From 590501cfe404b5463adecc70628e5bc7c8f142a2 Mon Sep 17 00:00:00 2001
From: Will Robertson <aliask@rockbox.org>
Date: Fri, 21 Sep 2007 15:51:53 +0000
Subject: Merge the Gigabeat S branch back into trunk. Fingers crossed nothing
 breaks.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14805 a1c6a512-1295-4272-9138-f99709370657
---
 .../target/arm/imx31/gigabeat-s/powermgmt-imx31.c  | 60 ++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 firmware/target/arm/imx31/gigabeat-s/powermgmt-imx31.c

(limited to 'firmware/target/arm/imx31/gigabeat-s/powermgmt-imx31.c')

diff --git a/firmware/target/arm/imx31/gigabeat-s/powermgmt-imx31.c b/firmware/target/arm/imx31/gigabeat-s/powermgmt-imx31.c
new file mode 100644
index 0000000000..7441100a7d
--- /dev/null
+++ b/firmware/target/arm/imx31/gigabeat-s/powermgmt-imx31.c
@@ -0,0 +1,60 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Heikki Hannikainen, Uwe Freese
+ * Revisions copyright (C) 2005 by Gerald Van Baren
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+/* FIXME: This is just the Gigabeat F/X file with a different name... */
+
+#include "config.h"
+#include "adc.h"
+#include "powermgmt.h"
+
+const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
+{
+    3450
+};
+
+const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
+{
+    3400
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
+const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
+{
+    /* Toshiba Gigabeat Li Ion 830mAH figured from discharge curve */
+    { 3480, 3550, 3590, 3610, 3630, 3650, 3700, 3760, 3800, 3910, 3990 },
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
+const unsigned short percent_to_volt_charge[11] =
+{
+    /* Toshiba Gigabeat Li Ion 830mAH */
+    3480, 3550, 3590, 3610, 3630, 3650, 3700, 3760, 3800, 3910, 3990
+};
+
+/* ADC[0] is (530) at discharge and 625 at full charge */
+#define BATTERY_SCALE_FACTOR 6605
+/* full-scale ADC readout (2^10) in millivolt */
+
+/* Returns battery voltage from ADC [millivolts] */
+unsigned int battery_adc_voltage(void)
+{
+    return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10;
+}
+
-- 
cgit v1.2.3