STM32 MCUs Embedded software

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STM32L476 had too much coffee

Posted on May 06, 2016 at 22:49I have been trying to implement the Tickless Idle feature in FreeRTOS (which comes pre-implemented for STM32 processors).In my main code I have turned off all IP except the pushbutton (EXTI0), which I want to use to wa...

mattreed9 by Associate III
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Stuck in HAL_I2SEx_TransmitReceive_IT because Interrupts called immediately but not handled as I2S_HandleTypeDef is still locked

Posted on May 10, 2016 at 09:10Hi all,I encountered a problem, using version 1.4.4 of the I2S Hal module driver in Master TX full duplex mode. Basically I'm just writing a test program to see that it works, the idea is to transmit data and connect t...

BOOT0/BOOT1 pins - boot mode doubt

Posted on May 09, 2016 at 13:14Hello all.I have a little doubt about BOOT0/BOOT1 pins, they select the boot mode.After reading about in some pages, I understood that ''System memory boot'' selects the builtin bootloader to write a new firmware using...

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jeferson by Associate II
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NucleoF103, CubeMX HAL, PWM Out Tim3CH1

Posted on May 04, 2016 at 22:50hi im working on a project to drive a WS2812B led string. i use TIM1 as time source and TIM3 for the PWM generation. im so far able to achieve a PWM signal @ 800kHz. For testing, i tried (see stm32f1xx_it.c) to drive ...

aal1 by Associate II
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BOOT DFU USB with STM32F427 dont work

Posted on May 04, 2016 at 01:53Hello:I have develop a board where may install STM32F407, STM32F405 or STM32F427. Board is always same, and work perfect with F405 and F407 about the BOOT option to upload firmware by DFU USB.But when I install an F427...