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STM32f4 5V output pin

Posted on July 20, 2015 at 12:42Hi, I'm connecting stm32f4-disco through USB to the computer and I'm measuring the 5v output pin from the board with a scope and I get 3,9 V. Did I burn it or something? Thank you

fiulala by • Associate II
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  • 5 replies
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STM32F411RE - RTC and VBAT

Posted on July 20, 2015 at 15:47 Hello I have been trying to get the RTC to work with VBAT. I have connected 3V coin cell battery to the VBAT pin (RTC initialized beforehand). I test if RTC is working in the following way: if((RTC...

tbnkr by • Associate II
  • 610 Views
  • 3 replies
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STM32f4 Discovery EXTI Clear pending bit

Posted on July 20, 2015 at 00:05Hello all,I tried searching for a bit but couldn't find anything pertaining to my question.I'm trying to set up an external interrupt but I don't understand why exactly we clear the pending bit in EXTI->PR and not in ...

Setup a USB module (FT232) with a STM32F103 MCU

Posted on July 16, 2015 at 18:21Hi all, I have a STM32F103VEH MCU which is connected to a FT232 USB module. All pins at the MCU with alternate functions are connected to the corresponding pins at FT232 USB module, which are: PA11 -> USBDM (USB data ...

danesh by • Associate II
  • 2306 Views
  • 9 replies
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Missing Byte VCP example

Posted on July 07, 2015 at 16:40Hello everyone,I'm facing a problem in which I'm clueless how to solve. Maybe someone can help me out or give me some hints.To the setup:I'm running two STM32, one STM32F0 to communicate via USB with a PC and a STM32F...

p23 by • Associate II
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  • 1 replies
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STM32CubeMX for SW4STM32 : where is c++ compiler ?

Posted on June 07, 2015 at 18:37Hi, I've generated a project with cubeMx for System workbench. Now, I add some c++ classes which does not compile because they are compiled by eclipse with gcc and not g++. Can anyone tell me how to fix this ? I can n...

JulienD by • Senior
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  • 4 replies
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[STM32F0 Nucleo] Developing on Mac OS X

Posted on July 19, 2015 at 23:02Hi,I have a Nucleo Board, STM32F072R8, and I followed thishttps://stm32geek.wordpress.com/2014/10/21/stm32f3discovery-on-mac-os-x-using-eclipse-gcc-arm-and-openocd/ to develop on Mac OS X using Eclipse IDE. Build Proj...

fredvaz7 by • Associate
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  • 0 replies
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STM32F7 using the faults

Posted on July 18, 2015 at 23:13Hi,I'm trying to enable the cortex's fault exeptions for my stm32f7 board.Everytime I call   HAL_NVIC_EnableIRQ(UsageFault_IRQn); or try to enable some other Fault I get an Hard Fault.I already tried to access the reg...

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