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Implement basic SPIFI block driver for the LPC43xx (doesn't work)

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4938 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
2012-07-13 16:03:13 +00:00
parent 376065f4d0
commit ea8678e727
4 changed files with 177 additions and 14 deletions
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include/nuttx/ramdisk.h
+18 -9
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@@ -1,8 +1,8 @@
/****************************************************************************
* nuttx/ramdisk.h
*
* Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
* Copyright (C) 2008-2009, 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -33,8 +33,8 @@
*
****************************************************************************/
#ifndef __NUTTX_RAMDISK_H
#define __NUTTX_RAMDISK_H
#ifndef __INCLUDE_NUTTX_RAMDISK_H
#define __INCLUDE_NUTTX_RAMDISK_H
/****************************************************************************
* Included Files
@@ -64,21 +64,30 @@ extern "C" {
#define EXTERN extern
#endif
/* Non-standard function to register a ramdisk or a romdisk
/****************************************************************************
* Name: ramdisk_register or romdisk_register
*
* Description:
* Non-standard function to register a ramdisk or a romdisk
*
* Input Parmeters:
* minor: Selects suffix of device named /dev/ramN, N={1,2,3...}
* nsectors: Number of sectors on device
* sectize: The size of one sector
* writeenabled: true: can write to ram disk
* buffer: RAM disk backup memory
*/
*
* Returned Valued:
* Zero on success; a negated errno value on failure.
*
****************************************************************************/
#ifdef CONFIG_FS_WRITABLE
EXTERN int ramdisk_register(int minor, uint8_t *buffer, uint32_t nsectors,
EXTERN int ramdisk_register(int minor, FAR uint8_t *buffer, uint32_t nsectors,
uint16_t sectize, bool writeenabled);
#define romdisk_register(m,b,n,s) ramdisk_register(m,b,n,s,0)
#else
EXTERN int romdisk_register(int minor, uint8_t *buffer, uint32_t nsectors,
EXTERN int romdisk_register(int minor, FAR uint8_t *buffer, uint32_t nsectors,
uint16_t sectize);
#endif
@@ -87,4 +96,4 @@ EXTERN int romdisk_register(int minor, uint8_t *buffer, uint32_t nsectors,
}
#endif
#endif /* __NUTTX_RAMDISK_H */
#endif /* __INCLUDE_NUTTX_RAMDISK_H */