Difference between revisions of "Unit I2S"
From Ultibo.org
| Line 70: | Line 70: | ||
| <code>I2S_LOG_LEVEL_INFO = LOG_LEVEL_INFO;</code> | | <code>I2S_LOG_LEVEL_INFO = LOG_LEVEL_INFO;</code> | ||
| I2S informational messages, such as a device being attached or detached | | 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> | | <code>I2S_LOG_LEVEL_ERROR = LOG_LEVEL_ERROR;</code> | ||
| Line 417: | Line 420: | ||
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;"> | <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> | <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 style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div> | ||
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;"> | <div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;"> | ||
Revision as of 04:24, 24 March 2018
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Description
Ultibo I2S/PCM interface unit
To be documented
Constants
I2S specific constants
I2S_* I2S_NAME_PREFIX = 'I2S';
|
Name prefix for I2S Devices |
I2S device types
I2S_TYPE_* I2S_TYPE_NONE = 0;
|
I2S device states
I2S_STATE_* I2S_STATE_DISABLED = 0;
|
|
I2S_STATE_ENABLED = 1;
|
I2S device flags
I2S_FLAG_* I2S_FLAG_NONE = $00000000;
|
I2S logging
I2S_LOG_* I2S_LOG_LEVEL_DEBUG = LOG_LEVEL_DEBUG;
|
I2S debugging messages |
I2S_LOG_LEVEL_INFO = LOG_LEVEL_INFO;
|
I2S informational messages, such as a device being attached or detached |
I2S_LOG_LEVEL_WARN = LOG_LEVEL_WARN;
|
I2S warning messages |
I2S_LOG_LEVEL_ERROR = LOG_LEVEL_ERROR;
|
I2S error messages |
I2S_LOG_LEVEL_NONE = LOG_LEVEL_NONE;
|
No I2S messages |
Type definitions
I2S properties
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;
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I2S device get properties
TI2SDeviceGetProperties = function(I2S:PI2SDevice; Properties:PI2SProperties):LongWord;
|
I2S device
PI2SDevice = ^TI2SDevice;
TI2SDevice = record
| Device Properties | |
Device:TDevice;
|
The Device entry for this I2S |
| I2S Properties | |
I2SId:LongWord;
|
Unique Id of this I2S in the I2S table |
I2SState:LongWord;
|
I2S state (eg I2S_STATE_ENABLED) |
DeviceGetProperties:TI2SDeviceGetProperties;
|
A Device specific DeviceGetProperties method implementing the standard I2S device interface |
| Statistics Properties | |
| Driver Properties | |
Lock:TMutexHandle;
|
Device lock |
Properties:TI2SProperties;
|
Device properties |
| Internal Properties | |
Prev:PI2SDevice;
|
Previous entry in I2S table |
Next:PI2SDevice;
|
Next entry in I2S table |
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
procedure I2SInit;
Description: To be documented
| Note | None documented |
|---|
I2S functions
function I2SDeviceGetProperties(I2S:PI2SDevice; Properties:PI2SProperties):LongWord;
Description: To be documented
| Note | None documented |
|---|
function I2SDeviceCreate:PI2SDevice;
Description: Create a new I2S entry
| Return | Pointer to new I2S entry or nil if I2S could not be created |
|---|
function I2SDeviceCreateEx(Size:LongWord):PI2SDevice;
Description: Create a new I2S entry
| 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 |
function I2SDeviceDestroy(I2S:PI2SDevice):LongWord;
Description: Destroy an existing I2S entry
| Note | None documented |
|---|
function I2SDeviceRegister(I2S:PI2SDevice):LongWord;
Description: Register a new I2S in the I2S table
| Note | None documented |
|---|
function I2SDeviceDeregister(I2S:PI2SDevice):LongWord;
Description: Deregister a I2S from the I2S table
| Note | None documented |
|---|
function I2SDeviceFind(I2SId:LongWord):PI2SDevice;
Description: To be documented
| Note | None documented |
|---|
function I2SDeviceFindByName(const Name:String):PI2SDevice; inline;
Description: To be documented
| Note | None documented |
|---|
function I2SDeviceFindByDescription(const Description:String):PI2SDevice; inline;
Description: To be documented
| Note | None documented |
|---|
function I2SDeviceEnumerate(Callback:TI2SEnumerate; Data:Pointer):LongWord;
Description: To be documented
| Note | None documented |
|---|
function I2SDeviceNotification(I2S:PI2SDevice; Callback:TI2SNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented
| Note | None documented |
|---|
I2S helper functions
function I2SGetCount:LongWord; inline;
Description: Get the current I2S count
| Note | None documented |
|---|
function I2SDeviceGetDefault:PI2SDevice; inline;
Description: Get the current default I2S device
| Note | None documented |
|---|
function I2SDeviceSetDefault(I2S:PI2SDevice):LongWord;
Description: Set the current default I2S device
| Note | None documented |
|---|
function I2SDeviceCheck(I2S:PI2SDevice):PI2SDevice;
Description: Check if the supplied I2S is in the I2S table
| Note | None documented |
|---|
procedure I2SLog(Level:LongWord; I2S:PI2SDevice; const AText:String);
Description: To be documented
| Note | None documented |
|---|
procedure I2SLogInfo(I2S:PI2SDevice; const AText:String); inline;
Description: To be documented
| Note | None documented |
|---|
procedure I2SLogWarn(I2S:PI2SDevice; const AText:String); inline;
Description: To be documented
| Note | None documented |
|---|
procedure I2SLogError(I2S:PI2SDevice; const AText:String); inline;
Description: To be documented
| Note | None documented |
|---|
procedure I2SLogDebug(I2S:PI2SDevice; const AText:String); inline;
Description: To be documented
| Note | None documented |
|---|
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