From: "Stephen Izett stephen.izett@gmail.com" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] Re: EC3 software
Date: Mon, 1 Jul 2019 07:13:49 +0800
References: <list-12724971@logan.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: <list-12724971@logan.com>
Message-Id: <2DD670CF-F901-4952-9F4D-5AD850FA8C49@gmail.com>

Hi Finn

I used the PICkit 3 for the EC2 code no problem (can=E2=80=99t remember =
the version of MPLABS) and thought the EC3 was more recent!
Why did Tracy change chips?

Steve


> On 1 Jul 2019, at 5:45 am, Finn Lassen finn.lassen@verizon.net =
<flyrotary@lancaironline.net> wrote:
>=20
> Well, I had purchased the PICKit 3 and finally downloaded MPLAB 8.15.
> Unfortunately the PICKit 3 is not a programmer option in MPLABS 8.15.
>=20
> Did you you run into this and solve it?
>=20
> I could:
> 1) Keep downloading and install more and more recent versions of MPLAB =
until PICKit3 appears as a programmer option (and hope that the version =
still works with Tracy's code)
> or
> 2) Purchase a PICKit2
>=20
> Finn
>=20
> On 6/23/2019 10:07 AM, Stephen Izett stephen.izett@gmail.com wrote:
>> Thanks very much Finn.
>> I just received this message. Not sure why it was delayed.
>>=20
>> Cheers
>>=20
>> Steve Izett
>>=20
>>> On 21 Jun 2019, at 3:04 am, Finn Lassen finn.lassen@verizon.net =
<flyrotary@lancaironline.net> wrote:
>>>=20
>>> I can now confirm that Tracy uses (used) MPLABS version 8.15
>>>=20
>>> Attached are the chip configuration settings. In MPLABS, pick the =
settings listed on the right. Most are MPLABS defaults for the 18F452 =
chip, but a few need to be changed.
>>>=20
>>> As for Sam's, Tracy did extensive modifications for Sam'scontroller =
that he now regrets having done. Sam would really, really be better off =
with a pair (for redundancy) of SpeedUino boards. Program them for a 4 =
cylinder Subaru and go from there. (What might be happening with the EC3 =
is that it has a startup timing setting and a running timing setting. =
That big bore Continental may have one cylinder firing that swings the =
prop around at a speed that fools the controller into thinking that the =
engine is running and switch to running (advanced) ignition; but the =
engine didn't start and now the next spark comes too early. Why Sam =
didn't experience that until recently I don't know. Maybe he used to =
start on mags?)
>>>=20
>>> Finn
>>>=20
>>> On 6/16/2019 7:16 PM, Stephen Izett stephen.izett@gmail.com wrote:
>>>> Hi Fin.
>>>>=20
>>>> No your right in relation to removing the chips and creating a =
programming socket. To easy really.
>>>> And yes, the config of the chips many options which I don???t think =
are in the code itself unless Ive missed something.
>>>>=20
>>>> Steve
>>>>=20
>>>>=20
>>>>=20
>>>>=20
>>>>> On 16 Jun 2019, at 11:24 pm, Finn Lassen finn.lassen@verizon.net =
<flyrotary@lancaironline.net> wrote:
>>>>>=20
>>>>> Are these not the EQU statements in the code that you uncomment by =
removing the ";" in front of the one you want?
>>>>>=20
>>>>> Oh, config for the particular chip used?
>>>>>=20
>>>>> Again, I'm not (yet) familiar with the development and compiler to =
know what's required.
>>>>>=20
>>>>> I don't understand what's so difficult about removing the chips =
from the board and programming them in a $7 socket connected to the 4 or =
so programming wires from the PICKit3.
>>>>>=20
>>>>> Finn
>>>>>=20
>>>>> On 6/16/2019 3:50 AM, Stephen Izett stephen.izett@gmail.com wrote:
>>>>>> Thanks Finn.
>>>>>> Thats disappointing to hear.
