Differences

This shows you the differences between two versions of the page.

--- en:c2_app_launch_via_gpio_on_android [2017/03/15 15:40]
luke.go
+++ en:c2_app_launch_via_gpio_on_android [2017/05/24 16:58]
codewalker
@@ Line 1: / Line 1: @@
 ==== Application launching with GPIO trigger on Android ====
+<WRAP center round important>
 ** You must install the Android release V2.9(C2)/V4.5(XU4) or higher to launch app via GPIO. ** \\
-** In that case you can skip step 1 ~ 6 for your easier life LOL** \\
+** In that case you can skip step 1 ~ 7 for your easier life LOL** \\
+** If you installed higher version of the Android Marshmallow version v2.9, Please do just step 3 and 4, and skip to 7 ** \\
 ** Please check the revision of PCB. This page is based on the board revision 0.2.(C2) **
+</WRAP>
-This page explains how to launch an app via GPIO input. \\ All of software stuff(Step 1 to 6) was included since Android image Ver2.9 released.\\
+This page explains how to launch an app via GPIO input. \\ All of software stuff(Step 1 to 7) was included from Android image Ver2.9 to Ver3.4 and Marshmallow Ver2.4 released.\\
 \\
 **1. Enable the GPIO key driver as a built-in.**\\
@@ Line 24: / Line 27: @@
 <code>
 gpio_keys_polled {
+   status = "disabled";
    compatible =
     "gpio-keys-polled";
@@ Line 62: / Line 66: @@
 <code>
 gpio_keys_polled {
+   status = "disabled";
    compatible =
     "gpio-keys-polled";
@@ Line 91: / Line 96: @@
 </code>
-**3. Build the kernel source. and flash the kernel image to the board.(C2)** \\
+**3. Enable GPIO Key map.** \\
+<code>
+gpio_keys_polled {
+   status = "okay";
+   .
+   .
+};
+</code>
+**4. Build the kernel source. and flash the kernel image to the board.(C2)** \\
 <code>
 $ cd kernel
@@ Line 104: / Line 118: @@
 </code>
-**4. Add key event keycode to system/usr/keylayout/Vendor_0001_Product_0001.kl file.** \\ You can find keycode table from [[http://www.comptechdoc.org/os/linux/howlinuxworks/linux_hlkeycodes.html|reference]] \\
+**5. Add key event keycode to system/usr/keylayout/Vendor_0001_Product_0001.kl file.** \\ You can find keycode table from [[http://www.comptechdoc.org/os/linux/howlinuxworks/linux_hlkeycodes.html|reference]] \\
 ** ODROID-C2 **\\
 [[https://github.com/codewalkerster/android_device_hardkernel_odroidc2/commit/7b49c29162c884491df262a3ec3d96f08942e231|commit]] \\
@@ Line 119: / Line 133: @@
 </code>
-**5. Apply the patch that intercept key event to frameworks/base & ODROID Utility App.** \\
+**6. Apply the patch that intercept key event to frameworks/base & ODROID Utility App.** \\
 ** ODROID-C2 **\\
 [[https://github.com/codewalkerster/android_frameworks_base/commit/6fe6d88e6715e16d891b046a41f7d7fa2588d48c|frameworks/base commit]] \\
@@ Line 126: / Line 140: @@
 [[https://github.com/codewalkerster/android_frameworks_base/commit/c8f8974e657f9cc4471a3825fed8bd15718f556d|frameworks/base commit]] \\
 [[https://github.com/codewalkerster/android_packages_apps_Utility/commit/f33e6124571df1e201167589ecccb3b218bc3c0f|ODROID Utility commit]]\\
-**6. Build the Android image and flash it.** \\
+**7. Build the Android image and flash it.** \\
 [[en:c2_building_android#build|ODROID-C2 build method]]
 [[en:xu3_building_android#installation|ODROID-XU3/4 install method]]
@@ Line 138: / Line 152: @@
 \\
 \\
-**7. Connect a few buttons to the GPIOs with 10KOhm pull-up resistors. ** **Click images to enlarge it.** \\
+**8. Connect a few buttons to the GPIOs with 10KOhm pull-up resistors. ** **Click images to enlarge it.** \\
 ** ODROID-C2 **\\
@@ Line 153: / Line 167: @@
 {{:en:gpio_shortcut_xu4_schem.png?direct&200|}}
-**8. Set the launch app by using ODROID Utility app.**
+**9. Set the launch app by using ODROID Utility app.**
-{{:en:screen.png?direct&200|}}
+{{:en:screen.png?direct&500|}}
-[[https://www.youtube.com/watch?v=tU6-Fz6twAM|How it works in video !]]
+{{youtube>tU6-Fz6twAM}}