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en:c2_cvbs [2016/10/14 14:00] joy.cho [CVBS Video Output] |
en:c2_cvbs [2016/11/07 18:09] (current) joy.cho [Software Guide (2) - Android] |
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- | ==== boot.ini ==== | + | ==== Software Guide (1) - Ubuntu ==== |
- | There are two modes of CVBS, **480cvbs** and **576cvbs**. | + | <WRAP center round important> |
+ | * Ubuntu : Available with 3.14.79-89 (Oct 13, 2016) or higher version | ||
+ | </WRAP> | ||
+ | There are two modes of CVBS, **480cvbs** and **576cvbs** on C2. | ||
+ | |||
+ | You need to modify boot.ini to set CVBS output. | ||
<code> | <code> | ||
setenv m "480cvbs" | setenv m "480cvbs" | ||
Line 27: | Line 32: | ||
setenv vout "hdmi" | setenv vout "hdmi" | ||
</code> | </code> | ||
- | + | == Overscan == | |
- | ==== Overscan Guide ==== | + | |
Please refer to the following article. | Please refer to the following article. | ||
http://magazine.odroid.com/wp-content/uploads/ODROID-Magazine-201602.pdf#page=9 | http://magazine.odroid.com/wp-content/uploads/ODROID-Magazine-201602.pdf#page=9 | ||
- | As we tested cvbs mode with our monitors, | + | 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. | ||
+ | <code> | ||
+ | # echo 20 20 695 478 > /sys/class/graphics/fb0/window_axis | ||
+ | # echo 0x10001 > /sys/class/graphics/fb0/free_scale | ||
+ | </code> | ||
+ | |||
+ | ==== Software Guide (2) - Android ==== | ||
+ | |||
+ | <WRAP center round important> | ||
+ | * We're planning to release CVBS functionality soon. The version will be specified here after new release. | ||
+ | </WRAP> | ||
+ | |||
+ | Please refer to the following example. | ||
+ | <code> | ||
+ | setenv hdmimode "480cvbs" | ||
+ | showlogo "hdmimode" | ||
+ | </code> | ||
+ | And make sure the **vout** mode is set as **hdmi** mode. | ||
+ | <code> | ||
+ | setenv vout "hdmi" | ||
+ | </code> | ||
+ | |||
+ | == Overscan == | ||
+ | As we tested cvbs mode with our monitors, overscan setting is needed. | ||
+ | For example, the following values can be used. | ||
+ | <code> | ||
+ | ### 480cvbs | ||
+ | $ wm overscan 30,25,30,10 | ||
+ | |||
+ | ### 576cvbs | ||
+ | $ wm overscan 40,10,50,110 | ||
+ | </code> |