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by danergo
Tue Oct 13, 2020 3:08 pm
Forum: Troubleshooting
Topic: RPi4 Bluetooth: connection timeouts 9 times of 10 to a specific peripherial
Replies: 3
Views: 475

Re: RPi4 Bluetooth: connection timeouts 9 times of 10 to a specific peripherial

Sorry, no.

RPi4's BT is very unstable, and noone could help.
by danergo
Tue Jun 23, 2020 2:55 pm
Forum: Troubleshooting
Topic: RPi4 Bluetooth: connection timeouts 9 times of 10 to a specific peripherial
Replies: 3
Views: 475

RPi4 Bluetooth: connection timeouts 9 times of 10 to a specific peripherial

Hi, I'm using RPi4 for communicating with a BLE peripherial devices via gatttool: # gatttool -b OTHERWORKINGDEVICE --characteristics handle = 0x0002, char properties = 0x0a, char value handle = 0x0003, uuid = 00002a00-0000-1000-8000-00805f9b34fb ... I have at least 3 peripherial devices which I can ...
by danergo
Tue May 26, 2020 12:32 pm
Forum: Graphics, sound and multimedia
Topic: HDMI to CSI-2 via TC358743 on kernel 4.1
Replies: 708
Views: 301643

Re: HDMI to CSI-2 via TC358743 on kernel 4.1

If you don't need low latency, fragmented mp4 can also be used, it's very common nowadays in online VOD. Params should be like this:

Code: Select all

-i - -c:v copy -an -movflags +frag_keyframe+empty_moov+faststart -f mp4

Latency is measured in seconds, but I did not need it to be any lower.

Thanks very much!
by danergo
Mon May 25, 2020 11:09 am
Forum: Graphics, sound and multimedia
Topic: HDMI to CSI-2 via TC358743 on kernel 4.1
Replies: 708
Views: 301643

Re: HDMI to CSI-2 via TC358743 on kernel 4.1

Hi! I'm trying to achieve a simple task again: I'd like to stream the HDMI stream to a VLC player on the same local subnet. Device is PI0W, HDMI source is 1920x1080, with UYVY to fit into PI0W's CSI. (grabbing one frame works, and saving a raw h264 with yavta also works). What I've tried: ./yavta -f...
by danergo
Sun May 24, 2020 7:37 am
Forum: Graphics, sound and multimedia
Topic: HDMI to CSI-2 via TC358743 on kernel 4.1
Replies: 708
Views: 301643

Re: HDMI to CSI-2 via TC358743 on kernel 4.1

6by9: thanks so much. (this thread is a bit long, and just tried to hunt down the right infos)

After loading the 1080P50EDID, and adding the "stream-skip=1" I got the perfect frame.

Thank you!
by danergo
Sun May 24, 2020 6:16 am
Forum: Graphics, sound and multimedia
Topic: HDMI to CSI-2 via TC358743 on kernel 4.1
Replies: 708
Views: 301643

Re: HDMI to CSI-2 via TC358743 on kernel 4.1

Hi, guys. I have a little problem with getting one frame from the HDMI input, please help! There is a notebook (Win10) with 2 external HDMI monitors, both are running FHD (1920x1080@60Hz). Now I want to capture the screen from one of these monitors, so I applied for this TC358743 board, and hooked t...
by danergo
Sat May 23, 2020 2:20 pm
Forum: Graphics, sound and multimedia
Topic: HDMI to CSI-2 via TC358743 on kernel 4.1
Replies: 708
Views: 301643

Re: HDMI to CSI-2 via TC358743 on kernel 4.1

My above issue is kindof solved: I thought my HDMI is running on 1920x1080, but this capture script uses 1280x720. And for converting uyvy to anything you have to specialize the width and height, and with 1920x1080 it was always an early EOF error. After setting it to 1280x720 imagemagick could conv...
by danergo
Sat May 23, 2020 12:30 pm
Forum: Graphics, sound and multimedia
Topic: HDMI to CSI-2 via TC358743 on kernel 4.1
Replies: 708
Views: 301643

Re: HDMI to CSI-2 via TC358743 on kernel 4.1

If you just want a single frame in the native format of the source, then use v4l2-ctl v4l2-ctl --set-dv-bt-timings query v4l2-ctl -v pixelformat=UYVY v4l2-ctl --stream-mmap=3 --stream-count=1 --stream-to=foo.uyvy You can add --skip-count=N to skip some frames at the start of the stream. Post proces...
by danergo
Fri Apr 24, 2020 7:01 am
Forum: Other
Topic: Pi Zero W not able to handle SSL (https) downloads [DietPi]
Replies: 0
Views: 392

Pi Zero W not able to handle SSL (https) downloads [DietPi]

I have a new Pi Zero W. I'm trying to install a Debian (DietPi) onto it but it always fails. I don't have a keyboard and external monitor, so I choose a headless install with predefined wifi key and SSID. The problem is absolutely wierd (wlan0 interface works for sure, because that's the only way no...
by danergo
Sat Oct 14, 2017 7:54 am
Forum: Compute Module
Topic: Compute Module Test Board
Replies: 108
Views: 38595

Re: Compute Module Test Board

I used 4 layer PCB because of me seeing the usb and ethernet lines be almost to their exact ohm specs while being relatively thin and not taking up alot of space on the PCB compared to 2 layer, plus the 2 middle layers is ground and ground only so the 2 outer layers are for all the lines. not sure ...
by danergo
Thu Oct 12, 2017 2:01 pm
Forum: Compute Module
Topic: Compute Module Test Board
Replies: 108
Views: 38595

Re: Compute Module Test Board

Hello, Guys, First of all, thank you Briarios for this work. Could you explain a few words, why do you recommend using 4 layer setup in Eagle? I know that it is possible with 2 layers as well, and I have some experience with 4 layers. What I don't really get, is how did you planned the layers? I mea...

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