Ondio: disk indication in the status bar, to compensate for lacking LED

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6012 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 24 insertions, 4 deletions

diff --git a/firmware/drivers/ata_mmc.c b/firmware/drivers/ata_mmc.c
index 7ba6dac296..7139f0394f 100644
--- a/firmware/drivers/ata_mmc.c
+++ b/firmware/drivers/ata_mmc.c
@@ -635,6 +635,7 @@ int ata_read_sectors(IF_MV2(int drive,)
     addr = start * SECTOR_SIZE;
 
     mutex_lock(&mmc_mutex);
+    led(true);
 #ifdef HAVE_MULTIVOLUME
     card = &card_info[drive];
     ret = select_card(drive);
@@ -681,6 +682,7 @@ int ata_read_sectors(IF_MV2(int drive,)
     }
 
     deselect_card();
+    led(false);
     mutex_unlock(&mmc_mutex);
     
     /* only flush if reading went ok */
@@ -706,6 +708,7 @@ int ata_write_sectors(IF_MV2(int drive,)
     addr = start * SECTOR_SIZE;
     
     mutex_lock(&mmc_mutex);
+        led(true);
 #ifdef HAVE_MULTIVOLUME
     card = &card_info[drive];
     ret = select_card(drive);
@@ -750,6 +753,7 @@ int ata_write_sectors(IF_MV2(int drive,)
     }
 
     deselect_card();
+        led(false);
     mutex_unlock(&mmc_mutex);
 
     /* only flush if writing went ok */
diff --git a/firmware/drivers/led.c b/firmware/drivers/led.c
index 90a1b2cb39..4b63d07582 100644
--- a/firmware/drivers/led.c
+++ b/firmware/drivers/led.c
@@ -21,11 +21,13 @@
 #include "cpu.h"
 #include "led.h"
 #include "system.h"
+#include "kernel.h"
+
+static bool current;
 
 #ifdef HAVE_LED
 
 static bool xor;
-static bool current;
 
 void led(bool on)
 {
@@ -59,16 +61,27 @@ void invert_led(bool on)
     led(current);
 }
 
-#else /* no LED, just dummies */
+#else /* no LED, just status update */
+
+static long delay; 
 
 void led(bool on)
 {
-    (void)on;
+        if (current && !on) /* switching off */
+        {
+                delay = current_tick + HZ/2; /* delay the "off" status a bit */
+        }
+    current = on;
 }
 
 void invert_led(bool on)
 {
-    (void)on;
+    (void)on; /* no invert feature */
+}
+
+bool led_read(void) /* read by status bar update */
+{
+        return (current || TIME_BEFORE(current_tick, delay));
 }
 
 #endif // #ifdef HAVE_LED
diff --git a/firmware/export/led.h b/firmware/export/led.h
index cc035b9345..d7322e465b 100644
--- a/firmware/export/led.h
+++ b/firmware/export/led.h
@@ -24,5 +24,8 @@
 
 extern void led( bool on );
 extern void invert_led( bool on );
+#ifndef HAVE_LED
+extern bool led_read(void); /* read for status bar */
+#endif
 
 #endif