Public Beta Test: Audio Without Compromise - Refining the Future of Volumio on Bookworm

Hung_The · June 9, 2025, 1:37pm

I really want to send all the required log to you but as i mentioned, i cannot access internet or even local network. I am not sure how can i send the loglink to you. Is there any offline/local file that i can copy to flash drive and then send to you here ?

JohnR · June 9, 2025, 8:28pm

hello Nerd
I thought I could add to your info about my wifi usb by running your WiFi diagnostic script
I have downloaded the zipped file and unzipped it onto a microSD card which is plugged into a usb sb card reader in the Rpi2, however when I get to the point [quote=“nerd, post:74, topic:72576”]
and extract it on your Volumio device.
[/quote]
I realise that my knowledge of terminal commands is severely lacking.
When you have a spare moment can you educate me with the few commands i need to do this and I hope this will be of help to others in the same position as me.
Thanks

Wheaten · June 9, 2025, 8:37pm

Hi @JohnR

Just execute the following commands, when connected to your rPi via ssh:

cd ~
wget https://community.volumio.com/uploads/short-url/ArK0SsiEaFe14KwQky9OO6GbK1S.zip && miniunzip ArK0SsiEaFe14KwQky9OO6GbK1S.zip && rm ArK0SsiEaFe14KwQky9OO6GbK1S.zip && chmod +x wifi-info.sh && sudo bash wifi-info.sh

Wheaten · June 9, 2025, 9:05pm

For the TP-Link Archer T3U:

=== WiFi Interface Summary ===

--- Interface: wlan0 ---
Device path: /sys/devices/platform/scb/fd500000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0/usb2/2-2/2-2:1.0
Bus info: usb
Physical device info:
E: MODALIAS=usb:v2357p012Dd0300dc00dsc00dp00icFFiscFFipFFin00
E: ID_VENDOR_FROM_DATABASE=TP-Link
E: ID_MODEL_FROM_DATABASE=Archer T3U [Realtek RTL8812BU]
Modalias: usb:v2357p012Dd0300dc00dsc00dp00icFFiscFFipFFin00
Extracted USB VID:PID = 2357:012D
Active kernel module: rtw_8822bu
(module info not available)
Supported PHY modes:
  	Supported interface modes:
  		 * IBSS
  		 * managed
  		 * AP
  		 * AP/VLAN
  		 * monitor
Supported bands:
  	Band 1:
  		Capabilities: 0x196f
  	Band 2:
  		Capabilities: 0x196f
HT/VHT/HE capabilities:
  		HT Max RX data rate: 300 Mbps
  		HT TX/RX MCS rate indexes supported: 0-15, 32
  		HT Max RX data rate: 300 Mbps
  		HT TX/RX MCS rate indexes supported: 0-15, 32
  		VHT Capabilities (0x03d071b2):
  		VHT RX MCS set:
  		VHT RX highest supported: 780 Mbps
  		VHT TX MCS set:
  		VHT TX highest supported: 780 Mbps
  		VHT extended NSS: not supported
  	HT Capability overrides:

gkkpch · June 9, 2025, 9:46pm

@Wheaten
Added that one to the Odroid N2/N2+/C4, appears to be working fine locally, bookworm version pending

nerd · June 10, 2025, 2:24pm

Hey @JohnR,

Here is a step-by-step guide your forum user can follow using only a Volumio system with an SD card or USB reader attached:

How to Run the WiFi Diagnostic Script from an Inserted microSD or USB Drive

1. Log in to Volumio Terminal

Use SSH to connect to Volumio:

ssh volumio@<your-volumio-ip>

Default password is volumio

2. Execute @Wheaten instructions:

cd ~
wget https://community.volumio.com/uploads/short-url/ArK0SsiEaFe14KwQky9OO6GbK1S.zip && miniunzip ArK0SsiEaFe14KwQky9OO6GbK1S.zip && rm ArK0SsiEaFe14KwQky9OO6GbK1S.zip && chmod +x wifi-info.sh && sudo bash wifi-info.sh

3. Find the Mounted Drive

List mounted drives:

ls /media

Example output:

MY_USB

Now change into that directory:

cd /media/MY_USB

Hey @JohnR,

Certainly. Here’s the revised section with both options clearly explained:

4. Locate or Share the Output

After the script runs, it creates the file:

/tmp/wifi-info.log

You have two ways to share this:

Option A: Copy to USB Stick

Identify your USB stick mount (example shown: MY_USB):
```
cp /tmp/wifi-info.log /media/MY_USB/
```
Remove the USB and upload the file to your forum post.

