7 files changed, 73 insertions, 1 deletions

diff --git a/firmware/export/backlight-thread-fading.h b/firmware/export/backlight-thread-fading.h
new file mode 100644
index 0000000000..ca9c195480
--- /dev/null
+++ b/firmware/export/backlight-thread-fading.h
@@ -0,0 +1,46 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id:$
+ *
+ * Copyright (C) 2007 by Will Robertson
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef BACKLIGHT_THREAD_FADING_H
+#define BACKLIGHT_THREAD_FADING_H
+
+#include "config.h"
+
+#ifdef USE_BACKLIGHT_SW_FADING
+
+/* delay supposed to be MAX_BRIGHTNESS_SETTING*2 rounded to the next multiple
+ * of 5, however not more than 40 */
+#define _FADE_DELAY (((MAX_BRIGHTNESS_SETTING*2+4)/5)*5)
+#define FADE_DELAY (HZ/(MIN(_FADE_DELAY, 40)))
+
+void _backlight_fade_update_state(int brightness);
+bool _backlight_fade_step(int direction);
+
+/* enum used for both, fading state and fading type selected through the settings */
+
+enum {
+    NOT_FADING = 0,
+    FADING_UP,
+    FADING_DOWN,
+};
+#endif /* USE_BACKLIGHT_SW_FADING */
+
+#endif /* _BACKLIGHT_THREAD_FADING_ */
diff --git a/firmware/export/backlight.h b/firmware/export/backlight.h
index e0980658dc..a177fe740f 100644
--- a/firmware/export/backlight.h
+++ b/firmware/export/backlight.h
@@ -34,10 +34,16 @@ void backlight_close(void);
 
 int  backlight_get_current_timeout(void);
 
-#ifdef HAVE_BACKLIGHT_PWM_FADING
+#if defined(HAVE_BACKLIGHT_PWM_FADING)
 void backlight_set_fade_in(int value);
 void backlight_set_fade_out(int value);
 #endif
+#ifdef USE_BACKLIGHT_SW_FADING
+void backlight_set_fade_in(bool value);
+void backlight_set_fade_out(bool value);
+#endif
+
+extern int backlight_brightness;
 
 void backlight_set_timeout_plugged(int value);
 
diff --git a/firmware/export/config-c200.h b/firmware/export/config-c200.h
index a96b9c7ef8..8e26585e94 100644
--- a/firmware/export/config-c200.h
+++ b/firmware/export/config-c200.h
@@ -132,6 +132,10 @@
 /** Non-simulator section **/
 #ifndef SIMULATOR
 
+/* define this if the backlight thread is used for fade, not for sim, needs
+ * HAVE_BACKLIGHT_BRIGHTNESS */
+#define USE_BACKLIGHT_SW_FADING
+
 /* Define this if you have a PortalPlayer PP5024 */
 #define CONFIG_CPU PP5022
 
diff --git a/firmware/export/config-cowond2.h b/firmware/export/config-cowond2.h
index fd696aae66..b723201340 100644
--- a/firmware/export/config-cowond2.h
+++ b/firmware/export/config-cowond2.h
@@ -122,6 +122,10 @@
 
 #ifndef SIMULATOR
 
+/* define this if the backlight thread is used for fade, not for sim, needs
+ * HAVE_BACKLIGHT_BRIGHTNESS */
+#define USE_BACKLIGHT_SW_FADING
+
 /* Define this if you have a TCC7801 */
 #define CONFIG_CPU TCC7801
 
diff --git a/firmware/export/config-e200.h b/firmware/export/config-e200.h
index 075f490ee4..d9bebef9bc 100644
--- a/firmware/export/config-e200.h
+++ b/firmware/export/config-e200.h
@@ -129,6 +129,10 @@
 /** Non-simulator section **/
 #ifndef SIMULATOR
 
+/* define this if the backlight thread is used for fade, not for sim, needs
+ * HAVE_BACKLIGHT_BRIGHTNESS */
+#define USE_BACKLIGHT_SW_FADING
+
 /* Define this if you have a PortalPlayer PP5024 */
 #define CONFIG_CPU PP5024
 
diff --git a/firmware/export/config-h300.h b/firmware/export/config-h300.h
index f45b694fe0..2af426f048 100644
--- a/firmware/export/config-h300.h
+++ b/firmware/export/config-h300.h
@@ -114,6 +114,11 @@
 
 #ifndef SIMULATOR
 
+/* define this if the backlight thread is used for fade, not for sim, needs
+ * HAVE_BACKLIGHT_BRIGHTNESS */
+#define USE_BACKLIGHT_SW_FADING
+
+
 /* Define this if your LCD can be enabled/disabled */
 #define HAVE_LCD_ENABLE
 
diff --git a/firmware/export/config-iaudiox5.h b/firmware/export/config-iaudiox5.h
index cdae55af4f..089d219534 100644
--- a/firmware/export/config-iaudiox5.h
+++ b/firmware/export/config-iaudiox5.h
@@ -124,6 +124,9 @@
 
 #ifndef SIMULATOR
 
+/* define this if the backlight thread is used for fade, not for sim */
+#define USE_BACKLIGHT_SW_FADING
+
 /* Define this if your LCD can set contrast */
 #define HAVE_LCD_CONTRAST