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doc:howto:hardware.button [2013/01/17 20:02] veoxwmt |
doc:howto:hardware.button [2013/04/15 06:24] (current) xiloynaha fix script's url |
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| ===== Kernel configuration ===== | ===== Kernel configuration ===== | ||
| + | If a target platform is known to support buttons, appropriate kernel modules are selected by default. | ||
| - | Depending on platform, kernel modules ''input-gpio-buttons'' and ''gpio-button-hotplug'' might be required. | + | If a platform is not known to support buttons, various kernel modules might be required. These might be ''diag'', ''input-gpio-buttons'', ''gpio-button-hotplug'' and others. However, installing various modules will not necessarily yield a successful result. |
| ===== Preliminary steps ===== | ===== Preliminary steps ===== | ||
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| ''BTN_1'' is the name of the button you want to use. If you want or need to use another button, replace every instance of ''BTN_1'' in the rest of this document with the correct text. From now on, there are several possible approaches: the first uses the ''00-button'' script from the ''atheros'' target, the other a simpler shell script. | ''BTN_1'' is the name of the button you want to use. If you want or need to use another button, replace every instance of ''BTN_1'' in the rest of this document with the correct text. From now on, there are several possible approaches: the first uses the ''00-button'' script from the ''atheros'' target, the other a simpler shell script. | ||
| + | |||
| + | **notice** | ||
| + | |||
| + | If you want to run programs from hotplug's scripts you need to be sure ''PATH'' and the like are initialized properly, scripts invoked by hotplug only have a default env. Especially if you install stuff into nonstandard locations like /opt/usr/bin. It's possible by adding ''. /etc/profile'' after ''#!/bin/sh'' | ||
| + | |||
| + | <code> | ||
| + | #!/bin/sh | ||
| + | . /etc/profile | ||
| + | </code> | ||
| ===== Using Atheros' 00-button + UCI ===== | ===== Using Atheros' 00-button + UCI ===== | ||
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| <code> | <code> | ||
| - | # wget -O /etc/hotplug.d/button/00-button https://dev.openwrt.org/browser/trunk/target/linux/atheros/base-files/etc/hotplug.d/button/00-button | + | # wget -O /etc/hotplug.d/button/00-button https://dev.openwrt.org/export/36332/trunk/target/linux/atheros/base-files/etc/hotplug.d/button/00-button |
| </code> | </code> | ||
doc/howto/hardware.button.1358449356.txt.bz2 · Last modified: 2013/01/17 20:02 by veoxwmt