STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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STM32F4 Multi-firmware custom BootLoader

Posted on June 03, 2014 at 09:12Hi all,I've already developped a custom bootloader on SMT32F407 by using USB device port.It works fine.Now, I want to add a new feature to embedded two firmwares in the flash.This feature can provide some facilities t...

pfifre by Associate II
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STM32f4 custom bootloader

Posted on May 31, 2014 at 15:40Hi All, I want to implement my own bootloader instead of using ST's. I read UART BL but it doesn't explain how to implement custom. I implemented BL in the past for freescale 8-bit mcu. Where can I find documentation ...

eran by Associate II
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  • 6 replies
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STM32F072 USB_NOE pin

Posted on May 30, 2014 at 11:24Hello, I'm planning to use a STM32F072 for a USB device. When I browsed its datasheet, I found that PA13 can output USB_NOE as alternate funtion. There is no functional explanation of this pin in the reference manual, ...

fggnrc2 by Associate II
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STM32CubeF4 __HAL_UART_CLEAR_FLAG macro is incorrect

Posted on May 30, 2014 at 03:43The STM32CubeF4 __HAL_UART_CLEAR_FLAG( ) macro is incorrect because it does a read-modify-write. If a status bit becomes set in the USART_SR register by the hardware between the read and the write, that change will be ...

dlkeng by Associate III
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STM32F2 USB-FS-HID not enumerate to Windows

Posted on May 24, 2014 at 21:27Hi All, Using the USB-FS HID device example , STM32_USB-Host-Device_Lib_V2.1.0. Using the FS/Internal PHY with DM DP and VBUS connected to USB Cable. Using a basic custom board with just a STM32F205, power, JTAG, seria...

STM32CubeF4 Nucleo BSP LED control bug

Posted on May 21, 2014 at 03:28In version 1.1.0 of STM32CubeF4, the BSP for the Nucleo boards has an LED control bug - the functions operate in reverse. That is, BSP_LED_On() turns off the Nucleo LED and BSP_LED_Off() turns on the LED. These functio...

dlkeng by Associate III
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