Difference between revisions of "Unit I2S"

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(Created page with "Return to Unit Reference === Description === ---- ''To be documented'' === Constants === ---- ''To be documented'' === Type definitions === ---- ''To...")
 
 
(4 intermediate revisions by the same user not shown)
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----
 
----
  
−
''To be documented''
+
'''Ultibo I2S/PCM Interface unit'''
  
 
=== Constants ===
 
=== Constants ===
 
----
 
----
  
−
''To be documented''
+
 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''I2S specific constants''' <code> I2S_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>I2S_NAME_PREFIX = 'I2S';</code>
 +
| Name prefix for I2S Devices
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''I2S device types''' <code> I2S_TYPE_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>I2S_TYPE_NONE = 0;</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''I2S device states''' <code> I2S_STATE_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>I2S_STATE_DISABLED = 0;</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
| <code>I2S_STATE_ENABLED = 1;</code>
 +
| &nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''I2S device flags''' <code> I2S_FLAG_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>I2S_FLAG_NONE = $00000000;</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;">'''I2S logging''' <code> I2S_LOG_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>I2S_LOG_LEVEL_DEBUG = LOG_LEVEL_DEBUG;</code>
 +
| I2S debugging messages
 +
|-
 +
| <code>I2S_LOG_LEVEL_INFO = LOG_LEVEL_INFO;</code>
 +
| I2S informational messages, such as a device being attached or detached
 +
|-
 +
| <code>I2S_LOG_LEVEL_WARN = LOG_LEVEL_WARN;</code>
 +
| I2S warning messages
 +
|-
 +
| <code>I2S_LOG_LEVEL_ERROR = LOG_LEVEL_ERROR;</code>
 +
| I2S error messages
 +
|-
 +
| <code>I2S_LOG_LEVEL_NONE = LOG_LEVEL_NONE;</code>
 +
| No I2S messages
 +
|-
 +
|}
 +
</div></div>
 +
<br />
  
 
=== Type definitions ===
 
=== Type definitions ===
 
----
 
----
  
−
''To be documented''
+
 
 +
'''I2S properties'''
 +
 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
<code>PI2SProperties = ^TI2SProperties;</code>
 +
 
 +
<code>TI2SProperties = record</code>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| &nbsp;
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
 
 +
'''I2S enumeration callback'''
 +
 
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>TI2SEnumerate = function(I2S:PI2SDevice; Data:Pointer):LongWord;</code>
 +
| style="width: 40%;"|
 +
|-
 +
|}
 +
 
 +
'''I2S notification callback'''
 +
 
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>TI2SNotification = function(Device:PDevice; Data:Pointer; Notification:LongWord):LongWord;</code>
 +
| style="width: 40%;"|
 +
|-
 +
|}
 +
 
 +
'''I2S device get properties'''
 +
 
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>TI2SDeviceGetProperties = function(I2S:PI2SDevice; Properties:PI2SProperties):LongWord;</code>
 +
| style="width: 40%;"|
 +
|-
 +
|}
 +
 
 +
'''I2S device'''
 +
 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
<code>PI2SDevice = ^TI2SDevice;</code>
 +
 
 +
<code>TI2SDevice = record</code>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
|colspan="2"|''Device Properties''
 +
|-
 +
| <code>Device:TDevice;</code>
 +
| The Device entry for this I2S
 +
|-
 +
|colspan="2"|''I2S Properties''
 +
|-
 +
| <code>I2SId:LongWord;</code>
 +
| Unique Id of this I2S in the I2S table
 +
|-
 +
| <code>I2SState:LongWord;</code>
 +
| I2S state (eg I2S_STATE_ENABLED)
 +
|-
 +
| <code>DeviceGetProperties:TI2SDeviceGetProperties;</code>
 +
| A Device specific DeviceGetProperties method implementing the standard I2S device interface
 +
|-
 +
|colspan="2"|''Statistics Properties''
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
|colspan="2"|''Driver Properties''
 +
|-
 +
| <code>Lock:TMutexHandle;</code>
 +
| Device lock
 +
|-
 +
| <code>Properties:TI2SProperties;</code>
 +
| Device properties
 +
|-
 +
|colspan="2"|''Internal Properties''
 +
|-
 +
| <code>Prev:PI2SDevice;</code>
 +
| Previous entry in I2S table
 +
|-
 +
| <code>Next:PI2SDevice;</code>
 +
| Next entry in I2S table
 +
|-
 +
|}
 +
</div></div>
 +
<br />
  
 
=== Public variables ===
 
=== Public variables ===
 
----
 
----
  
−
''To be documented''
+
 
 +
'''I2S logging'''
 +
 
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>I2S_DEFAULT_LOG_LEVEL:LongWord = I2S_LOG_LEVEL_DEBUG;</code>
 +
| style="width: 40%;"|Minimum level for I2S messages. Only messages with level greater than or equal to this will be printed.
 +
|-
 +
|}
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>I2S_LOG_ENABLED:Boolean;</code>
 +
| style="width: 40%;"|
 +
|-
 +
|}
 +
<br />
  
 
=== Function declarations ===
 
=== Function declarations ===
 
----
 
----
  
−
''To be documented''
 
