> Is this a dual bank part? Is so you can avoid the bus lock by operating on
> the other bank.
Well, eventually this is what I ended up using.
It works perfectly in this configuration.
It is just that memory mapping had to be changed, and this ended up to be
an effort.
> Yes, they are called
I think it may be necessary to put some parts of the NuttX kernel into RAM
so that it can keep executing while the bus is stuck.
I don't know off the top of my head whether we currently have a built-in
way to do that.
Yes, they are called ramfuncs and are automatically copied to RAM at
Is this a dual bank part? Is so you can avoid the bus lock by operating on
the other bank.
-Original Message-
From: Nathan Hartman
Sent: Tuesday, November 30, 2021 5:35 AM
To: dev@nuttx.apache.org
Subject: Re: Kernel ticking and progmem writes
On Tue, Nov 30, 2021 at 8:05 AM Fotis
On Tue, Nov 30, 2021 at 8:05 AM Fotis Panagiotopoulos
wrote:
> I found the issue.
>
> From the STM32F427 manual:
>
> > Any attempt to read the Flash memory on STM32F4xx while it is being
> written or erased,
> > causes the bus to stall. Read operations are processed correctly once the
> program
I found the issue.
>From the STM32F427 manual:
> Any attempt to read the Flash memory on STM32F4xx while it is being
written or erased,
> causes the bus to stall. Read operations are processed correctly once the
program
> operation has completed. This means that code or data fetches cannot be
On Tue, Nov 30, 2021 at 5:55 PM Fotis Panagiotopoulos
wrote:
> Hello everyone,
>
> I have some issues with the watchdogs and possibly the scheduling of the
> kernel.
>
> I am not sure if this is a bug, or if I am miss-using something...
>
> I am working on an STM32F427, and I am using the
