Re: OT:::::Airbreak: Airsense S10 firmware hack
Posted: Mon Jul 19, 2021 7:03 pm
Looks like Maxpressure never came back to tell how he went. I can pick up a cheap airsense and wanted to turn it into a vauto for some fun. Can get the interface leads and from what I understand will need a machine with firmware SX567-0401 or higher . Just putting it out there and seeing if someone has tried or may just go ahead. Can always resell machine later lolMaxPressure wrote: ↑Thu Feb 18, 2021 10:01 amVery interesting Thread.
I have a ResMed AirSense 10 AUTOSET, and I was pleased to see that it has Firmware SX567-0401.
Don't worry, I'm not about to rat up my main machine. However, as I have to run mine in CPAP Mode at the 20 cm maximum, I'm interested in getting another S10 and seeing if I can unlock the Firmware to enable VAUTO features, specifically the option to take the Pressure up to 25 cm.
I appreciate that another S10 may not have the same Firmware, so I was thinking I may be able to Extract the Firmware from my own S10, without actually then Flashing it, and then use that copy to then Modify and then Flash to the other S10. I'm not sure if that's feasible from reading the Airbreak web site, but looks like it could be.
I know I need to obtain the ST-LINK/V2 and TC2050-IDC Kit to do this, and I have plenty of Windows machines that I can use as the machine to do the dirty deed with.
My own S10 is, basically, on the limit of what it can do as currently configured with the Stock SX567-0401 Firmware, so there is no Reserve Pressure if I get into a poor sleeping position, or if my ResMed F20 Mask springs a leak. When that happens, I am back into Apnoeas, albeit not usually that bad because the S10 is usually at least still pumping something to help keep things the right side of tears.
My aim in exploring the Airbreak tweak, is to then go back to variable Pressure, say, 15 to 25, and let an Airbreak S10 set to Vauto specs, adjust Pressure in the hope of working out what my Working Pressure might actually be. I suspect it may be 21 cm or thereabouts.
I'm in the UK, and my own S10 is via the NHS. Technically it is now mine to do with as I wish, the Respiratory Consultant said as much last visit because he is not ever expecting it back but, that said, I will keep it standard and will instead aim to fiddle with another S10 machine that I can afford (from a clinical perspective) to Brick if that should happen.
I do use OSCAR, and have a reasonable grasp of the issues, and so am pretty confident that, in an ideal world, I should really have been issued with a ResMed AirCurve 10 VAuto to give me the Pressure reserve over the key 20 cm that seems to work fine for me. But as I now manage my Sleep Apnoea "incredibly well", and my API is usually now between 0.0 and 2.0 most nights, the chances of me persuading the NHS to let me have a more capable machine is effectively zero.
I had enough trouble just getting the NHS to look at the Sleep Test Data. When they did, someone woke up and said that I had "exceptionally severe Sleep Apnoea" and I was handed an S10 more or less the same day that my Sleep Data was looked at!
So, keeping this to Airbreak, my plan at the moment is to source the above Kit, then find a good, probably pre-used S10, and then see if I can extract the SX567-0401 Firmware from my own NHS S10, and then edit a copy of that, before Flashing it to the Test S10 Unit. Then try to configure that S10 to VAuto Mode, and see what I can then achieve in terms of exploring my own Pressure needs.
If this is of any interest, I will Post my progress to this Thread. It may take a few weeks, as I have yet to source the Kit, let alone locate a well priced Test S10 Unit. However, the Kit should be with me within 7-10 Days, and I have a possible contact who can obtain a low hours pre-used S10 to Test this with.
MaxPressure