Difference between revisions of "Arduino Yun"
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*has Python 2.7 | *has Python 2.7 | ||
*advised that C++ be cross-compiled | *advised that C++ be cross-compiled | ||
| + | ** GCC exists in version 1.5+ | ||
*the "Bridge" library creates a bridge between Arduino and Linux | *the "Bridge" library creates a bridge between Arduino and Linux | ||
**read this for more information: http://arduino.cc/en/Reference/YunBridgeLibrary | **read this for more information: http://arduino.cc/en/Reference/YunBridgeLibrary | ||
**or this for an example: http://arduino.cc/en/Tutorial/Bridge | **or this for an example: http://arduino.cc/en/Tutorial/Bridge | ||
| − | + | * [http://arduino.cc/en/Tutorial/TemperatureWebPanel example] Web pages can be added to /www/ and accessed normally | |
| + | * [http://arduino.cc/en/Guide/ArduinoYun#toc5 source] REST has a built-in interface for pins under /data | ||
| + | * [http://forum.arduino.cc/index.php?topic=188101.msg1593444#msg1593444 source] Pins 21, 22, and 23 can be accessed in /sys/class/gpio/ (in linux) | ||
| + | * [https://github.com/arduino/YunWebUI example] LuCI web interface can be hacked somehow (magic?) | ||
each Yun | each Yun | ||
| Line 24: | Line 28: | ||
=Resources= | =Resources= | ||
| − | + | [http://arduino.cc/en/Main/ArduinoBoardYun?from=Products.ArduinoYUN product page] | |
| − | + | [http://arduino.cc/en/Guide/ArduinoYun getting started] | |
need sorting -> | need sorting -> | ||
* http://arduino.cc/en/Tutorial/YunDatalogger | * http://arduino.cc/en/Tutorial/YunDatalogger | ||
* https://www.temboo.com/arduino/yun/ | * https://www.temboo.com/arduino/yun/ | ||
| − | |||
=Current Yuns= | =Current Yuns= | ||
csyun1 | csyun1 | ||
*registered | *registered | ||
| − | * | + | *configured |
*90A2DAF510F8 | *90A2DAF510F8 | ||
*ec2011 | *ec2011 | ||
*159.28.130.243 | *159.28.130.243 | ||
*owner: charliep | *owner: charliep | ||
| + | *OpenWRT v1.0 | ||
| Line 50: | Line 54: | ||
*159.28.130.242 | *159.28.130.242 | ||
*owner: charliep | *owner: charliep | ||
| + | *OpenWRT v1.0 | ||
| Line 59: | Line 64: | ||
*159.28.130.191 | *159.28.130.191 | ||
*owner: charliep | *owner: charliep | ||
| + | *OpenWRT v1.0 | ||
csyun4 | csyun4 | ||
| + | *ARC yun | ||
*registered | *registered | ||
*configured | *configured | ||
| Line 68: | Line 75: | ||
*159.28.130.63 | *159.28.130.63 | ||
*owner: charliep | *owner: charliep | ||
| + | *OpenWRT v1.0 | ||
| Line 77: | Line 85: | ||
*159.28.131.13 | *159.28.131.13 | ||
*owner: charliep | *owner: charliep | ||
| + | *OpenWRT v1.0 | ||
| Line 86: | Line 95: | ||
*159.28.131.16 | *159.28.131.16 | ||
*owner: charliep | *owner: charliep | ||
| + | *OpenWRT v1.0 | ||
csyun7 | csyun7 | ||
| − | * | + | *ARC yun |
| − | * | + | *registered |
| − | * | + | *configured |
| + | *90A2DAF30459 | ||
| + | * | ||
| + | *159.28.131.46 | ||
| + | *owner: charliep | ||
| + | *OpenWRT v1.0 | ||
=Details= | =Details= | ||
| Line 100: | Line 115: | ||
Comes preinstalled with | Comes preinstalled with | ||
* python 2.7 | * python 2.7 | ||
| + | * node.js | ||
* vim / nano | * vim / nano | ||
| − | |||
==Boot== | ==Boot== | ||
*The Arduino side boots up almost instantaneously. | *The Arduino side boots up almost instantaneously. | ||
| − | *However, the Linux side takes about as long as a PC to boot up. | + | *However, the Linux side takes about as long as a normal PC to boot up. |
| − | *The white light | + | *The white light seems to indicate that the wifi is working as well as other things. |
| − | |||
==Sketch Upload== | ==Sketch Upload== | ||
| − | *You can't upload sketches through wifi on ECWireless. It works on normal LANs. | + | *You can't upload sketches through wifi on ECWireless. It works on normal LANs. (Why?) |
| − | *It | + | *It's normal for the USB to lose connection and to immediately reestablish connection. The Arduino programmable USB seems to be piggybacking on linux as a virtual COM port. |
| + | **Sometimes the recognized COM port will change after the first sketch upload. It seems this is due to the linux side swapping to the correct Arduino COM port. | ||
| + | **If the connection is not reestablished (why?) you can use the "USB stops being recognized" bit below. | ||
==Serial== | ==Serial== | ||
| Line 123: | Line 139: | ||
==Network== | ==Network== | ||
| − | I had trouble getting it on ECWireless. I | + | I had trouble getting it on ECWireless. |
| − | + | *I went to go to ITS and had them register the Yuns manually. ITS has registered our Yuns' as "college owned" so that they don't require authentication. | |
| − | + | *In the Yun web configuration panel I set them to connect to ECWireless and then was able to ssh to them directly. | |
| − | + | *However, I could not upload sketches via wifi. This is due to the configuration of ECWireless. | |
| − | |||
| − | |||
| − | |||
| + | It's possible to get a Yun's IP by uploading a ShellCommand sketch and running the "ifconfig" command. | ||
