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LVers.1
Associate III
since ‎2021-10-18
‎2023-10-24

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seems access to the backup domain is not granted when calling RTC_EnterInitMode() and RTC is clocked by LSI, at least on STM32WB55

2022-01-31
Recently i experimented with the RTC modules and came accross an issue where HAL_RTC_Init() fails because RTC_EnterInitMode() fail with HAL_TIMEOUTAfter debugging, it seems that HAL_PWR_EnableBkUpAccess() need to be called before HAL_RTC_Init()It app...

STM32WBxx spi HAL driver seems buggy when transmitting in 8 bit modes (not interrupt nor DMA driven).

2021-11-30
In STM32Cube_FW_WB_V1.12.1 the function HAL_SPI_Transmit() increase buffer point per sizeof(uint16_t) when sending data in 8 bits mode; this lead to 1 byte every 2 bytes not being send out. See the below snippet from HAL_SPI_Transmit() /* Transmit da...

How to compile a project using touchGfx for target, not simulator ?

2021-11-21
I'm working on a project using touchGfx and expected to be running on a WB55 processor (this is not important, except for that there is no WB55 based existing demo for touchGfx). So i used STM32MX to configure some basic items, amongst which the fact...

where to programmatically swich screen ? In view or in presenter ?

2021-11-16
From my understanding, in the MVP model implemented by touchGfx, the view is intended to manage the UI element of a screen while the presenter is intented to manager the logic running in background (for instance hiding/showing elements based on infor...

Seems there is a name conflict between the "class LCD" (defined in LCD.hpp) and the #define LCD (in stm32wb55xx.h) when trying to build a project running touchGfx on a stm32WB55 mcu.

2021-10-18
When building a freshly generated project using touchGfx on a stm32WB55 mcu, compiler complains about../Drivers/CMSIS/Device/ST/STM32WBxx/Include/stm32wb55xx.h:1084:29: error: expected identifier before '(' token 1084 | #define LCD (...
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