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AuthorTopic: CHDK trouble
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Post CHDK trouble
on: August 21, 2010, 18:35
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Hi

I have emailed you before, i have a canon A470 but i'm stuck on how to get the CHDK program on the SD card i'm using a 1 gb for starters so any help you can give me would be great i need details.

thanks
-Evan

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Post Re: CHDK trouble
on: August 21, 2010, 18:36
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Its hard to know exactly what is the problem without having the camera. Have you checked out chdk's installation instructions? Where are you stuck? I pasted the installation instructions below

Index:
01 - Introduction & Camera Specific Notes
02 - Installation
03 - FAQ
04 - Links, Urls
05 - GPL, License
06 - uBASIC copyright notice

************************************

01 - Introduction
Hi,
this is the small readme to CHDK. It provides just enough info to get you rolling, for more information use the links in the bottom.

CHDK is a firmware enhancement that operates on a number of Canon Cameras. CHDK gets loaded into your camera's memory upon bootup (either manually or automatically). It provides additional functionality beyond that currently provided by the native camera firmware.
CHDK is not a permanent firmware upgrade: you decide how it is loaded (manually or automatically) and you can always easily remove it.
Main features:
* Save images in RAW format
* Ability to run "Scripts" to automate the camera
* Live histogram (RGB, blended, luminance and for each RGB channel)
* Zebra mode (blinking highlights and shadows to show over/under exposed areas)
* An "always on" full range Battery indicator
* Ability to turn off automatic dark-frame subtraction
* a higher compression movie mode, and double the maximum video file size
* exposure times as long as 65 seconds
* exposure times as little as 1/10,000 of a second
* ability to use the USB port for a remote trigger input
Additional features:
* a depth-of-field (DOF)-calculator
* File browser
* Text reader
* Calendar
* Some fun tools and games
Why would I want to use CHDK?
* To get Raw file capability on cameras that don't have that ability
* To get the ability to use scripts
* to be able to know the battery status at all times (not just when it's about to run out of power)
* you want or need any of the other enhancement features that CHDK provides
What are scripts? Scripts are BASIC language programs that give you the ability to control the operation of the camera under program control. They have been used to add or extend the native capability of the camera: more flexible intervalometers, extended-range exposure compensation, extended bracketing ability, lightning photography, etc. See the script pages for more details.

(to be expanded)
****************************************
Camera depending notes:
- dryos camera
beta port, see http://chdk.setepontos.com/index.php/topic,3368.msg31068.html#msg31068
TODO:
* Add (super)long exposure time
* Camera colour profile etc (copypastad atm)********************************
02 - Installation

