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Diffstat (limited to 'en/devices/input/getevent.html')
| -rw-r--r-- | en/devices/input/getevent.html | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/en/devices/input/getevent.html b/en/devices/input/getevent.html index c6f2c369..69746bcd 100644 --- a/en/devices/input/getevent.html +++ b/en/devices/input/getevent.html @@ -30,12 +30,15 @@ expected set of capabilities for each input device and are generating the desired stream of input events.</p> <h2 id="showing-device-capabilities">Showing device capabilities</h2> -<p>Use the <code>-p</code> option to see all of the keys and axes a device -reports. The following example lists the Linux key codes and other events a -particular keyboard says it supports.</p> +<p>Use the <code>-p</code> option with the <code>adb</code> command to see all of the keys and axes a device +reports.</p> + +<pre class="devsite-terminal devsite-click-to-copy">adb shell su -- getevent -p</pre> -<pre><code>$ adb shell su -- getevent -p +<p>The following example lists the Linux key codes and other events a +particular keyboard says it supports.</p> +<pre> name: "Motorola Bluetooth Wireless Keyboard" events: KEY (0001): 0001 0002 0003 0004 0005 0006 0007 0008 @@ -69,15 +72,17 @@ particular keyboard says it supports.</p> LED (0011): 0000 0001 0002 0003 0004 input props: <none> -</code></pre> +</pre> <p>Use the <code>-i</code> option to get more information, including HID mapping tables and debugging information.</p> -<p>Use the <code>-l</code> option to display textual labels for all event codes. -Example:</p> -<pre><code>$ adb shell su -- getevent -lp /dev/input/event1 - +<p>Use the <code>-l</code> option to display textual labels for all event codes.</p> +<pre class="devsite-terminal devsite-click-to-copy"> +adb shell su -- getevent -lp /dev/input/event1 +</pre> +<p>Example:</p> +<pre> name: "Melfas MMSxxx Touchscreen" events: ABS (0003): ABS_MT_SLOT : value 0, min 0, max 9, fuzz 0, flat 0, resolution 0 @@ -95,8 +100,12 @@ touchscreen using the Linux multi-touch input protocol "B". The <code>-l</code> option displays textual labels and the <code>-t</code> option displays timestamps.</p> -<pre><code>$ adb shell su -- getevent -lt /dev/input/event1 +<pre class="devsite-terminal devsite-click-to-copy"> +adb shell su -- getevent -lt /dev/input/event1 +</pre> +<p>Example:</p> +<pre> [ 78826.389007] EV_ABS ABS_MT_TRACKING_ID 0000001f [ 78826.389038] EV_ABS ABS_MT_PRESSURE 000000ab [ 78826.389038] EV_ABS ABS_MT_POSITION_X 000000ab @@ -112,7 +121,7 @@ timestamps.</p> [ 78826.468719] EV_ABS ABS_MT_SLOT 00000001 [ 78826.468719] EV_ABS ABS_MT_TRACKING_ID ffffffff [ 78826.468719] EV_SYN SYN_REPORT 00000000 -</code></pre> +</pre> <p class="note"><strong>Note:</strong> <code>getevent</code> timestamps use the format $SECONDS.$MICROSECONDS in the CLOCK_MONOTONIC timebase. For details, refer to getevent.c.</p> |