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Support for Aquastream Ultimate #50

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Alexander-LIT opened this issue Nov 28, 2022 · 61 comments
Closed

Support for Aquastream Ultimate #50

Alexander-LIT opened this issue Nov 28, 2022 · 61 comments

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@Alexander-LIT
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Alexander-LIT commented Nov 28, 2022

I have both an Aquero 6XT as well as an Aquastream Ultimate connected via USB.

The data from the Aquero is listed when i run 'sensors' and works great, however the Pump is not showing up. I figured since Aquastream XT is supported, perhaps the Ultimate would work as well.
If there is any more information that I can supply to help solve this issue please let me know.

make dev
make clean
make[1]: Entering directory '/home/alex/aquacomputer_d5next-hwmon'
make -C /lib/modules/6.0.8-1-MANJARO/build M=$PWD clean
make[2]: Entering directory '/usr/lib/modules/6.0.8-1-MANJARO/build'
CLEAN /home/alex/aquacomputer_d5next-hwmon/Module.symvers
make[2]: Leaving directory '/usr/lib/modules/6.0.8-1-MANJARO/build'
make[1]: Leaving directory '/home/alex/aquacomputer_d5next-hwmon'
make
make[1]: Entering directory '/home/alex/aquacomputer_d5next-hwmon'
make -C /lib/modules/6.0.8-1-MANJARO/build M=$PWD modules
make[2]: Entering directory '/usr/lib/modules/6.0.8-1-MANJARO/build'
CC [M] /home/alex/aquacomputer_d5next-hwmon/aquacomputer_d5next.o
MODPOST /home/alex/aquacomputer_d5next-hwmon/Module.symvers
CC [M] /home/alex/aquacomputer_d5next-hwmon/aquacomputer_d5next.mod.o
LD [M] /home/alex/aquacomputer_d5next-hwmon/aquacomputer_d5next.ko
BTF [M] /home/alex/aquacomputer_d5next-hwmon/aquacomputer_d5next.ko
make[2]: Leaving directory '/usr/lib/modules/6.0.8-1-MANJARO/build'
make[1]: Leaving directory '/home/alex/aquacomputer_d5next-hwmon'
sudo rmmod aquacomputer_d5next || true
[sudo] password for alex:
sudo insmod aquacomputer_d5next.ko

lsusb
Bus 012 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 011 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 009 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 010 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 008 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 007 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 002: ID 174c:3074 ASMedia Technology Inc. ASM1074 SuperSpeed hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 005: ID 0c70:f00b MCT Elektronikladen aquastream ULTIMATE
Bus 005 Device 004: ID 0c70:f001 MCT Elektronikladen aquaero
Bus 005 Device 003: ID 174c:2074 ASMedia Technology Inc. ASM1074 High-Speed hub
Bus 005 Device 002: ID 046d:c539 Logitech, Inc. Cordless Mouse Receiver
Bus 005 Device 006: ID 0b05:18f3 ASUSTek Computer, Inc. AURA LED Controller
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 004: ID 30be:1014 Schiit Audio Schiit Modi 3+
Bus 003 Device 003: ID 0603:0002 Novatek Microelectronics Corp. Sino Wealth keyboard/mouse 2.4 GHz receiver
Bus 003 Device 002: ID 3297:4976 ZSA Technology Labs Inc ErgoDox EZ Glow
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

@aleksamagicka
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From your output: Bus 005 Device 005: ID 0c70:f00b MCT Elektronikladen aquastream ULTIMATE, so the product ID is 0xf00b. The Aquastream XT that the driver currently supports has the ID 0xf0b6.

Looks like it was released in ~2015/2016, so it should use the regular HID report communication (old Aquacomputer stuff, like the aquastream xt, communicates through a legacy way). I've looked it up on Youtube, the interface on the OLED looks extremely similar to the one on the D5 Next, so they probably share a similar base.

Unfortunately without you looking up the HID reports that the pump sends and pairing that with sensor data from aquasuite/hwinfo64 (so the reported values match up in the reports), I can't do anything reliably from my side. If you want to delve in I can send you a hints/tutorial doc for sniffing USB traffic.

