Difference between revisions of "Example brightness"
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| − | {{todo|InProgress( | + | {{todo|InProgress(12.27.13-11:03->JG+)|Jgreene|project=oe 4,oe 5,jg,md,InProgress}} |
| − | + | This is a guide to the <code>brightness</code> C example project included in the EMAC OE SDK. | |
| − | + | This is a simple backlight-brightness control. It's written for the EMAC PPC-E7 and SoM-9307 but it will probably run on anything with a backlight. It implements a slider application in GTK+ that directly controls the backlight through its sysfs interface. It has been tested under Xfbdev/Matchbox. | |
| − | + | The <code>brightness</code> project builds one executable: <code>brightness</code>. | |
| − | == | + | == Opening, Building and Uploading the Project Files == |
| − | + | <big>1. Open the C/C++ editing perspective.</big> | |
| + | stub | ||
| + | <big>2. Open the project files.</big> | ||
| − | + | stub | |
| − | + | <big>3. Build the project.</big> | |
| − | + | ||
| − | + | stub | |
| − | + | ||
| + | <big>4. Upload the executables to the target system.</big> | ||
| + | |||
| + | stub | ||
| + | |||
| + | ==Usage and Behavior== | ||
| + | |||
| + | The <code>brightness</code> C example project creates a GTK+ UI for controlling the backlight-brightness. It gives us a slider, a spinner and a textfield. | ||
| + | |||
| + | ===Hardware Requirements=== | ||
| + | |||
| + | The <code>brightness</code> C example project is written for the EMAC PPC-E7 and SoM-9307 but it will probably run on anything with a backlight. | ||
| + | |||
| + | ===Using <code>brightness</code>=== | ||
| + | |||
| + | First set the DISPLAY variable. | ||
| + | |||
| + | export DISPLAY=:0.0 | ||
| + | |||
| + | Then run the <code>brightness</code> C executable. | ||
| + | |||
| + | ./brightness | ||
Revision as of 11:13, 27 December 2013
This is a guide to the brightness C example project included in the EMAC OE SDK.
This is a simple backlight-brightness control. It's written for the EMAC PPC-E7 and SoM-9307 but it will probably run on anything with a backlight. It implements a slider application in GTK+ that directly controls the backlight through its sysfs interface. It has been tested under Xfbdev/Matchbox.
The brightness project builds one executable: brightness.
Contents
Opening, Building and Uploading the Project Files
1. Open the C/C++ editing perspective.
stub
2. Open the project files.
stub
3. Build the project.
stub
4. Upload the executables to the target system.
stub
Usage and Behavior
The brightness C example project creates a GTK+ UI for controlling the backlight-brightness. It gives us a slider, a spinner and a textfield.
Hardware Requirements
The brightness C example project is written for the EMAC PPC-E7 and SoM-9307 but it will probably run on anything with a backlight.
Using brightness
First set the DISPLAY variable.
export DISPLAY=:0.0
Then run the brightness C executable.
./brightness
