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STM32 CAN bus ''bit dominant error'' meaning

Posted on March 23, 2018 at 17:15I understand a high speed CAN bus bit error means that while I am transmitting a bit outside of the arbitration period I sense the opposite bit on the bus.   However STM gives two bit errors: 'bit dominant error' and...

Resolved! I Need Help Identifying a ST Micro Chip

Posted on March 23, 2018 at 19:01Hello,  I am trying to identify a ST Micro chip.  As far as I can tell, the markings show the following:MHLF7A0GH24-VGCHNIt is used in an AFCI breaker.Thank you!

[bug] SysTick_Handler optimised out of F4 HAL project

Posted on March 22, 2018 at 19:52Hi all,So i've been banging my head up against a wall trying to work out what's been going on here...Somehow SysTick_Handler() and so HAL_IncTick() are being optimized out (or just not included) in my Release build.T...

mwp by • Senior
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Possible STM library bug in CAN interrupt routine

Posted on March 23, 2018 at 17:23I am using STM32F072 device and I am using STM library calls for all my CAN routines.  But I notice that occasionally, the main interrupt routine HAL_CAN_IRQHandler(&hcan) would not get called.At the end of my HAL_CA...

Vu.Andy by • Associate III
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FMC Connect

Posted on March 22, 2018 at 10:03Hello, I want to use SDRAM with STM32F429(lqfp100). How can I connect FMC pins to SDRAM.Please can you help me ?

Difference between tsc in L0 and L1

Posted on March 23, 2018 at 16:30Hi, I'm about to start a touch keyboard aroun STM32L052 or STML151, but I'm not sure which one is easier to use.I'm using STM32CubeMX for project inicializacion.1) The keyboard will have 13 keys, and I'll use an STM3...

custom usb device based on hid class

Posted on December 01, 2016 at 00:59Hi! I'm developing a project on stm32f4discovery whit stm32f4407vgt6 MCU. I want to develop a USB code based on hid class  that can receive my command and data from PC and send another command and data to PC but n...

STM32F0 Callback function

Posted on March 23, 2018 at 13:19I am new to embedded world. I am activating the CANBUS peripheral of a STM32F0. I started from the example code of the device given by ST. In the example code there is a callback function that it is executed when the...

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