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EXTI11 with SPI1 on STM32U575

I am using the gpio interrupt (EXTI) and trying to tie with SPP1. Only EXTI4_TRG and EXTI9_TRG are defined in stm32u5xx_hal_spi_ex.h for group1. Is that possible to define EXTI11_TRG in the group1? 

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winzaw by Associate
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Resolved! Error Detection for SPI DMA Master->Slave

Hello,I have an STM32F373 and setup a master uC and slave uC to communicate over SPI with DMA enabled.  I send a fixed packet size of 10bytes and have set the DMA size to 20bytes in case I need a double buffer for my solution.  I  enabled a SS/CS out...

LMorr.3 by Senior II
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  • 4 replies
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Best way for 2 STM32 MCUs to communicate

Hello,I am considering using 2 STM32F373 in my project.  One uC will be for a control panel, and the second uC will accept commands to produce DAC and PWM output.  What is the best way to have them exchange data?  Should I use SPI?  I see i2c is not ...

LMorr.3 by Senior II
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  • 8 replies
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Resolved! Facing an issue with power on reset

Hi, I was facing one issue..while running firmware in my device (stm32f4)in the middle suddenly controller got restarted, when I checked that RCC reset status register and I got to know that power on reset ,but I didn't restart my device only , May I...

Resolved! STM32H747AI

Hello,I am relatively new here and would like to try to design a STM32H747AI board with LiPo battery power supply for wearable devices with features like OLED microdisplay, WiFi+Bluetooth and GNSS module. Since I would like to run a GUI on it with sm...

Bus fault when running ARM DSP functions

1. I am implementing a custom extended kalman filter function. The program on running hits HardFault handler on the 4th iteration (prediction function).2. Cortex-M4->CFSR = 0x8200 (BFARVALID=1)3. BFAR holds : 0xa5a5a5a5I am not able to understand whe...

nalostta by Associate
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  • 3 replies
  • 1 kudos