Changeset 169 for soft/giet_vm/apps/display/main.c

Timestamp:

Jul 17, 2012, 2:39:10 PM (12 years ago)

Author:

alain

Message:

Introducing support for FBDMA (Frame Buffer using DMA)

File:

• soft/giet_vm/apps/display/main.c (modified) (3 diffs)

soft/giet_vm/apps/display/main.c

@@ -9 +9 @@
     unsigned char buf_out[128*128];
     unsigned int i;
+    unsigned int x;
     unsigned int base = 0;
 
@@ -18 +19 @@
 
         /* Phase 1 : lecture image sur le disque et transfert vers buf_in */
-        if (giet_ioc_read(base, buf_in, NBLOCS))
+        x = giet_ioc_read(base, buf_in, NBLOCS);
+        if ( x )
         {
-            giet_tty_printf("echec giet_ioc_read\n");
+            giet_tty_printf("echec giet_ioc_read : %d\n", x);
             giet_exit();
         }
-        else
+        x = giet_ioc_completed();
+        if ( x )
         {
-            giet_ioc_completed();
-            giet_tty_printf("io_read  completed at date = %d \n", giet_proctime());
+            giet_tty_printf("echec giet_ioc_completed : %d\n", x);
+            giet_exit();
         }
+        giet_tty_printf("io_read  completed at date = %d \n", giet_proctime());
 
         /* Phase 2 : transfert de buf_in vers buf_out avec seuillage */
@@ -40 +44 @@
 
         /* Phase 3 : transfert de buf_out vers le frame buffer par dma */
-        if (giet_fb_sync_write(0, buf_out, 128 * 128))
+        x = giet_fb_write(0, buf_out, 128 * 128);
+        if ( x )
         {
-            giet_tty_printf("echec giet_fb_write\n");
+            giet_tty_printf("echec giet_fb_write : %d\n", x);
             giet_exit();
         }
-        else
+        x = giet_fb_completed();
+        if ( x )
         {
-            giet_tty_printf("transfer completed at date = %d \n", giet_proctime());
+            giet_tty_printf("echec giet_fb_completed : %d\n", x);
+            giet_exit();
         }
+        giet_tty_printf("transfer completed at date = %d \n", giet_proctime());
 
         base = base + NBLOCS;