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en:c2_cvbs [2016/10/14 13:59] joy.cho [Connection] |
en:c2_cvbs [2016/10/14 14:04] joy.cho [Overscan Guide] |
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========= CVBS Video Output ======= | ========= CVBS Video Output ======= | ||
- | <WRAP center round important> | ||
- | * Ubuntu : Available with 3.14.79-89 (Oct 13, 2016) or higher version | ||
- | </WRAP> | ||
===== Hardware Example ===== | ===== Hardware Example ===== | ||
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- | ==== boot.ini ==== | + | ==== Software Guide ==== |
- | 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" | ||
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setenv vout "hdmi" | setenv vout "hdmi" | ||
</code> | </code> | ||
- | |||
==== Overscan Guide ==== | ==== Overscan Guide ==== | ||
Please refer to the following article. | Please refer to the following article. | ||
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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> |