Eclipse + AVR Toolchain + Atmel Studio不能选择CPU型号了
如图，是不是就出现这样，怎么回事呢？ 没人知道么？ http://sourceforge.net/p/avr-eclipse/support-requests/25/
http://arduino.cc/forum/index.php/topic,62094.0.html 原讨论地址
Creator: Curryman
I worked in the past with Helios and AVR Plugin for Eclipse 2.3.4 without big problems so far.
Now I decided to change to AVR Plugin 2.4.0 the latest tool chain from ATMEL and Indigo.
I started from scratch and loaded the last Eclipse Indigo Version (win32). I installed it and started with an empty workspace. Then I performed a update check to ensure Eclipse is on the latest version.
Then I loaded avreclipse.2.4.0.final.p2repository.zip unzipped it and stored it on the HDD.
After that I loaded the current ATMEL Tool chain and installed it.
Then I installed the AVR Plugin to Eclipse (Help/Install new Software).
That process worked fine so far.
After installing I restarted Eclipse as recommended.
Now I can see the typical buttons and so on are available and things are looking fine.
Under Window/Preferences/AVR/Paths I keyed in the path to th AVR Toolchain.
AVR-GCC ==> C:\Program Files (x86)\Atmel\AVR Tools\AVR Toolchain\bin
GNU make ==> C:\Program Files (x86)\Atmel\AVR Tools\AVR Toolchain\bin
AVR Header Files ==> C:\Program Files (x86)\Atmel\AVR Tools\AVR Toolchain\avr\include
AVRDude ==> C:\Program Files (x86)\Atmel\AVR Tools\AVR Toolchain\bin
Atmel Part Description Files are not available and so far I know not necessary.
Finally I disabled search for system path at startup and click the button Apply
To be sure everything is correct I restarted Eclipse.
When I now start to create a new C project (File/New/C Project)
For Project name I key in "Test"
Project type:
AVR Cross Target Application
Empty Project
Toolchains:
AVR-GCC Toolchain
Click Button Next
I unselected Debug
Click Button Next
I see the dialogue AVR Target Hardware Properties
Here is the MCU Type: empty and the MCU Frequency (Hz): is 1000000
When I click to the MCU Type nothing is to select.
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Thomas Holland
2012-07-14
Hi, I think the reason for the missing MCU type lies with the toolchain.
Some Toolchains by Atmel do not report the supported MCUs when queried with "avr-gcc --target-help".
Until I get around to find a different way of extracting the known MCUs from the Atmel avr-gcc I have to refer you to a different toolchain, e.g. the old WinAVR toolchain (https://sourceforge.net/projects/winavr/files/) or the really current MHV Toolchain (http://www.makehackvoid.com/project/mhvavrtools) which IIRC requires manual setting of the paths but works great otherwise.
Cheers,
Thomas
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Markus Baertschi
2012-07-23
I have the same problem on Linux (Ubuntu). Is there a workaround, like manually provide a list of MCU types ?
The problem is that the older toolchains do not support the more recent MCUs, like my xmega32A4U.
Also, in the past I found that listbox a real pain to use, there are just too many MCU types now for it to be practical, I would prefer a simple textfield.
Markus Baertschi
2012-07-23
One more question. At what moment does the plugin run the 'avr-gcc --target-help' command ?
I've replaced avr-gcc with a shell script to intercept the --target-help parameter and supply an answer. On the command-line this works, but the plugin does not seem to run the command anymore.
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Thomas Holland
2012-07-23
Sorry, but there is currently no easy workaround for this issue. While I would like to fix this issue I basically have no time for working on the plugin anymore.
A little untested hack that you might want to try is to manually edit the AVR Plugin preferences. They are stored in the .settings Folder of your project, named de.innot.avreclipse.core.prefs and editing should be self explanatory. Just make sure that Eclipse is not running while editing this file.
If it does not already contain the following lines you can try to just add them
avrtarget/ClockFrequency=16000000
avrtarget/MCUType=atmega328p <- change to the MCU id as used by GCC
avrtarget/perConfig=false
eclipse.preferences.version=1
No guaranties that this works but worth a try.
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Thomas Holland
2012-07-23
As to your second question -- I just checked with the debugger: "avr.gcc --target-help" is called whenever the list is required for the first time, either on startup when the "AVR Supported MCUs" View is open or when the Project Properties -> AVR -> Target Hardware page is opened.
Unless the path to the compiler is changed avr-gcc will only be called once and the results are cached.
BTW if someone wants to fix this bug: the relevant code is located in the file de/innot/avreclipse/core/toolinfo/GCC.java in the method loadMCUList()
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Markus Baertschi
2012-07-30
Was away for a week, so a bit late. Is there a way of forcing the plugin to re-read this ?
How do I invalidate the cache ?
At the moment it looks to me like I must re-install Eclipse to re-executa the gcc command. Any better way ?
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michaelb
2012-07-28
The same is true here.
Adding the MCUType manually to the prefs works for me. Add least gcc is supplied with the correct options and the generated code and hex works as expected.
Bug #59 mentions the correct options for gcc. But unfortunatly also the output format of the device list has changed from older gcc versions.
Using avr-gcc supplied with Atmel Studio 6:
>avr-gcc --version
avr-gcc (AVR_8_bit_GNU_Toolchain_3.4.0_663) 4.6.2
Copyright (C) 2011 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>avr-gcc --target-help -mlist-devices
[...]
-mtiny-stack Change only the low 8 bits of the stack pointer
List of parts supported by avr-gcc:
at90s2313 __AVR_AT90S2313__
at90s2323 __AVR_AT90S2323__
at90s2333 __AVR_AT90S2333__
at90s2343 __AVR_AT90S2343__
attiny22 __AVR_ATtiny22__
attiny26 __AVR_ATtiny26__
at90s4414 __AVR_AT90S4414__
[...]
attiny11 __AVR_ATtiny11__
attiny12 __AVR_ATtiny12__
attiny15 __AVR_ATtiny15__
Assembler options
=================
[...]
I would have changed GCC.java to make it work, but I'm not able to build the plugin, with Eclipse Indigo Pluginbuilder does not work either, at least not for me :-(
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Veronica
2012-08-01
Try:
avr-gcc "-Wa,--mlist-devices", "--target-help" >C:/mcuList.txt
and check created file mcuList.txt in your C:/ directory
You can read how to edit and build the plugin on Polish site http://forum.atnel.pl/topic1275.html#p9923
or just copy a part of AVR Eclipse Plugin (de.innot.avreclipse.core_2.4.0.201203041437.jar) to your Eclipse/plugins directory and replace the original.
That file you can find here
From now on you can select MCU Type.
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Joseph Ma
2012-08-19
Hi
I'm using Indigo win32 and Toolchain 3.4.0.1146.
I copied that file to Eclipse/plugins and run Eclipse.
but when i tried to select MCU type from Target Hardware i saw the MCU Type menu disappeared.
i took a screen shot and attached.
thanks for help.
-----------------
Veronica
2012-08-20
Hello Joseph,
1. Delete Eclipse folder
2. Remove all previous Java 2 Runtime Environment from the system
3. Install new Java ( Version 7 Update 5 ) win32
4. Unpack Eclipse Indigo
5. Start Eclipse and choose new workspace
6. Install AVR Eclipse Plugin
7. Change paths to your toolchain and close Eclipse
8. Replace the file de.innot.avreclipse.core_2.4.0.201203041437.jar (eclipse/plugins directory)
9. Start Eclipse and create new project
I hope it will help you
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