Option B: Display and Copy-Paste Output

Show the contents directly in the terminal:
```
cat /tmp/wifi-info.log
```
Then copy the terminal output and paste it into your forum post between triple backticks:

```
[paste output here]

```

Both methods are fine, but attaching the file is preferred if the output is long.

Kind Regards,

ClaesM · June 11, 2025, 4:07pm

Hi @nerd !

A simple question? If I attach a rechargable RTC battery to Rpi 5, do I need to add some code lines or is the recharge function enabled by default in Volumio Beta 4.011?

Best regards/ C

Wheaten · June 11, 2025, 5:22pm

Just execute:

Set the system clock first:
sudo date -s "$(curl -sI http://google.com | grep ^Date: | cut -d' ' -f2-)"

Write it to the RTC:
sudo hwclock -w

Synchronize hardware clock (RTC) → system clock
sudo hwclock -s

View the hardware clock (RTC)
sudo hwclock -r

nerd · June 11, 2025, 5:33pm

Hey @ClaesM,

Good question, and here’s a full breakdown:

Raspberry Pi 5 RTC Support:

The Raspberry Pi 5 includes a built-in RTC via its RP1 chip, with a 2-pin JST-PH (1.25 mm) connector labeled BAT. Volumio Beta 4.011 supports this RTC out of the box - no additional configuration needed if a battery is connected.

Battery compatibility:

The built-in RTC does not support rechargeable batteries.
It is designed exclusively for non-rechargeable 3V lithium coin cells, such as the CR2032.
Connecting a rechargeable cell (like LIR2032 or ML2032) directly to the BAT header is unsafe, as the Pi 5 does not include a charge circuit and cannot manage recharge cycles.

Rechargeable RTC support:

You can use an external I2C-based RTC module that includes a charging circuit, such as the DS3231SN with LIR2032 support. Many of these modules safely manage the battery charging and include protection diodes and resistors.

Example: Using a DS3231 RTC Module with Rechargeable Battery

Connect the module to the I2C pins:
- SDA to GPIO2 (pin 3)
- SCL to GPIO3 (pin 5)
- VCC to 3.3V (pin 1)
- GND to ground (pin 6)
Ensure the module supports charging (typically LIR2032) and uses a diode-resistor charge circuit.
Edit Volumio config to enable the external RTC:
- Add the following line to /boot/userconfig.txt:
```
dtoverlay=i2c-rtc,ds3231
```
Disable the internal RTC to prevent conflicts:
- Add the following to /boot/userconfig.txt:
```
dtparam=rtc_disabled
```
First boot handling:
On first boot after adding the overlay, Volumio will auto-detect and register the RTC under /dev/rtc0.

Summary:

Raspberry Pi 5 built-in RTC: Use CR2032 only - no recharge support.
Want to use rechargeable batteries: Use an external I2C RTC module with charge support (like DS3231 + LIR2032).
Disable internal RTC with dtparam=rtc_disabled if using external.

This setup will work reliably with Volumio Beta 4.011.

Kind Regards,

ClaesM · June 12, 2025, 1:03pm

Thanks @Wheaten !

I will stick with rpi 5 built-in 2-pin jst-ph rtc so the commands you showed me work just fine!

Best Regards/ C

ClaesM · June 12, 2025, 1:09pm

Thanks @nerd !

I will use the simplest way right now. I stick with 2-pin jst-ph built in.
Later on I will go for some external module with a charging circuit. Thanks for your breakdown on this!

Best Regards / C

ClaesM · June 12, 2025, 2:33pm

Hi @nerd and @Wheaten !

I just found this on raspberrys own site, is this not working?

