STM32 MCUs Embedded software

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Smooth RTC calibration issue in STM32l431

I cannot get smooth calibration to work in STM32l431. This is the code: void HW_RTC_Init(void) { LL_RTC_TimeTypeDef time; LL_RTC_DateTypeDef date; LL_RCC_LSI_Enable(); while(LL_RCC_LSI_IsReady() == 0) { } LL_RCC_SetRTCClockSource(LL_RCC_RTC...

RFlod.2 by Associate III
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Resolved! STM32F767 single/dual bank in CubeIDE

Hi,Currently my STM32F767 is coming up in dual bank mode (I'm not sure why, since this does not seem to be the default) but I want to turn this off so I get the full 2Mbytes.However, I can see from AN4826 that if I turn off dual bank mode while the s...

Clarity on RAM STL Tests

  I am using STM32L476JE. I wish to use STL api to test 128kb of RAM as startup test for my device. I have come across some example codes but there seems to be confusion around the subsets.If possible can you share an example code snippet for the sam...

MIPI-DSI LTDC configuration lcd

Hello everyone, I need help with a DSI + LTDC configuration.I'm working on a custom board with an STM32H747BIT and trying to drive a 720x1280 RGB888 display without GRAM, using the ILI9881C controller via DSIHOST + LTDC.Here’s the situation:I’m curre...

Optimization breaks SPI code on L562

L562 processor.  SPI1.  Blocking mode.  Two sequential writes, second write variably returns error.code:// uses CS if USE_CS is set to CS_ACTIVE (default) // CS is not used if USE_CS is set to CS_INACTIVE uint32_t HAL_SPI::Send( uint8_t* cmdpt...

Resolved! Hard Fault during tx_sempahore_get()

I have a custom board with a STMU5F7VJT, programmed over SWD, with an on board MMC and a usb connector. I am trying to access the onboard MMC with FileX and ThreadX. Using USBX, I can access the MMC just fine, and even format it from my computer, so ...