STM32 MCUs Products

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Forum Posts

UART IT problem with DMA

Posted on July 26, 2017 at 14:38Hi ,I'm using STM32F407 Discovery kit with CubeMX version 4.21.0 and Attolic TrueStudio as an IDE. Problem is not be able to receive UART interrupts while DMA is running. In my program I can receive ADC values and UAR...

LORA RN2483 AND STM32

Posted on October 17, 2017 at 11:06İS THERE a library driver or a n exemple code on cubemx/ keil     using stm32  and the RN2483  ???we want to esablish a network M2M then later iot ,,,we need urgent help and advices or docx projects for starting ,...

STM32F7 HAL UART TX DMA

Posted on October 19, 2017 at 22:37Hello,I'm new to STM32F7 and not familiar with the design environment. I'm setting up 2 UART channels and in CubeMX I setup each UART channel to use normal DMA buffer instead of circular.  Here is a sample of what ...

Lalit B by Associate
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Proper Bulk HOST IN USB Endpoint Shutdown

Posted on October 18, 2017 at 15:35I wonder if someone could help me with proper shutdown and restart of a bulk HOST IN USB endpoint.  I am using an STM32469I, with HS USB via ULPI.  I can start USB streaming to the host, but at termination I get ma...

Resolved! Interrupt speed stm32f7

Posted on October 17, 2017 at 17:40The original post was too long to process during our migration. Please click on the attachment to read the original post.

con3 by Senior
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What should be ''sleep'' mode strategy to conserve energy

Posted on October 19, 2017 at 17:51We make battery protection circuits and in the past we used TI all in one solution chip, but currently we plan to use our own STM32 micro controller.  The important part is to conserve energy when the battery pack ...

Vu.Andy by Associate III
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STM32F746 discovery hardware audio input rate

Posted on October 19, 2017 at 17:17Is the STM32F746 discovery hardware for the Audio Application limited to 16k on the input rate?In stm32746g_discovery_audio.h, changing the '#define DEFAULT_AUDIO_IN_FREQ  I2S_AUDIOFREQ_16K' to '#define DEFAULT_AUD...

efis by Associate
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STM32F042 SPI DMA jammed

Posted on October 19, 2017 at 16:29Hi, I'm trying to create a project using CubeMX which will use SPI1 with DMA. Unfortunately the SPI HAL driver seems to lock up after a few milliseconds of transactions (about 40 slave transactions). I seeLock = HA...

HAL_Delay() function always last 1 ms more

Posted on October 19, 2017 at 14:11I'm using the latest build of CubeMX with a F429 Disco kit. If I use HAL_Delay(1) it last 2 ms, HAL_Delay(5) last 6 ms to get 1ms HAL_Delay(0) must be used.This is a major bug that should be fix ASAP!

sergetr by Associate II
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