>>>>>> I still may need to reprogram mine for (turbo or change in coils) =
so I???ll be interested in what others find.
>>>>>> I may need to go back to my EC2 which I can reprogram.
>>>>>>=20
>>>>>> I don???t understand the config settings coming out of compiling =
the code.
>>>>>> Tracy previously provided the following config for the EC2
>>>>>> Osc                             EC OSC2 as RA6
>>>>>> Osc Sw                       Disabled
>>>>>> Pwr Up timer              Enabled
>>>>>> Brown out                   Enabled
>>>>>> Brown out V.               2.7V
>>>>>> WDT                            Enabled
>>>>>> WDT Postscale          1:256
>>>>>> CCP2 MUX                 RC1
>>>>>> MCLR Enable            MCLR Disabled  RG5 Enable
>>>>>> Stack Ovf                    Enabled
>>>>>> LV Program                Disabled
>>>>>>=20
>>>>>> Not sure how you would create the executable without these config =
data for the compiler.
>>>>>>=20
>>>>>> Cheers
>>>>>>=20
>>>>>> Steve
>>>>>>=20
>>>>>>=20
>>>>>>=20
>>>>>>> On 16 Jun 2019, at 2:03 pm, Sam Hoskins sam.hoskins@gmail.com =
<flyrotary@lancaironline.net> wrote:
>>>>>>>=20
>>>>>>> Thank you Finn.
>>>>>>>=20
>>>>>>> A lot of pieces still missing, but maybe there is still hope for =
my system.
>>>>>>>=20
>>>>>>>=20
>>>>>>> On Sun, Jun 16, 2019, 5:51 AM Finn Lassen =
finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote:
>>>>>>> Talked with Tracy today.
>>>>>>>=20
>>>>>>> Yes, programming pins are carried out to the DB connectors on =
the EC3.
>>>>>>> However, there has been some instances where in-circuit =
programming
>>>>>>> didn't go well (he never found out why), so he recommends =
programming
>>>>>>> the chips removed from?? the board (for example using the socket =
I
>>>>>>> ordered). He mentioned that he could not figure how to get it to =
work
>>>>>>> with more recent versions of MPLABS and recommends version 8.15 =
or so
>>>>>>> (should still be available on the Internet
>>>>>>> =
https://www.microchip.com/development-tools/pic-and-dspic-downloads-archiv=
e).
>>>>>>> Need to confirm that the version that worked for him is indeed =
8.15
>>>>>>>=20
>>>>>>> The config file should be automatically generated first time you =
compile
>>>>>>> the code, unless he's forgotten something.
>>>>>>>=20
>>>>>>> Problem with Sam's version is he's forgotten the mental notes =
about the
>>>>>>> differences between the rotary and the big bore aircraft =
engines.
>>>>>>> Basically the EC3 is now old technology (the 18F452 chip =
considered
>>>>>>> obsolete) and recommends using readily available Arduino-based =
engine
>>>>>>> controller boards.
>>>>>>>=20
>>>>>>> Gave the example that even though the plans still exist , no one =
could
>>>>>>> build a Saturn V rocket today, because the engineers and their =
notebooks
>>>>>>> (mental and otherwise) on how to actually build it are gone.
>>>>>>>=20
>>>>>>> Regarding reading and understanding the code, remember that it =
is
>>>>>>> interrupt-driven and not just one long series of sequential =
code.
>>>>>>>=20
>>>>>>> I hope I've properly understood and relayed his comments here.
>>>>>>>=20
>>>>>>> Finn
>>>>>>>=20
>>>>>>> On 6/15/2019 10:09 AM, Stephen Izett stephen.izett@gmail.com =
wrote:
>>>>>>>> Hi Fin
>>>>>>>> I see that on the J2 DB connector pins 1 and 11 are marked =
FACTORY USE ONLY.
>>>>>>>> These maybe for programming.
