FAT update

Added fat test code


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@254 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 52 insertions, 0 deletions

diff --git a/firmware/test/fat/ata-sim.c b/firmware/test/fat/ata-sim.c
new file mode 100644
index 0000000000..d8c28d9467
--- /dev/null
+++ b/firmware/test/fat/ata-sim.c
@@ -0,0 +1,52 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "ata.h"
+
+#define BLOCK_SIZE 512
+
+static FILE* file;
+
+int ata_read_sectors(unsigned long start, unsigned char count, void* buf)
+{
+    if(fseek(file,start*BLOCK_SIZE,SEEK_SET)) {
+        perror("fseek");
+        return -1;
+    }
+    if(!fread(buf,BLOCK_SIZE,count,file)) {
+        printf("Failed reading %d blocks starting at block %ld\n",count,start); 
+        perror("fread");
+        return -1;
+    }
+    return 0;
+}
+
+int ata_write_sectors(unsigned long start, unsigned char count, void* buf)
+{
+    if(fseek(file,start*BLOCK_SIZE,SEEK_SET)) {
+        perror("fseek");
+        return -1;
+    }
+    if(!fwrite(buf,BLOCK_SIZE,count,file)) {
+        perror("fwrite");
+        return -1;
+    }
+    return 0;
+}
+
+int ata_init(void)
+{
+    /* check disk size */
+    file=fopen("disk.img","r+");
+    if(!file) {
+        fprintf(stderr, "read_disk() - Could not find \"disk.img\"\n");
+        return -1;
+    }
+    return 0;
+}
+
+void ata_exit(void)
+{
+    fclose(file);
+}