Library Members

Microchip MDD File System Interface

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MDDFS Interface Library Help

Library Members

The following functions, variables, structures, and macros are public, but are intended only to be accessed by the library itself. Applications should generally not call these functions or modify these variables.

Functions

	Name	Description
	MDD_CFBT_CFread	Reads a byte from the CF card
	MDD_CFBT_CFwait	Wait until the card is ready
	MDD_CFBT_CFwrite	Writes a byte to the CF card
	MDD_CFBT_InitIO	None
	MDD_CFBT_SectorRead	SectorRead reads 512 bytes of data from the card starting at the sector address specified by sector_addr and stores them in the location pointed to by 'buffer'.
	MDD_CFBT_SectorWrite	SectorWrite sends 512 bytes of data from the location pointed to by 'buffer' to the card starting at the sector address specified by sector_addr.
	MDD_CFBT_WriteProtectState	Added for compatibility- no write protect feature
	MDD_CFPMP_CFread	Reads a byte from the CF card
	MDD_CFPMP_CFwait	Wait until the card and PMP are ready
	MDD_CFPMP_CFwrite	Writes a byte to the CF card
	MDD_CFPMP_InitIO	None
	MDD_CFPMP_SectorRead	SectorRead reads 512 bytes of data from the card starting at the sector address specified by sector_addr and stores them in the location pointed to by 'buffer'.
	MDD_CFPMP_SectorWrite	SectorWrite sends 512 bytes of data from the location pointed to by 'buffer' to the card starting at the sector address specified by sector_addr.
	MDD_CFPMP_WriteProtectState	Added for compatibility- no write protect feature

Macros

	Name	Description
	MDD_CFBT_DATABinput	A macro to set the CF data bus TRIS register to inputs
	MDD_CFBT_DATABoutput	A macro to set the CF data bus TRIS register to outputs
	MDD_CFBT_MediaInitialize	Prototypes
	MDD_CFPMP_DATABinput	A macro to set the CF data bus TRIS register to inputs
	MDD_CFPMP_DATABoutput	A macro to set the CF data bus TRIS register to outputs
	MDD_CFPMP_MediaInitialize	The initialization function for CF cards (no initialization required)
	R_CMD	A macro for the command register offset for CF cards
	R_COUNT	A macro for the count register offset for CF cards
	R_CYHI	A macro for the cylinder-high register offset for CF cards
	R_CYLO	A macro for the cylinder-low register offset for CF cards
	R_DATA	A macro for the data register offset for CF cards
	R_DRIVE	A macro for the drive register offset for CF cards
	R_ERROR	A macro for the error register offset for CF cards
	R_SECT	A macro for the sector register offset for CF cards
	R_STATUS	A macro for the status offset for CF cards
	C_DRIVE_DIAG	A macro for the CF drive diagnostic command
	C_DRIVE_IDENT	A macro for the CF drive identify command
	C_SECTOR_READ	A macro for the CF read comment
	C_SECTOR_WRITE	A macro for the CF write command
	S_ERROR	A macro indicating that the CF status register reports an error condition
	S_READY	A macro indicating that the CF status register reports a ready condition

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