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Type: Posts; User: jferguson

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  1. Replies
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    The Nano doesn't really work as I was using it...

    The Nano doesn't really work as I was using it but the UNO does.
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    I think I found my problem. i used to use an...

    I think I found my problem. i used to use an Ardhuino Uno with RST shorted to ground as a signal booster to connect the Ublox GPS module to the USB port on the computer. The Uno is a bit clumsy for...
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    Brian, I apologize for waltzing you through all...

    Brian,
    I apologize for waltzing you through all of my difficulties, but they seem to continue. I'm now confronted by the possibility that two of my Ublox M8N's are counterfeit. Both have lost...
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    Thanks again, Brian. I'll add these to the setup.

    Thanks again, Brian. I'll add these to the setup.
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    Hi Brian, The may be more of an aesthetic...

    Hi Brian,

    The may be more of an aesthetic issue, but i need a routine to wait for the Ublox to start emitting real data before continuing my program. I'm using the clock functions to name the...
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    Bingo, After some fussing with Ublox-Center, I...

    Bingo,
    After some fussing with Ublox-Center, I was able to configure my M8N to emit what your code was looking for. Works great and will allow me to clean up my data-recorder code.
    Thanks much,
    ...
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    Hi Brian, I had thought, apparently wrongly,...

    Hi Brian,

    I had thought, apparently wrongly, that the 10 Hz binary signal from an M8N could not include the clock data. Accordingly, my 2016 flight data recorder included a clock module. In...
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    Hi Brian, I'd been successfully using another...

    Hi Brian,
    I'd been successfully using another UBLOX parser, but saw that you'd updated yours and so .....
    Using the Master library with UBLOX8.h and UBLOX8.cpp, the included example needs some...
  9. Thread: SBUS Library

    by jferguson
    Replies
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    Hi Brian, I have now integrated your sbus code...

    Hi Brian,
    I have now integrated your sbus code with my flight recording code and it works great. I decided to use x8r.read() rather than readCal because I will be able to use this form of output...
  10. Thread: SBUS Library

    by jferguson
    Replies
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    looks good Brian, Thanks much, john

    looks good Brian,
    Thanks much,
    john
  11. Thread: SBUS Library

    by jferguson
    Replies
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    Hi Brian, Now that I have one channel printing...

    Hi Brian,
    Now that I have one channel printing fine, I want to move on to printing the 4 channels my project needs. What you've done is


    if(x8r.readCal(&channels[0], &failSafe, &lostFrame)){...
  12. Thread: SBUS Library

    by jferguson
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    Hi Brian, Bingo, getting rid of the transistor...

    Hi Brian,
    Bingo, getting rid of the transistor inverter did the trick.
    thanks for a useful library

    best regards,

    john
  13. Thread: SBUS Library

    by jferguson
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    Hi Brian, Thanks much for these views as well as...

    Hi Brian,
    Thanks much for these views as well as the references.
    BTW, did you see any problem with my code?

    john
  14. Thread: SBUS Library

    by jferguson
    Replies
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    That's good. While we're here you suggested...

    That's good.

    While we're here you suggested that my aerodynamics recorder might want to see control surface deflections. My thought had been that I would relate control input and airspeed to...
  15. Thread: SBUS Library

    by jferguson
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    Boy are you quick. I'd thought that the inverted...

    Boy are you quick. I'd thought that the inverted logic applied to the teensy as well as the Mega. Wrong?
  16. Thread: SBUS Library

    by jferguson
    Replies
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    Here is what I've done: Teensy 3.2 - powered...

    Here is what I've done:
    Teensy 3.2 - powered externally with 5 volt to Vin port
    GND from power source to Pin 0

    input from X8R sbus port through 1k resistor to base of N3904, gnd to emitter,...
  17. Thread: SBUS Library

    by jferguson
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    The wire you see in the top-side photo is the one...

    The wire you see in the top-side photo is the one lead which couldn't be confined to the back. I've made maybe 3 dozen boards for different purposes and this is the first where I just couldn't do it...
  18. Thread: SBUS Library

    by jferguson
    Replies
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    Hi Brian, I've looked at your site and it's...

    Hi Brian,
    I've looked at your site and it's clear you are doing what I'm trying to do and likely much more successfully, but then I'm doing this for fun.
    two more photos, one of the flight recorder...
  19. Thread: SBUS Library

    by jferguson
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    Brian, This project is 3 years old. The...

    Brian,
    This project is 3 years old. The objective was to develop expertise in semi-autonomous (plane takes off and flies itself on a prescribed route and lands itself) very small fixed wing...
  20. Thread: SBUS Library

    by jferguson
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    Brian, this sounds pretty good. I realize that...

    Brian, this sounds pretty good. I realize that I'm not doing anything original here, but the challenge keeps me busy. it's late here and I'll try to respond more intelligently in the morning. john
  21. Thread: SBUS Library

    by jferguson
    Replies
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    Hi Brtaylor, Can you comment as to whether what...

