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docs: Add detailed webserver documentation (#446)

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## More detailed documentation

* **What is the goal of this PR?** 
Add more information about the exposed webserver.
* **What changes are included?**
Detailed documentation for the webserver endpoints
(`./docs/webserver-endpoints.md`)
Adding a table of content so it is easier to navigate directly to the
section you're interested on (Almost all `.md` files or at least all
those relevant)

## Additional Context

Not sure if this would get accepted but I thought it might be useful for
those trying to create separate apps that would sync files to the
device. It was at least to me trying to upload files using python as
stated
[here](https://github.com/crosspoint-reader/crosspoint-reader/discussions/434#discussioncomment-15545349)

---

### AI Usage

While CrossPoint doesn't have restrictions on AI tools in contributing,
please be transparent about their usage as it
helps set the right context for reviewers.

Did you use AI tools to help write this code? _**PARTIALLY**_
This commit is contained in:
Juan Biondi
2026-01-21 14:29:39 +01:00
committed by GitHub
parent d399afb53d
commit e3d6e32609
4 changed files with 411 additions and 83 deletions
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@@ -172,89 +172,7 @@ This is useful for organizing your ebooks by genre, author, or series.
## Command Line File Management
For power users, you can manage files directly from your terminal using `curl` while the device is in File Upload mode.
### Uploading a File
To upload a file to the root directory, use the following command:
```bash
curl -F "file=@book.epub" "http://crosspoint.local/upload?path=/"
```
* **`-F "file=@filename"`**: Points to the local file on your computer.
* **`path=/`**: The destination folder on the device SD card.
### Deleting a File
To delete a specific file, provide the full path on the SD card:
```bash
curl -F "path=/folder/file.epub" "http://crosspoint.local/delete"
```
### Advanced Flags
For more reliable transfers of large EPUB files, consider adding these flags:
* `-#`: Shows a simple progress bar.
* `--connect-timeout 30`: Limits how long curl waits to establish a connection (in seconds).
* `--max-time 300`: Sets a maximum duration for the entire transfer (5 minutes).
> [!NOTE]
> These examples use `crosspoint.local`. If your network does not support mDNS or the address does not resolve, replace it with the specific **IP Address** displayed on your device screen (e.g., `http://192.168.1.102/`).
---
## Troubleshooting
### Cannot See the Device on the Network
**Problem:** Browser shows "Cannot connect" or "Site can't be reached"
**Solutions:**
1. Verify both devices are on the **same WiFi network**
- Check your computer/phone WiFi settings
- Confirm the CrossPoint Reader shows "Connected" status
2. Double-check the IP address
- Make sure you typed it correctly
- Include `http://` at the beginning
3. Try disabling VPN if you're using one
4. Some networks have "client isolation" enabled - check with your network administrator
### Connection Drops or Times Out
**Problem:** WiFi connection is unstable
**Solutions:**
1. Move closer to the WiFi router
2. Check signal strength on the device (should be at least `||` or better)
3. Avoid interference from other devices
4. Try a different WiFi network if available
### Upload Fails
**Problem:** File upload doesn't complete or shows an error
**Solutions:**
1. Ensure the file is a valid `.epub` file
2. Check that the SD card has enough free space
3. Try uploading a smaller file first to test
4. Refresh the browser page and try again
### Saved Password Not Working
**Problem:** Device fails to connect with saved credentials
**Solutions:**
1. When connection fails, you'll be prompted to "Forget Network"
2. Select **Yes** to remove the saved password
3. Reconnect and enter the password again
4. Choose to save the new password
---
For power users, you can manage files directly from your terminal using `curl` while the device is in File Upload mode a detailed documentation can be found [here](./webserver-endpoints.md).
## Security Notes
@@ -303,4 +221,5 @@ Your uploaded files will be immediately available in the file browser!
## Related Documentation
- [User Guide](../USER_GUIDE.md) - General device operation
- [Troubleshooting](./troubleshooting.md) - Troubleshooting
- [README](../README.md) - Project overview and features