Add a backup battery

Lithium-manganese rechargeable RTC battery

The official battery part is a rechargeable lithium manganese coin cell, with a pre-fitted two-pin JST-SH plug and an adhesive mounting pad. This is suitable for powering the RTC when the main power supply for the board is disconnected. Since the current draw when powered down measures in single-digit µA, the retention time measures in months.

Note We do not recommend using a primary (non-rechargeable) lithium cell for the RTC. The RTC backup current consumption is higher than most dedicated RTC modules and will result in a short service life.

Warning Do not use a Lithium Ion cell for the RTC.

Enable battery charging

The RTC is equipped with a constant-current (3mA) constant-voltage charger.

Charging of the battery is disabled by default. There are sysfs files that show the charging voltage and limits:

/sys/devices/platform/soc/soc:rpi_rtc/rtc/rtc0/charging_voltage:0 /sys/devices/platform/soc/soc:rpi_rtc/rtc/rtc0/charging_voltage_max:4400000 /sys/devices/platform/soc/soc:rpi_rtc/rtc/rtc0/charging_voltage_min:1300000

To charge the battery at a set voltage, add rtc_bbat_vchg to /boot/firmware/config.txt:

dtparam=rtc_bbat_vchg=3000000

Reboot with sudo reboot to use the new voltage setting. Check the sysfs files to ensure that the charging voltage was correctly set.

Wheaten · June 12, 2025, 3:06pm

it works have the same on my rpi5

nerd · June 12, 2025, 3:38pm

Hey @ClaesM,

I thought I mentioned it, yet I did not.
Just to clarify for others following this thread: I didn’t mention the RTC battery charging capability in my original post for a good reason.
With confirmed issues when enabling the charge feature on the Raspberry Pi 5 RTC, such as:

RTC stops functioning when charging is enabled (dtparam=rtc_bbat_vchg=...)
Missing sysfs entries to confirm charging status
Battery not charging as expected
Compatibility problems outside Raspberry Pi OS

Things are improving, however I’m avoiding it in production setups for now. Please share your experiences.

Kind Regards,

ClaesM · June 12, 2025, 4:34pm

Hi again!

Did you put dtparam=rtc_bbat_vchg=3000000 in config or userconfig?

Wheaten · June 12, 2025, 4:57pm

Yes I did.
Also found that the given commands don’t work:
/sys/devices/platform/soc/soc:rpi_rtc/rtc/rtc0/charging_voltage:0 /sys/devices/platform/soc/soc:rpi_rtc/rtc/rtc0/charging_voltage_max:4400000 /sys/devices/platform/soc/soc:rpi_rtc/rtc/rtc0/charging_voltage_min:1300000

Went by:
/sys/devices/platform/soc@107c000000/soc@107c000000:rpi_rtc/rtc/rtc0

cat /sys/devices/platform/soc@107c000000/soc@107c000000:rpi_rtc/rtc/rtc0/charging_voltage
3000000

cat /sys/devices/platform/soc@107c000000/soc@107c000000:rpi_rtc/rtc/rtc0/charging_voltage_max
4400000

cat /sys/devices/platform/soc@107c000000/soc@107c000000:rpi_rtc/rtc/rtc0/charging_voltage_min
1300000

cat /sys/devices/platform/soc@107c000000/soc@107c000000:rpi_rtc/rtc/rtc0/battery_voltage
3078629

cat /sys/devices/platform/soc@107c000000/soc@107c000000:rpi_rtc/rtc/rtc0/battery_voltage
3079484

ClaesM · June 12, 2025, 5:39pm

Ok! Thanks!

I don’t know if I am brave enough to test it

Regards/ C

ClaesM · June 12, 2025, 6:16pm

Ok,
I understand that, I’m just curious about this. I would be great if it could work without problems.
Personally I don’t want to set actual time if my pi5 have been out of power for a day or two.

Regards /C

ClaesM · June 13, 2025, 1:13pm

Hi there!

I thougt I would give it a try so I added your code above (rtc charging) .
I seems to work! Thanks!

Regads/ C

Wheaten · June 13, 2025, 1:20pm

Wheaten VS Nerd => 01 - 231789