@Alexander-LIT
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I have never done anything like that, but certainly willing to give it a try.

@aleksamagicka
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aleksamagicka commented Nov 30, 2022

Here it is. For you, the filter should be usb.idVendor == 0x0c70 && usb.idProduct == 0xf00b.

If it's similar to the D5 Next, it should send a status HID report every second and values in the report will be in big endian. It's best to open the report (once captured) in a hex editor for easier searching. If you need assistance, write here and I'll try my best to help.

@Alexander-LIT
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Okay so here goes:

The tutorial is slightly confusing as they are using the Linux host to capture the packets, which in my case did not really work (or I was doing it wrong).

I installed wireshark on my Linux host, and ran mobprobe usbmon to get the usb devices to show up in wireshark. Selected all of them, but when filtering nothing showed up (with the VM running). I assume that is because the device is passed through to the windows VM and thus not available on the host.

As a next step I installed Wireshark inside the Win10 VM and was able to filter the packets and save them. What would be the next steps? You mentioned pairing the sensor data, or is it sufficient if I send you the captures?

Cheers!

@aleksamagicka
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aleksamagicka commented Nov 30, 2022

If a device is passed in to a VM, it won't be visible on the host.

You can send the reports here, of course, but to do anything we need the readings from hwinfo64/aquasuite at the time of the report. What I mean by this is that the report contains the readings of the sensors (temp is 25C, fan speed is 800RPM etc.), but to find where those values are located in the report, we need to know their values - aquasuite already knows how to parse the report, and the data it outputs is what we need to reverse engineer their positions in the hex dump (pairing the sensor data).

Long story short 😄 - the next step is to send the reports you captured and a screenshot of aquasuite/hwinfo64 readings so I can try and look them up.

@Alexander-LIT
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Ok so we are looking for a fairly short capture with a screenshot of the data from the time of capture. On it!

@aleksamagicka
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That's right. Here's how it looks on the D5 Next.

@Alexander-LIT
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Here is to hoping I did it correctly :-)

aquastream-ultimate1.zip

@aleksamagicka
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aleksamagicka commented Nov 30, 2022

Thanks. Here goes nothing...

What Where Value
Serial key, first part 0x03 16293
Serial key, second part 0x05 20503
Firmware version 0xD 1011
Water temperature 0x2D 2999 (29.99C)
First virtual (software) temp sensor 0x2F Empty/unset?
Fourth virtual (software) temp sensor 0x35 Set to water temp?
Fifth virtual (software) temp sensor 0x37 Set to 0?
Pump +12V 0x3D 1222 (12.22V)
Fan +12V 0x43 1127 (11.27V)
Pump RPM 0x51 4790 (RPM)
Pump current 0x53 673 (0.673A)
Pump power 0x55 822 (8.22W)
Pressure 0x57 305 (0.305bar)

Can you please confirm the info above (serial number, firmware)? How many virtual sensors does it have?

@Alexander-LIT
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Serial number and Firmware version are correct.
Not sure about the virtual sensors. I believe they are an addon purchase which I do not have. My pump is connected to the aquero via Aquabus and reports the water temperature to it.

My flow sensor (old high flow, non USB - https://images-na.ssl-images-amazon.com/images/I/41RqLWF2+NL._AC_.jpg) is connected to the aquero as well.

screenshot1

Screenshot 2022-11-30 1724

@aleksamagicka
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Thanks. In that case I won't touch the supposed virtual sensors, and will implement the rest. I will write here when I implement that in a separate branch for you to test.

@Alexander-LIT
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That is amazing! You are a wizard! 😃

Do you think there is a way to read the flow sensor that is connected to the aquero as well?

@aleksamagicka
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aleksamagicka commented Nov 30, 2022

That should be located in the Aquaero sensor report. But from your image the Aquaero reported flow is 0.0 l/h?

What's the flow value that the aquaero relays?

@Alexander-LIT
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aquero.zip

I tried a capture of the aquero (with f001 filter) and took another screenshot.

@aleksamagicka
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Thanks, I found it in the sensor report (0xF9). Will make that adjustment as well.

@Alexander-LIT
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Wonderful! Thank you so much!

@aleksamagicka
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Here's the aquaero test branch, for the flow sensor.

