Re: CANFD on ST32H7

2021-03-05 Thread John Rippetoe
pr is up https://github.com/apache/incubator-nuttx/pull/2987 - John On 3/4/21 4:54 PM, Nathan Hartman wrote: On Thu, Mar 4, 2021 at 3:49 PM John Rippetoe wrote: The fact that I have not done this yet has been haunting me for months. I think I sorted out the issues in the meantime and am tryi

RE: STM32H7 ethernet hardfaults

2021-03-05 Thread David Sidrane
Hi James, > Do you guys have any iperf numbers for UDP on H7? No, I do not. But not that iperf is in apps, it should be easy to get. David -Original Message- From: James Dougherty [mailto:jafr...@gmail.com] Sent: Friday, March 05, 2021 9:45 AM To: dev@nuttx.apache.org Subject: Re: STM32

Re: STM32H7 ethernet hardfaults

2021-03-05 Thread James Dougherty
Wow, nice! Thank you guys! David, nice description of the descriptors, it looks like zero padding is being done by the MAC. Do you guys have any iperf numbers for UDP on H7? On Fri, Mar 5, 2021 at 7:15 AM John Rippetoe wrote: > Wow, that was fast David! Good find on the cache invalidation issu

Re: STM32H7 ethernet hardfaults

2021-03-05 Thread James Dougherty
That “thing i quoted” *was* the ethernet spec - THE NORMAL STANDARD - the latest version 802.3-2018 going for about $1000 USD. And like I said, there is no such thing as a "Jumbo" frame, it's not IEEE standard, the spec shows that also. therefore saying "it's already a jumbo frame" is meaningless

Re: Can Haltian signal SGA?

2021-03-05 Thread Xiang Xiao
After searching my email achieve, it seems that you forgot to reply the invitation email. I will forward you again, please follow the instructions in the email. Thanks Xiang On Fri, Mar 5, 2021 at 7:15 AM Ken Pettit wrote: > Hi Xiang, > > I seem to recall some time ago receiving an email reques

Re: Project specific power management configuration

2021-03-05 Thread Matias N.
Hi, I'm not entirely sure what is the specific control over PM you need but some time ago I introduced the notion of "governor" which lets you select either the activity based one (which uses a specific algorithm to control states), a greedy governor (which lets an application directly control

Re: Can Haltian signal SGA?

2021-03-05 Thread Ken Pettit
Hi Xiang, I seem to recall some time ago receiving an email requesting signature of this or a similar agreement, but couldn't remember exacly when or from whom that was sent. Is this the same agreement I should sign for the contributions I had made? I recall there was some specific proceedu

Re: STM32H7 ethernet hardfaults

2021-03-05 Thread John Rippetoe
Wow, that was fast David! Good find on the cache invalidation issue. I'll get your fix running on my board to verify the hard faults have been resolved. Thanks everyone for all of your input and help! - John On 3/5/21 9:11 AM, David Sidrane wrote: PR is in. Please have a look and test with t

RE: STM32H7 ethernet hardfaults

2021-03-05 Thread David Sidrane
PR is in. Please have a look and test with the default CONFIG_NET_ETH_PKTSIZE. All should be happy now. :) https://github.com/apache/incubator-nuttx/pull/2985 -Original Message- From: David Sidrane [mailto:david.sidr...@nscdg.com] Sent: Friday, March 05, 2021 1:26 AM To: 'dev@nuttx.apache

Re: Can Haltian signal SGA?

2021-03-05 Thread Juha Niskanen (Haltian)
Hi Xiang, I have forwarded this to our management. I'm not a lawyer, but I think my contributions to Nuttx have been assigned as part of my employment agreement (I personally don't really care at all, if I "own" them or not) and some of my commits might include content originally written by oth

Re: STM32H7 ethernet hardfaults

2021-03-05 Thread Johnny Billquist
On 2021-03-05 05:35, James Dougherty wrote: Technically, the MTU should be 1496 of you use VLANs, or else it's actually already a jumbo frame. The total size according to the ethernet spec is really 1518. Larger are not allowed. VLAN information is actually a part of the payload. Yes, 1518 is

Project specific power management configuration

2021-03-05 Thread Cis Van Mierlo
Hi all, Me and my colleagues (NXP mobile robotics) encountered a problem and we would like to start a discussion on how to solve that. We're making a development board using NuttX and we would like to add the power mode configuration to it. But this needs to be specific for this "project". The

Can Haltian signal SGA?

2021-03-05 Thread Xiang Xiao
Juha, could you please discuss with your manager whether is it possible for Haltian to sign "Software Grant Agreement" for NuttX? http://www.apache.org/licenses/contributor-agreements.html So we can convert Haltian's contribution from BSD to Apache license(e.g. https://github.com/apache/incubator-n

RE: STM32H7 ethernet hardfaults

2021-03-05 Thread David Sidrane
Hi, Thank you all for sharing your Networking and dcache expertise! The descriptors and buffers are all aligned and sized for the dcache line size. The problem is the following. (The value of number do not matter, but help express the nature of the problem.) If CONFIG_NET_ETH_PKTSIZE is the def