  
 +
'''Initialization functions'''
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure I2SInit;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
 +
'''I2S functions'''
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SDeviceGetProperties(I2S:PI2SDevice; Properties:PI2SProperties):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SDeviceCreate:PI2SDevice;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Create a new I2S entry</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Return
 +
| Pointer to new I2S entry or nil if I2S could not be created
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SDeviceCreateEx(Size:LongWord):PI2SDevice;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Create a new I2S entry</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Size
 +
| Size in bytes to allocate for new I2S (Including the I2S entry)
 +
|-
 +
! Return
 +
| Pointer to new I2S entry or nil if I2S could not be created
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SDeviceDestroy(I2S:PI2SDevice):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Destroy an existing I2S entry</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SDeviceRegister(I2S:PI2SDevice):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Register a new I2S in the I2S table</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SDeviceDeregister(I2S:PI2SDevice):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Deregister a I2S from the I2S table</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SDeviceFind(I2SId:LongWord):PI2SDevice;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SDeviceFindByName(const Name:String):PI2SDevice; inline;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SDeviceFindByDescription(const Description:String):PI2SDevice; inline;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SDeviceEnumerate(Callback:TI2SEnumerate; Data:Pointer):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SDeviceNotification(I2S:PI2SDevice; Callback:TI2SNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
 +
'''I2S helper functions'''
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SGetCount:LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current I2S count</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SDeviceGetDefault:PI2SDevice;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current default I2S device</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SDeviceSetDefault(I2S:PI2SDevice):LongWord;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Set the current default I2S device</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">function I2SDeviceCheck(I2S:PI2SDevice):PI2SDevice;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Check if the supplied I2S is in the I2S table</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure I2SLog(Level:LongWord; I2S:PI2SDevice; const AText:String);</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure I2SLogInfo(I2S:PI2SDevice; const AText:String); inline;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure I2SLogWarn(I2S:PI2SDevice; const AText:String); inline;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! Note
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure I2SLogError(I2S:PI2SDevice; const AText:String); inline;</pre>
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<pre style="border: 0; padding-bottom:0px;">procedure I2SLogDebug(I2S:PI2SDevice; const AText:String); inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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Latest revision as of 03:47, 15 December 2022

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Description

Ultibo I2S/PCM Interface unit

Constants


[Expand]
I2S specific constants I2S_*


[Expand]
I2S device types I2S_TYPE_*


[Expand]
I2S device states I2S_STATE_*


[Expand]
I2S device flags I2S_FLAG_*


[Expand]
I2S logging I2S_LOG_*


Type definitions


I2S properties

[Expand]

PI2SProperties = ^TI2SProperties;

TI2SProperties = record

I2S enumeration callback

TI2SEnumerate = function(I2S:PI2SDevice; Data:Pointer):LongWord;

I2S notification callback

TI2SNotification = function(Device:PDevice; Data:Pointer; Notification:LongWord):LongWord;

I2S device get properties

TI2SDeviceGetProperties = function(I2S:PI2SDevice; Properties:PI2SProperties):LongWord;

I2S device

[Expand]

PI2SDevice = ^TI2SDevice;

TI2SDevice = record


Public variables


I2S logging

I2S_DEFAULT_LOG_LEVEL:LongWord = I2S_LOG_LEVEL_DEBUG; Minimum level for I2S messages. Only messages with level greater than or equal to this will be printed.
I2S_LOG_ENABLED:Boolean;


Function declarations


Initialization functions

[Expand] 
procedure I2SInit;
Description: To be documented


I2S functions

[Expand] 
function I2SDeviceGetProperties(I2S:PI2SDevice; Properties:PI2SProperties):LongWord;
Description: To be documented


[Expand] 
function I2SDeviceCreate:PI2SDevice;
Description: Create a new I2S entry


[Expand] 
function I2SDeviceCreateEx(Size:LongWord):PI2SDevice;
Description: Create a new I2S entry


[Expand] 
function I2SDeviceDestroy(I2S:PI2SDevice):LongWord;
Description: Destroy an existing I2S entry


[Expand] 
function I2SDeviceRegister(I2S:PI2SDevice):LongWord;
Description: Register a new I2S in the I2S table


[Expand] 
function I2SDeviceDeregister(I2S:PI2SDevice):LongWord;
Description: Deregister a I2S from the I2S table


[Expand] 
function I2SDeviceFind(I2SId:LongWord):PI2SDevice;
Description: To be documented


[Expand] 
function I2SDeviceFindByName(const Name:String):PI2SDevice; inline;
Description: To be documented


[Expand] 
function I2SDeviceFindByDescription(const Description:String):PI2SDevice; inline;
Description: To be documented


[Expand] 
function I2SDeviceEnumerate(Callback:TI2SEnumerate; Data:Pointer):LongWord;
Description: To be documented


[Expand] 
function I2SDeviceNotification(I2S:PI2SDevice; Callback:TI2SNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented


I2S helper functions

[Expand] 
function I2SGetCount:LongWord;
Description: Get the current I2S count


[Expand] 
function I2SDeviceGetDefault:PI2SDevice;
Description: Get the current default I2S device


[Expand] 
function I2SDeviceSetDefault(I2S:PI2SDevice):LongWord;
Description: Set the current default I2S device


[Expand] 
function I2SDeviceCheck(I2S:PI2SDevice):PI2SDevice;
Description: Check if the supplied I2S is in the I2S table


[Expand] 
procedure I2SLog(Level:LongWord; I2S:PI2SDevice; const AText:String);
Description: To be documented


[Expand] 
procedure I2SLogInfo(I2S:PI2SDevice; const AText:String); inline;
Description: To be documented


[Expand] 
procedure I2SLogWarn(I2S:PI2SDevice; const AText:String); inline;
Description: To be documented


[Expand] 
procedure I2SLogError(I2S:PI2SDevice; const AText:String); inline;
Description: To be documented


[Expand] 
procedure I2SLogDebug(I2S:PI2SDevice; const AText:String); inline;
Description: To be documented


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