STM32 MCUs Embedded software

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

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STM32 USB OTG MSC

Posted on April 19, 2016 at 18:00 Hi, I'm using an STm32F107 and I trie to configure the USB interface as host to access to an key. This is the initialization code : MX_USB_HOST_Init(); MX_FATFS_Init(); with : ...

b2399 by Associate II
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wfi instruction kills RTOS

Posted on July 29, 2016 at 04:22I have the 32F746G DISCOVERY. I am using IAR tools.I�m using that PCB to adapt my STM32F4xxx RTOS to the Cortex-M7 product line. I had a bit of trouble putting my ROM image at 0x0800000 and my RAM starting at 0x200000...

picguy2 by Associate II
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Bootloader and STM32F091

Posted on July 27, 2016 at 17:24 Hi everybody, I try to make a bootloader with my STM32f091 to copy a new firmware to my boards using the Power Line Current. First, I bought the evaluation kit (STEVAL-IHP005V1), it works very without a...

USB Device Library MaxPower after enumeration

Posted on July 27, 2016 at 11:50Hi!We're using ST USB Device Library. My question is about MaxPower field in device configuration descriptor.Let's assume that we have value 0xFA which means that we want 500mA from USB port. That's fine since host sh...

Need help with FatFS and Long File Names

Posted on July 27, 2016 at 06:18 Hi all, I’ve been banging my head against an issue with FATFs and long file names. I’m writing a series of files to an SD card, and I’m composing the filenames from the date and time each file is created. The ...

Driver Porting to CMSIS

Posted on July 27, 2016 at 08:40Hello all, I am a newbie in STM32 as well as CMSIS RTOS. We have selected STM32F429 as our controller. We need to make our entire application/drivers to be CMSIS compliant. As per our initial analysis, we found there...

lullaby by Associate
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USB Host CDC

Posted on July 25, 2016 at 22:32 Hi, I want to use the USB Host CDC. For this I use the HAL library and the middleware layer Here is my code: #include ''uart_USB.h'' #include ''usb_host.h'' #include ''usbh_core...

guigui by Associate II
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STM USB OTG Device Library enumeration

Posted on July 25, 2016 at 09:18Hi!We're using STM USB Device Library on STM32F429. I've been looking for this for two days but with no results. Is there any way to tell if the device has been enumerated? Preferably some callback after enumeration i...

CubeMX generated custom HID project does not enumerate

Posted on July 19, 2016 at 06:13Started an example project generated by CubeMX and plugged the USB cable into the development PC.  Please observe the following error.  I think the report descriptor might be ill-formed: it's only 2 bytes, and ends wi...

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hmc by Associate III
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