STM32 MCUs Embedded software

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AFR settings for USB pins using CubeMX

Posted on November 10, 2014 at 19:46I am using the CubeMX interface to setup MSC class USB device software for my STM32L1 device. I notice that as part of USB initialization nowhere in the code are the GPIO AFR settings corresponding to USB DM and U...

bnp979 by Associate III
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STM32F072 USB HID related question

Posted on January 02, 2015 at 10:44Dear all, I'm working on a STM32F072-based device that needs to exchange data with PC in both directions. I chose the USB HID, because of data volumes are really not impressive and there is no need to install addit...

Lwip delayed ack problem with demo example

Posted on December 30, 2013 at 15:45Hi, I am using STM3220-G Eval board. Sample application ST library - \STM32F2x7_ETH_LwIP_V1.1.0\Project\FreeRTOS UDP_TCP_Echo_server-netconn. No any changes to the examples. No any changes to the board. To tes...

nic by Associate
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SD_ReadBlock weird behaviour

Posted on December 30, 2013 at 14:46 Hello Community, I am trying to implement FatFS via SDIO interface on a STM32F2xx uC, I've checked a few examples online that use DMA and interrupts, however for the purpose of self learning and simpl...

dmg0048 by Associate II
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Shared CAN/USB SRAM on STM32F042C6

Posted on December 28, 2014 at 19:46I am hoping to use a STM32F042C6 to communicate over both USB and CAN simultaneously. I am aware that older devices had issues with this due to a shared 512 SRAM buffer. I am wondering if this is still true on the...

eric2399 by Associate
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STM32L1xx DFU bootloader in FLASH memory problems

Posted on April 02, 2014 at 16:49Hello, I have following objective and problems: I want to have USB bootloader on STM32L1xx devices. My starting point is DfuSe demonstration example on PC side and Device_Firmware_Upgrade from STM32_USB-FS-Device_Lib...

pa2 by Associate II
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  • 5 replies
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