mirror of https://github.com/OpenIPC/wiki.git
55 lines
1.1 KiB
Markdown
55 lines
1.1 KiB
Markdown
# OpenIPC Wiki
|
|
[Table of Content](../README.md)
|
|
|
|
Sigmastar unbrick
|
|
---
|
|
|
|
**Locate the Sigmastar UART output and connect it to the CH341A I2C:**
|
|
- $\color{dimgray}{\texttt{GND -> GND (PIN 1-4)}}$
|
|
- $\color{deepskyblue}{\texttt{TX -> SDA I2C (PIN 5)}}$
|
|
- $\color{orange}{\texttt{RX -> SCL I2C (PIN 6)}}$
|
|
|
|
<img src="../images/sigmastar-ch341a.webp">
|
|
<img src="../images/sigmastar-uart.webp">
|
|
<img src="../images/sigmastar-example.webp">
|
|
|
|
---
|
|
|
|
**Download snander-mstar:**
|
|
- https://github.com/viktorxda/snander-mstar/releases
|
|
|
|
---
|
|
|
|
**Check the device flash with snander:**
|
|
- Power cycling might help if the device can not be detected.
|
|
```
|
|
snander -i -q
|
|
```
|
|
|
|
<img src="../images/sigmastar-check.webp">
|
|
|
|
**Erase the boot partition:**
|
|
```
|
|
snander -l 0x200000 -e
|
|
```
|
|
|
|
<img src="../images/sigmastar-erase.webp">
|
|
|
|
**Write the new uboot file:**
|
|
- https://github.com/OpenIPC/firmware/releases/tag/latest
|
|
```
|
|
snander -w u-boot-ssc338q-nand.bin
|
|
```
|
|
|
|
<img src="../images/sigmastar-write.webp">
|
|
|
|
---
|
|
|
|
**I2C devices:**
|
|
- 0x49 -> MStar ISP
|
|
- 0x59 -> MStar Debug
|
|
|
|
---
|
|
|
|
- [Alternative Raspberry method by MarioFPV](https://youtu.be/88C8UvyKQlQ)
|