STM32 MCUs Embedded software
Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.
Forum Posts
Can you kindly help me to get system bootloader working?
Im my system based on STM32H753 I would like to use system bootloader by USART1.After struggling with my PCB without getting bootloader working then I switched to NUCLEO-H743ZI2 board.From AN2606 I know that PA10 is RX input and PA9 is TX output so I...
STM32 Composite Device
Hi there,i am working on a composite device with STM32F4 and i got it working.I get in the device manager a MSC device and a serial com port. The issue now is i can't open the com port with any terminal program it doesn't respond.Anyone have experien...
Resolved! How to benchmark SD Card Write Speed on STM32F7.
https://community.st.com/s/question/0D50X00009XkgpsSAB/fatfs-sdio-dma-write-speedI'm trying to write WAV files to SD card on my STM32F7 Discovery board and I've finally gotten round to setting up a DMA + FATFS + SDMMC. My sampling rate is around 1Ms...
Resolved! How Can I get the battery level using "GPIO_Analog" ?
I'm using "STM32L452CC". PA11 pin in connected to battery level checking part. But I can check only ADC1_EXTI11, and I'm using ADC1_IN5,6,7,8,9(PA0,1,2,3,4 pins) DMA_cirgular.So, for battery level checking, I wanna use "GPIO_Analog". But i cannot sea...
Could someone please carefully explain or show a Write Memory Command example (using USART)? (Ref. AN3155, pages 18 - 21) The main confusion is what to send after 'Byte 8' , below I try to show an example of writing 0x42424242 to 0x200001a0 (in RAM).
Sent: 0x7F // Test PatternReceived: 0x79 // ACKSent byte 1: 0x31 // WRITE commandSent byte 2: 0xCE // WRITE command complementReceived: 0x79 // ACK Sent byte 3: 0x20 ...
Bootloader and USB detection on windows
Hello,I m a little bit lost. I want to create a midi board which plug on computer via USB port.I wanted to ask this question on stm32duino forum but seems to be down for a long time (I planned to user stm32duino to program). Can I ask question here ...
Incorrect readings ADC12_COMMON register
Tests STM Studio Ide and microcontroller from the stm32G474 series. The debugger incorrectly reads the ADC12_COMMON register values. When I read the registers into the variable, everything is ok, it's correctly set. I attach a photo.
HAL_PCD_EP_Transmit could not transmit on IN EP 0x81 for custom HID
Hello USB HID gurus !How I can send on IN endpoint 0x81 for HID Custom Descriptor with HAL ?I use USBD_CUSTOM_HID_SendReportand endpoint is 0x81 until #define EP_ADDR_MSK 0xFUI can see my report data on USB Bus Analyzer at OUT EP 0x1 and...
