Resolved! Writing data on internal flash of STM32f76
Hello, I want to take data from ADC input and store them on the internal flash memory of my STM32f769i-discovery board. Can you help me about the use of flash memory? Thank you.
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Flashing extnernal NOR 2-times with Openocd in a row fails
Hello,we are trying to flash the external NOR flash at address 0x90000000 with Openocd 2-times and get an error at the second flash try: Open On-Chip Debugger > program /home/xyz/kr.elf [stm32h750xbh6.cpu0] halted due to debug-request, current mode: ...
How to interface SD card with STM32L5 NUCLEO with SDMMC and FatFS
I am having trouble with getting FatFS to work with SDMMC. When I try to do f_mount, I keep getting an FR_NOT_READY error. It seems to be coming from when initializing the SD card in sd_diskio.c. The tutorials I have found online seem to have the BSP...
Resolved! STM32G0B0 USART1 data incorrect
- STM32G0B0 USART1 receiving RS485 data via interrupt driven data collection. Our micro is attached to a RS485 interface(38400, 8,N,1) receiving BACnet data. The data taken on the 485 bus is different from what we receive in the USART buffers. We h...
X-cube-classb support for STM32H7 and STM32L4 using single version?
Looking to add self test to a project using both STM32L4 and STM32H7While going through the versions of x-cube-classb, it appears versions 2.2.0 must be used for STM32L4 and version 2.3.0 and further for STM32H7.Is there a way to use same version of ...
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Resolved! How PLL affects timer Pre-sclaer.
Below i have attached a code which enables the PLL freq of 72MHz using HSI of 16MHz. The issue is if I give a Timer pre-scaler of 36000-1 (I am using timer2, which in case of STM32F401RE is on APB1 bus so using a pre-scaler of 2 for APB1 which makes ...
Resolved! UCPD activation crashes STM32U5 MCUs - hardware bug?
Using Nucleo-U575ZI-Q (rev X) board I try to do a PoC - a very simple UCPD source app providing default USB 5V and 0.5A max. With undocumented onboard SB8-10 shorten this probably can be accomplished. I know this board does not provide output current...
Resolved! CRC16-DNP calculation error
Hi,Im trying to get CRC16 - DNP from a string array that its the next:char Message2[] = { 0x00, 0x00, 0x00, 0x29, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x31, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x32, 0x30, 0x36, 0x33, 0x57...
Bitwise shift left STM32F723
Hi there i m a student working on STM32F723 the first time, I encountered an register setting example as follows: GPIOC->MODER |= ((2<<(6*2)) \ (2<<(7*2))); i konw its setting the GPIO register but whats the meaning of * and 2<< at the beginning sen...
