From: "Stephen Izett stephen.izett@gmail.com" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] Re: EC3 software
Date: Mon, 17 Jun 2019 07:16:41 +0800
References: <list-12680439@logan.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: <list-12680439@logan.com>
Message-Id: <36B98A29-E7AC-4C2B-B5B6-0E96DBE77D48@gmail.com>

Hi Fin.

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=E2=80=99t =
think are in the code itself unless Ive missed something.

Steve


> 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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>>=20
>=20
>=20
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