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some Precautions for safe transmission(USART and DMA)

Posted on September 09, 2016 at 14:55 Hello you assume a system as shown below I have written a simple code to collect 100 chars from USART and DMA to a buffer.I want to estimate my system safety. DMA_DeInit(DMA1_Channel5)...

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parisa by Senior
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PWM Frequency Change On the Fly

Posted on September 09, 2016 at 02:43I'm using an STM32F4 to generate PWM pulses. I need to do something a bit difference, the best way to describe it is like FSK ( frequency discontinuity not a problem if it occurs) For example - if one was lookin...

STM32CubeMX, cannot install FW package for STM32F4

Posted on August 09, 2016 at 08:58I am running CubeMX version 4.16.0, but I cannot update the firmware for STM32F4 to version 1.13.0.When I do: Help->Install New Libraries and tick 1.13.0 and then ''Install Now'', the installer runs until it looks l...

mats23 by Associate II
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Trouble setting RTC from LSI to LSE on STM32F4

Posted on September 08, 2016 at 17:52Hi,I have a problem where I'm trying to detect the presence of the low speed external oscillator, and to use it if it is installed. On bootup, it does the following:   * Turn LSI on (it always defaults to off)   ...

gw by Associate II
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STM7 - PWM in LP Mode(s)

Posted on September 08, 2016 at 13:15Hello All,Is it possible for the STM7x family to drive PWM outputs - specifically here TIM1 and TIM8 - in Low Power Mode?Thanks,John W. #stmf7-lp-pwm

STM7 - PWM in LP Mode(s)

Posted on September 08, 2016 at 13:16Hello All,Is it possible for the STM7x family to drive PWM outputs - specifically here TIM1 and TIM8 - in Low Power Mode?Thanks,John W.

FPU can not be enabled?

Posted on September 09, 2016 at 01:42Hi. I'm using the STM32F746G-Discovery board. I'm trying to make gcc output code that uses the FPU. The flags generated by my compiler settings when the FPU is supposed to be enabled are arm-none-eabi-g++ -mcpu=c...

RTC BQ32000 interfacing with stm32f030

Posted on September 08, 2016 at 12:47Hi I am trying to write some data to RTC register(say, day register) but unable to do so. If anyone knows,please provide some useful suggestions regarding what is the problem with the below code. // writing code ...

Usefulness of a bootloader

Posted on September 06, 2016 at 19:35Hi.I would really like to understand why bootloader is useful for? I read the document below, but still didn't get the point.http://www.st.com/content/ccc/resource/technical/document/application_note/b9/9b/16/3a/...

matic by Associate III
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