Search found 6 matches

by joewright
Mon Oct 08, 2018 10:28 pm
Forum: ESP-IDF
Topic: Wifi errors with latest visualgdb update
Replies: 0
Views: 1952

Wifi errors with latest visualgdb update

Anyone else getting SYSTEM_EVENT_STA_DISCONNECTED problems with the rev. 13 visualgdb toolchain? I'm getting totally confused with which verison of the idf is going with what, but I think rev.13 introduced 3.1. Comparing and old working build with the newer gave these differences as well: old: wifi ...
by joewright
Sun Jul 29, 2018 4:21 pm
Forum: General Discussion
Topic: Change edge for I2S
Replies: 2
Views: 3347

Re: Change edge for I2S

Not academic. Getting a somewhat different bit pattern recorded by the esp32 than my logic analyser. The data transition is happening just after the clock rise which means it is unsafe to read on the rising edge. The falling edge is happening when the data bit is stable so it would be good to read t...
by joewright
Sun Jul 29, 2018 1:54 pm
Forum: General Discussion
Topic: Change edge for I2S
Replies: 2
Views: 3347

Change edge for I2S

Hi, how do you change between reading data on rising or falling edges for I2S? The ICS‐43432 is rising edge but looking at the, slightly confusing, SPH0645LM4H-B datasheet, it appears the data is transitioning on the rising edge and should be read on the falling edge (actually, just found some discu...
by joewright
Mon Jul 16, 2018 9:39 am
Forum: Hardware
Topic: Not soldering some pins for space
Replies: 4
Views: 5145

Re: Not soldering some pins for space

Thanks, I actually started giving 4 layers a go yesterday, and as you say, it doesn't seem to hard.

Thanks for the advice on my crazy ideas though :)
by joewright
Sun Jul 15, 2018 10:26 am
Forum: Hardware
Topic: Not soldering some pins for space
Replies: 4
Views: 5145

Re: Not soldering some pins for space

Thanks, I might give it a go. I know it's a bit hacky but I just doing it as a development stage, not for later prototypes or production. My problem is that I have a physical space requirement which means the board can't be wider than the width of the esp32 module. This means I can't route out from ...
by joewright
Sat Jul 14, 2018 6:23 pm
Forum: Hardware
Topic: Not soldering some pins for space
Replies: 4
Views: 5145

Not soldering some pins for space

Hi, don't know if this is a stupid question, but is it ok to leave some pins on the ESP32-WROOM-32D unsoldered so there's more space to route traces in space restricted situations? For example, could I omit pads for pins 17-22 as these are used for the internal flash, and route spi or sdio on the to...