About Charlie CHEN

Charlie CHEN · 2024-08-30

Hi , Recently, I`m using STM32H7 MCU to implement Ethernet Application. I have try TCP Client Echo from example code and it works. Then I want to try with MQTT and it always gets fault. And using mqtt_client_connect function, it will return ERR_RTE...

Charlie CHEN · 2024-01-18

Hi All to Professional,I`m using the TouchGFX to work on my custom board. (STM32H7Series)And my environment of software tool.- STM32CubeIDE Ver 1.11.2- TouchGFX Desiger 4.20.0 Here`s the thing~I build the project with CubeIDE and setting all peripher...

Charlie CHEN · 2023-08-10

Hi,I`m using small internal flash MCU for my research, so I need to store all function and data on external flash.The File Extension is called *.stldr that generated from External Loader Algorithm. After programming, all function works fine.Now I con...

Charlie CHEN · 2021-09-02

Hi,I`m using STM32G431 for practicing SPI protocol knowledge, but face some problem like below.I use �?HAL_SPI_Transmit_IT】API to send (0x5A,0xA5) data out, but measure with Oscilloscope and figure out the wrong data.In �?SPI_TxISR_8BIT】show how d...

Charlie CHEN · 2021-03-18

Hi all,I`m trying to demo TouchGFX animation from my own board from CubeMX, and I have searched many method & document but less help,/* My Tool Version */TouchGFX 4.15STM32CubeMX 6.1.1Package: STM32Cube_FW_H7_V1.8.0/********************************...

Charlie CHEN · 2024-09-05

Hi @STea , I work with H750. And using external flash with bootloader.And as attachment, is my setting for MQTT applicatoin. Best regards,

Charlie CHEN · 2024-09-04

Hi @STea, Sorry for lately busy.Thanks for your reply. For more information below,1. Set MPU in 0x30040000 region for protect as the most setting.2. Enable LWIP in all default setting. Only set the Static IP Address3. API Reference to Erik Andersson ...

Charlie CHEN · 2024-02-18

Hi, I have been trying setting more heap or stack size (like 0x2000..) before, but still not work.Or is the H7 Series have enough size for the Demo to work?I search the other solution is said that need external RAM. But don`t know how to implement i...

Charlie CHEN · 2024-01-29

Hi @Mohammad MORADI ESFAHANIASL ,Thanks for your reply! Here is the problem, when I trying to start the Home Control demo, it will stock at the main page and cannot work or touchable, then I debug the code at the stock screen, it stops at the syscal...

Charlie CHEN · 2023-08-10

Hi,Thanks for your reply!Using no matter CubeProgrammer or IDE build-in Programming tool, must select the External Loader file (*.stldr).I add LTDC Initial code in Loader_Src.c file which generate the *.stldr, but LCD not work and LCD clock also no s...

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MQTT Client Problem

TouchGFX Official Demo cannot work completely on custom board problem

External Loader Algorithm with LTDC Initial Failded

SPI Data Register Problem

CubeMX with X-Cube TouchGFX Not Working

Re: MQTT Client Problem

Re: MQTT Client Problem

Re: TouchGFX Official Demo cannot work completely on custom board problem

Re: TouchGFX Official Demo cannot work completely on custom board problem

Re: External Loader Algorithm with LTDC Initial Failded