- Exract the archive onto your SD card using an SD card-reader. You MUST use a card-reader. You cannot copy files to your SD card by just using "Windows File Explorer" and your camera connected by USB cable. The USB connection to the camera is just for downloading images, not uploading files.
- Now that all the CHDK files are on your SD card, make sure that you have the right version of CHDK for your camera.
- Insert the SD card into your camera.
- Start camera IN PLAYBACK-MODE.
- When you extracted the archive it placed a file on your card called "vers.req" (or "ver.req" depending on the camera model). This will allow you to see, with the right camera-button presses, the TRUE firmware version of your camera (and other interesting information).
- Press your "Set" button, hold it down. While holding down your "Set" button press your "Display" button. You will see the version of the firmware in your camera. Confirm that it is the right firmware to match up with the CHDK that you downloaded. Your real firmware version is NOT 1.0.1.0 nor 1.0.0.0 Your REAL firmware version will look something like: "Firmware Ver GM1.00A". (Pressing "Display" again a few times while still holding down your "Set" button will let you see even more information about your camera, including total number of shots taken since it was made.)
- If all went well, correct camera, correct firmware, correct CHDK, now you can actually load and run CHDK.
- While still in PLAYBACK MODE press your camera's "Menu" button to open Canon's Menu
- Scroll to the bottom of the menu to the "Firm Update" option which should now be available. If by chance that you fail to see the "Firm Update" menu option try pressing your Playback button twice. You might have to wait 2 seconds between presses. When this is done right the lens will retract and go into a power-saving viewer/slideshow playback mode. This seems to be an option on most Powershot Cameras.
- Now that your menu cursor is on the "Firm Update" option, press your "Set" button or "Right" navigation button to enter the "Firmware Update" Screen. Either button press will work.
- Press your "Right" navigational button to select OK. Press your "Set" button to confirm your choice.
- Your camera will now load CHDK. You should see the blue "Print" button on the back of your camera flash a few times to let you know that CHDK is booting, and the CHDK Splash-Screen will appear in your viewfinder or LCD display. When fully loaded you will see a new battery-meter icon and several other things on your LCD or EVF display. Don't worry if they look like clutter, all of them can be turned on and off and repositioned on your screen in CHDK's configuration menu system. (CHDK <ALT> mode / Menu / OSD Parameters / OSD Layout Editor)
- To enter CHDK's alternate menu system, press your "Shortcut" button. A small "<ALT>" will appear at the bottom of your screen. Whenever <ALT> is showing you may now press your camera's "Menu" button to enter CHDK's new menus. To exit <ALT> mode and return to your camera's normal operation just press your "Shortcut" button again. The settings that you apply in CHDK's menus will now be applied when using the camera normally (while not in <ALT> mode). The only time you will use <ALT> mode for actually taking pictures is if you run an automated CHDK script to take your photos for you. If you want to use your "Shortcut" button's normal function just press and hold it down a little longer. Some cameras allow you to reconfigure your CHDK "<ALT>" toggle button in the CHDK "Miscellaneous Stuff" menu in case you don't like it being the "Shortcut" button.
- If you would like to have CHDK auto-load every time you power on your camera, then go into CHDK's menu system. (Press "Shortcut" to enter <ALT> mode, then your "Menu" button to enter CHDK's menus.) Scroll to the bottom of the main CHDK menu to the "Debug Parameters" option.
- Enter the "Debug" menu and scroll to "Make Card Bootable...". Press your "Set" button.
- Now remove your SD card and slide its little "write protect" tab to the locked position. Insert the card back in your camera. Now when you power-up your camera CHDK will automatically load. If you want to turn off CHDK's auto-loading feature just take out the SD card and put the write-protect tab back to the unlocked position. Don't worry about using the card either way. CHDK is designed to work with a locked card in this manner and all photos taken will be written to the card even when it is locked/write-protected.
- Or for Windows users: use the "CardTricks" program (will be included here later).

(to be expanded)
****************************************
03 - FAQ
1. What is CHDK?
CHDK is not just one thing! The term CHDK refers to free software – currently available for many (but not all) Canon PowerShot compact digital cameras – that you can load onto your camera's memory card to give your camera greatly enhanced capabilities.
2. Am I likely to be interested in CHDK?
The enhanced capabilities that CHDK provides are most likely to be of interest to experienced photographers - if you believe that your Canon PowerShot camera already has more features than you will ever need, you probably won't be interested in CHDK.
3. Is CHDK safe to use?
Yes CHDK is safe. CHDK doesn't make any actual changes to your camera. If you delete the CHDK software from your memory card, or if you choose not to activate the CHDK software on the card (or remove and replace the batteries), then the camera will behave absolutely normally - nothing has been (or ever is) changed, so the warranty is not affected.
4. How does CHDK work?
CHDK makes use of the microprocessor that controls the camera (every digital camera contains a microprocessor) to act as a programmable computer that provides the extra capabilities.
5. What extra capabilities does CHDK provide?
The current set of extra capabilities fall into six categories:
a. Enhanced ways of recording images - you can capture still pictures in RAW format (as well as JPEG), and for video images you can have increased recording time and length (1 hour or 2 GB), and a greatly increased range of compression options.
b. Additional data displays on the LCD screen - histogram, battery life indicator, depth of field, and many more.
c. Additional photographic settings that are not available on the camera by itself - longer exposure times (up to 65 seconds), faster shutter speeds (1/25,000 sec, and faster in some cases), automatic bracketing of exposure, etc.
d. The ability for the camera to run programs ('scripts', written in a micro-version of the BASIC language) stored on the memory card - these programs allow you to set the camera to perform a sequence of operations under the control of the program. For example, a camera can be programmed to take multiple pictures for focus bracketing, or take a picture when it detects that something in the field of view moves or changes brightness.
e. The ability to take a picture, or start a program on the memory card, by sending a signal into the USB port - you can use the USB cable to take a picture remotely.
f. The ability to do a number of other more useful (and fun) things, such as act as a mini file browser for the memory card, let you play games on the LCD screen, etc.
6. What else should I know?
Developers around the world are continuing to add new features to CHDK. Because the idea of using the camera's microprocessor is so flexible, various developers have made different versions of CHDK, and new features continue to be developed - for example, one version of CHDK has features assist in taking stereo photographs, and even allows two cameras to be synchronized to take pictures at the same time (with an accuracy of better than 0.1 milliseconds, providing they are the same camera model).
(to be expanded)

