About VHEMaster

VHEMaster · 2025-02-24

Initially, there was CubeIDE project for STM32H747XI without TouchGFX and without C++ accordingly. Everything was ok, startup, linker or HAL init sequence were not touched. Everything worked (DSI, LTDC, I2C, etc.)Time later, I added TouchGFX into pro...

VHEMaster · 2025-02-11

Greetings!I have a board with STM32H747XI and SN65DSI84-Q1 as a converter from DSI to LVDS.The issue is that I can not get video output from MCU to 2ch LVDS panel 1920x720 with any configuration I'm trying. The main issue is that I'm getting HAL_DSI_...

VHEMaster · 2022-03-26

Good day everyone.Trying to make SAI work in TDM mode with DMA on STM32F746.Need to transmit 8 stereo channels, the sample is 16-bit long. So 16 * 2 * 8 = 256 bit frame.Init code: hsai_BlockA1.Instance = SAI2_Block_A; hsai_BlockA1.Init.Protocol = S...

VHEMaster · 2020-07-04

Good day everyone.I'm trying to build application for dual-core MCU STM32H747XI on Disco board:Cortex-M4 core initializes System clock, QSPI and SDRAM and boots M7 coreCortex-M7 does all of dirty job like executing instructions from QSPI and etc.I tr...

VHEMaster · 2025-02-26

I found the workaround. Doing TIM17 as tick source is not a solution.The root cause is that __libc_init_array calls C++ constructors for static objects. TouchGFX depends on RTOS API and constructors call it before osKernelInitialize which caused unex...

VHEMaster · 2025-02-25

Hi @GaetanGodart ,The clock issue you mentioned is not related to SysTick issue. The one where RTOS recommends the usage of TIM instead of SysTick, is also not related. Please read topic description very carefully. The one that breaks SysTick is __li...

VHEMaster · 2025-02-18

@KDJEM.1 Unfortunately, it doesn't solve an issue of no DSI video output.

VHEMaster · 2025-02-18

@KDJEM.1 Thanks for an answer!The CubeMX configuration is not relevant, because it's a pain to regenerate code each time after some field changed. And this particular error is a known bug of CubeMX: it doesn't allow to select PWR_DIRECT_SMPS_SUPPLY a...

VHEMaster · 2025-02-17

I have ported this project to test on STM32H747I-DISCO board (just changed the PLL configuration) and got the same result: still HAL_DSI_ERROR_OVF occured. Also, checked HAL_DSI_PatternGeneratorStart function with LTDC disabled on demo project - it ...

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No SysTick interrupt generated after __libc_init_array call on C++ environment

STM32H747 - DSI overflow error, no video output

STM32F746: SAI doesn't work in TDM mode

STM32H747I-DISCO bricked after unchecking ECM7 bit on STM32CubeProgrammer

Re: No SysTick interrupt generated after __libc_init_array call on C++ environment

Re: No SysTick interrupt generated after __libc_init_array call on C++ environment

Re: STM32H747 - DSI overflow error, no video output

Re: STM32H747 - DSI overflow error, no video output

Re: STM32H747 - DSI overflow error, no video output