[Cryptech Tech] STM32 FMC problem

[Pavel Shatov]

On 13.08.2015 10:22, Joachim Strömbergson wrote:
> This seems possible, since we have SysTick interrupt, but on the other
>> hand, that issue is said to only affect revision "A" devices, while
>> I have "3" next to ST logo on my processor. Very strange.
>
> Have you tried to disable SysTick interrupt during FMC read?
> Clearing bit 1 in the SysTick control and status register (STK_CTRL)
> should disable the interrupt. Or disabling all interrupts during read?
> Just to make sure if the problem is in the STM32 itself or in the
> STM23/FPGA interface.

Well, I actually tried disabling SysTick interrupt by calling 
NVIC_DisableIRQ(SysTick_IRQn), but that didn't work. I think, I'll try 
your suggestion later today.

How do I completely disable interrupts, btw?

-- 
With best regards,
Pavel Shatov