STM32 MCUs Products

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Forum Posts

STM32F1 I2C1 Alt Functions Drive Low

Posted on November 16, 2016 at 02:39I am running into an issue with I2C on an STM32F103 that is driving me crazy.  The code worked on the same processor with the normal pin mapping, however on new hardware with the alternate pin mapping for I2C1 (Po...

drew by Associate III
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Issue placing constants in flash

Posted on November 21, 2016 at 16:00 I'm following the post on[DEAD LINK /public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=/public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/How%20to%20allocate%20variable%20in%20Flash%20to%...

Extract Some Data From A Signal By Timer

Posted on November 20, 2016 at 01:33Hi Guysi have a board(a) and this board send some async data with clock to my stm32f4 device.in this data transferred by board(a) have some dummy clock and i want reject this dummy clock.i want to capture input cl...

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eittinfo by Associate II
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Mutex never received

Posted on November 19, 2016 at 23:50 Hey guys, I'm having some problems with mutexes. I'd like to take a mutex but could never obtain it. Not even directly at startup. my function looks like this USB_ERROR_LIST creat...

STM32F030 Read protect

Posted on November 21, 2016 at 09:49Hi Support,I would like to confirm that by setting register OB->RDP = 0x11; in my source code will stop read action ONLY from being performed when using the RS232 bootloader. If i needed to do firmware updates usi...

older versions of cubemx and cube firmware libraries

Posted on November 21, 2016 at 15:39Hi,Is there somewhere I can obtain older versions of cubeMX and the cube firmware libraries?since ST doesn't seem to maintain backward compatibility, I need cubeMX v4.14.0 and the stm32f4 cube library v1.11.0Thank...

leet1 by Associate II
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STM32F4XX PA0 WKUP from STANDBY issue

Posted on November 21, 2016 at 15:42I am having unreliable behavior with PA0 wakeup the chip from standby. If I just did a cold power cycle, the WKUP works, after I do several cycles ofWKUP--RUN APPLICATION--GOTO STANDBYthe chip does not wakeup or r...

Bug CubeMX 4.17 STM32F303 after emigration

Posted on October 14, 2016 at 11:12 Hello. i am using Cube MX 1.17 and the firmware package 1.6 on the STM32F303xC. After emigration from the related CubeMX version to the new i am getting a syntax error by new compiling the code. Th...

tino1 by Associate II
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Solved! - Stm32CubeMX - UART - DMA - ERROR DETECTION

Posted on October 08, 2015 at 00:01 Hi, I have a problem in catching errors when using UART in DMA mode.  I use CubeMx to generate the code.   The functions which I use to catch interrupts are the following (obviously my code is more complex, this ...

silvio1 by Associate
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Problem entering Standby mode STM32L051

Posted on November 18, 2016 at 14:45Hi all,I have an odd behavior on my STM32L051 trying to enter in STANDBY mode.  I would be pleased if you could help me. My program repeat endless cycles activity and Standby.Once the firmware boot and after some ...