Unit disk_io
Uses Classes, Interfaces, Objects and Records Variables
Description
Low level disk I/O module skeleton for Petit FatFs (C)ChaN, 2014
Overview
Functions and Procedures
Types
Constants
Description
Functions and Procedures
function disk_initialize(): DSTATUS; |
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Initialize Disk Drive
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function disk_readp(buff: Pointer; sector: DWORD; offset: DWORD; Count: DWORD): DRESULT; |
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Read Partial Sector
Parameters
- buff
- Pointer to the destination object
- sector
- Sector number (LBA)
- offset
- Offset in the sector
- count
- Byte count (bit15:destination)
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function disk_writep(buff: Pointer; sc: DWORD): DRESULT; |
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Write Partial Sector
Parameters
- buff
- Pointer to the data to be written, NULL:Initiate/Finalize write operation
- sc
- Sector number (LBA) or Number of bytes to send
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Types
DRESULT = (...); |
Values
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RES_OK = 0: Function succeeded
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RES_ERROR: Disk error
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RES_NOTRDY: Not ready
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RES_PARERR: Invalid parameter
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Constants
STA_NOINIT = $01; |
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Drive not initialized
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STA_NODISK = $02; |
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No medium in the drive
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