>>>>>>>> Steve
>>>>>>>>=20
>>>>>>>>> On 15 Jun 2019, at 9:50 pm, Stephen Izett =
stephen.izett@gmail.com <flyrotary@lancaironline.net> wrote:
>>>>>>>>>=20
>>>>>>>>> Hi Fin
>>>>>>>>> Sorry. I missed your photo, but found it just now. Yes, =
appears no headers!
>>>>>>>>> So we need a circuit diagram. Pins 16 &17 (PGD and PGC) of =
each processor would need to be accessed for in circuit programming me =
thinks.
>>>>>>>>>=20
>>>>>>>>> Steve
>>>>>>>>>=20
>>>>>>>>>=20
>>>>>>>>>=20
>>>>>>>>>> On 15 Jun 2019, at 9:35 pm, Finn Lassen =
finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote:
>>>>>>>>>>=20
>>>>>>>>>> I thought I'd posted a picture of the EC3 on 12 June.
>>>>>>>>>>=20
>>>>>>>>>> Trying again.
>>>>>>>>>>=20
>>>>>>>>>> There are no header pins.
>>>>>>>>>>=20
>>>>>>>>>> Finn
>>>>>>>>>>=20
>>>>>>>>>> On 6/15/2019 9:28 AM, Stephen Izett stephen.izett@gmail.com =
wrote:
>>>>>>>>>>> I only spent a few moments on it but the version of MPLABS I =
have didn't accept the PICkit3 for programming the
>>>>>>>>>>> 18F452 processors which appears in Tracy???s notes as the =
EC3 processors.
>>>>>>>>>>>=20
>>>>>>>>>>> Have you looked inside your EC3? Are there 6 pin ICSP =
headers for in circuit programming like he EC2?
>>>>>>>>>>>=20
>>>>>>>>>>> Would like to hear from Tracy or someone else that has =
experience programmed the EC3.
>>>>>>>>>>> We also need the config data for the compiler.
>>>>>>>>>>>=20
>>>>>>>>>>> Steve
>>>>>>>>>>>=20
>>>>>>>>>>>=20
>>>>>>>>>>>=20
>>>>>>>>>>>=20
>>>>>>>>>>>=20
>>>>>>>>>>>> On 15 Jun 2019, at 9:03 pm, Finn Lassen =
finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote:
>>>>>>>>>>>>=20
>>>>>>>>>>>> I hope that's not true. What makes you think that?
>>>>>>>>>>>>=20
>>>>>>>>>>>> I just ordered https://www.ebay.com/itm/262583587324
>>>>>>>>>>>> and https://www.ebay.com/itm/273846534119
>>>>>>>>>>>> I figured I can connect the 6 wires directly to the DIP40 =
pins, bypassing the DIP40 socket.
>>>>>>>>>>>>=20
>>>>>>>>>>>> I still need to download MPLABS andget familiar with that, =
but that's several weeks in the future.
>>>>>>>>>>>>=20
>>>>>>>>>>>> Finn
>>>>>>>>>>>> (Currently fighting with the RV-4 cowl and trying to =
determine which radiator(s) and oil cooler to use.)
>>>>>>>>>>>>=20
>>>>>>>>>>>>=20
>>>>>>>>>>>> On 6/15/2019 6:05 AM, Stephen Izett stephen.izett@gmail.com =
wrote:
>>>>>>>>>>>>> Hi Fin
>>>>>>>>>>>>>=20
>>>>>>>>>>>>> Ive spent a few moments looking at the EC3 code.
>>>>>>>>>>>>> I???ve previously updated the settings of my EC2 using the =
method discussed previously, using MPLABS and a PICkit3,
>>>>>>>>>>>>> however having looked at the EC3???s processor details =
I???m not sure if it can be programmed with a tool like the PICkit3.
>>>>>>>>>>>>> I???ll need to look further into this.
>>>>>>>>>>>>> I???m hoping Tracy might be able to enlighten us re =
programming the EC3 processors and the config settings required.
