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SPI slave transmit receive trouble

Hello,I am working with a STM32F446ZET6 and using it as an SPI slave.I use the function HAL_SPI_Transmit_Receive_IT function to receive 4 bytes of data.It used to work properly in our conception, for example when the master sends 0x12, 0x34, 0x56, 0x...

Saredo by Associate III
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  • 9 replies
  • 1 kudos

Double I2C Own address STM32F0

Hi all,I'm facing a problem with the implementation of a double Own address on a STM32F030K6T6 uC. the project is already working but with only 1 Own address on OAR1 (code 42 hex), now I want to update the project to enable the reception of another c...

Configure GPIO through registers

Hi i m learning to configure GPIO using registers, and come across the following code, can anyone kindly help to advise the following? what does the whole sentence do? what does the (volatile....) means, what does GPIO_OUT_DATA(0) does and what does ...

Resolved! STM32U585RIT6 and STM32U585RIT6Q

Hi I've been searching for some info about these two MCUs and I need some clarifications.1. What is the difference between STM32U585RIT6 and STM32U585RIT6Q?2. On page 150 of DS13086, STM32U585xx datasheet, regarding power supply scheme, I can see the...

el659_0-1704713155510.png el659_0-1704715877034.png
el659 by Associate III
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  • 2 replies
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Resolved! SPI DMA Correct Implementation

Hi, I am trying to use DMA in my project for SPI and noticed there are 2 type definitions as below:-  SPI_HandleTypeDef hspi1; DMA_HandleTypeDef hdma_spi1_tx;  Which one do I need to use for SPI transmission as I am having problems using 'hspi1' as b...

Linkpad by Associate III
  • 1023 Views
  • 3 replies
  • 1 kudos

Resolved! RAM data retention in Standby mode

Hiwhen the STM32F103 enter the standby mode, it has the lowest power consumption. And it said the voltage regulator is switched off. And all of the data in the RAM will be lost except the backup ram and register of the RTC.But I tested it, the data w...

HF.Wang by Associate II
  • 1946 Views
  • 3 replies
  • 0 kudos

Resolved! STM32F4 TIMER INTERRUPT NOT HAPPENİNG

Hı everyone, ı was trying to design basic timer project in register level about toggling on related led pin every 1 second. However, the led is on a few seconds after that it is off and never becoming on. When ı do the same project in HAL library, it...