Added Software projects

git-svn-id: file:///srv/dev-disk-by-uuid-17e88007-4d0c-45e0-8757-cacfcc458630/repositories/svn/Diplomarbeit@55 9fe90eed-be63-e94b-8204-d34ff4c2ff93
2008-12-23 10:34:08 +00:00
parent ee5a771818
commit 373a8c32b2
348 changed files with 86781 additions and 0 deletions
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+/* ---------------------------------------------------------------------------
+ * diskio.c                                                     (C)ChaN, 2007
+ * ---------------------------------------------------------------------------
+ * Micro-key bv
+ * Industrieweg 28, 9804 TG Noordhorn
+ * Postbus 92, 9800 AB Zuidhorn
+ * The Netherlands
+ * Tel: +31 594 503020
+ * Fax: +31 594 505825
+ * Email: support@microkey.nl  
+ * Web: www.microkey.nl
+ * ---------------------------------------------------------------------------
+ * Description: 
+ * This is a stub disk I/O module that acts as front end of the existing 
+ * disk I/O modules and attach it to FatFs module with common interface.
+ * 
+ * ---------------------------------------------------------------------------
+ * Version(s):  0.2, Aug 11, 2008, MMi
+ *                  Edited to fit into LAN_2636 Project
+ *                  Change disk_write and disk_read functions to work with MMC
+ *                  disable multible drive support
+ *  
+ *              0.1, 2007 ChanN
+ *                  Creation
+ * ---------------------------------------------------------------------------
+ */
+
+/* ---------------------------------------------------------------------------
+ * System include files
+ * ---------------------------------------------------------------------------
+ */
+#include "LPC23xx.h"
+#include "types.h"
+/* ---------------------------------------------------------------------------
+ * Application include files
+ * ---------------------------------------------------------------------------
+ */
+#include "fat_diskio.h"
+#include "rtc.h"
+#include "mmc.h"
+#include "mmc_transfer.h"
+
+/* ---------------------------------------------------------------------------
+ * Local constant and macro definitions
+ * ---------------------------------------------------------------------------
+ */
+#define ATA		0
+#define MMC		1
+#define USB		2
+
+#define PAGESIZE        512             /* Pagesize of Card in Byte         */
+/* ---------------------------------------------------------------------------
+ * Global variable definitions
+ * ---------------------------------------------------------------------------
+ */
+
+/* ---------------------------------------------------------------------------
+ * Local variable definitions
+ * ---------------------------------------------------------------------------
+ */
+
+/* ---------------------------------------------------------------------------
+ * Local function definitions
+ * ---------------------------------------------------------------------------
+ */
+
+DSTATUS disk_initialize(UINT8 drive)
+{
+    DSTATUS stat = 0;
+
+    /* Multidevice support disabled, always return "Operation suceeded"     */
+    switch (drive)
+        {
+        case ATA:
+            return (stat);
+
+        case MMC:
+            return (stat);
+
+        case USB:
+            return (stat);
+            
+        default:
+            return (stat);
+        }
+    return STA_NOINIT;
+}
+
+
+DSTATUS disk_status(UINT8 drive)
+{
+    DSTATUS stat = 0;
+
+    /* Multidevice support disabled, always return "Operation suceeded"     */
+    switch (drive)
+        {
+        case ATA:
+            return (stat);
+
+        case MMC:
+            return (stat);
+
+        case USB:
+            return (stat);
+            
+        default:
+            return (stat);
+        }
+    return STA_NOINIT;
+}
+
+
+DRESULT disk_ioctl(UINT8 drive, UINT8 ctrl, void *buffer)
+{
+    DRESULT res = 0;
+
+    /* Multidevice support disabled, always return "Operation suceeded"     */
+    switch (drive)
+        {
+        case ATA:
+            return (res);
+
+        case MMC:
+            return (res);
+
+        case USB:
+            return (res);
+            
+        default:
+            return (res);
+        }
+    return RES_PARERR;
+}
+
+
+DRESULT disk_read(UINT8 drive, pUINT8 buffer, UINT32 sector, UINT8 count)
+{
+    UINT32 readResult = 1;
+    MmcState_t cardResult;              /* returned from the card reading   */
+
+    /* Read MMC/SD card on the desired sector for desired length
+     * The multiplications are necessary because the File Systems counts in
+     * sectors whereas the original MMC/SD driver requires the adress offset
+     */
+    cardResult = CardRead(buffer, (sector * PAGESIZE), (count * PAGESIZE));
+
+    /* Switch corresponding to the read result                              */
+    switch (cardResult)
+        {
+        case MmcOk:
+            /* Enter here, the reading worked without problems              */
+            readResult = 0;
+            break;
+        default:
+            /* enter here, there were some problems while reading           */
+            readResult = 1;
+            break;
+        }
+
+    return (readResult);
+}
+
+
+#if _READONLY == 0                      /* defined in diskio.h              */
+DRESULT disk_write(UINT8 drive, pUINT8 buffer, UINT32 sector, UINT8 count)
+{
+    UINT32 writeResult = 1;
+    MmcState_t cardResult;
+
+    /* Read MMC/SD card on the desired sector for desired length
+     * The multiplications are necessary because the File Systems counts in
+     * sectors whereas the original MMC/SD driver requires the adress offset
+     */
+    cardResult = CardWrite(buffer, (sector * PAGESIZE), (count * PAGESIZE));
+
+    /* Switch corresponding to the read result                              */
+    switch (cardResult)
+        {
+        case MmcOk:
+            /* Enter here, the writing worked without problems              */
+            writeResult = 0;
+            break;
+        default:
+            /* enter here, there were some problems while writing           */
+            writeResult = 1;
+            break;
+        }
+
+    return (writeResult);
+}
+#endif                                  /* _READONLY                        */
+