Difference between revisions of "Unit MMC"

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<pre style="border: 0; padding-bottom:0px;">function MMCDeviceDeregister(MMC:PMMCDevice):LongWord;</pre>
 
<pre style="border: 0; padding-bottom:0px;">function MMCDeviceDeregister(MMC:PMMCDevice):LongWord;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Deregister a MMC ?rom the MMC table</div>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Deregister a MMC ?rom the MMC table</div>
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<pre style="border: 0; padding-bottom:0px;">function MMCDeviceFind(MMCId:LongWord):PMMCDevice;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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<pre style="border: 0; padding-bottom:0px;">function MMCDeviceFindByName(const Name:String):PMMCDevice; inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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<pre style="border: 0; padding-bottom:0px;">function MMCDeviceFindByDescription(const Description:String):PMMCDevice; inline;</pre>
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<pre style="border: 0; padding-bottom:0px;">function MMCDeviceEnumerate(Callback:TMMCEnumerate; Data:Pointer):LongWord;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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<pre style="border: 0; padding-bottom:0px;">function MMCDeviceNotification(MMC:PMMCDevice; Callback:TMMCNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 
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Revision as of 06:21, 12 October 2016

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Description

This unit implements the standards based part of the SD/MMC specification including the standard SDHCI interfaces.

For each platform a SDHCI module needs to be provided that implements the platform specific parts of the SDHCI interface.

This is similar in model to USB and other interfaces in Ultibo, where the generic interface unit requires a platform specific module to register with it in order to communicate with platform specific devices.

The SD/MMC interfaces are 2 tier (ie Host and Device) whereas the USB interface is 3 tier (Host, Device and Driver).

Constants

To be documented

Type definitions

To be documented

Public variables

To be documented

Function declarations


Initialization functions 

procedure MMCInit;
Description: To be documented
Note None documented 


function MMCStart:LongWord;
Description: To be documented
Note None documented 


function MMCStop:LongWord;
Description: To be documented
Note None documented 


procedure MMCAsyncStart(SDHCI:PSDHCIHost);
Description: To be documented
Note None documented


MMC functions 

function MMCDeviceReadBlocks(MMC:PMMCDevice; const Start,Count:Int64; Buffer:Pointer):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceWriteBlocks(MMC:PMMCDevice; const Start,Count:Int64; Buffer:Pointer):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceEraseBlocks(MMC:PMMCDevice; const Start,Count:Int64):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceGoIdle(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSetClock(MMC:PMMCDevice; Clock:LongWord):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSetBusWidth(MMC:PMMCDevice; Width:LongWord):LongWord;
Description: To be documented
Reference Section 3.4 of SD Host Controller Simplified Specification V3.0 partA2_300.pdf 


function MMCDeviceSetBlockLength(MMC:PMMCDevice; Length:LongWord):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSetBlockCount(MMC:PMMCDevice; Count:LongWord; Relative:Boolean):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSetDriverStage(MMC:PMMCDevice; DriverStage:LongWord):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSelectCard(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceDeselectCard(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSwitch(MMC:PMMCDevice; Setting,Index,Value:Byte):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSendCardStatus(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSendOperationCondition(MMC:PMMCDevice; Probe:Boolean):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSendCardSpecific(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceDecodeCardSpecific(MMC:PMMCDevice):LongWord;
Description: Given a 128-bit response, decode to our card CSD structure
Note None documented 


function MMCDeviceSendCardIdentification(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSendAllCardIdentification(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceDecodeCardIdentification(MMC:PMMCDevice):LongWord;
Description: Given a 128-bit response, decode to our card CID structure
Note None documented 


function MMCDeviceGetExtendedCardSpecific(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSendExtendedCardSpecific(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceDecodeExtendedCardSpecific(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSetRelativeAddress(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSPISetCRC(MMC:PMMCDevice; Enable:Boolean):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSPIReadOperationCondition(MMC:PMMCDevice; HighCapacity:Boolean):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceInsert(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceRemove(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceInitialize(MMC:PMMCDevice):LongWord;
Description: To be documented
Reference Section 3.6 of SD Host Controller Simplified Specification V3.0 partA2_300.pdf 


function MMCDeviceDeinitialize(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceGetCardDetect(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceGetWriteProtect(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSendCommand(MMC:PMMCDevice; Command:PMMCCommand):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceSetIOS(MMC:PMMCDevice):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceCreate:PMMCDevice;
Description: Create a new MMC entry
Return Pointer to new MMC entry or nil if MMC could not be created 


function MMCDeviceCreateEx(Size:LongWord):PMMCDevice;
Description: Create a new MMC entry
Size Size in bytes to allocate for new MMC (Including the MMC entry)
Return Pointer to new MMC entry or nil if MMC could not be created 


function MMCDeviceDestroy(MMC:PMMCDevice):LongWord;
Description: Destroy an existing MMC entry
Note None documented 


function MMCDeviceRegister(MMC:PMMCDevice):LongWord;
Description: Register a new MMC in the MMC table
Note None documented 


function MMCDeviceDeregister(MMC:PMMCDevice):LongWord;
Description: Deregister a MMC ?rom the MMC table
Note None documented 


function MMCDeviceFind(MMCId:LongWord):PMMCDevice;
Description: To be documented
Note None documented 


function MMCDeviceFindByName(const Name:String):PMMCDevice; inline;
Description: To be documented
Note None documented 


function MMCDeviceFindByDescription(const Description:String):PMMCDevice; inline;
Description: To be documented
Note None documented 


function MMCDeviceEnumerate(Callback:TMMCEnumerate; Data:Pointer):LongWord;
Description: To be documented
Note None documented 


function MMCDeviceNotification(MMC:PMMCDevice; Callback:TMMCNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented
Note None documented


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