Let's say I have a private, monolithic git repo where I store my docker compose server configurations.
The folders are in a structure like this:
/ root
|- project1/
Samantha Finnigan sjmf
🐝
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| # Combined composite descriptor read from CH9329 (359 bytes, verified | |
| # from 0x81 capture). As CH9329 is a composite device, it presents a | |
| # convenient HID descriptor to emulate. | |
| # | |
| # Contains Report IDs: 1=keyboard, 2=system-ctrl, 3=consumer-ctrl, | |
| # 4=relative-mouse (RID 0x04, range -127..127), 5=absolute-mouse (RID 0x05, | |
| # range 0..4095 for both X and Y), 6=vendor-HID. | |
| # Wire capture confirms the real LC announces the CH9329 composite descriptor | |
| # on PORT=0x01 (HP/HM, P2 in the UC 0x12 keepalive). | |
| # Use as: CH9350Comm(port, state=STATE_0, kbd_desc=CH9329_DESC, |
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| [sniff LC] Opening /dev/cu.usbserial-0001 @ 115200 8N1 log=tmp/s3_lc.txt | |
| 22:19:54.408787 [LC] [sync: skipped 1B: 00] | |
| 22:19:54.411561 [LC] 57 ab 86 | DEVICE_NOTIFY [] | |
| 22:19:54.675123 [LC] 57 ab 80 ff | LED_STATUS [0xFF unknown] | |
| 22:19:54.675596 [LC] 57 ab 89 | STATUS_ANNOUNCE [] | |
| 22:19:54.889148 [LC] 57 ab 80 ff | LED_STATUS [0xFF unknown] | |
| 22:19:59.509114 [LC] 57 ab 04 01 00 02 00 03 00 00 | MOUSE_ABS btn=0x00 x=2 y=3 wheel=0 | |
| 22:19:59.510436 [LC] 57 ab 04 01 00 04 00 05 00 00 | MOUSE_ABS btn=0x00 x=4 y=5 wheel=0 | |
| 22:19:59.562138 [LC] 57 ab 04 01 00 05 00 06 00 00 | MOUSE_ABS btn=0x00 x=5 y=6 wheel=0 |
sjmf
/ absmouse_uc.txt
Last active
May 3, 2026 21:03
CH9350L state-2 mode bidirectional capture (issue #13)
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| [sniff UC] Opening /dev/cu.usbserial-2130 @ 115200 8N1 log=tmp/absmouse_uc.txt | |
| 22:01:55.610957 [UC] 57 ab 12 00 00 00 00 00 07 ac 20 | UC_KEEPALIVE p1=0000 p2=0000 led=0x00[-] status=0x07[p0enum,p1enum,uart] ver=ac20 | |
| 22:01:55.663372 [UC] 57 ab 12 00 00 00 00 00 07 ac 20 | UC_KEEPALIVE p1=0000 p2=0000 led=0x00[-] status=0x07[p0enum,p1enum,uart] ver=ac20 | |
| 22:01:59.528460 [UC] 57 ab 12 00 00 00 00 00 07 ac 20 | UC_KEEPALIVE p1=0000 p2=0000 led=0x00[-] status=0x07[p0enum,p1enum,uart] ver=ac20 | |
| 22:01:59.629656 [UC] 57 ab 12 00 00 00 00 00 07 ac 20 | UC_KEEPALIVE p1=0000 p2=0000 led=0x00[-] status=0x07[p0enum,p1enum,uart] ver=ac20 | |
| 22:01:59.681114 [UC] 57 ab 12 00 00 00 00 00 07 ac 20 | UC_KEEPALIVE p1=0000 p2=0000 led=0x00[-] status=0x07[p0enum,p1enum,uart] ver=ac20 | |
| 22:01:59.736437 [UC] 57 ab 12 00 00 00 00 00 07 ac 20 | UC_KEEPALIVE p1=0000 p2=0000 led=0x00[-] status=0x07[p0enum,p1enum,uart] ver=ac20 | |
| 22:01:59.790835 [UC] 57 ab 12 00 00 00 00 00 07 ac 20 | UC_KEEPALIVE p1=0000 p2=0000 le |
sjmf
/ sniff_emu.txt
Last active
May 3, 2026 10:25
CH9350L UART bus sniff — bidirectional capture (LC + UC), real keyboard + mouse source, with 0x81 Device Connection Frames decoded
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| [sniff UC] Opening /dev/cu.usbserial-110 @ 115200 8N1 log=sniff_emu.txt | |
| 11:20:15.089867 [UC] [sync: skipped 1B: 00] | |
| 11:20:15.090985 [UC] 57 ab 12 00 00 00 00 00 07 ac 20 | UC_KEEPALIVE p1=0000 p2=0000 led=0x00[-] tail=07ac20 | |
| 11:20:16.229085 [UC] 57 ab 12 40 00 03 15 00 04 ac 0b | UC_KEEPALIVE p1=4000 p2=0315 led=0x00[-] tail=04ac0b | |
| 11:20:21.431744 [UC] 57 ab 12 40 00 03 15 00 07 ac 20 | UC_KEEPALIVE p1=4000 p2=0315 led=0x00[-] tail=07ac20 | |
| 11:20:42.524922 [UC] 57 ab 12 40 00 03 15 00 07 ac 20 | UC_KEEPALIVE p1=4000 p2=0315 led=0x00[-] tail=07ac20 | |
