'm stuck at this ...

USB Isochronous endpoint does not generate interrupt on F7

Posted on December 07, 2017 at 14:29I'm currently working on an STM32F7 design trying to get a composite device going on USB.  I have this same composite device working on an STM32F0 board and it implements the CDC and Audio USB device classes.  How...

ttatakis by Associate III
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Resolved! While loop stucks

Posted on December 04, 2017 at 18:21 Hello .. I am having a very weird issue with my code piece .. The MCU is STM32F407VET6 .. What I'm trying to do is sending a string via USART1 peripheral module .. In order check if the character in the USART...

BG1 by Senior
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Problem with ADC Multi-channel DMA

Posted on December 04, 2017 at 22:33Hello,I am using ADC multi-channel DMA on stm32f105rc to receive some data on 3 adc channels. Ideally I would see 3 values with not much variations on my PC display. However, values I retrieved from the DMA were c...

fan zhang by Associate II
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STM32L496VE and Keil ARM-MDK 5

Posted on December 06, 2017 at 13:15Hello,I am trying to program software for the STM32L496VE MCU with the Keil ARM-MDK 5 IDE. But unfortunatly the Device I am using is not included in the latest Device Feature Pack (Keil::STM32L4xx_DFP). A screensh...