@Alexander-LIT
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Sorry about my beginner questions... how do I clone a different branch?

In the meantime, I just copied the changed file:

aquaero-hid-3-9
Adapter: HID adapter
Fan 1 voltage: 12.07 V
Fan 2 voltage: 12.26 V
Fan 3 voltage: 12.15 V
Fan 4 voltage: 0.00 V
Fan 5 voltage: 0.00 V
Fan 1 speed: 1000 RPM (min = 300 RPM, max = 1800 RPM)
Fan 2 speed: 556 RPM (min = 300 RPM, max = 1800 RPM)
Fan 3 speed: 749 RPM (min = 500 RPM, max = 1500 RPM)
Fan 4 speed: 0 RPM (min = 450 RPM, max = 2000 RPM)
Flow sensor 1 [dl/h]: 1281 RPM
Sensor 1: +30.4°C
Sensor 2: +25.5°C
Sensor 3: +43.5°C
Sensor 4: N/A
Sensor 5: N/A
Sensor 6: N/A
Sensor 7: N/A
Sensor 8: N/A
Virtual sensor 1: +50.0°C
Virtual sensor 2: +50.0°C
Virtual sensor 3: +50.0°C
Virtual sensor 4: +50.0°C
Virtual sensor 5: +50.0°C
Virtual sensor 6: +50.0°C
Virtual sensor 7: +50.0°C
Virtual sensor 8: +50.0°C
Fan 1 power: 2.58 W
Fan 2 power: 0.00 W
Fan 3 power: 1.40 W
Fan 4 power: 0.00 W
Fan 5 power: 0.00 W
Fan 1 current: 214.00 mA
Fan 2 current: 0.00 A
Fan 3 current: 116.00 mA
Fan 4 current: 0.00 A
Fan 5 current: 0.00 A

@aleksamagicka
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aleksamagicka commented Nov 30, 2022

First, run fetch to update the remote branches:

git fetch

Then, you can use git checkout:

git checkout -b my_new_local_branch origin/the-remote-branch-i-want

In this case, something like this, depending on how you want to name your local branch:

git checkout -b aquaero-flow-sensor-1 origin/aquaero-flow-sensor-1

@aleksamagicka
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aleksamagicka commented Nov 30, 2022

And here is the new branch for Aquastream Ultimate. Please test and report if anything is missing or is incorrectly reported.

@Alexander-LIT
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Seems to work like a charm.

I compared the data from "watch sensors" with whats on the Aqueros' display and other than different update timings between my display and the terminal, the values seem spot on.

Maybe "RPM" could be removed from the output and values converted to liters/h?

@aleksamagicka
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aleksamagicka commented Nov 30, 2022

Great, thank you!

Others have had the same idea before, but "RPM" is kind of the catch all type in hwmon (internally, it's regarded as fan output), and it's the only of the bunch (temp, RPM, voltage, current, humidity, etc.) that I can put general values in (such as flow and pressure) since it doesn't carry a too exact meaning, like temp would for example. And it's also accepted that way into the kernel. Also, "RPM" is shown by the sensors command, not by the driver, since it's of type fan; the driver provides only the label and value alongside that.

For liters/h, aside from the above, we run into an another problem: first, sysfs only exposes whole numbers, and second, generally no floating point operations are possible in the kernel, except if you are on x86 and put your code between kernel_fpu_start() and kernel_fpu_end() (which is to say, in very special occasions). So, to not lose precision given by the device, we expose it as dL/h. Same thing with the Quadro.

@Alexander-LIT
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Very cool, thank you. Added it to my conky 😃

@leoratte
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Thank you for the sensor reports so far.
Could you provide additional reports with a fan, a temperature sensor and your high flow connected to the pump?

@Alexander-LIT
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Thank you for the sensor reports so far. Could you provide additional reports with a fan, a temperature sensor and your high flow connected to the pump?

Certainly. I should be able to do that on the weekend. Possibly a little earlier if I find the time.

@aleksamagicka
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Great! Can you please also test connecting your flow sensor to the Flow 2 position on the Aquaero? I'd like to confirm its position in the report and implement it as well.

