STM32 MCUs Embedded software

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

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Forum Posts

RMII with external oscillator

Posted on February 29, 2012 at 10:10Hello, I have a problem to communicate with a PHY when I use an external oscillator for the Ethernet part. If I use the clock generated by the microcontroller (MCO pin) there is no problem, the communication work ...

Problem SDIO+ USB Mass storage device

Posted on February 22, 2012 at 09:48Hi all, I have a problem with SDIO+USB Mass storage device. My eMMC driver now works (in stand alone without USB), and the USB mass storage device also works only if I remove the callbacks functions of init emmc, ...

elharrar by Associate II
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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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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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Stack Corruption - FreeRTOS

Posted on January 02, 2012 at 05:47Hello, We are working on the STM3220-G Evaluation Board. We are using IAR compiler [V6.2] and running a test application with FreeRTOS [7.0.2] and following is the issue: 1. Used sample application code from ST lib...

girish by Associate II
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