>>>>>>>>>>>>>=20
>>>>>>>>>>>>> Does anyone else have the details re programming the EC3 =
etc.
>>>>>>>>>>>>>=20
>>>>>>>>>>>>> Steve Izett
>>>>>>>>>>>>>> On 11 Jun 2019, at 10:07 pm, Stephen Izett =
stephen.izett@gmail.com <flyrotary@lancaironline.net> wrote:
>>>>>>>>>>>>>>=20
>>>>>>>>>>>>>> See pdf of an EC2 circuit board showing in-circuit =
programming headers. The EC3 will be similar.
>>>>>>>>>>>>>> <EC2 Board.pdf>
>>>>>>>>>>>>>>=20
>>>>>>>>>>>>>>> On 11 Jun 2019, at 9:10 pm, Finn Lassen =
finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote:
>>>>>>>>>>>>>>>=20
>>>>>>>>>>>>>>> Something like this?
>>>>>>>>>>>>>>> =
https://www.ebay.com/itm/PICKit3-Microchip-Programmer-w-USB-cable-wires-Pi=
c-Kit-3-and-ICSP-Socket/391965539252?hash=3Ditem5b42f77bb4:g:je8AAOSw86JaY=
6CJ:sc:USPSFirstClass!32619!US!-1
>>>>>>>>>>>>>>>=20
>>>>>>>>>>>>>>> and this?
>>>>>>>>>>>>>>> =
https://www.ebay.com/itm/Plcc44-to-dip40-usb-universal-programmer-ic-adapt=
er-tester-socket-LB/273846534119?_trkparms=3Daid%3D555018%26algo%3DPL.SIM%=
26ao%3D1%26asc%3D57921%26meid%3Db074d810b54f4576947055bf696657dc%26pid%3D1=
00005%26rk%3D4%26rkt%3D12%26sd%3D273856754141%26itm%3D273846534119&_trksid=
=3Dp2047675.c100005.m1851
>>>>>>>>>>>>>>>=20
>>>>>>>>>>>>>>> What is a 6-way header?
>>>>>>>>>>>>>>>=20
>>>>>>>>>>>>>>> I wonder if the above programmer will work with MPLabs =
(a 744 MB download!)
>>>>>>>>>>>>>>> =
https://www.microchip.com/mplab/mplab-x-ide?gclid=3DCj0KCQjwov3nBRDFARIsAN=
gsdoGRjNrAf5W07wtNtIBqL4MdFvN4apzRq5hhCoPP7bXzELwMPrM-RbQaAtixEALw_wcB
>>>>>>>>>>>>>>>=20
>>>>>>>>>>>>>>> Finn
>>>>>>>>>>>>>>>=20
>>>>>>>>>>>>>>> On 6/11/2019 12:26 AM, Stephen Izett =
stephen.izett@gmail.com wrote:
>>>>>>>>>>>>>>>> I use a PICkit 3 programmer which I imagine are about =
$50USD.
>>>>>>>>>>>>>>>> This plugs into the 6 way (from memory) headers along =
side of each of the pic processors.
>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>> Homepage:  http://www.flyrotary.com/
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http://mail.lancaironline.net:81/lists/flyrotary/List.html
>>>>>>>>>>>>>> --
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>>>>>>>>>>>>> --
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>>>>>>>>>>>>>=20
>>>>>>>>>>>> --
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>>>>>>>>>>> --
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>>>>>>>>>>>=20
>>>>>>>>>> --
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>>>>>>>>> --
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>>>>>>>> --
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>>>>>>>>=20
>>>>>>> --
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>>>>>>=20
>>>>> --
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>>>> --
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>>>>=20
>>> <Config_bits.TXT>--
>>> Homepage:  http://www.flyrotary.com/
>>> Archive and UnSub:   =
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>>=20
>> --
>> Homepage:  http://www.flyrotary.com/
>> Archive and UnSub:   =
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>>=20
>=20
>=20
> --
> Homepage:  http://www.flyrotary.com/
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