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Type: Posts; User: rbrockman

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  1. Replies
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    Please provide input on the code below. There...

    Please provide input on the code below. There are still a few watchdog items here I do not have an understanding of as of yet, but the code seems to be more or less working.

    Goal: Start a...
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    Thanks Martinayotte! How do you start/enable...

    Thanks Martinayotte!

    How do you start/enable the watchdog after a period of time in your code? Like after completing setup()
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    What are the units of these two values and how do...

    What are the units of these two values and how do they translate into time?

    WDOG_TOVALL = 1000; // The next 2 lines sets the time-out value.
    WDOG_TOVALH = 1;

    I've implemented this and it is...
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    IntervalTimer priorities

    I have a few questions about the new priority() function of IntervalTimer.

    1) What is the default priority of the timers?
    2) What is the range which can be used?
    3) Can the priority be set...
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    Hi Martinayotte - do you mind sharing your...

    Hi Martinayotte - do you mind sharing your watchdog code? What Froeber describes in post #24 is exactly what I'm trying to achieve.

    A very simple working code example would be extremely helpful...
  6. No. The signal is normally 13v, and then pulses...

    No. The signal is normally 13v, and then pulses low to 8v for about 10uS, before going back to 13v. I need to reliably detect this pulse.
  7. Guidance on detecting external pulses, digital input voltages and comparators

    I am looking for some guidance on reliably detecting external pulses with the Teensy 3.1. I'm using an ISR to detect a pin state change and this is all working well.
    The question is about...
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    Teensy 3.1 digital input voltage limit?

    I see that the Teensy 3.1 digital inputs are 5v tolerant. I'd like to understand that a bit more.

    If the sink current is limited to <5mA or so, at what point does the actual voltage become an...
  9. end the timer, and start it again with a new...

    end the timer, and start it again with a new interval

    timer1.end();
    timer1.begin(function, interval);
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    I'm waiting for the Teensy 3.0 Kardashian special...

    I'm waiting for the Teensy 3.0 Kardashian special edition with gold edges
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    Press Release...

    Press Release http://newsroom.intel.com/community/intel_newsroom/blog/2013/10/03/intel-ceo-announces-collaboration-with-arduino-to-inspire-creativity-learning-and-invention-with-makers-and-students
    ...
  12. Audio is such a large and diverse world... I've...

    Audio is such a large and diverse world... I've been using Twisted Pear audio products for quite a few years now. Specifically, their DAC and linestage products are quite good. I've built a few...
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    +1 Request for serialEvent() I'd like to stop...

    +1 Request for serialEvent()

    I'd like to stop polling for SerialAvailable() Will this run as an ISR or does it just hide simple polling in the background?
  14. Display Teensy 3 memory usage while program is executing?

    I'm working on building up some automated tests which exercise all of the functionality I've built into both the surrounding circuitry as well as the various API's I'm using with the Teensy 3.

    One...
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    I've verified this fixes all of the issues I'm...

    I've verified this fixes all of the issues I'm seeing. THANKYOU :D
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    I have eliminated the interrupts from the example...

    I have eliminated the interrupts from the example code using IntervalTimer, and the timer issue still exists. I'm now using Teensyduino 1.14 Release Candidate #2

    I've learned that the problem...
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    I appreciate your input into this issue as it has...

    I appreciate your input into this issue as it has kept me blocked for some time now.

    Let me be clear - the code examples above do not represent entirely my implementation using IntervalTimer,...
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    Yes I am using the latest beta which is supposed...

    Yes I am using the latest beta which is supposed to support 4 timers.

    Both of the examples I provided above basically do the same thing. When a specified pin goes high, start a timer for a...
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    I'm looking for any guidance on this issue. ...

    I'm looking for any guidance on this issue. Perhaps it's the approach I'm using but would like to hear if this is a bug with IntervalTimer. I'm open to proving any further examples required to...
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    I've written another example code which...

    I've written another example code which illustrates this problem. No external signals are necessary with this code.

    The code blinks the LED correctly using IntervalTimer with up to 3 timers. ...
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    Possible IntervalTimer bug

    or more likely I'm missing something here..

    I'm using the newly released IntervalTimer function with the Teensy3, and have been going in circles, so I'm asking for a sanity check. I've stripped...
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    Thank you for the quick response - I now have the...

    Thank you for the quick response - I now have the direction I need to proceed.
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    IntervalTimer usage

    I see that with Teensyduino 1.14, IntervalTimer is now integrated and supports the use of up to 4 timers. Thank you Paul!

    A question on the proper usage of instantiating and using these...
  24. I have a project which is using IntervalTimer...

    I have a project which is using IntervalTimer extensively. Regarding micro vs milli seconds my vote would be for microseconds if we have to choose a single unit of measure. A suggestion would be to...
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    detecting serial input with an interrupt?

    I am looking for some input on more efficient ways of detecting serial input.

    I have been detecting serial input by using the code below from within loop(). Seems to be pretty inefficient to...
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    http://www.parts-express.com/

    http://www.parts-express.com/
  27. This library is working great. Really simplified...

    This library is working great. Really simplified my code and is a great alternative to polling the clock often to do repetitive functions.

    I am very interested in seeing PIT3 working, and have...
  28. Thank you for this contribution - I am planning...

    Thank you for this contribution - I am planning on using this in an active project.

    Can you elaborate on PIT3 and it's conflict with the tone() function? Are you saying the PIT3 works, but if...
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    Thanks Paul. Would you mind commenting on these...

    Thanks Paul. Would you mind commenting on these executables to clarify their purpose, usage and any parameters involved?

    Yes - an option to run teensy.exe without any UI would be great for...
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    Firmware loader for Teensy 3

    I would like input into the feasibility of using Teensy 3 in a product that allows end users i.e. "consumers" to update the firmware through an application.

    I understand that you can force Teensy...
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    Thank you for pointing out these links. ...

    Thank you for pointing out these links.

    There really needs to be a wiki to document the major functionality and various library functions.
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    ADC configuration

    Looking for some input on how to configure each ADC input.

    I'd like to be able to set:
    * voltage reference
    * adc resolution
    * averaging

    I see the function analogReference(uint8_t type), but...
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    On a recent product I used a conformal coating on...

    On a recent product I used a conformal coating on the pcb's to protect them from the elements. I used products from Techspray - http://www.techspray.com/category-listproducts.php?cId=4, but I've...
  34. How to create variable length output pulses without blocking?

    I am looking for some guidance on creating four simultaneous and independent variable length output pulses on separate pins on the T3 without any blocking code to create the delays determining the...
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    Thanks for the input - if the EEPROM is wiped out...

    Thanks for the input - if the EEPROM is wiped out at each upload, this explains the difference I'm seeing between arduino functionality.
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    Teensy 3.0 and EEPROM usage

    I am able to run the following code on an Arduino board and it works as expected by retrieving stored values from EEPROM. When it is run on the Teensy 3, the values retrieved from the EEPROM after...
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