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| author | Android Partner Docs <noreply@android.com> | 2017-06-13 20:58:21 +0000 |
|---|---|---|
| committer | android-build-merger <android-build-merger@google.com> | 2017-06-13 20:58:21 +0000 |
| commit | c391221fea1ab8d0d0fafc0d9a5d099583bcd379 (patch) | |
| tree | 740ebc006d9de93b185781eff054136fb00cf45f /en/devices/accessories/aoa2.html | |
| parent | 4ecfdb8d77e11f3bd0ab0638e23b332f3a1011a3 (diff) | |
| parent | 0a9ccdf0b05d71e4350a554a64653133de483d01 (diff) | |
| download | source.android.com-c391221fea1ab8d0d0fafc0d9a5d099583bcd379.tar.gz | |
Merge "Docs: Changes to source.android.com"
am: 0a9ccdf0b0
Change-Id: I3cdda0960164eecc17b793d4ce8de892cd41586f
Diffstat (limited to 'en/devices/accessories/aoa2.html')
| -rw-r--r-- | en/devices/accessories/aoa2.html | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/en/devices/accessories/aoa2.html b/en/devices/accessories/aoa2.html index 1f965937..83e27929 100644 --- a/en/devices/accessories/aoa2.html +++ b/en/devices/accessories/aoa2.html @@ -53,7 +53,8 @@ devices.</p> (<code><adk-src>/adk1/board/AndroidAccessory/AndroidAccessory.cpp</code>) library demonstrates this protocol check:</p> -<pre><code>bool AndroidAccessory::switchDevice(byte addr) +<pre class="devsite-click-to-copy"> +bool AndroidAccessory::switchDevice(byte addr) { int protocol = getProtocol(addr); if (protocol >= 1) { @@ -74,7 +75,7 @@ library demonstrates this protocol check:</p> USB_SETUP_RECIPIENT_DEVICE, ACCESSORY_START, 0, 0, 0, 0, NULL); return true; } -</code></pre> +</pre> <p>AOAv2 includes new USB product IDs for each combination of USB interfaces available in accessory mode:</p> @@ -146,14 +147,15 @@ the future).</p> <p>To enable audio support, the accessory must send a new USB control request: </p> -<pre><code>**SET_AUDIO_MODE** +<pre class="devsite-click-to-copy"> +**SET_AUDIO_MODE** requestType: USB_DIR_OUT | USB_TYPE_VENDOR request: 58 value: 0 for no audio (default), 1 for 2 channel, 16-bit PCM at 44100 KHz index: 0 data none -</code></pre> +</pre> <p>This command must be sent <em>before</em> sending the <code>ACCESSORY_START</code> command for entering accessory mode.</p> @@ -201,7 +203,8 @@ accessory to the Android device.</li> <p>The code definitions for the new control requests are:</p> -<pre><code>/* Control request for registering a HID device. +<pre class="devsite-click-to-copy"> +/* Control request for registering a HID device. * Upon registering, a unique ID is sent by the accessory in the * value parameter. This ID will be used for future commands for * the device @@ -248,7 +251,7 @@ accessory to the Android device.</li> * data the HID report for the event */ #define ACCESSORY_SEND_HID_EVENT 57 -</code></pre> +</pre> <h2 id="interoperability-with-aoa-10-features">Interoperability with AOAv1</h2> |