Hi Matias, No, AFAIK there is nobody working on camera support.
BR, Alan On 4/2/21, Matias N. <mat...@imap.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>) 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> 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> >>>>>> 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 >