| + | *very useful when on a non-static IP network | ||
| + | *For example, this could be used to get a Yun's IP address when it's on Guest Wireless. | ||
==USB stops being recognized== | ==USB stops being recognized== | ||
| − | This fixed my problem: | + | This fixed my problem: [http://forum.arduino.cc/index.php?PHPSESSID=ap760n6qcp611t7aul8mdve6s3&topic=188101.msg1593444#msg1593444 arduino form] |
#nano /usr/bin/run-avrdude | #nano /usr/bin/run-avrdude | ||
| Line 140: | Line 156: | ||
=Temboo= | =Temboo= | ||
| − | + | [http://arduino.cc/en/Guide/ArduinoYun#toc20 Arduino Description of Temboo] | |
| − | + | [https://temboo.com/arduino/yun/ Temboo Getting Started] | |
Latest revision as of 07:49, 2 June 2015
Contents
Arduino Yun
Crash Course
- if you don't know the yun password ask someone that would know in person
- all of the cs yuns use the same password
- getting started http://arduino.cc/en/Guide/ArduinoYun
- Arduino IDE 1.5.8 BETA must be used, get it here: http://arduino.cc/en/Main/Software
- micro usb port is used for power and for uploading sketches
- IP address can be used in a web browser or to ssh
- SD cards and flash drives are automatically mounted to /mnt/
- OS is OpenWrit and uses OPKG (similar to apt-get) http://arduino.cc/en/Tutorial/YunPackageManager
- has Python 2.7
- advised that C++ be cross-compiled
- GCC exists in version 1.5+
- the "Bridge" library creates a bridge between Arduino and Linux
- read this for more information: http://arduino.cc/en/Reference/YunBridgeLibrary
- or this for an example: http://arduino.cc/en/Tutorial/Bridge
- example Web pages can be added to /www/ and accessed normally
- source REST has a built-in interface for pins under /data
- source Pins 21, 22, and 23 can be accessed in /sys/class/gpio/ (in linux)
- example LuCI web interface can be hacked somehow (magic?)
each Yun
- is numbered
- has a designated box
- has a label on it with its number and the last two octets of its IP address (I.E. cs4 130.63 is csyun4 with the IP 159.28.130.63)
- 159.28 is Earlham's IP address
Resources
need sorting ->
Current Yuns
csyun1
- registered
- configured
- 90A2DAF510F8
- ec2011
- 159.28.130.243
- owner: charliep
- OpenWRT v1.0
csyun2
- registered? (no internet access)
- configured?
- 90A2DAF30034
- ec2009
- 159.28.130.242
- owner: charliep
- OpenWRT v1.0
csyun3
- registered
- configured
- 90A2DAF210E7
- ec2012
- 159.28.130.191
- owner: charliep
- OpenWRT v1.0
csyun4
- ARC yun
- registered
- configured
- 90A2DAF031AC
- ec2016
- 159.28.130.63
- owner: charliep
- OpenWRT v1.0
csyun5
- registered
- configured
- 90A2DAF9035F
- ec2017
- 159.28.131.13
- owner: charliep
- OpenWRT v1.0
csyun6
- registered
- configured
- 90A2DAF51147
- ec2024
- 159.28.131.16
- owner: charliep
- OpenWRT v1.0
csyun7
- ARC yun
- registered
- configured
- 90A2DAF30459
- 159.28.131.46
- owner: charliep
- OpenWRT v1.0
Details
Package Manager
Uses a package manager called opkg. Very similar to apt-get and yum. Has a healthy selection of software.
Comes preinstalled with
- python 2.7
- node.js
- vim / nano
Boot
- The Arduino side boots up almost instantaneously.
- However, the Linux side takes about as long as a normal PC to boot up.
- The white light seems to indicate that the wifi is working as well as other things.
Sketch Upload
- You can't upload sketches through wifi on ECWireless. It works on normal LANs. (Why?)
- It's normal for the USB to lose connection and to immediately reestablish connection. The Arduino programmable USB seems to be piggybacking on linux as a virtual COM port.
- Sometimes the recognized COM port will change after the first sketch upload. It seems this is due to the linux side swapping to the correct Arduino COM port.
- If the connection is not reestablished (why?) you can use the "USB stops being recognized" bit below.
Serial
- Serial talks via the Arduino serial monitor
- Bridge establishes communication between Arduino and Linux processors
- Console uses bridge to establish a console (similar to serial) that can be accessed with telent from the Yun's local terminal
troubleshooting
Network
I had trouble getting it on ECWireless.
- I went to go to ITS and had them register the Yuns manually. ITS has registered our Yuns' as "college owned" so that they don't require authentication.
- In the Yun web configuration panel I set them to connect to ECWireless and then was able to ssh to them directly.
- However, I could not upload sketches via wifi. This is due to the configuration of ECWireless.
It's possible to get a Yun's IP by uploading a ShellCommand sketch and running the "ifconfig" command.
- very useful when on a non-static IP network
- For example, this could be used to get a Yun's IP address when it's on Guest Wireless.
USB stops being recognized
This fixed my problem: arduino form
- nano /usr/bin/run-avrdude
- Change the efuse value from FB to CB
- execute "/usr/bin/run-avrdude /etc/arduino/Caterina-Yun.hex"