Mcchriston
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Post Re: CHDK trouble
on: June 15, 2011, 02:57
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How does CHDK work?
CHDK makes use of the microprocessor that controls the camera (every digital camera contains a microprocessor) to act as a programmable computer that provides the extra capabilities.
5. What extra capabilities does CHDK provide?

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10 comments to Forum

  • mr new zealand

    Anyone ever tried sending up “chloroprene” weather balloons? I am considering testing one along with regular latex balloons.

  • Woodstock1

    Can anyone address how you are able to track the altitude during ascent? I wanted to use an iPod Touch instead of the phone because of the mobileMe application. However, mobileMe does not track altitude – so far as I have been able to tell. Any ideas? Thanks

  • SpacePeanut

    My high students just completed a launch in the Phoenix-Tucson area (12/9). It went 120 miles total- 50 more miles than the Wyoming predictions. The retrieval was a challenge. Our camera angle didn’t allow for many atmospheric shots, but got some great ground shots and a few planes. I estimate that altitude to be between 80-100k.
    Question- anyone know of cheap, but reliable altimeters? Or is there another way to gauge altitude? I tried doing angular measurements of ground features, but not sure how reliable they are.
    http://www.youtube.com/watch?v=SnRz58K16Ag

  • SpacePeanut

    Question- How did the Icarus guys figure their altitude? I haven’t found it on the site. I don’t think they had an altimeter did they?
    I am trying to figure out how to do altitude without an altimeter.

  • Ree

    OK. So I have a 600g balloon. How much helium does it hold? I’m going to buy the helium now and do the math laters, so I need a number that’s More than what I need.

  • mustangman1

    I am gearing up to build and launch a upper atmosphere observer. This will include video gps tracking and gps logging to keep track of the pay load and record its flight path. I hope to launch in late july early august. I want to use a 500 gram balloon with a burst diameter of 15 feet. I want to reach an altitude of 100 to 150 thousand feet. 1) Can this be done with that balloon? 2) How far should I inflate the balloon? 3)Pay load is about 5 to 10 pounds +/-, parachute will be a 40 inch, What is the best way to deploy the chute?

    • Zenithv99

      I have an answer some of your questions: 1. You will only get to about 80-90000ft if you use the 500g balloon. 2. You should inflate it to about 9-10 ft, but I am not so sure about the exact diameter. 3. Max payload weight is slightly over 2.2 lbs. I got these specs from a similar 500g balloon with a burst diameter of around 17 ft. I would suggest getting a larger balloon for your task. You can look up “weather balloon” on ebay and there are a few large (2000+ gram) military surplus balloons up for sale for about $35 each. Getting enough helium in such large balloons would be expensive, but if that’ s not a problem for you, buying a surplus one would be the best bet.

  • This will include video gps tracking and gps logging to keep track of the pay load and record its flight path.

  • madchefmark

    Inspired by Popular Science Magazine my 13 year old son wanted to give this project a try this summer. Considering we live in Orlando Florida and just witnessed the last shuttle launch/landing, I obliged him and his science aspirations with a generous budget and lots of help.

    We launched on the 25th of July 2011. A summary of the project can be found here: http://www.brickandfire.com/files/Project-Asporto-Mission-1.pdf

    We have started a facebook page: http://www.facebook.com/pages/Project-Asporto/142406169175603 to record the entire project so “like” our page and follow our next trip in the first or second week of August.

    Just a heads up, after all considerable research on GPS trackers, the solution we came up with was the SPOT Personal GPS tracker. Ironic that on the PDF here, they covet the same item. Cool part is that it will automatically update its position to our facebook page on the next go. We are stoked!

  • Bob

    Does anyone have the original footage? I’d love to see the high def images.

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