ragarnoy[m]: > <@ragarnoy:matrix.org> btw is this how I can acquire the content ? doesn't seem to compile
> 
> ````rs
>         unsafe {
>             // Borrow a mutable reference to the SpiDevice
>             let spi_ref = SPI_INSTANCE.borrow_mut();
> 
>             // Perform the SPI transfer
>             let unlock = spi_ref.get_mut();
>             unlock.write(buffer).expect("SPI transfer failed");
>         }
> ````

error[E0599]: the method `write` exists for mutable reference `&mut Cell<Option<&mut dyn SpiDevice<u16, Error = Infallible> + Send>>`, but its trait bounds were not satisfied