@Alexander-LIT
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Sure.

@Alexander-LIT
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Alexander-LIT commented Dec 1, 2022

Great! Can you please also test connecting your flow sensor to the Flow 2 position on the Aquaero? I'd like to confirm its position in the report and implement it as well.

This just reminded me.... do the virtual sensors work as well? There is Virtual Sensor 1-8 in linux, which likely corresponds to "Software Sensor" in Aquasuite (not sure what they do, need to look it up).

Then there are 4 "Virtual temperature sensors" in Aquasuite which can be used for all kinds of calculations. I set one up to calculate the difference between Ambient and Case temperature (4.7° in the capture I uploaded). These are not currently displayed in my terminal sensor output.

Can these be pulled in as well? And if they can, I assume you would like me to create the max amount of sensors so can get some data from them?

Edit: I also just noticed "Alarm Level" in the HWinfo output. I reckon this could be interesting as well? Some clever people might use that to trigger all kinds of stuff in case things go wrong.

@Alexander-LIT
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I believe I checked out the aquaer-two-flow-sensors branch correctly, but the flow sensor does not show up in "sensors" when it's connected to sensor 2.

@aleksamagicka
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My mistake, sorry. Didn't mark it as visible. Pushed a fix just now.

@Alexander-LIT
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Alexander-LIT commented Dec 4, 2022

Success! :D

aquaero-hid-3-8
Adapter: HID adapter
Fan 1 voltage: 12.10 V
Fan 2 voltage: 12.28 V
Fan 3 voltage: 12.19 V
Fan 4 voltage: 0.00 V
Fan 1 speed: 909 RPM (min = 300 RPM, max = 1800 RPM)
Fan 2 speed: 398 RPM (min = 300 RPM, max = 1800 RPM)
Fan 3 speed: 672 RPM (min = 500 RPM, max = 1500 RPM)
Fan 4 speed: 0 RPM (min = 450 RPM, max = 2000 RPM)
Flow sensor 1 [dL/h]: 0 RPM
Flow sensor 2 [dL/h]: 1255 RPM
Sensor 1: +29.6°C
Sensor 2: N/A
Sensor 3: +43.0°C
Sensor 4: N/A
Sensor 5: N/A
Sensor 6: N/A
Sensor 7: N/A
Sensor 8: N/A
Virtual sensor 1: +50.0°C
Virtual sensor 2: +50.0°C
Virtual sensor 3: +50.0°C
Virtual sensor 4: +50.0°C
Virtual sensor 5: +50.0°C
Virtual sensor 6: +50.0°C
Virtual sensor 7: +50.0°C
Virtual sensor 8: +50.0°C
Fan 1 power: 2.11 W
Fan 2 power: 0.00 W
Fan 3 power: 1.18 W
Fan 4 power: 0.00 W
Fan 1 current: 175.00 mA
Fan 2 current: 0.00 A
Fan 3 current: 97.00 mA
Fan 4 current: 0.00 A

@aleksamagicka
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Merged, thanks.

@aleksamagicka
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Support for four calculated virtual temp sensors for the Aquaero is in #56. Please test, it seems to work fine on my Aquaero 6 LT.

@Alexander-LIT
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Support for four calculated virtual temp sensors for the Aquaero is in #56. Please test, it seems to work fine on my Aquaero 6 LT.

Looks good to me!

