Replies: 8 comments 60 replies
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@maj113 Do you think it is possible to add EL15 support based on the below command repository? |
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@StepanKoshman I was unaware of that BT RE work but it looks... wrong on many places, for one the DM40 doesn't use the RFCOMM but BLE so using sockets for that wouldn't work, the RE of the packet also seems to be wrong: 
This is incorrect, 14-15 is the main measurement while 10-11 and 12-13 and the two aux values, the reason why that doesn't help at all is because I require not just the packet RE but also the BLE channels/UUID on where it:
I tried it myself and it did not even work on my end |
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Could this help you? |
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The other issue is my Env not really being made for multiple devices, I just kinda made this for my own DM40. If someone wants to implement this (or try to) I'll gladly help though |
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I'd need the UUIDs, sadly not there Using NRFconnect can give some clues 
If it has the same UUIDs (those fffx) it should be somewhat trivial to at least get the BT stack ready for it |
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I might be on to something (as long as that RE work holds up) |
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Well at least it's something, will check when I come home what's going on |
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Does it stop receiving data after you try switching modes? since the app did receive a good chunk of data looking at the Raw packets, when exactly does it stop? |
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Modes are not switched. Data exchange with the load does not occur. Temperature and current are displayed as they were at the moment of connection. No other data exchange occurs. |
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Only data at the time of connection is displayed. No further data updates occur. |
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Hello. Can we expect further work in this direction? |
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In the near future after I get the EL15 myself I'll work on this |
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I have ordered the EL15 and the HP20, should be arriving on the 15th, will add support for both (honestly I haven't even checked if the HP20 has BT), for the time being I will work on polishing up the multi device support but probably won't push anything until I get them working |
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Apologies for the wait, I have received the EL15 ~20min ago: 
There are still bugs to iron out, features to add so expect a new release in a couple hours or at worst tomorrow @Znakharenko-911 @StepanKoshman |
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yeah i saw that already, doesn't seem to work for me, just frozen lol, looks good though, much better than mine :) |
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Absolutely not. If it's not too much trouble, development should continue. I'd like to see a battery discharge mode and an extended mode in the future. The Alientek software, as it currently stands, is completely pointless. |
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That makes two of us :D |
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By the way @StepanKoshman I spent some time REing the BLE-TCP bridge that ATK-XTOOL uses and rewrote it in C++ 
30KB instead of 11MB server :P |
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Resolution was increased: 
Fan indicator was fixed, it uses two byte fields for that (0-5), still working on DCR and CAP, they use a completely different packet layout |
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Will there be intermediate versions available for testing? |
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Almost certainly today but DCR will most likely be broken since I have trouble understanding what some fields corelate to |
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Sorry for the delay, too many things weren't working so I decided to not push the release until now, the executable can be found here: https://github.com/maj113/DM40GUI/actions/runs/24910156981/artifacts/6633129735 
Support for some additional modes has been added, tooltip now shows U I P measurements. Status for some faults e.g. undervoltage and reverse polarity has been added, not all since I don't know which are supported 
Raw Packet TextBox no longer scrolls when not at the bottom 
Although somewhat useless temperature has more precision For Power AUTO measurement i was hoping the end report would be sent over but it is not... Now we are actually ahead of the Alientek app, it incorrectly identifies the POWER AUTO mode as CV basic test: 
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When I try to connect to el15, the program window closes.😐 |
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Oops, the compiled version did not like the dynamic imports... should be fixed once the build finishes edit: finished building https://github.com/maj113/DM40GUI/actions/runs/24930141469/artifacts/6639667644 |
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@maj113 Dude! This is awesome! |
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Today after I clean it up a bit 👍 |
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Forgot to mention yesterday, a build has been created based on this PR: #12 It can be downloaded here: https://github.com/maj113/DM40GUI/actions/runs/25128044958/artifacts/6715389210 |
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I also have contacted Alientek regarding the battery report results, if it is possible to get it over BLE/if there is a command to retrieve it or if it is planned for a new firmware revision, waiting on their reply |
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Windows 11 OS. Realtek RTL8723DE Bluetooth. :( |
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It is timing out on the connection, must be a very bad Bluetooth chipset if it can't connect in 8s, you can retry and it should connect, the first connect is always a bit slower but it still shouldn't take that long |
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Discuss the possibility of adding EL15 support to the app
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