Diff: blockdev_sd.cpp

Revision:

0:fef366d2ed20

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/blockdev_sd.cpp	Tue Nov 22 05:45:58 2011 +0000
@@ -0,0 +1,75 @@
+/*****************************************************************************\
+*              efs - General purpose Embedded Filesystem library              *
+*          --------------------- -----------------------------------          *
+*                                                                             *
+* Filename : sd.c                                                             *
+* Revision : Initial developement                                             *
+* Description : This file contains the functions needed to use efs for        *
+*               accessing files on an SD-card.                                *
+*                                                                             *
+* This library is free software; you can redistribute it and/or               *
+* modify it under the terms of the GNU Lesser General Public                  *
+* License as published by the Free Software Foundation; either                *
+* version 2.1 of the License, or (at your option) any later version.          *
+*                                                                             *
+* This library is distributed in the hope that it will be useful,             *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of              *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU           *
+* Lesser General Public License for more details.                             *
+*                                                                             *
+*                                                    (c)2005 Michael De Nil   *
+*                                                    (c)2005 Lennart Yseboodt *
+\*****************************************************************************/
+
+/*
+    2006, Bertrik Sikken, modified for LPCUSB
+*/
+/*
+ *  Modified for mbed NXP LPC1768 & LPCXpresso board
+ *
+ *  NOT USE efs library
+ *  USE FatFs interface routine
+ *
+ *  original    LPC214x USB stack beta by bertrik
+ *              target-20070727.tar.gr (119.5KB)
+ *              http://sourceforge.net/projects/lpcusb/
+ *  By Kenji Arai / JH1PJL on September 25th, 2010
+ *      October 3rd, 2010
+ */
+
+//#define DEBUG
+#include "dbg.h"
+#include "mbed.h"
+
+#include "blockdev.h"
+#include "SDFileSystem.h"
+
+
+extern SDFileSystem sd;
+
+// Get Device media size
+uint32_t BlockDevGetSize()
+{
+    DBG("BlockDevGetSize\r\n");
+    return sd.disk_sectors() * 512;
+}
+
+// Initialize
+int BlockDevInit(void)
+{
+    DBG("BlockDevInit\r\n");
+//    return sd.disk_initialize(0);    // Drive # = 0
+    return 0;
+}
+
+int BlockDevWrite(uint32_t dwAddress, uint8_t * pbBuf)
+{
+    //( drive #=0, data buffer to write the data, sector's address, Number of Blocks=1 )
+    return sd.disk_write((char*)pbBuf, dwAddress);    // return=0 -> success
+}
+
+int BlockDevRead(uint32_t dwAddress, uint8_t * pbBuf)
+{
+    //( drive #=0, data buffer to read the data, sector's address, Number of Blocks=1 )
+    return sd.disk_read((char*)pbBuf, dwAddress);    // return=0 -> success
+}