STM32 MCUs Embedded software

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Forum Posts

STM32F105 USB OTG Host Device Mode switching

Posted on March 19, 2014 at 11:00Hi,I have integrated the Host MSD and Device VCP into a project. I am struggling to find an example of how to switch between the Host/device mode when a �A� USB cable (flash stick ) and a �B� USB cable (connected to ...

colin by Associate II
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Where Does a USB Device ACK Requests From Host?

Posted on March 19, 2014 at 13:31I've got a STM32F427 running as a USB device (HS, if that matters). Using a USB analyzer, I can see that the request from the host to set a device address is getting to the micro, but it fails to ACK the SETUP packet...

jvavra by Associate III
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  • 1 replies
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STM32L152 as USB host

Posted on March 10, 2014 at 05:24Has anyone used the STM32L series USB in host mode? I'm looking at this part at design-in stage. I need the Capsense feature but I also need to use USB in host mode to support optional WiFi.. The ''circuit diagram''...

i2 by Associate II
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STM32F205RBT6 USB host example - for pendrive

Posted on March 10, 2014 at 06:07Is there any example code on how to use it.I have used sd card with fat32 format & created a test file.Now when user conect external pen drive to system then I have to write that text file from sd card to pen drive. ...

embedded by Associate
  • 385 Views
  • 1 replies
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Bugs in STM32 USB-FS-Device development kit

Posted on March 08, 2014 at 06:52 Hi I've just found a nasty bug while developing a CDC-ACM firmware that reads word values from class-specific requests. The byte order in USBwIndex was reversed, so after a little debugging I found these...

shogoonn by Associate
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STM32F4DISCOVERY USB Audio Device works but ...

Posted on March 12, 2013 at 07:22I have got the USB Audio Device example working on the stm32f4discovery board . When connected to my laptop via usb , the board can be recognized as an speaker. There is audio output from the headphone when play musi...

luhong by Associate
  • 375 Views
  • 1 replies
  • 0 kudos