aquaero-hid-3-8
Adapter: HID adapter
Fan 1 voltage: 12.07 V
Fan 2 voltage: 12.25 V
Fan 3 voltage: 12.16 V
Fan 4 voltage: 0.00 V
Fan 1 speed: 1021 RPM (min = 300 RPM, max = 1800 RPM)
Fan 2 speed: 598 RPM (min = 300 RPM, max = 1800 RPM)
Fan 3 speed: 762 RPM (min = 500 RPM, max = 1500 RPM)
Fan 4 speed: 0 RPM (min = 450 RPM, max = 2000 RPM)
Flow sensor 1 [dL/h]: 1260 RPM
Flow sensor 2 [dL/h]: 0 RPM
Sensor 1: +31.1°C
Sensor 2: +25.8°C
Sensor 3: +43.6°C
Sensor 4: N/A
Sensor 5: N/A
Sensor 6: N/A
Sensor 7: N/A
Sensor 8: N/A
Virtual sensor 1: +50.0°C
Virtual sensor 2: +50.0°C
Virtual sensor 3: +50.0°C
Virtual sensor 4: +50.0°C
Virtual sensor 5: +50.0°C
Virtual sensor 6: +50.0°C
Virtual sensor 7: +50.0°C
Virtual sensor 8: +50.0°C
Calc. virtual sensor 1: +5.3°C
Calc. virtual sensor 2: +15.3°C
Calc. virtual sensor 3: +25.3°C
Calc. virtual sensor 4: +35.3°C
Fan 1 power: 2.59 W
Fan 2 power: 640.00 mW
Fan 3 power: 1.52 W
Fan 4 power: 0.00 W
Fan 1 current: 215.00 mA
Fan 2 current: 53.00 mA
Fan 3 current: 125.00 mA
Fan 4 current: 0.00 A

@aleksamagicka
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Thanks! Merged.

@aleksamagicka
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I pushed some more commits to #52. I added the fan sensors @leoratte found and also the pump frequency (at least I think that's it). I also added the three flow sensors. Please test and report back which ones work and if something is possibly broken.

@Alexander-LIT
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I might be doing something wrong, but the Aquastream Ultimate branch is not showing my pump.

@aleksamagicka
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Sorry for that, I rebased it earlier using SmartGit and looks like it decided to remove the where the pump is marked as supported (I don't remember being prompted to do so). Force pushed it just now, please try again.

@Alexander-LIT
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The pump is showing up now. I'll try to get to testing it in the evening.

@Alexander-LIT
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Here is the output I am getting with fan, flow and temp sensor connected:

aquastreamultimate-hid-3-12
Adapter: HID adapter
Fan +12V: 0.00 V
Pump +12V: 12.19 V
Fan speed: 0 RPM
Pump speed: 4781 RPM
Pump frequency: 31205 RPM
Pressure [mbar]: 304 RPM
Flow speed 1: 1269 RPM
Flow speed 2: 32767 RPM
Flow speed 3: 1269 RPM
Coolant temp: +31.0°C
External temp: +24.3°C
Fan power: 0.00 W
Pump power: 8.24 W
Fan current: 0.00 A

Fan seems to be running at 100%.

@aleksamagicka
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OK, so flow speed 2 and 3 are dummy values, removed those. Also fan sensors should now be fixed. Pump frequency I'm not sure about, what does aquasuite say (in the data quick view)?

@Alexander-LIT
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Frequency seems to be moving around 79.4 to79.7Hz.
Not entirely sure if the other flow sensors are dummies. One might be the unlockable software flow sensor and there is another port on the back of the pump that is labeled "RPM". I'll need to look up if a flow sensor connects to that as well.

@aleksamagicka
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I'm looking at this from the manual:

image

RPM seems to be output only:

image

Here's what I find later:

image

That mentions the external flow sensor and the virtual one, which must be purchased and if it's anything like the on the D5 Next (it says it's calibrated to DP Ultra), it's mot likely not worth looking into because it seems very inaccurate.

I see hwinfo64 exposing the flow 3, but the value is the same. Looks like they weren't sure either.

@aleksamagicka
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aleksamagicka commented Dec 10, 2022

I can't seem to find pump frequency in the sensor report other than what I thought it is, seeing that it's not in hwinfo64 maybe aquasuite is calculating it...

@Alexander-LIT
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Well I guess the frequency is not the most vital bit of information anyhow.

The virtual flow sensor costs 15€, the advanced controller pack for the pump is 10€ and adds:

  • Software sensors: Up to two temperature values can be transmitted to the pump controller via USB from the aquasuite software or alternatively via aquabus from a connected aquaero 5/6.
  • Pump speed: Temperature controlled with curve controller
  • Pump speed: Temperature controlled with two point controller
  • Pump speed: Flow rate controlled with set point controller (additionally requires flow sensor connected to pump controller or software extension virtual flow sensor)
  • Fan speed: Temperature controlled with curve controller
  • Fan speed: Temperature controlled with two point controller

Not sure how useful they are. At least I don't see any application for myself.
I am running DP Ultra, so I suppose I could purchase the virtual flow sensor if it helps the project.

