Comments (10)
There is no driver for the NXT Color sensor yet, so no, you are not the only one. 😉
The EV3 color sensor should work though. What kernel version are you using?
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Thanks for the quick reply!
I am using the following image version : ev3dev-jessie-2014-12-01.img
Kernel is :
Linux ev3dev 3.16.1-7-ev3dev #2 PREEMPT Tue Nov 25 11:24:38 CST 2014 armv5tejl GNU/Linux
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There are some breaking changes in the more recent kernels, but I think that one should work. You can see what is is /sys/class/msensor
to see if the sensor is actually there. If it is there, then then I am not sure what the problem is.
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Funny thing is... it is not there :(
I see my touch sensor, but that's it... any clue?
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Have you updated other packages? Namely, what is the version from dpkg -s ev3dev-base
. If you upgraded this package (apt-get upgrade
) without upgrading the kernel (apt-get dist-upgrade
), then this is why it is not working. If you do upgrade the kernel though, there are some breaking changes (see #29) and you will have to fix the cpp library.
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Humm... the only thing I did was :
apt-get install build-essential, for the gcc compiler (I did not know we used CC at the time...). Could it be the problem?
Here is the result of dpkg -s ev3dev-base
, which I did not upgrade :
Package: ev3dev-base
Status: install ok installed
Priority: required
Section: metapackages
Installed-Size: 37
Maintainer: David Lechner
Architecture: armel
Version: 8.0
Depends: ev3dev-bluetooth (>= 8.0), ev3dev-console (>= 8.0), ev3dev-flash-kernel (>= 8.0), ev3dev-gadget (>= 8.0), ev3dev-i2c (>= 8.0), ev3dev-leds (>= 8.0), ev3dev-ports (>= 8.0), ev3dev-uart (>= 8.0)
Description: Meta package that installs all of the required ev3dev packages.
Homepage: http://www.ev3dev.org
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Checking my command history, I see that at one point, I tried to install ev3dev-c (see in4lio project, on github). If you think this can be the problem, I'll just recreate the image...
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ev3dev-base 8.0 is for kernel v3.16.1.-8-ev3dev and higher which is why UART sensors are not working. (So, you did upgrade even if not intentionally.)
So, your options are: you can recreate the image and use the old versions or you can upgrade the kernel and help migrate the cpp library to the new kernel version.
from ev3dev-lang.
Thanks David, I really appreciate the time that you took to help. Since I am way too novice at this point, I'll just revert a fresh image.
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You are welcome! And the changes are just changing strings for things that were renamed, so even a novice could do it if you are feeling adventurous.
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Related Issues (20)
- Updating human-readable spec HOT 25
- How to create spec.json HOT 2
- How strictly to follow the language binding specification? HOT 6
- How to implement Button Class HOT 1
- How to use with the autogen system? HOT 26
- Unified language for Java - Library Submission HOT 5
- Having issue to connect Pycharm to the Brick HOT 3
- Standardize "systemDeviceNameConvention"
- Add binding for IR-SEEK to spec HOT 1
- Javascript motor and sensor example HOT 3
- A question about sensor inherits HOT 5
- 0.9.3? HOT 1
- Merge NXT Motor and Large Motor classes
- Some typo on the driver docs HOT 3
- stop lcd going back to menu HOT 2
- Dual motors HOT 2
- UNMET PEER DEPENDENCY bluebird@~3.5.0 HOT 7
- Buttons Error (platform-gpio-keys.0-event not found) HOT 3
- HiTechnic Compass Sensor "Device is not connected" HOT 3
- Status of the project - current ev3dev bindings HOT 1
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