STM32 MCUs Embedded software

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Resolved! Write/Read SPI directly (no ISR) using LL

Hallo to everybody.Still working on SPI&Display  adapting a code for M4 (see Different data after the 1st transfer using SPI via DMA ).I need to write only one byte at a time due to control pins of display.Starting from a NUCLEO-H563ZI and LL example...

TheRaprus by Associate III
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SPI crc error every time

Hello everyone, I have enabled an spi1 port on a STM32G473CET6 as a slave and am using a raspberry pi as a master.I have verified with known packets to ensure I have implemented the correct crc algorithm on the raspberry pi both in transmission and r...

STMaspirant_0-1732566292501.png STMaspirant_1-1732566526918.png STMaspirant_4-1732567303619.png STMaspirant_3-1732567224523.png

ADC mutli channel, DMA odd behaviour

Hello, I'm developing a power meter board.I'm using an STM32F427VIT6 and I need to read the analog values of 4 different channels (PA0 - PA3).Since I need to calculate the RMS value of the measurement and i need the data points to be evenly spaced in...

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BRapo.1 by Associate II
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Resolved! Threadx On-the-fly update

Hello, I'm trying to find more information regarding ThreadX's on-the-fly properties update feature. In the ST Wiki article, there is mention of this feature, but none of the links and webpages seem to provide any details regarding what this feature ...

printf() not working

I have used this method many times on this board (Nucleo-H743ZI) to transmit printf() to usart3 using the following: int __io_putchar(int ch) { /* e.g. write a character to the USART3 and Loop until the end of transmission */ HAL_UART_Tra...