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Duplicated OUT report in HID

Posted on June 24, 2017 at 19:12I am developing HID application on STM32F427 with STM32_USB-Host-Device_Lib_V2.2.0Works mostly fine, but once in a while (quite often, actually), when Windows app sends command to the controller (OUT report), it's dup...

Ethernet reception - STM32F437

Posted on June 23, 2017 at 23:37We used to have a simple PHY attached to the MII port and it seems the less you did to configure it the better. Now we have replaced it with a Marvell 10 port switch. Two of the ports have no phy and are setup to talk...

John Hite by Associate III
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STM32L471 WFI problem

Posted on June 20, 2017 at 17:43On STM32L471 (DEV_ID=0x6415, REV_ID=0x1007)~4% of mcus do not enter standbymode and ignore the WFI instruction.Does anyone have ideas how to get it working on all mcus? (tested with 150 pieces)Is there any known bug/p...

damh by Associate II
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Backup SRAM write failure (STM32F446)

Posted on June 22, 2017 at 07:20Hello.I have an issue using the backup SRAM on a STM32F446.The backup SRAM is used to store calibration data  which must be retained in case of a power fail reset. For that I connected the VBAT pin to a capacitor whic...

STM32F103C8 DSP Library problem

Posted on June 19, 2017 at 12:02Hello thereCan I compile the DSP library with STM32F103C8 device. I would like to import FFT using DSP library with this chip. But I get many errors when I compile the library.compiling main.c....\Library\DSP Library\...