STM32 MCUs Embedded software

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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...

STM32L4 XMODEM using USB CDC Interface

Posted on February 03, 2017 at 17:57I'm trying to implement an XMODEM file transfer through the USB CDC Interface on an STM32L4 processor in Full-Speed and seem to be having issues with XMODEM 132 byte packets getting split up and one of the middle ...

jacob2 by Associate III
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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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STM32L4 discovery OTG HOST Problem

Posted on February 01, 2017 at 10:43Hai,   i am using STM32L476 Discovery Board.For USB Device it is working Perfectly. For OTG Host,mass storage class with USB disk FATFS the pen drive is not mounting on the Host STM32.Give me the solution for this...