Thanks Alan. I'll probably give it a try. Best, Matias
On Fri, Apr 2, 2021, at 20:43, Alan Carvalho de Assis wrote: > Hi Matias, > > No, AFAIK there is nobody working on camera support. > > BR, > > Alan > > On 4/2/21, Matias N. <mat...@imap.cc <mailto:matias%40imap.cc>> wrote: > > I've looked into this a bit further. It seems NuttX supports the OV2640 > > command interface (via I2C) with video/ov2640.c driver. However, the data > > transfer is handled separately. From what I read, on ESP32, the I2S > > peripheral is used to handle the data transfer using DMA. So this means that > > an ESP32 specific driver would need to be written so that it transfers image > > data using I2S. > > > > Any chance anyone already did this? Seems a bit complex. > > > > Best, > > Matias > > > > On Thu, Apr 1, 2021, at 12:18, Matias N. wrote: > >> I'm merely experimenting myself but as a test I will try to read the > >> camera and offer images via a webserver. I believe the camea is supported > >> in NuttX already. > >> > >> Best, > >> Matias > >> > >> On Thu, Apr 1, 2021, at 11:40, Grr wrote: > >>> I have a bunch of those modules I plan to use as security cameras and > >>> automation control nodes, preferably under NuttX, so I have a couple of > >>> questions: > >>> > >>> 1-How far away is the camera support? > >>> > >>> 2-How about WiFi? > >>> > >>> TIA > >>> Grr > >>> > >>> > >>> El jue, 1 abr 2021 a las 8:34, Matias N. (<mat...@imap.cc > >>> <mailto:matias%40imap.cc>>) escribió: > >>>> __ > >>>> Yeah, I was under the impression it was single core due to the "S" as in > >>>> the figure below. But you're right > >>>> that ESP32-S is not a valid Espressif part number. This is the module I > >>>> was refering to: > >>>> > >>>> It makes sense that it is actually the normal dual-core chip inside. > >>>> > >>>> Best, > >>>> Matias > >>>> > >>>> On Thu, Apr 1, 2021, at 11:23, Sara da Cunha Monteiro de Souza wrote: > >>>>> Besides that, > >>>>> here we can see all the "official" series of Espressif: > >>>>> https://www.espressif.com/sites/default/files/documentation/espressif_products_ordering_information_en.pdf > >>>>> Or a more simple and interactive way, using the product selector: > >>>>> https://products.espressif.com/#/product-selector > >>>>> So, ESP32S or ESP32-S modules are from third party. > >>>>> > >>>>> > >>>>> Em qui., 1 de abr. de 2021 às 11:14, Sara da Cunha Monteiro de Souza > >>>>> <saramonteirosouz...@gmail.com > >>>>> <mailto:saramonteirosouza44%40gmail.com>> escreveu: > >>>>>> Hi Matias, > >>>>>> These devkits with cameras and sd card slot with ESP32S modules are > >>>>>> third party modules and the S doesn't necessarily stand for "single > >>>>>> core". > >>>>>> I recommend take a look at this post to see the differences between > >>>>>> different devkits: > >>>>>> https://diyprojects.io/esp32-cam-which-model-choose-esp-eye-aithinker-ttgo-tcamera-m5stack/#.YFJoh-1KhH4. > >>>>>> FY, this is how you can interpret Part numbers of ESP32 modules : > >>>>>> image.png > >>>>>> And if you don't have this information and you have the devkit on > >>>>>> hands, you can use esptool to discover this information from your > >>>>>> ESP32 > >>>>>> by using the following command: > >>>>>> > >>>>>> esptool.py --port /dev/ttyUSB0 chip_id > >>>>>> > >>>>>> You should have something like this: > >>>>>> > >>>>>> Serial port /dev/ttyUSB0 Connecting..... Detecting chip type... ESP32 > >>>>>> Chip is ESP32-D0WDQ6 (revision 1) Features: WiFi, BT, Dual Core, > >>>>>> 240MHz, VRef calibration in efuse, Coding Scheme None Crystal is 40MHz > >>>>>> MAC: 9c:9c:1f:ea:6e:5c > >>>>>> > >>>>>> It can be very useful to know other information as you can see, for > >>>>>> example, the chip revision. > >>>>>> > >>>>>> But regarding the support for this DevKit, the board implementation is > >>>>>> relatively simple, but we still > >>>>>> don't have the I2S driver for the camera. > >>>>>> > >>>>>> > >>>>>> Em qui., 1 de abr. de 2021 às 10:49, Matias N. <mat...@imap.cc > >>>>>> <mailto:matias%40imap.cc>> > >>>>>> escreveu: > >>>>>>> Hi, > >>>>>>> I'm considering buying one of those ESP32 modules which includes the > >>>>>>> camera and SD card and I noticed it seems it comes with a single-core > >>>>>>> variant of the typical ESP32 module. > >>>>>>> I looked around NuttX and I think there's no explicit support yet but > >>>>>>> I imagine it shouldn't be hard to add, right? > >>>>>>> > >>>>>>> Best, > >>>>>>> Matias > >>>>> > >>>>> *Attachments:* > >>>>> * image.png > >>>> > >>> > >>> *Attachments:* > >>> * image.png > >>> * image.png > >> > >> > >> *Attachments:* > >> * image.png > >> * image.png > > >
