About Michael K

Michael K · 2024-06-13

Cannot Remap Pins My design (custom PCB) is based on the B-G431B-ESC1. I'm trying to swap the V and W PWM channels. I cloned the B-G431B-ESC1 board and just swapped the pin definitions for the V and W high and low channels. No errors during generatio...

Michael K · 2022-01-25

I'm working on a TouchGFX project for a 1.4" screen. The limited size means I'm taking all the space I can get, so widgets are commonly placed near the edges of the screen. If I have a swipe-able widget, such as a ScrollWheel, near the edges of the s...

Michael K · 2021-11-23

I've been working with the L496 application template v3.0.5. In it, the touchscreen i2c memory read is "guarded" by an __disable_irq() call, and followed by __enable_irq(). For example: static uint8_t I2Cx_ReadData(uint16_t Addr, uint16_t Reg, uint16...

Michael K · 2021-09-03

Title says it all. Steps to reproduce:Create new project with L496 Disco Application TemplateOpen Project In CubeIDE, verify build OKOpen IOC in CubeMX. Change nothing, but click the Generate Code button. (Note that there is still an error in TouchGF...

Michael K · 2021-03-23

I have a page with many textboxes in a swipe container, half of which have wildcards. Occasionally the TouchGFX task will freeze (other RTOS tasks continue as normal). Unfortunately I have not yet found a way to reproduce it, however the symptoms are...

Michael K · 2024-06-19

Thank you. Looking forward to the patch. Is there a timeline I can expect to see this released?

Michael K · 2024-06-19

Hi Cedric, thanks for your attention to this matter.The board is not functional as-is. When attempting to start, the motor thunks and bounces off the current limiter of my supply - I expect that when the algorithm attempts to drive V and W, the corre...

Michael K · 2024-06-17

Hi Cedric.I went back to the docs and found that indeed, the phase channels are required to match U,V,W with 1,2,3. However, you have a typo in the documentation (both V and W are pointed to CH2 and CH2N)As for current sensing, the message when creat...

Michael K · 2023-12-05

When you say "inclusion problems" I assume you're referring to trying to import and unit test parts of the STM32 HAL. My article mainly focused on unit testing business logic that sits above the hardware abstraction layer. The example I used the arti...

Michael K · 2023-05-15

@JFieb You are correct that the pointer sizes are different between architectures. In fact, I ran into that very issue when I moved a project's test environment from 32-bit MinGW to 64-bit. To solve this, anywhere I was casting an integer to a pointe...

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Cannot Remap Pins

Increasing Sensitivity to Swipes?

Potentially Dangerous IRQ Disable Before I2C Read in L496 Application Template

When using L496 Application Template, CubeMX wipes out LCD_IO code from TouchGFXGeneratedHAL upon first trivial code generation

Crash in TouchGFX draw() function (waiting on framebuffer semaphore)

Re: Cannot Remap Pins

Re: Cannot Remap Pins

Re: Cannot Remap Pins

Re: Unit Testing STM32

Re: How to add unit tests (google test) to test my software for the STM32? I am unable to find/setup a 32bit toolchain.