STM32 MCUs Embedded software

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STM32L082CZ Boot0 Pin

Posted on February 10, 2017 at 20:30Datasheet does not explain the settings corresponding to boot0 pin high or low - could I please get some information on this for the csp-49 package which only has boot0 and no other boot configuration pins. #stm32...

Resolved! How to receive variable length I2C messages?

Posted on February 10, 2017 at 07:20Hello, I'm trying to write an I2C slave using HAL which can accept variable length packet sizes.  I know this question has been asked before but haven't seen any solutions yet! The master can send data packets of ...

sasha by Associate III
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Resolved! STM32F767 - Fail to access uart bootloader

Posted on January 26, 2017 at 15:09Hello,I'm using a STM32F767BI and I want to use the bootloader functonnality. I want to use USART1 (PA9/PA10) and the BOOT0 pin. I read AN2606 and I use pattern 9  (nDBANK(bit) = 1, Boot(pin) = 1 and BOOT_ADD1(opti...

Erase before new Flash write in STM32F0xx

Posted on February 05, 2017 at 14:27Hi.I am working on STM32F072RB MCU. I can able to Program and Erase the Flash Page. But, I have few doubt about Flash programming:). Sometimes the Data is not written in Flash, when i erase a same and write again ...

STM32L432KC HAL_PCDEx_BCD_VBUSDetect Bug

Posted on February 04, 2017 at 04:11I am using CubeMX with the STM32L4 1.5.2 library. [EDIT -- just confirmed that this exists in 1.6.0 as well]The non-OTG implementation of HAL_PCDEx_BCD_VBUSDetect() will only call  HAL_PCDEx_BCD_Callback() with PC...

firmware download from usb

Posted on January 30, 2017 at 17:36Hi,I am using stm32f429 mcu and i can use usb communication with my board. I want to learn how to download my hex file to mcu from usb port of the mcu. In other words i want to use a simple gui software on my compu...

er3481 by Senior
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STM32Cube/HAL USB CDC - TX Complete Callback?

Posted on December 14, 2016 at 06:10Hi all,Does anyone know of the 'correct' way to get a call back when the previous transfer has been completed?The USB CDC has the TxState status variable which is cleared when a transmission is complete, but i don...

mwp by Senior
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