STM32 MCUs Embedded software

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Using external power supply and USB at the same time

Posted on February 16, 2012 at 15:27I'm wondering if it is safe to have a 5V power supply connected to the EXT_5V pin at the same time as the board is connected to the computer via USB (from which the board also derives a 5V supply). The Discovery u...

rdmisc by Associate
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virtual COM port installation

Posted on February 13, 2012 at 07:19from CD00158241.pdf   ''To install the software driver of the Virtual COM port, download and execute the �Virtual Com Port Driver Setup� from the STMicroelectronics website: www.st.com. At the end of the installa...

STM32F103RB capable of USB Host?

Posted on February 14, 2012 at 22:49Title says it all. I'm looking at purchasing a USB host stack, and one of the vendors mentioned that perhaps the F103 doesn't support Host mode.  I'm just trying to do something simple:  datalogging to a USB flash...

mtanner by Associate
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Mass Storage Demo speed in HS mode

Posted on February 01, 2012 at 00:06Hi,What is the transmission speed of Mass Storage Demo application when download from PC to the uSD SDHC card in USB High Speed mode?How long it takes to  transfer  e.g. 10MB file? Can anybody have checked it on S...

osia by Associate
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FreeRTOS interrupt

Posted on January 30, 2012 at 08:09Can I get an explanation on how interrupt controller in FreeRtos porting is configured. I read the documentation published in freertos.org but I didn't understood if I can use my USERS interrupts from configMAX_SYS...

elharrar by Associate II
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USB HID Joystick - disconnect pin

Posted on January 23, 2012 at 23:11HelloMy STM32F103RBT6 is working good as joystick with USB HID until operating system perform restart, do you think my application is using incorrent disconnect pin ?Then OS recognize it, but device does not change...

zexx86 by Associate II
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How to dump ULPI PHY registers

Posted on January 20, 2012 at 05:00I need to dump ULPI PHY registers. I use STM32F207IGT6 and STmicro provided USB library. Device is in MSC mode. I was trying to find it out myself but code is quite convoluted. Thanks. #ulpi #usb #stm32f20

dragan by Associate II
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