colorado space grant consortium
DESCRIPTION
Gateway To Space ASEN / ASTR 2500 Class #13. Colorado Space Grant Consortium. Canon A570 IS Mods:. The following instructions will walk you through the steps needed to change the firmware on this camera to take picture every 20 seconds. Canon A570 IS Mods:. - PowerPoint PPT PresentationTRANSCRIPT
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1Colorado Space Grant ConsortiumColorado Space Grant Consortium
Gateway To SpaceASEN / ASTR 2500
Class #13
Gateway To SpaceASEN / ASTR 2500
Class #13
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-The following instructions will walk you through the steps needed to change the firmware on this camera to take picture every 20 seconds
Canon A570 IS Mods:
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-The CHDK code was originally written by Rick von Glahn from Edge of Space Sciences (EOSS)
-These steps are performed with the camera modified to turn on and off with a external switch
-The steps to modify the hardware of the camera are contained in a different presentation
Canon A570 IS Mods:
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-This mod uses CHDK to add autonomy to a digital camera without the use of a timing circuit or further modifications to the camera
-CHDK is firmware enhancement
- It only works with Canon digital cameras
-Please see the following website for much more information http://chdk.wikia.com/wiki/CHDK
Canon A570 IS Mods:
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-Take your camera out of the box
Canon A570 IS Mods:
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- Insert the batteries
Canon A570 IS Mods:
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- Turn on camera by touching two wires together
Canon A570 IS Mods:
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- Set the date and time
- Power off the camera by touching the two wires together again
Canon A570 IS Mods:
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- Insert SD card and close battery cover
(not all SD cards support this mod)
Canon A570 IS Mods:
1.1. 2.2.
3.3. 4.4. 5.5.
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- Set Camera to “AV” mode
Canon A570 IS Mods:
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-Turn on camera by touching two wires together
Canon A570 IS Mods:
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-Press the “MENU” button and format the card – Use the “Low Level Format” setting
Canon A570 IS Mods:
1.1. 2.2.
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Canon A570 IS Mods:
-Press the “MENU” button and format the card – Use the “Low Level Format” setting
3.3. 4.4.
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Canon A570 IS Mods:
-Press the “MENU” button and format the card – Use the “Low Level Format” setting
5.5. 6.6.
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-Power off camera and remove the SD Card
Canon A570 IS Mods:
1.1. 2.2.
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-Connect the SD card to your computer
Canon A570 IS Mods:
1.1. 2.2.
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-The files we are going to copy to the SD card contain a script (macro) that will take pictures about every 20 seconds after an initial boot up.
Canon A570 IS Mods:
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-Open the “cu_gateway_fall_2008.bas” file
Canon A570 IS Mods:
1.1.
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-Open the “cu_gateway_fall_2008.bas” file
Canon A570 IS Mods:
2.2. 3.3.
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-Open the “cu_gateway_fall_2008.bas” file
Canon A570 IS Mods:
4.4. 5.5.
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-Open the “cu_gateway_fall_2008.bas” file
Canon A570 IS Mods:
6.6.
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- Save the “cu_gateway_fall_2008.bas” file
Canon A570 IS Mods:
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-Copy the CHDK folder structure and files to the SD card
Canon A570 IS Mods:
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- Switch the play/record button on the camera to “play”
Canon A570 IS Mods:
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- Insert SD card and power the camera on.
Canon A570 IS Mods:
1.1. 2.2. 3.3.
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-Press the “MENU” button and press the left on the circle button until the “play” symbol is highlighted
Canon A570 IS Mods:
1.1.
2.2.
3.3.
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-Press up on the circle button and highlight “Firm Update”
Canon A570 IS Mods:
1.1. 2.2.
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- Select “OK” and press “SET”
Canon A570 IS Mods:
1.1. 2.2.
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-Camera should now be running the CHDK firmware.
Canon A570 IS Mods:
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-Press the shutter button to stop the script but leave the camera on
Canon A570 IS Mods:
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- Switch the play/record button on the camera to “record”
Canon A570 IS Mods:
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-You should see “Default Script” and “<ALT>” in the bottom of the screen
Canon A570 IS Mods:
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-With “<ALT>” showing, press the “MENU” button
Canon A570 IS Mods:
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- “<ALT>” will be replaced by “<CNF>”
Canon A570 IS Mods:
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- Use the control pad to move the cursor down to "Debug parameters" and click "SET" to select this option.
Canon A570 IS Mods:
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-Move the cursor down to "Make card bootable...“-Press "SET" to select this option.
Canon A570 IS Mods:
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-Nothing should happen. This is OK-Power off camera.
Canon A570 IS Mods:
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-Remove the SD card and slide switch to “LOCKED”
Canon A570 IS Mods:
Even though the card is in the “LOCKED” position it will be able to be written to via the CHDK firmware.
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-Power on the camera
- “Default Script” and the “<ALT>” should be visible
-Press the shutter button to stop script
Canon A570 IS Mods:
- Insert locked SD card and make sure the camera is in “RECORD” mode
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-With “<ALT>” showing, click on the menu to get to the “<CNF>” screen.
Canon A570 IS Mods:
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-Use the control pad to move the cursor down to "Scripting parameters" and push "SET"
Canon A570 IS Mods:
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-On the “Script” menu select "Load script from file..."
Canon A570 IS Mods:
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-On the "Select script file" screen, move the cursor to highlight "cu_gateway_fall_2008.bas>" and press "SET"
Canon A570 IS Mods:
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-When you return to the “Script” menu ensure that "Script Autostart" is checked (a dot in its selection field).
Canon A570 IS Mods:
-Also make sure the “Current script” is correct
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-Now click "MENU” to save these changes to the configuration file
Canon A570 IS Mods:
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-Turn off camera
-The next time the camera is turned on, it will run the script
- It will go through a series of camera setting changes which will take about 60 seconds
-Then the camera will begin to take pictures every 5 to 6 seconds until the card is full
Canon A570 IS Mods:
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- Sometimes the script doesn't execute properly the first time it runs.
- If this happens, let it run it's course for around a minute or so then turn the camera off then on again and it should work fine
- It should continue to work just fine on every subsequent power up
Canon A570 IS Mods:
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-Turn on the camera
Canon A570 IS Mods:
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-You can turn the camera off anytime.
- If you wish to stop the script during execution just press the shutter release button and that will interrupt the execution of the script
- In this way you can gain control of the camera without having to remove the card
-This is handy if you want to review photos, or do something else without the script running.
Canon A570 IS Mods:
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-After the pushing the shutter, you must push the print button to have normal camera operation
Canon A570 IS Mods:
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-Remember, any setting you might make to the camera will be restored to factory default settings next time the script runs as that is the first action the script takes
- Once you interrupt a script it must be re-run from the beginning you can not PAUSE a script and RESUME it
Canon A570 IS Mods:
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-You can modify your code without reloading the firmware
-For example lets change the “sleep” value to 5000
Canon A570 IS Mods:
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-Power off camera
-Remove SD Card
-Unlock SD Card
-Open CHDK/Scripts/cu_gateway_fall_2008.bas
- Scroll down to end of code and change sleep = 5000
- Save
Canon A570 IS Mods:
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- Remove SD card and lock
- Insert SD card into the camera and power on
-Pictures should be taken every 8 to 10 seconds now
- I would suggest a 20 second (sleep = 16000) for 135 minute flight time
Canon A570 IS Mods:
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-You can also “rem” out pieces of the set up or other functions but test first
-Camera is working, it shall also be working at the end of the semester
-Take good care of this camera
-Thank you.
Canon A570 IS Mods:
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Questions?