STM32 MCUs Embedded software

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Forum Posts

STM32F030C6 Entering Bootloader of Virgin Device

Posted on August 06, 2015 at 16:46In the STM32F0 reference manual it states that only the STM32F070x6 and STM32F030xC devices support the empty check for entering the bootloader on virgin devices. Is any way to enter the bootloader on the STM32F030C...

Generic HID on STM32L053

Posted on October 16, 2015 at 11:37We are using STM32L053 in our project. We evaluated the USB data transfer using CDC(Virtual COM port) and USB composite device. However, both of them require specific ST drivers for the PC to recognize the USB devi...

aravinda by Associate II
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  • 6 replies
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USB not working putting the CPU in low power

Posted on October 16, 2015 at 13:39Hi all I've been using the STM32F429 discovery board since a long time with optimal resultsI've been using USB HID device profile successfully for long time.Now I'm trying to put CPU in low power mode (the first ty...

damiano2 by Associate
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STM32F4 Discovery - merge two USB descriptors

Posted on October 16, 2015 at 12:20Dear all, I'm using STM32F4 Discovery board and I wrote two separate projects: Audio USB Device (that uses Audio class USB descriptor)General purpose Device (that uses CDC USB descriptor)How can I merge these tw...

aressia by Associate II
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Problem identification USB CDC Device

Posted on October 13, 2015 at 15:15Hi, I'm using STM32f407 for a USB project. I use CDC class (STM32_USB_Device_Library) for implementing USB device on my OLIMEX EVAL board. When I connect my board to PC, it appear as VCP, as shown in the figure att...

vlr by Associate II
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  • 2 replies
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Problem with file startup_stm32f407xx.S

Posted on October 14, 2015 at 16:37Hi, i'm using STM32f407 for a USB project. I use CDC class (STM32_USB_Device_Library) for implementing USB device on my OLIMEX EVAL board. When i connect my board to PC, it appear as VCP, but device manager says: ...

vlr by Associate II
  • 653 Views
  • 1 replies
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Info USB CDC Device Descriptor

Posted on October 06, 2015 at 16:24Hi, I'm using STM32f407 for a USB project. I use CDC class for implementing USB device on my OLIMEX EVAL board. This is my Device Descriptor: __ALIGN_BEGIN uint8_t USBD_DeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END = ...

vlr by Associate II
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  • 1 replies
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STM32F4 Discovery & Replicating USB Host

Posted on January 25, 2015 at 18:49Hello, I am in the process of developing a board with the STM32F407. On the Discovery MMB997C card, it uses a very convenient USB host interface for programming, debugging,etc, that I would like to also replicate o...