| 11:21:15.102974 [UC] 57 ab 12 40 00 03 15 00 07 ac 20 | UC_KEEPALIVE p1=4000 p2=0315 led=0x00[-] tail=07ac20 | |
| 11:21:18.694012 [UC] 57 ab 12 40 00 03 15 00 07 ac 20 | UC_KEEPALIVE p1=4000 p2=0315 led=0x00[-] tail=07ac20 | |
| 11:21:22.332487 [UC] 57 ab 12 40 00 03 15 00 07 ac 20 | UC_KEEPALIVE p1=4000 p2=0315 led=0x00[-] tail=07ac20 |
sjmf
/ sniff_com4_3.txt
Created
May 2, 2026 22:11
CH9350L UART bus sniff — real keyboard + mouse source (HID boot protocol, verified decoder output)
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| [sniff] Opening COM4 @ 115200 8N1 log=sniff_com4_3.txt | |
| 22:44:04.451 57 ab 86 | STARTUP_0x86 [] | |
| 22:44:04.704 57 ab 80 ff | STARTUP_0x80 [0xFF] | |
| 22:44:04.934 57 ab 80 ff | STARTUP_0x80 [0xFF] | |
| 22:44:04.935 57 ab 82 a3 | HEARTBEAT io=3 | |
| 22:44:04.935 57 ab 82 a3 | HEARTBEAT io=3 | |
| 22:44:04.991 57 ab 82 a3 | HEARTBEAT io=3 | |
| 22:44:04.992 57 ab 82 a3 | HEARTBEAT io=3 | |
| 22:44:05.044 57 ab 82 a3 | HEARTBEAT io=3 |
sjmf
/ sniff_com4.txt
Created
May 2, 2026 22:10
CH9350L UART bus sniff — CH9329 bridge as USB source (absolute mouse, state 0/1 frames verified)
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| [sniff] Opening COM4 @ 115200 8N1 log=sniff_com4.txt | |
| 03:38:11.226 57 ab 82 a3 | HEARTBEAT io=3 | |
| 03:38:12.257 57 ab 82 a3 | HEARTBEAT io=3 | |
| 03:38:13.227 57 ab 82 a3 | HEARTBEAT io=3 | |
| 03:38:14.305 57 ab 82 a3 | HEARTBEAT io=3 | |
| 03:38:15.288 57 ab 82 a3 | HEARTBEAT io=3 | |
| 03:38:16.280 57 ab 82 a3 | HEARTBEAT io=3 | |
| 03:38:17.310 57 ab 82 a3 | HEARTBEAT io=3 | |
| 03:38:17.547 57 ab 83 0a 23 05 00 d5 03 66 0e 00 c9 1a | KEY_PAIRED ser=0x23 MOUSE_ABS btn=0x00 x=981 y=3686 wheel=0 ctr=C9 sum=1AOK |
sjmf
/ ch9350_poc.py
Last active
May 3, 2026 18:48
CH9350L lower-computer protocol PoC — kvm-serial issue #13
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| #!/usr/bin/env python3 | |
| """ | |
| CH9350L UART protocol PoC — issue #13. | |
| Two subcommands: | |
| sniff PORT passively decode frames on a serial line. Tag with --tag | |
| LC/UC for two-port bidirectional captures (merge logs by | |
| timestamp afterwards). | |
| emulate PORT drive a real CH9350L upper computer from this host: send |
sjmf
/ probe_qt_camera_enumeration.py
Created
April 23, 2026 14:50
Probe Qt5 QCamera enumeration. Standalone hardware-verification script.
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| #!/usr/bin/env python | |
| """ | |
| Probe Qt5 QCamera enumeration. Standalone hardware-verification script: prints | |
| every attached camera and its supported viewfinder settings, so changes to Qt | |
| or the operating-system camera stack can be smoke-tested against real devices. | |
| Mirrors what kvm_serial/backend/video.py:enumerate_cameras() does at runtime, | |
| but with verbose per-device output and timing so behaviour can be inspected | |
| without launching the GUI. |
sjmf
/ verify_avfoundation_alignment.py
Last active
April 21, 2026 17:48
Verify AVFoundation and OpenCV device alignment
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| #!/usr/bin/env python | |
| """ | |
| Verify that AVFoundation and OpenCV enumerate cameras in the same order. | |
| Identity check (not just count): opens each OpenCV index in turn, then scans | |
| AVFoundation devices for the one whose dimensions match to the default dims of | |
| the device. That uniqueID is the ground-truth identity of the OpenCV-opened device. | |
| The script compares against our enumerator's ordering and reports the real mapping. | |
| Run with multiple cameras attached: |
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