Search found 12 matches

by locustcox
Tue Apr 21, 2020 7:53 pm
Forum: Hardware
Topic: Can I delete pins 17-22 from the wroom-32d footprint?
Replies: 4
Views: 1321

Re: Can I delete pins 17-22 from the wroom-32d footprint?

@mikemoy, mainly to reduce vias for some high-frequency rmii signals.

@ESP_Sprite, thanks for the tip, that is an excellent idea.
by locustcox
Mon Apr 20, 2020 7:07 pm
Forum: Hardware
Topic: Can I delete pins 17-22 from the wroom-32d footprint?
Replies: 4
Views: 1321

Can I delete pins 17-22 from the wroom-32d footprint?

Is there any issue with deleting pins 17-22 from the footprint and routing traces under them (protected by soldermaks, of course)? See attached screenshot.
by locustcox
Fri Feb 21, 2020 3:53 pm
Forum: Hardware
Topic: DM9051 SPI Ethernet example?
Replies: 3
Views: 2053

Re: DM9051 SPI Ethernet example?

I second this request. Any engineers at espressif know where dm9051 dev boards can be purchased? I did find this schematic: https://www.dacomwest.de/images/Dateien ... o_v2.1.pdf
by locustcox
Thu Jan 30, 2020 8:42 pm
Forum: Hardware
Topic: How to flash a WROOM module using an FTDI programmer?
Replies: 8
Views: 1476

Re: How to flash a WROOM module using an FTDI programmer?

Clicking the link directly didn't work. Right-clicking and "open in new private/incognito" window worked for me.
by locustcox
Fri Apr 26, 2019 11:59 am
Forum: Documentation
Topic: Documentation Requests/Feedback
Replies: 74
Views: 95398

Re: Documentation Requests/Feedback

Unrelated documentation request: Can you document how aps are sorted when esp_wifi_scan_start() is called? I work in an environment with a TON of wifi access points, and I'd like to only grab the top 10 ssids found sorted by rssi. However, it isn't documented how APs are sorted when esp_wifi_scan_ge...
by locustcox
Thu Apr 25, 2019 2:23 pm
Forum: Documentation
Topic: Documentation Requests/Feedback
Replies: 74
Views: 95398

Re: Documentation Requests/Feedback

Thanks. I saw that link earlier, but it says "Note: Currently this document refers to ESP8266 only. ESP32 has some additional headers." Any idea when the esp32 specific headers might be added there?"
by locustcox
Wed Apr 24, 2019 1:53 pm
Forum: Documentation
Topic: Documentation Requests/Feedback
Replies: 74
Views: 95398

Re: Documentation Requests/Feedback

There really needs to be documentation of the esp32 file header. Where is the checksum stored? Where is the signature stored for image verification? What is the checksum algorithm? We put out own image header into the esp32, and since we need to insert our image size into the image, we have to re-ca...
by locustcox
Sat Mar 23, 2019 2:54 pm
Forum: ESP32 IDF
Topic: NimBLE port for ESP32
Replies: 8
Views: 5418

Re: NimBLE port for ESP32

Any idea if/when this will make it into mainline? The code size reductions would be fantastic. Update: Sorry, didn’t notice that the dates on this topic we’re so recent. It makes me look extremely impatient! I’ve been playing around with some builds of NimBLE and have been impressed. You all did a f...
by locustcox
Tue Feb 19, 2019 10:19 pm
Forum: ESP32 IDF
Topic: [Answered] How to build a subset of the possible components in ESP-IDF?
Replies: 24
Views: 14099

Re: [Answered] How to build a subset of the possible components in ESP-IDF?

Any chance -flto will ever be implemented? Yes, there's a strong chance (but no ETA that I know of). It's not like you all don't have enough on your place, but in our internal projects, we've found up to a 40% reduction in binary size when link-time optimizations are added. Impressive. Is that in E...
by locustcox
Sat Feb 16, 2019 3:46 pm
Forum: ESP32 IDF
Topic: [Answered] How to build a subset of the possible components in ESP-IDF?
Replies: 24
Views: 14099

Re: [Answered] How to build a subset of the possible components in ESP-IDF?

Any chance -flto will ever be implemented? It's not like you all don't have enough on your place, but in our internal projects, we've found up to a 40% reduction in binary size when link-time optimizations are added.

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