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    To give you a better Idea of what is going on. ...

    To give you a better Idea of what is going on. This is for a engine control unit or aftermarket ecu. The eeprom data is just the tuning variables for the car or motorcycle or whatever it's on. So...
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    Ok thanks guys. I've read over nxp docs that...

    Ok thanks guys. I've read over nxp docs that explains what you've been trying to tell me.. I'm just crap out of luck unless I add some eeprom or put the sd back on.. siggggghhh. Oh well.
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    Ok I just came across a spec sheet that said it...

    Ok I just came across a spec sheet that said it has a 4k x 8 eeprom size. So why is it so hard to find this info.
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    Yes this is a custom design. So the sd card was...

    Yes this is a custom design. So the sd card was left off. And I'm not talking about a lot of space required. There is 128k of space. I'm looking for 8k of that space. So there will be 120k left....
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    I don't want to add to the design. The sd has...

    I don't want to add to the design. The sd has been removed and is too slow for this application. Why is it so hard to increase the size when there is more than enough space there to do what ever is...
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    Ok yes i do understand that. But I need more...

    Ok yes i do understand that. But I need more than 4096 bytes of EEPROM space.
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    And in the eeprom.c file he used EEPARTITION and...

    And in the eeprom.c file he used EEPARTITION and the documentation says to us DEPART. So which is right I don't see anything in the docs that says EEPARTITION.
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    Ok after hours of reading what I get from all...

    Ok after hours of reading what I get from all this info is that I can set the FlexNVM to 126k of eeprom which is already done in the eeprom.c file. But the maximum set size is 4096 bytes. Or 4k. ...
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    3.5 EEPROM SIZE increase

    Hi all. I need a little guidance.. I can't seem to find any documentation on increasing the eeprom size on the 3.5. I need more room to store some values. I've pretty much filled up the 4096. Any...
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    I'm just taking a wild stab at this from what you...

    I'm just taking a wild stab at this from what you said in first sentence here. Pin 18 should be going to your program switch or button. I think you've done the same thing as I have on our first...
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    The low latency logger. I've looked over it. Do...

    The low latency logger. I've looked over it. Do you think that is something I could implement into this project?
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    Not using the teensy for just logging. It is the...

    Not using the teensy for just logging. It is the processor for the ecu. So the variables are updating internally. Just need to get them on the sd card.

    13941
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    I would think the sd card could be used to. But...

    I would think the sd card could be used to. But any writes to the card while the injectors and coils are firing. ie: engine running. Everything goes crazy. The tach input jumps around and the...
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    Or would it be better to add an external eeprom?

    Or would it be better to add an external eeprom?
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    I've been thinking too. Is there any way to...

    I've been thinking too. Is there any way to write these logs to the actual flash memory to be written to the card later? Just so there is no chance of loosing the log before the bike is cut off.
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    Oh ok. So does a for loop reset it's self? In...

    Oh ok. So does a for loop reset it's self? In other words you don't have to set x back to 0? I had a Serial.println in the for loop to see the values that where going into Storage[i] and it gave me...
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    It leaves the whole function when i > 800. Which...

    It leaves the whole function when i > 800. Which fills the Storage[800] buffer. It does reset itself to keep filling the storage buffer array correct?
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    Wish I could post the whole code here but there...

    Wish I could post the whole code here but there is about 20 pages of code. I'm just adding stuff to it. There are several timers set up and I have the sdlogger being called in the 100ms timer. ...
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    Yea I can't even get this working the way I want....

    Yea I can't even get this working the way I want. I really need some guidance here. And I think we have our sizes wrong too. I need to get 20 real time values 10 to 15 times per sec for at least...
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    But again I just want about 20 of those.

    But again I just want about 20 of those.
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    Those values update constantly as it runs.

    Those values update constantly as it runs.
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    Ok the structure is already created. struct...

    Ok the structure is already created.


    struct statuses {
    volatile bool hasSync;
    uint16_t RPM;
    long longRPM;
    int mapADC;
    int baroADC;
    long MAP; //Has to be a long for PID calcs...
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    don't see anything.

    don't see anything.
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    I understand what you are saying 100 percent. ...

    I understand what you are saying 100 percent. Just don't know how to implement. Sorry, just not knowledgeable enough. Haven't worked with data gathering much at all.
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    That's what would love to do but am stuggling...

    That's what would love to do but am stuggling with that. lol Very new to programming. I can get the math and the if statements but everything else is rough. Plus I need the data in csv. format. ...
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    I don't think they can. And me and interrupts...

    I don't think they can. And me and interrupts are not real friendly. LOL.
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    I just need 10 to 20 seconds as of right now.

    I just need 10 to 20 seconds as of right now.
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    Would it be best to just attach the code files? ...

    Would it be best to just attach the code files? Well never mind they are too big.
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    Ok. Let's see if I can explain this. Please...

    Ok. Let's see if I can explain this. Please bare with me. So the real time variables are updated constantly already. So putting them in a buffer is no prob. I want a max of 20 variables each...
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    Thanks guys for the input. I liked the fact of...

    Thanks guys for the input. I liked the fact of having the SD card on the board for this project. Just to reduce the amount of boxes. I do these for motorcycles so I would like to have the smallest...
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    Teensy 3.5 sd logging HELP!

    I'm using the Teensy 3.5 with a very popular project called Speeduino. Works very well. I wanted to implement the sd card slot for data logging the real time variables while the engine is running. ...
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    PWM with analogWrite not working properly

    Ok, I'm fairly new to programming and I think I know enough just to skimp by. lol. The prob I'm having is using the analogWrite function to pulse pin 29 on the 3.5 teensy. When it reaches 100%...
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