About DavidWahlberg

DavidWahlberg · 2024-06-18

Hi i am struggling to make SPI work on my nucleo-h723z board. I am using Cubemx to configure and i press when asked to used the default setup for the nucleo board when creating the project.CubeIDE is v. 1.15.1CubeMX is v. 1.11.1my code is very basic:...

DavidWahlberg · 2024-06-04

HiI have made a custom PCB based on STM32H723VGT MCU and KSZ8863RLL with interface RMII. I have followed the Hardware Design Guide for the KSZ8863. Including 100 Ohm impedance from RJ45 to PHY and 50 Ohm impedance from PHY to STM32. Length matching i...

DavidWahlberg · 2024-05-28

HiI am trying to develop a board based on ethernet connection. I have bought a nucleo-h723z board to get started.I would like to have a ping example up and running, but I have not succeeded...I am using CUBEIDE V. 1.15.1 and CUBEMX V. 6.11.1.I have c...

DavidWahlberg · 2024-05-14

I am struggling to get ethernet to work on my custom PCB H723. I have succeeded develop an ethernet LWIP application on H723 NUCLEO board though.I have more or less copied the schematic of the NUCLEO board, however when running the LWIP_init function...

DavidWahlberg · 2023-11-28

I am programming a STM32 nucleo-f746ZG development board where I am using USART2 with RX interrupt.I have setup USART using CubeMx (async, baud:250Khz, data: 8, stopBit: 2, noParity). I am reading a single byte from a DMX stream by calling HAL_UART_R...

DavidWahlberg · 2024-06-18

Thank you for your reply!!The pin configuration from cubeMx:* I only scope SCK, MISO and MOSI on logic analyzer.Setup is attached (_1781.png).

DavidWahlberg · 2024-06-04

Thank you for the tips! And exited to hear about your own project!By comparing the development board schematic I found it very similar with my own. There are a lot of jumpers on the board to configure, for instance auto-negotiation etc... Not sure w...

DavidWahlberg · 2023-11-29

HiI managed to find the issue by stepping.The RxCompleteteCallback will, what I have experienced, always be called first and afterwards ErrorCallback only ifHAL_UART_Receive_IT(&huart2, byteRead_buff, 1) (1 byte).I was at the very end of RxCompleteCa...

DavidWahlberg · 2023-11-28

Thank you for fast reply!I am aware that i can check each type of error. The problem is that reading the value of huart->ErrorCode is 0, and because of that, none of the if statements will be true.my error callback is:void HAL_UART_ErrorCallback(UART...

DavidWahlberg · 2023-11-20

Hi @FMeye.2 Did you have any luck getting the key? I am also working on a DMX project on a STM32F7.Friendly regards, David

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No data on MOSI spi STM32H7

Custom PCB, STM32H7 and KSZ8863RLL, RMII

cant ping nucleo-h723 dev board using lwip

Issue when init lwip_init using LAN8742 and STM32H723 custom board RMII

uart_ERROR callback triggered but errorCode is zero

Re: No data on MOSI spi STM32H7

Re: Custom PCB, STM32H7 and KSZ8863RLL, RMII

Re: uart_ERROR callback triggered but errorCode is zero

Re: uart_ERROR callback triggered but errorCode is zero

Re: STM32 Receive Multiple DMX Universes