About EtienneLJ

EtienneLJ · 2023-10-30

Hello,I'm struggling with a really strange issue. I'm trying to make UART RX working on a STM32G4 custom board.I've followed the UART Interrupt tutorial. (https://wiki.st.com/stm32mcu/wiki/Getting_started_with_UART)I've tested it with Nucleo-G431RB a...

EtienneLJ · 2023-10-31

What do you mean by power-cycle ? Just cut off power and re-power ? if so, yes i did it multiple times.Anyways, thanks for your precious help, both of you.

EtienneLJ · 2023-10-31

I found a solution by adding "#define USER_VECT_TAB_ADDRESS" to the beginning of system_stm32g4xx.c. The interrupt vector table was not set correctly.So what I did wrong when I've generate the code with MXCube ?And why my old code was working on the ...

EtienneLJ · 2023-10-31

EXTI9_5_IRQHandler what should points to this function ?

EtienneLJ · 2023-10-31

Looking at EXTI registers. the bit 5 of EXTI_FTSR1 is well set and when applying a 0 level on this pin the bit 5 of EXTI_PR1 is set to 1.

EtienneLJ · 2023-10-31

It points to the if statement of the while(1) loop in main.c.The program never reaches HAL_EXTI_IRQHandler. (I tried to toggle a GPIO in it)

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