Clip+: add charging curve

Charge using 150mA current like the OF to charge faster
Edit clipv2 charging curve with 150mA

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26227 a1c6a512-1295-4272-9138-f99709370657

firmware/SOURCES

@@ -1249,7 +1249,7 @@ target/arm/as3525/sansa-clipplus/button-clip.c
 target/arm/as3525/sansa-clipplus/backlight-clip.c
 #ifndef BOOTLOADER
 target/arm/powermgmt-ascodec.c
-target/arm/as3525/sansa-clip/powermgmt-clip.c
+target/arm/as3525/sansa-clipplus/powermgmt-clipplus.c
 target/arm/as3525/sansa-clipplus/lcd-as-clip-plus.S
 #endif /* !BOOTLOADER */
 #endif /* !SIMULATOR */

firmware/target/arm/as3525/powermgmt-target.h

@@ -36,11 +36,11 @@
 #elif defined(SANSA_CLIPPLUS)
 
 /* Check if topped-off and monitor voltage while plugged. */
-#define BATT_FULL_VOLTAGE   4200
+#define BATT_FULL_VOLTAGE   4160
 #define BATT_VAUTO_RECHARGE 4100
 #define BATT_CHG_V          CHG_V_4_20V
-#define BATT_CHG_I          CHG_I_100MA
+#define BATT_CHG_I          CHG_I_150MA
-#define CHARGER_TOTAL_TIMER (6*3600*2)  /* about 1.5 * capacity / current */
+#define CHARGER_TOTAL_TIMER (4*3600*2)  /* about 1.5 * capacity / current */
 
 #elif defined(SANSA_CLIPV2)
 
@@ -48,8 +48,8 @@
 #define BATT_FULL_VOLTAGE   4200
 #define BATT_VAUTO_RECHARGE 4100
 #define BATT_CHG_V          CHG_V_4_20V
-#define BATT_CHG_I          CHG_I_100MA
+#define BATT_CHG_I          CHG_I_150MA
-#define CHARGER_TOTAL_TIMER (6*3600*2)  /* about 1.5 * capacity / current */
+#define CHARGER_TOTAL_TIMER (4*3600*2)  /* about 1.5 * capacity / current */
 
 #elif defined(SANSA_E200V2)
 

firmware/target/arm/as3525/sansa-clipplus/powermgmt-clipplus.c

@@ -0,0 +1,49 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright © 2008 Rafaël Carré
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+
+/* The battery manufacturer's website shows discharge curves down to 3.0V,
+   so 'dangerous' and 'shutoff' levels of 3.4V and 3.3V should be safe.
+ */
+const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
+{
+    3400
+};
+
+const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
+{
+    3300
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
+const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
+{
+    { 3300, 3653, 3701, 3735, 3768, 3790, 3833, 3900, 3966, 4056, 4140 }
+};
+
+#if CONFIG_CHARGING
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
+const unsigned short percent_to_volt_charge[11] =
+{
+    3333, 3757, 3815, 3845, 3867, 3900, 3950, 4008, 4078, 4166, 4167
+};
+#endif /* CONFIG_CHARGING */

firmware/target/arm/as3525/sansa-clipv2/powermgmt-clipv2.c

@@ -44,8 +44,6 @@ const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
 /* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
 const unsigned short percent_to_volt_charge[11] =
 {
-    3379, 3766, 3828, 3855, 3875, 3911, 3975, 4035, 4117, 4217, 4219
+    3417, 3802, 3856, 3888, 3905, 3931, 3973, 4025, 4084, 4161, 4219
-
 };
 #endif /* CONFIG_CHARGING */
-