Sansa c200v2: enable battery charging

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

5 files changed, 65 insertions, 5 deletions

diff --git a/apps/debug_menu.c b/apps/debug_menu.c
index dd16a4ef4c..5162fc5cca 100644
--- a/apps/debug_menu.c
+++ b/apps/debug_menu.c
@@ -109,7 +109,7 @@
 #endif
 
 #if defined(SANSA_E200) || defined(SANSA_C200) || defined(PHILIPS_SA9200) \
-    || defined(SANSA_CLIP) || defined(SANSA_FUZE)
+    || defined(SANSA_CLIP) || defined(SANSA_FUZE) || defined(SANSA_C200V2)
 #include "ascodec.h"
 #include "as3514.h"
 #endif
@@ -1618,7 +1618,8 @@ static bool view_battery(void)
                     lcd_puts(0, line++, "T Battery: ?");
                 }
                     
-#elif defined(SANSA_E200) || defined(SANSA_C200) || defined(SANSA_CLIP) || defined(SANSA_FUZE)
+#elif defined(SANSA_E200) || defined(SANSA_C200) || defined(SANSA_CLIP) || \
+      defined(SANSA_FUZE) || defined (SANSA_C200V2)
                 const int first = CHARGE_STATE_DISABLED;
                 static const char * const chrgstate_strings[] =
                 {
diff --git a/firmware/SOURCES b/firmware/SOURCES
index c1da067fd3..540ec8b1f4 100644
--- a/firmware/SOURCES
+++ b/firmware/SOURCES
@@ -1250,7 +1250,8 @@ target/arm/as3525/sansa-c200v2/button-c200v2.c
 target/arm/as3525/sansa-c200v2/backlight-c200v2.c
 target/arm/as3525/dbop-as3525.c
 #ifndef BOOTLOADER
-target/arm/as3525/powermgmt-as3525.c
+target/arm/powermgmt-ascodec.c
+target/arm/as3525/sansa-c200v2/powermgmt-c200v2.c
 #endif /* !BOOTLOADER */
 #endif /* !SIMULATOR */
 #endif /* SANSA_E200V2 */
diff --git a/firmware/export/config/sansac200v2.h b/firmware/export/config/sansac200v2.h
index 65aebf245b..aa1ed1ab70 100644
--- a/firmware/export/config/sansac200v2.h
+++ b/firmware/export/config/sansac200v2.h
@@ -131,8 +131,8 @@
 #define BATTERY_CAPACITY_INC 0          /* capacity increment */
 #define BATTERY_TYPES_COUNT  1          /* only one type */
 
-/* Hardware controlled charging? FIXME */
-#define CONFIG_CHARGING CHARGING_SIMPLE
+/* Charging implemented in a target-specific algorithm */
+#define CONFIG_CHARGING CHARGING_TARGET
 
 /* define this if the unit can be powered or charged via USB */
 #define HAVE_USB_POWER
diff --git a/firmware/target/arm/as3525/powermgmt-target.h b/firmware/target/arm/as3525/powermgmt-target.h
index 269a89349e..159a051e70 100644
--- a/firmware/target/arm/as3525/powermgmt-target.h
+++ b/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
diff --git a/firmware/target/arm/as3525/sansa-c200v2/powermgmt-c200v2.c b/firmware/target/arm/as3525/sansa-c200v2/powermgmt-c200v2.c
new file mode 100644
index 0000000000..395e2a472c
--- /dev/null
+++ b/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
+};