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en:c2_cvbs [2016/11/07 18:01] joy.cho |
en:c2_cvbs [2016/11/07 18:04] joy.cho [Software Guide (1) - Ubuntu] |
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</code> | </code> | ||
- | ==== Software Guide (1) - Ubuntu ==== | + | ==== Software Guide (2) - Android ==== |
<WRAP center round important> | <WRAP center round important> | ||
- | * Ubuntu : Available with 3.14.79-89 (Oct 13, 2016) or higher version | + | * We're planning to release CVBS functionality soon. The version will be specified here after new release. |
</WRAP> | </WRAP> | ||
- | There are two modes of CVBS, **480cvbs** and **576cvbs** on C2. | + | Please refer to the following example. |
- | + | ||
- | You need to modify boot.ini to set CVBS output. | + | |
<code> | <code> | ||
- | setenv m "480cvbs" | + | setenv hdmimode "480cvbs" |
- | setenv cvbsmode "480cvbs" | + | showlogo "hdmimode" |
- | + | ||
- | setenv bootargs ${bootargs} cvbsmode=${cvbsmode} | + | |
</code> | </code> | ||
- | |||
And make sure the **vout** mode is set as **hdmi** mode. | And make sure the **vout** mode is set as **hdmi** mode. | ||
<code> | <code> | ||
setenv vout "hdmi" | setenv vout "hdmi" | ||
</code> | </code> | ||
+ | |||
== Overscan == | == Overscan == | ||
- | Please refer to the following article. | ||
- | |||
- | http://magazine.odroid.com/wp-content/uploads/ODROID-Magazine-201602.pdf#page=9 | ||
- | |||
As we tested cvbs mode with our monitors, overscan setting is needed. | As we tested cvbs mode with our monitors, overscan setting is needed. | ||
- | |||
For example, in case of 480cvbs mode, the following values can be used. | For example, in case of 480cvbs mode, the following values can be used. | ||
<code> | <code> | ||
- | # echo 20 20 695 478 > /sys/class/graphics/fb0/window_axis | + | # wm overscan 30,25,30,10 |
- | # echo 0x10001 > /sys/class/graphics/fb0/free_scale | + | |
</code> | </code> |