Difference between revisions of "Unit MMC"

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<pre style="border: 0; padding-bottom:0px;">function MMCDeviceSetDriverStage(MMC:PMMCDevice; DriverStage:LongWord):LongWord;</pre>
 
<pre style="border: 0; padding-bottom:0px;">function MMCDeviceSetDriverStage(MMC:PMMCDevice; DriverStage:LongWord):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 MMCDeviceSelectCard(MMC:PMMCDevice):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 MMCDeviceDeselectCard(MMC:PMMCDevice):LongWord;</pre>
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<pre style="border: 0; padding-bottom:0px;">function MMCDeviceSwitch(MMC:PMMCDevice; Setting,Index,Value:Byte):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 MMCDeviceSendCardStatus(MMC:PMMCDevice):LongWord;</pre>
 
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 
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Revision as of 06:15, 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

[Expand] 
procedure MMCInit;
Description: To be documented


[Expand] 
function MMCStart:LongWord;
Description: To be documented


[Expand] 
function MMCStop:LongWord;
Description: To be documented


[Expand] 
procedure MMCAsyncStart(SDHCI:PSDHCIHost);
Description: To be documented


MMC functions

[Expand] 
function MMCDeviceReadBlocks(MMC:PMMCDevice; const Start,Count:Int64; Buffer:Pointer):LongWord;
Description: To be documented


[Expand] 
function MMCDeviceWriteBlocks(MMC:PMMCDevice; const Start,Count:Int64; Buffer:Pointer):LongWord;
Description: To be documented


[Expand] 
function MMCDeviceEraseBlocks(MMC:PMMCDevice; const Start,Count:Int64):LongWord;
Description: To be documented


[Expand] 
function MMCDeviceGoIdle(MMC:PMMCDevice):LongWord;
Description: To be documented


[Expand] 
function MMCDeviceSetClock(MMC:PMMCDevice; Clock:LongWord):LongWord;
Description: To be documented


[Expand] 
function MMCDeviceSetBusWidth(MMC:PMMCDevice; Width:LongWord):LongWord;
Description: To be documented


[Expand] 
function MMCDeviceSetBlockLength(MMC:PMMCDevice; Length:LongWord):LongWord;
Description: To be documented


[Expand] 
function MMCDeviceSetBlockCount(MMC:PMMCDevice; Count:LongWord; Relative:Boolean):LongWord;
Description: To be documented


[Expand] 
function MMCDeviceSetDriverStage(MMC:PMMCDevice; DriverStage:LongWord):LongWord;
Description: To be documented


[Expand] 
function MMCDeviceSelectCard(MMC:PMMCDevice):LongWord;
Description: To be documented


[Expand] 
function MMCDeviceDeselectCard(MMC:PMMCDevice):LongWord;
Description: To be documented


[Expand] 
function MMCDeviceSwitch(MMC:PMMCDevice; Setting,Index,Value:Byte):LongWord;
Description: To be documented


[Expand] 
function MMCDeviceSendCardStatus(MMC:PMMCDevice):LongWord;
Description: To be documented


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