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Forum Posts

Question on GPIO

Posted on May 08, 2016 at 05:21Hi all,I have seen a code where a GPIO pin is configured as output in push-pull mode but the pin is driven by an external circuit to low some times (essentially shorting the top transistor to GND). Is it safe to implem...

nps by Associate II
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  • 3 replies
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STM32L1 : interrupts not fired during flash programming

Posted on May 01, 2016 at 23:19Hi, I experiment a strange behaviour while saving some data in flash: Some interrupts are not fired as they are when not flashing. Timer11 is ''nearly ok'', tick is not, uart reception is not. The joined logic analyzer...

JulienD by Senior
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  • 9 replies
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Power consumption of STM32F407

Posted on May 06, 2016 at 07:45HelloWe are experiencing a problem in the power consumption of the STM32F407.Upon entry to ''main'' function we enter device into the standby mode as a first thing.At this point we measure power consumption and observe...

igor2 by Associate II
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USB power

Posted on May 01, 2016 at 22:06Dear Community,currently I am experimenting with the STM32‘ demo usb stack (COPYRIGHT 2012 STMicroelectronics) to use it as a mass storage device. This works so far. However I wanted also to use the power delivered by ...

jogerh by Associate II
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  • 2 replies
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.NET Micro Framework on the STM32F429 Discovery kit

Posted on May 06, 2016 at 19:44hiI wanna use the .NET Micro Framework  on STM32F429 discovery board. The STM32F429I_Discovery_NETMF_Package\NETMF_Binary_Image contains the NETMF binary image which consists of three hex files that should be loaded us...

Javad by Associate III
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  • 4 replies
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wakeup from sleep mode with uart interrupt

Posted on October 25, 2013 at 15:00Hi everyoneI'm trying to put my STM32L1 into sleepmode and wake it up again with an uart interrupt. So I send it to sleep using:PWR_EnterSleepMode(PWR_Regulator_ON,TRUE)which works, but now it does not wake up when...

Bi-directional Parallel ports

Posted on May 06, 2016 at 16:14Short question: What is the recommended way to implement a bi-directional data bus on STM32 using the HAL? Longer version: Our code needs to interface to a LCD controller over a 8-bit bi-directional bus. To do this, we...

Stm32f103 nucleo board with cubemx, variable pwm out

Posted on May 03, 2016 at 19:53hello im working with a nucleof103 and the cubeMX HAL library. i managed so far to get a steady pwm out via tim3_ch1 on PA6. but id like to change the DC after each periode, therefore enable interrupts and change then...

aal1 by Associate II
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