STM32 MCUs Embedded software

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Resolved! USB CDC Power request

Does the STM USB CDC driver support power negotiation? If so please could someone point me to where I configure a request for more than the default 100mA.I'm using STM32F407 and CDC is working nicely but the computer only shows that 100mA is reques...

PMath.4 by Senior III
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ST official example code (stm32cube_fw_l4_v1140->32L496GDISCOVERY-> QSPI_MemoryMapped )has optimization "Instruction scheduling" bug!

Official board: STM32L496G-Discovery board(MB1261B)IAR version: 8.32.3.2028Example code : QSPI_MemoryMapped (location: stm32cube_fw_l4_v1140\STM32Cube_FW_L4_V1.14.0\Projects\32L496GDISCOVERY\Examples\QSPI\QSPI_MemoryMapped)​The demo code run the WRO...

adong by Associate
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  • 1 replies
  • 1 kudos

UART RX overrun at specific condition

Hello again!I've got (another) weird problem working with both H743 and H750 (rev X and rev V). Here is my setup:SYSCLK = 400 MHz (from HSI RC)UART8 = 100 MHz, Async mode, only RX/TX, 19200-8-1-NUSART1 = 100 MHz, Async mode, only RX/TX, 19200-8-1-NUS...

Peaga by Senior
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  • 2 replies
  • 0 kudos

FAT SD card works, FAT32 doesn´t. Why?

Hello everybody,i am using a STM32F401RE nucleo board and have implemented USB as mass storage device and a SD card with SDIO 1 bit mode.When I am using 2 GB SD card with FAT. Everything works like a charm. Windows shows me the SD card after 1 second...

JCorn.2 by Associate II
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  • 3 replies
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STM32F4 ==> LwIP_DNS

Hello sir, I want to use DNS for my project, but it is not easy, I need your help. From now, I succeed to port IP address. but it is failed to use DNS. I set the DNS on the STMC32CUBEMX and checked in the file <<Lwipopts.h>> =================Procedur...