Sansa c200v2: enable battery charging

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24257 a1c6a512-1295-4272-9138-f99709370657

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

@@ -52,6 +52,16 @@
 #define CHARGER_TOTAL_TIMER (4*3600*2)
 #define ADC_BATTERY         ADC_BVDD
 
+#elif defined(SANSA_C200V2)
+
+/* Check if topped-off and monitor voltage while plugged. */
+#define BATT_FULL_VOLTAGE   4160
+#define BATT_VAUTO_RECHARGE 4100
+#define BATT_CHG_V          CHG_V_4_20V
+#define BATT_CHG_I          CHG_I_200MA
+#define CHARGER_TOTAL_TIMER (4*3600*2)
+#define ADC_BATTERY         ADC_BVDD
+
 #else
 #error "Charger settings not defined!"
 #endif

firmware/target/arm/as3525/sansa-c200v2/powermgmt-c200v2.c

@@ -0,0 +1,48 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Heikki Hannikainen, Uwe Freese
+ * Revisions copyright (C) 2005 by Gerald Van Baren
+ *
+ * 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"
+#include "powermgmt.h"
+
+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] =
+{
+    /* TODO: calibrate, copied from powermgmt-c200.c svn r22636 */
+    { 3400, 3689, 3744, 3773, 3798, 3831, 3886, 3947, 4005, 4102, 4220 },
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
+const unsigned short percent_to_volt_charge[11] =
+{
+    /* TODO: simple uncalibrated curve with 10% knee at 3.60V */
+    3400, 3600, 3670, 3740, 3810, 3880, 3950, 4020, 4090, 4160, 4230
+};