Fat32 write updates: Nixed some bugs. Basic file creation now works. Todo: Long filenames and extensive test cases.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2742 a1c6a512-1295-4272-9138-f99709370657

2 files changed, 19 insertions, 31 deletions

diff --git a/firmware/test/fat/ata-sim.c b/firmware/test/fat/ata-sim.c
index a37fabc..a64e0a4 100644
--- a/firmware/test/fat/ata-sim.c
+++ b/firmware/test/fat/ata-sim.c
@@ -9,7 +9,7 @@ static FILE* file;
 
 int ata_read_sectors(unsigned long start, unsigned char count, void* buf)
 {
-    DEBUGF("Reading block 0x%lx\n",start); 
+    DEBUGF("[Reading block 0x%lx]\n",start); 
     if(fseek(file,start*BLOCK_SIZE,SEEK_SET)) {
         perror("fseek");
         return -1;
@@ -17,14 +17,14 @@ int ata_read_sectors(unsigned long start, unsigned char count, void* buf)
     if(!fread(buf,BLOCK_SIZE,count,file)) {
         printf("Failed reading %d blocks starting at block 0x%lx\n",count,start); 
         perror("fread");
-        return -1;
+        return -2;
     }
     return 0;
 }
 
 int ata_write_sectors(unsigned long start, unsigned char count, void* buf)
 {
-    DEBUGF("Writing block 0x%lx\n",start); 
+    DEBUGF("[Writing block 0x%lx]\n",start); 
 
     if (start == 0) {
         DEBUGF("Holy crap! You're writing on sector 0!\n");
@@ -37,7 +37,7 @@ int ata_write_sectors(unsigned long start, unsigned char count, void* buf)
     }
     if(!fwrite(buf,BLOCK_SIZE,count,file)) {
         perror("fwrite");
-        return -1;
+        return -2;
     }
     return 0;
 }
diff --git a/firmware/test/fat/main.c b/firmware/test/fat/main.c
index 1b9fd22..91e7444 100644
--- a/firmware/test/fat/main.c
+++ b/firmware/test/fat/main.c
@@ -19,6 +19,7 @@ void panicf( char *fmt, ...)
 {
     va_list ap;
     va_start( ap, fmt );
+    printf("***PANIC*** ");
     vprintf( fmt, ap );
     va_end( ap );
     exit(0);
@@ -82,17 +83,20 @@ void dbg_dir(char* currdir)
     }
 }
 
-void dbg_mkfile(char* name)
+void dbg_mkfile(char* name, int num)
 {
-    char* text = "Detta är en dummy-text\n";
+    char text[800];
     int i;
     int fd = open(name,O_WRONLY);
     if (fd<0) {
         DEBUGF("Failed creating file\n");
         return;
     }
-    for (i=0;i<200;i++)
-        if (write(fd, text, strlen(text)) < 0)
+    for (i=0; i<sizeof(text)/4; i++ )
+        sprintf(text+i*4,"%03x,",i);
+
+    for (i=0;i<num;i++)
+        if (write(fd, text, sizeof(text)) < 0)
             DEBUGF("Failed writing data\n");
     
     close(fd);
@@ -137,27 +141,7 @@ void dbg_tail(char* name)
         return;
     DEBUGF("Got file descriptor %d\n",fd);
     
-    rc = lseek(fd,512,SEEK_SET);
-    if ( rc >= 0 ) {
-        rc = read(fd, buf, SECTOR_SIZE);
-        if( rc > 0 )
-        {
-            buf[rc]=0;
-            printf("%d: %s\n", strlen(buf), buf);
-        }
-        else if ( rc == 0 ) {
-            DEBUGF("EOF\n");
-        }
-        else
-        {
-            DEBUGF("Failed reading file: %d\n",rc);
-        }
-    }
-    else {
-        perror("lseek");
-    }
-
-    rc = lseek(fd,-100,SEEK_CUR);
+    rc = lseek(fd,-512,SEEK_END);
     if ( rc >= 0 ) {
         rc = read(fd, buf, SECTOR_SIZE);
         if( rc > 0 )
@@ -284,6 +268,8 @@ void dbg_console(void)
     }
 }
 
+extern void ata_exit(void);
+
 int main(int argc, char *argv[])
 {
     int rc,i;
@@ -325,12 +311,14 @@ int main(int argc, char *argv[])
     //dbg_console();
     //dbg_dir("/");
 #if 1
-    dbg_head("/bepa.txt");
+    dbg_tail("/depa.txt");
 #else
-    dbg_mkfile("/bepa.txt");
+    dbg_mkfile("/depa.txt", 10);
 #endif
     dbg_dir("/");
 
+    ata_exit();
+
     return 0;
 }