    Hi Brtaylor,
    Can you comment as to whether what I describe below can be done more or less directly with your code, and just in case, you see something crazy about what I'm proposing, let me know? ...
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    Never mind. I must improve my search skills. I...

    Never mind. I must improve my search skills. I found the USB/Joystick code here, of all places.
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    Do any of you know where I can get a description...

    Do any of you know where I can get a description of PFC's yoke serial output? What do the data look like which describes pitch, roll, and yaw control input? Failing getting their serial protocol, a...
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    Sorry for the fuss. typically for me it was...

    Sorry for the fuss. typically for me it was stupidity. I had migrated my linux Aruduino-teensyduino IDE to a new computer and neglected to do the UDEV fix. So in addition to the teensy 3.2 I...
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    good idea defragster. external power. light...

    good idea defragster. external power. light doesn't flash when the usb is connected so must be a vin pin.
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    I'm running 1.8.5 on Linux 16.04 . More to the...

    I'm running 1.8.5 on Linux 16.04 . More to the point my serial terminal software which will detect a usb connection if it is there doesn't see it either. Other microcontrollers work fine.... so it's...
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    teensy 3.2 with unresponsive usb jack

    I have a teensy 3.2 with maybe two years in use. It flies in and r/c airplane and records attitude, altitude, gps position including height and some other things I'm interested in. It has never...
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    i found the problem - bad code. Apparently when...

    i found the problem - bad code. Apparently when I did this a year ago i'd fixed the problem but didn't save the repaired sketch so when i recompiled and loaded it had the old problem unfixed.
    ...
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    Is there any reason to think that the official...

    Is there any reason to think that the official Teensy SD card behaves any differently than the larger Catalex Cards? it looks like your card and the bigger one use the same IC's. The specific...
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    Never mind. I figured it out myself. john

    Never mind. I figured it out myself.
    john
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    Hi Constantin, thank you for your eagle files. I...

    Hi Constantin, thank you for your eagle files. I am routing boards which use Teensy 3.2 and maybe because of my age (74) and eyes could really use bigger pads. I did spend some time trying to see...
  32. Replies
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    That's a good idea but from looking at the error...

    That's a good idea but from looking at the error messages you may have code in zmodem and its associated modules which duplicates definitions in...
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    what ar you compiling with? with the arduino...

    what ar you compiling with? with the arduino 1.6.5 IDE I get these sorts of errors


    zmodem_rz.cpp.o:/usr/share/arduino/hardware/arduino/avr/cores/arduino/HardwareSerial.h:128: first defined here...
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    I see now, sorry for my confusion. I should be...

    I see now, sorry for my confusion. I should be able to get into this in the next day or so.

    thanks for your fine work,

    john
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    Hi BF, let me take a look, but it'll take a day...

    Hi BF,
    let me take a look, but it'll take a day or two. it would probably be useful if you whipped up a sketch, too.

    nice going.

    john
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    sounds good to me.

    sounds good to me.
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    Hi BF. it just occurred to me that since the...

    Hi BF. it just occurred to me that since the nano isn't connected via the usb port while it's in use, I can use the hardware serial port. let me try this before we pursue this any farther.

    in...
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    You know, this may not be worth your effort. if...

    You know, this may not be worth your effort. if I just belly up to the bar and replace the nano with a teensy, I'll be able to ditch softwareserial and use a hardware port, plus have plenty of room...
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    I'm sorry if i wasn't clear. I want to send data...

    I'm sorry if i wasn't clear. I want to send data from an SD which runs on a teensy 3.2 to an SD on a Nano. I assumed that your code would be fine on the teensy, but might not fit on a Nano in...
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    Hi BF, I'm sending from the teensy's SD and...

    Hi BF,
    I'm sending from the teensy's SD and receiving and writing to an SD on the Nano. let me check my nano for capacities. thx much. and yes, I will test it and try my best to make it work. but...
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    I already have another teensy and had expected...

    I already have another teensy and had expected that it would perform better than the Nano in a number of ways. downside is I need to provide space for a buck regulator to get the 9 volt battery...
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    I have a similar problem - teensy datalogger...

    I have a similar problem - teensy datalogger buried in an airframe but with a serial port on the outside. I'm recording to a micro-SD on the datalogger, but would like to be able to dump the record...
  43. thanks for this comprehensive dissertation. It...

    thanks for this comprehensive dissertation. It looks like what I need to do is rename the teensy-modified SD files to something like TSD so that i get them when i want them, but not otherwise. four...
  44. How does Teensyduino know it's coding for a non-teensy?

    I am having a terrible time writing code to copy a Teensy SD file to a Nano (with SoftSerial connection) SD file. It occurs to me that the Nano compilation may be seeing the Teensy SD library file...
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    I changed the begin() statement in SD.cpp from...

    I changed the begin() statement in SD.cpp from HALF to QUARTER and it works fine as far as I can see. this is going into a datalogger which will be storing 50 character strings at one second...
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    Any chance you meant begin() statement in SD.cpp...

    Any chance you meant begin() statement in SD.cpp ??
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