STM32 MCUs Embedded software
Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.
Forum Posts
Resolved! What is the bare minimum code to get USB CDC working reliable?
Title pretty much asks the question itself, so what is the bare minimium code to get "Comport" working reliable? for now it seems that i can call CDC_Transmit_FS X amount of times before usb is getting locked(Always returning BUSY flag, from next wri...
Error compile under EWARM
STM Support gave me stm32f7xx_discovery_audio.c & .h, but .c will not compile under EWARM, giving over 100 errors. Can someone please tell me how to configure, compile and use stm32f7xx_discovery_audio.c please ?Regards,Martin James Lawrence
HAL_I2C_Slave_Receive_DMA
When I use the I2C DMA receive mode, how could I know the data has been received? I found if I use the delay to check the data, it seems it could work, but actually, we don't know when the data will be coming. so there should have a mechanism to tell...
Ethernet frame sent twice when using stm32f7xx_hal_eth driver.
Hello,So I've been trying to send a raw ethernet frame using only stm32f7 hal ethernet driver without LWIP. The frame is sent, however it is always sent with a duplicate. I need to send only one frame.Is there a solution for this ?Thanks.
Resolved! How to change USB COM Port of name ?
Excuse me.Can I change COM Port of name in keil C ?if there is no way , how to change it name ?
Resolved! Program stmf401re in DFU mode
Hi,I have custom board for stmf401 and I try to program it in DFU mode. I set the boot0 to 1 and reset the chip but it is not recognized as DFU device. (not listed in the DfuSe).Do I miss any procedure or settings?(I have connected the PA11/PA12 pins...
Why does the STM32F407 send a STALL on USB_FS?
Hi,I'm using STM32F407 and try to establish a USB communication. Until now the device is present in the system and is also able to send and receive bulk transfers. To test the functionality I wrote a simple example:if MCU receives a string of 5 chara...
Resolved! Using the built-in bootloader on a STM32H743 (Nucleo-144)?
Hello,I am attempting to use the built-in bootloader to flash code to the STM32H743 Nucleo-144 using the USART. I have tried two methods: following the flow chart in AN2606 Figure 48, and jumping directly to the bootloader, but so far neither method ...
