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en/device-IPC-RM1-BLK7202V3-M43A-WIFI.md
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@ -13,7 +13,9 @@
- [TODO](#TODO)
# Overview
Board found in cheap indoor Cootli WiFi PTZ cam. Looks very similar to XM IPG-G4-WR-BL but PCB layout a bit different.
Board found in cheap indoor Cootli WiFi PTZ cam. Board looks very similar to [XM IPG-G4-WR-BL](http://baike.xm030.cn:81/%E4%BA%A7%E5%93%81%E5%8F%82%E6%95%B0/English/IPG%E6%A8%A1%E7%BB%84/Parameters%20for%20IPG-G4-WR.pdf) but PCB layout a bit different.
All tests are complete on [gk7202v300_lite_cootli_camv0103-nor](https://github.com/OpenIPC/builder/releases/download/latest/gk7202v300_lite_cootli_camv0103-nor.tgz) firmware (build Feb 8 2024).
## Device info
| System | Description | Comments |
@ -41,12 +43,10 @@ PCB markings
![PCB markings](../images/device-IPC-RM1-BLK7202V3-M43A-WIFI_markings.jpg)
# Connectors
Connectors type JST 1.25mm
![JST Connector](../images/device-IPC-RM1-BLK7202V3-M43A-WIFI_connectors.jpg)
## Front side
| Connector | Description |
|:-:|:-|
| IRCUT | 2pin JST |
@ -54,7 +54,6 @@ Connectors type JST 1.25mm
| MIC | 2pin JST |
## Back side
- Micro SD Card Socket
- UART (unsoldered, to the left of SPK, pin1 RX, pin2 TX)
@ -67,7 +66,6 @@ Connectors type JST 1.25mm
| RF | UF.L (IPX) |
# GPIOs
| GPIO | Connector | Description |
|:-:|:-:|:-:|
| 0* | - | Reset button |
@ -91,13 +89,14 @@ Connectors type JST 1.25mm
\* - unconfirmed.
## Muxing
If Majestic takes control over pins, no unmuxing required. Otherwise, this can be done using the following commands.
If Majestic takes control over pins, no muxing required. Otherwise, muxing can be done using the following commands.
Unmuxing GPIO16 for enabling IRLED control:
Muxing GPIO16 for taking control over IRLED pin:
```sh
devmem 0x120c0020 32 0x432 # GPIO2_0 (GPIO16)
```
Also for motors.
Unmuxing GPIO12, GPIO14, GPIO15 (motors H connector):
```sh
devmem 0x120c0010 32 0x1e02 # GPIO1_4 (GPIO12)
@ -133,9 +132,9 @@ mmc rescan
```
## Speaker
Device supports playing PCM signed 16-bit little-endian, 8000 Hz, 1CH by sending data to http://192.168.0.10/play_audio endpoint.
Device support playing PCM signed 16-bit little-endian, 8000 Hz, mono.
Audio can be encoded like this:
Audio file can be encoded like this:
```sh
ffmpeg -i input.wav -f s16le -ar 8000 -ac 1 output.pcm
```
@ -146,14 +145,13 @@ curl -v -u user:pass -H "Content-Type: application/json" -X POST --data-binary @
```
# Flashing
Stock firmware is pwd locked, LAN does not presend, so I'm guessing following methods are available to flash this board:
Stock firmware is pwd locked, LAN interface does not present, so I'm guessing following methods are available to flash this board:
- [burn](https://github.com/OpenIPC/burn) + [u-boot-gk7202v300-universal.bin](https://github.com/OpenIPC/firmware/releases/download/latest/u-boot-gk7202v300-universal.bin) and loading FW thru X/Y/ZMODEM (e.g. loady. Tip: use baud option for speed up)
- load FW from SD card (need power ON, see above)
- load full image thru stock web interface (untested)
- Flash programmer
# Symmary
- [X] WiFi works
- [X] Video tested/streamed
- [X] Day/night works (IRCUT and IRLED)