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NGros · 2022-02-15

Hi all,i have to readout temperature and humidity of a dhc3021 sensor. Therefore, an Arduino code section is already given: Wire.beginTransmission(HDC_ADDR); // Readout temp and rh data Wire.write(0xE0); Wire.write(0x00); Wire.endTransmission(fa...

NGros · 2021-12-06

Hi all,I got a strange issue. I'd like to use USART3 or UART5 on my STM32F446 chip. We have the chip on a pcb, so I am not talking about the nucleo board. The issue is when I do the system_clock_config(), the listed uarts does not work. void init() ...

NGros · 2021-09-23

Hi all!I got something new for you. We have a pcb with an STM32f446re chip on it. For stability reason, we put an 20Mhz external clock on it, but the problem is, we are still running on 16Mhz (measured it with a toggled gpio on the oscilloscope.) The...

NGros · 2021-09-20

Hi!I am operating on an STM32F446 chip and I have the following issue:I tested out a communication system where I attached a 912600 baud communication with another device via UART1 on a STM32f446 NUCLEO Board. All worked out well, no errors or other ...

NGros · 2020-12-10

Hi there!I want so offset the application in the flash at 0x08004000, so that I can use the first sector 0 for individual persistent data. I found out that I have to change the following lines:FLASH (rx) : ORIGIN = 0x8004000, LENGTH = 496K (Linker ...

NGros · 2021-09-24

Thanks @Community member , your advice with the stm32fxxx_hal_conf,h HSE definition was correct, it was defined as 25MHz instead of 20Mhz.

NGros · 2021-09-23

I upscaled the peripherial clock speed (APB) now it's working great. (How can I switch a question to "Solved" in this forum? :) )

NGros · 2021-09-23

Highly appreciate your answers, thx!

NGros · 2020-12-11

Thanks!! Btw.: The shematic shows that BOOT0 Pin is pulled down to ground, that means (according to datasheet), Main Flash memory is selected as the boot area. How is it possible then to flash a custom bootloader at 0x08000000 without overwriting the...

NGros · 2020-12-10

Thanks for that helpful answer! I honestly don't know how to do that, do you have a good reference for it?

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How to implement repeated start for I2C?

Why are my uarts not working after rcc clock configuration?

[SOLVED] Why does my external clock (HSE) configuration not work?

912600 baud rate criteria on UART1 interface?

Set boot address on stm32f446 nucleo

Re: [SOLVED] Why does my external clock (HSE) configuration not work?

Re: 912600 baud rate criteria on UART1 interface?

Re: 912600 baud rate criteria on UART1 interface?

Re: Set boot address on stm32f446 nucleo

Re: Set boot address on stm32f446 nucleo