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Top 2GNT Technical Performance/Engine Engine Management Systems & Controllers topic #62
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Subject: "RE: Mr Slick hows the squirt comin along?" Previous topic | Next topic
MrSlickDec-15-04 11:03 AM
Member since Jul 22nd 2002
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#77, "RE: Mr Slick hows the squirt comin along?"
In response to In response to 12



          

Originally posted by Ready4Dis
Originally posted by MrSlick
Originally posted by micyek EGT input...cool electric BOV? opens the BOV based on TPS postion I bet. neat idea...but really usuful? other than a cool feature? *edit* how many things can this little guy handle before it starts slowing down?
Your pretty much on target with the BOV thing... I don't know if it's usefull or not, but will stop the BOV from opening at idle and low rpm/no boost situations... so it's worth a try. And the MS is still goign strong, although it's pretty much out of RAM... So not really any more features that can be added...
Can't you order the microprocess with more memory? I found a few microprocessors that are relatively cheap that are a bit faster, more memory, with 10-bit (as opposed to MS's 8-bit) inputs, so accuracy will be a little more precise. I was thinking about trying to convert part of the MS code over and use a different microprocessor that can handle a little bit more (was a 40mhz chip as opposed to the 32mhz they currently use.) I have a bit more research to do before I start ordering parts and designing on a breadboard, but hopefully I can get it working with ports, ram, and speed to spare. I see that they have a gcc port, so that is a possibility for ease of converting. There are a few similar, but this is the one i'm currently looking into: http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1335&dDocName=en010283


The way it works is the current Ms processor used, has run out of RAM in which to assign more variables... most of the code is just run from the ROM, but all variables must be put into the RAM.
All this means is theres not much room for any more features... but, the current code is VERY flexable... with 4 user definable outputs... as well as some spare inputs that can be used for things like Traction control, or EGT or fuel pressure monitoring... things like that.

The next version of MS, called MS-II, will have 4 time the RAM... so if we convert the msns-extra code over to that, then we can start adding more stuff... but the cirrent list of features is very extensive.

Also, the MS only actually runs at 8Mhz...

If anyone has any more questions.. feel free to ask.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Megasquirt powered 420A
Custom turbo system

http://www.ms-custom.com

  
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Mr Slick hows the squirt comin along? [View all] , widebodyeclipse, Dec-14-04 04:15 AM
  RE: Mr Slick hows the squirt comin along?, TXTurboGS, Dec-14-04 09:25 AM, #1
RE: Mr Slick hows the squirt comin along?, Teamner947, Dec-14-04 10:15 AM, #2
      RE: Mr Slick hows the squirt comin along?, widebodyeclipse, Dec-14-04 12:46 PM, #3
           RE: Mr Slick hows the squirt comin along?, MrSlick, Dec-14-04 02:50 PM, #4
                RE: Mr Slick hows the squirt comin along?, JWoodley, Dec-14-04 04:01 PM, #5
                     RE: Mr Slick hows the squirt comin along?, xtrickedeclipsex, Dec-14-04 08:12 PM, #6
                          RE: Mr Slick hows the squirt comin along?, Moderatormicyek, Dec-15-04 02:30 AM, #7
                               RE: Mr Slick hows the squirt comin along?, MrSlick, Dec-15-04 02:44 AM, #8
                                    RE: Mr Slick hows the squirt comin along?, Keith2172, Dec-15-04 04:42 AM, #9
                                    RE: Mr Slick hows the squirt comin along?, MrSlick, Dec-15-04 07:36 AM, #10
                                         RE: Mr Slick hows the squirt comin along?, turbo8u, Dec-15-04 09:12 AM, #11
                                    RE: Mr Slick hows the squirt comin along?, Ready4Dis, Dec-15-04 10:04 AM, #12
                                         RE: Mr Slick hows the squirt comin along?, Teamner947, Dec-15-04 10:35 AM, #13
                                         RE: Mr Slick hows the squirt comin along?, Teametx, Dec-15-04 10:44 AM, #14
                                         RE: Mr Slick hows the squirt comin along?, MrSlick, Dec-15-04 11:03 AM #15
                                              RE: Mr Slick hows the squirt comin along?, widebodyeclipse, Dec-15-04 11:39 AM, #16
                                              RE: Mr Slick hows the squirt comin along?, MrSlick, Dec-15-04 12:35 PM, #17
                                                   RE: Mr Slick hows the squirt comin along?, widebodyeclipse, Dec-15-04 12:50 PM, #18
                                                   RE: Mr Slick hows the squirt comin along?, MrSlick, Dec-15-04 01:02 PM, #21
                                                   RE: Mr Slick hows the squirt comin along?, turbo8u, Dec-15-04 12:58 PM, #19
                                                        RE: Mr Slick hows the squirt comin along?, MrSlick, Dec-15-04 01:01 PM, #20
                                                             RE: Mr Slick hows the squirt comin along?, turbo8u, Dec-15-04 01:04 PM, #22
                                                                  RE: Mr Slick hows the squirt comin along?, MrSlick, Dec-15-04 01:07 PM, #23
                                                                       RE: Mr Slick hows the squirt comin along?, widebodyeclipse, Dec-15-04 01:20 PM, #24
                                                                            RE: Mr Slick hows the squirt comin along?, extreme97nt, Dec-15-04 04:21 PM, #25
                                                                                 RE: Mr Slick hows the squirt comin along?, grain, Dec-16-04 04:17 AM, #26
                                              RE: Mr Slick hows the squirt comin along?, Ready4Dis, Dec-16-04 08:22 AM, #27
                                                   RE: Mr Slick hows the squirt comin along?, MrSlick, Dec-16-04 02:14 PM, #28
                                                        RE: Mr Slick hows the squirt comin along?, widebodyeclipse, Dec-16-04 03:22 PM, #29
                                                             RE: Mr Slick hows the squirt comin along?, turbo8u, Dec-16-04 03:41 PM, #30
                                                             RE: Mr Slick hows the squirt comin along?, ModeratorDR1665v2, Dec-16-04 04:57 PM, #31
                                                                  RE: Mr Slick hows the squirt comin along?, widebodyeclipse, Dec-20-04 05:29 AM, #32
                                                                       RE: Mr Slick hows the squirt comin along?, MrSlick, Dec-20-04 06:19 AM, #33
                                                                            RE: Mr Slick hows the squirt comin along?, TXTurboGS, Dec-20-04 06:37 PM, #34
                                                                                 RE: Mr Slick hows the squirt comin along?, DSMHybred, Feb-22-05 05:48 PM, #35

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