Yes, it is supported: serial and network (ethernet and WiFi).
On 1/27/23, James Dougherty <jafr...@gmail.com> wrote: > Outstanding! > > Serial and Network… > > Thank you > >> On Jan 27, 2023, at 10:01 AM, Alan C. Assis <acas...@gmail.com> wrote: >> >> Hi James, >> >> ESP32 is supported, which features do you need? >> >> BR, >> >> Alan >> >>> On 1/27/23, James Dougherty <jafr...@gmail.com> wrote: >>> I haven’t looked at it yet, but I am working on ESP32; is WROOM >>> supported >>> in master or just the S3/C3? >>> >>> >>> On Fri, Jan 27, 2023 at 4:23 AM Robert Alexa <robertalexa2...@gmail.com> >>> wrote: >>> >>>> Hi all, >>>> >>>> What's the current status of this? I'm also interested in adding PTP >>>> support to NuttX, especially on ESP32 if that's possible - I haven't >>>> done >>>> any research yet regarding the hardware capabilities of ESP32 in this >>>> matter. >>>> >>>> As a first step I was thinking of adding support for the PTP daemon, as >>>> Alan suggested. >>>> >>>> Regards >>>> Robert >>>> >>>>> On Fri, 9 Dec 2022 at 07:39, James Dougherty <jafr...@gmail.com> >>>>> wrote: >>>> >>>>> Thanks Arie, >>>>> >>>>> Yes, very true, it depends on your application! >>>>> >>>>> My statement about what makes a good clock is very subjective. This >>>>> all depends on your application, your measurement and of course your >>>>> jitter. >>>>> >>>>> - For Wireless AV, a 10ms gps clock is fine. >>>>> - For Wireless Earbuds, a 10us clock is required with 1us phase max >>>> drift. >>>>> - For Photon measurements, you're in the nano/pico domain... >>>>> >>>>> Accuracy costs money, how well do you need to measure? >>>>> >>>>> So the message is to know your application! Your application will have >>>>> varying time requirements. The infrastructure and machinery for >>>>> relaying and exchanging time is all PTP provides as a tool. >>>>> >>>>> The 802.1AS spec specifies how to manage that clock across multiple >>>>> time domains. >>>>> >>>>> Related, know your latencies! >>>>> >>>>> https://gist.github.com/jboner/2841832 >>>>> >>>>> Best regards >>>>> -James >>>>> >>>>> >>>>> >>>>> On Thu, Dec 8, 2022 at 3:37 AM Arie de Muijnck <nu...@ademu.com> >>>>> wrote: >>>>> >>>>>> Beware of that 1PPS signal. A few years ago I bought several GPS >>>> modules >>>>>> and compared the signals. Some differ by exactly 100ns (within 2ns, >>>>>> the >>>>>> accuracy of my scope) from others, and that is not the width of the >>>>> pulse, >>>>>> that is much wider, I compared only the edge that are comes close to >>>> the >>>>>> others. Maybe I will test again, have a 1 GHz LeCroy now, should be >>>> able >>>>> to >>>>>> do jitter measurements too. >>>>>> Oh, and yes, before someone asks: all antenna and scope cables were >>>>>> the >>>>>> same length... ;-) >>>>>> >>>>>> Arie >>>>>> >>>>>> >>>>>> On 2022-12-08 06:33, James Dougherty wrote: >>>>>>> Related to this, I have a GPS receiver generating PPS interrupts on >>>>>> SAME70. It would be a perfect GMC - Atomic clock sync! >>>>>>> I will look at this when I get a chance. I have a lot of upstream >>>>>> contributions from HW platforms I have done over the last 5 years or >>>>>> so >>>>>> with myself and others ... I need some time to >>>>>>> patch master on upstream -- something for 2023 and now that NuttX >>>>>>> has >>>>>> graduated! Yay! >>>>>>> >>>>>> >>>>> >>>> >>> >
