[sdiy] STM32G4 SAI problems

rburnett at richieburnett.co.uk rburnett at richieburnett.co.uk
Sun Jul 16 20:50:08 CEST 2023


Thanks, this is very useful to know.  Sorry for being an STM32 newb!

-Richie,

On 2023-07-16 18:25, Vladimir Pantelic via Synth-diy wrote:
> On 7/16/23 16:39, rburnett at richieburnett.co.uk wrote:
> 
>> It is certainly generating *some* code, as I can look through what it 
>> puts into "main.c" in between the comment lines.  And I know not to 
>> put my own code in the wrong places where it will get deleted ;-)  I 
>> probably need to slow down and walk before I try and run.  More 
>> "blinky LED" and "Hello World" examples for me I think before trying 
>> to get a CODEC interface working, and carefully look what code the 
>> config tool is generating each time a pin or clock is configured to do 
>> something new.
>> 
>> -Richie,
> 
> yes, main.c is one place, but Cube puts all the chip/HW specific code 
> into stm32g4xx_hal_msp.c, look for:
> 
> void HAL_SAI_MspInit(SAI_HandleTypeDef* hsai)
> 
> there. one exception are pure GPIOs, these are indeed set up in main.c
> 
> also, the IRQ handlers are put into:
> 
> stm32g4xx_it.c
> 
> 
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