flyrotary@lancaironline.net Mailing List Archive

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’t 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: > > Are these not the EQU statements in the code that you uncomment by removing the ";" in front of the one you want? > > Oh, config for the particular chip used? > > Again, I'm not (yet) familiar with the development and compiler to know what's required. > > 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. > > Finn > > 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. >> >> 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 >> >> Not sure how you would create the executable without these config data for the compiler. >> >> Cheers >> >> Steve >> >> >> >>> On 16 Jun 2019, at 2:03 pm, Sam Hoskins sam.hoskins@gmail.com <flyrotary@lancaironline.net> wrote: >>> >>> Thank you Finn. >>> >>> A lot of pieces still missing, but maybe there is still hope for my system. >>> >>> >>> On Sun, Jun 16, 2019, 5:51 AM Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote: >>> Talked with Tracy today. >>> >>> 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-archive). >>> Need to confirm that the version that worked for him is indeed 8.15 >>> >>> The config file should be automatically generated first time you compile >>> the code, unless he's forgotten something. >>> >>> 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. >>> >>> 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. >>> >>> Regarding reading and understanding the code, remember that it is >>> interrupt-driven and not just one long series of sequential code. >>> >>> I hope I've properly understood and relayed his comments here. >>> >>> Finn >>> >>> 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 >>>> >>>>> On 15 Jun 2019, at 9:50 pm, Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironline.net> wrote: >>>>> >>>>> 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. >>>>> >>>>> Steve >>>>> >>>>> >>>>> >>>>>> On 15 Jun 2019, at 9:35 pm, Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote: >>>>>> >>>>>> I thought I'd posted a picture of the EC3 on 12 June. >>>>>> >>>>>> Trying again. >>>>>> >>>>>> There are no header pins. >>>>>> >>>>>> Finn >>>>>> >>>>>> 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. >>>>>>> >>>>>>> Have you looked inside your EC3? Are there 6 pin ICSP headers for in circuit programming like he EC2? >>>>>>> >>>>>>> Would like to hear from Tracy or someone else that has experience programmed the EC3. >>>>>>> We also need the config data for the compiler. >>>>>>> >>>>>>> Steve >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>>> On 15 Jun 2019, at 9:03 pm, Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote: >>>>>>>> >>>>>>>> I hope that's not true. What makes you think that? >>>>>>>> >>>>>>>> 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. >>>>>>>> >>>>>>>> I still need to download MPLABS andget familiar with that, but that's several weeks in the future. >>>>>>>> >>>>>>>> Finn >>>>>>>> (Currently fighting with the RV-4 cowl and trying to determine which radiator(s) and oil cooler to use.) >>>>>>>> >>>>>>>> >>>>>>>> On 6/15/2019 6:05 AM, Stephen Izett stephen.izett@gmail.com wrote: >>>>>>>>> Hi Fin >>>>>>>>> >>>>>>>>> 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. >>>>>>>>> >>>>>>>>> Does anyone else have the details re programming the EC3 etc. >>>>>>>>> >>>>>>>>> Steve Izett >>>>>>>>>> On 11 Jun 2019, at 10:07 pm, Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironline.net> wrote: >>>>>>>>>> >>>>>>>>>> See pdf of an EC2 circuit board showing in-circuit programming headers. The EC3 will be similar. >>>>>>>>>> <EC2 Board.pdf> >>>>>>>>>> >>>>>>>>>>> On 11 Jun 2019, at 9:10 pm, Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote: >>>>>>>>>>> >>>>>>>>>>> Something like this? >>>>>>>>>>> https://www.ebay.com/itm/PICKit3-Microchip-Programmer-w-USB-cable-wires-Pic-Kit-3-and-ICSP-Socket/391965539252?hash=item5b42f77bb4:g:je8AAOSw86JaY6CJ:sc:USPSFirstClass!32619!US!-1 >>>>>>>>>>> >>>>>>>>>>> and this? >>>>>>>>>>> https://www.ebay.com/itm/Plcc44-to-dip40-usb-universal-programmer-ic-adapter-tester-socket-LB/273846534119?_trkparms=aid%3D555018%26algo%3DPL.SIM%26ao%3D1%26asc%3D57921%26meid%3Db074d810b54f4576947055bf696657dc%26pid%3D100005%26rk%3D4%26rkt%3D12%26sd%3D273856754141%26itm%3D273846534119&_trksid=p2047675.c100005.m1851 >>>>>>>>>>> >>>>>>>>>>> What is a 6-way header? >>>>>>>>>>> >>>>>>>>>>> I wonder if the above programmer will work with MPLabs (a 744 MB download!) >>>>>>>>>>> https://www.microchip.com/mplab/mplab-x-ide?gclid=Cj0KCQjwov3nBRDFARIsANgsdoGRjNrAf5W07wtNtIBqL4MdFvN4apzRq5hhCoPP7bXzELwMPrM-RbQaAtixEALw_wcB >>>>>>>>>>> >>>>>>>>>>> Finn >>>>>>>>>>> >>>>>>>>>>> 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/ >>>>>>>>>>> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html >>>>>>>>>> -- >>>>>>>>>> Homepage: http://www.flyrotary.com/ >>>>>>>>>> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html >>>>>>>>> -- >>>>>>>>> Homepage: http://www.flyrotary.com/ >>>>>>>>> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html >>>>>>>>> >>>>>>>> -- >>>>>>>> Homepage: http://www.flyrotary.com/ >>>>>>>> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html >>>>>>> -- >>>>>>> Homepage: http://www.flyrotary.com/ >>>>>>> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html >>>>>>> >>>>>> -- >>>>>> Homepage: http://www.flyrotary.com/ >>>>>> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html >>>>> -- >>>>> Homepage: http://www.flyrotary.com/ >>>>> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html >>>> -- >>>> Homepage: http://www.flyrotary.com/ >>>> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html >>>> >>> >>> -- >>> Homepage: http://www.flyrotary.com/ >>> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html >> >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html >> > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html