@aleksamagicka
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I can't stop you, but from all accounts that I've read the virtual flow sensor is... not great. Personally I'd say that it's just a gimmick and would not recommend buying that if it's only to try to help this driver.

Can you please test the PR again? Some minor issues were fixed/optimized and I've removed the pump frequency reporting. If all goes well, I'd merge it.

@Alexander-LIT
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The current version of the aquastream-ultimate-support branch causes a hard lockup on my system. Can't switch to a tty, mouse and keyboard are frozen and system needs to be turned off via powerbutton.

@leoratte
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I'll look into it.

@aleksamagicka
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Thanks @leoratte.

@Alexander-LIT, my apologies for that, should now be fixed.

@Alexander-LIT
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Much better :-)

aquastreamultimate-hid-3-13
Adapter: HID adapter
Fan voltage: 11.47 V
Pump +12V: 12.22 V
Fan speed: 2029 RPM
Pump speed: 4791 RPM
Pressure [mbar]: 306 RPM
Flow speed [dL/h]: 1343 RPM
Coolant temp: +29.2°C
External temp: +23.1°C
Fan power: 1.16 W
Pump power: 8.17 W
Fan current: 102.00 mA
Pump current: 669.00 mA

@aleksamagicka
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Great, thank you! I'll just rename "Pump +12V" to "Pump voltage" and merge.

@aleksamagicka
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This is now merged. If any issues arise, please report.

intel-lab-lkp pushed a commit to intel-lab-lkp/linux that referenced this issue Feb 3, 2023
…Ultimate

Extend aquacomputer_d5next driver to expose various hardware sensors of the
Aquacomputer Aquastream Ultimate watercooling pump, which communicates
through a proprietary USB HID protocol.

Coolant temp and external temp sensor readings are available, along with
speed, power, voltage and current of both the pump and optionally connected
fan. It also exposes pressure and flow speed readings.

Additionally, serial number and firmware version are exposed through
debugfs.

Tested by a user on Github [1].

[1] aleksamagicka/aquacomputer_d5next-hwmon#50

Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
aleksamagicka added a commit that referenced this issue Feb 3, 2023
…Ultimate

Extend aquacomputer_d5next driver to expose various hardware sensors of the
Aquacomputer Aquastream Ultimate watercooling pump, which communicates
through a proprietary USB HID protocol.

Coolant temp and external temp sensor readings are available, along with
speed, power, voltage and current of both the pump and optionally connected
fan. It also exposes pressure and flow speed readings.

Additionally, serial number and firmware version are exposed through
debugfs.

Tested by a user on Github [1].

[1] #50

Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
intel-lab-lkp pushed a commit to intel-lab-lkp/linux that referenced this issue Feb 3, 2023
…Ultimate

Extend aquacomputer_d5next driver to expose various hardware sensors of the
Aquacomputer Aquastream Ultimate watercooling pump, which communicates
through a proprietary USB HID protocol.

Coolant temp and external temp sensor readings are available, along with
speed, power, voltage and current of both the pump and optionally connected
fan. It also exposes pressure and flow speed readings.

Additionally, serial number and firmware version are exposed through
debugfs.

Tested by a user on Github [1].

[1] aleksamagicka/aquacomputer_d5next-hwmon#50

Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20230203120324.579808-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
thanasxda pushed a commit to thanasxda/clrxt-x86 that referenced this issue Mar 2, 2023
…Ultimate

Extend aquacomputer_d5next driver to expose various hardware sensors of the
Aquacomputer Aquastream Ultimate watercooling pump, which communicates
through a proprietary USB HID protocol.

Coolant temp and external temp sensor readings are available, along with
speed, power, voltage and current of both the pump and optionally connected
fan. It also exposes pressure and flow speed readings.

Additionally, serial number and firmware version are exposed through
debugfs.

Tested by a user on Github [1].

[1] aleksamagicka/aquacomputer_d5next-hwmon#50

Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com>
Link: https://lore.kernel.org/r/20230203120324.579808-1-savicaleksa83@gmail.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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