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authorMarcin Bukat <marcin.bukat@gmail.com>2010-04-26 21:40:16 +0000
committerMarcin Bukat <marcin.bukat@gmail.com>2010-04-26 21:40:16 +0000
commit28d54c6016459ffe93c0be2efea7de27c38d783c (patch)
tree9a7a71481f0a82599616a3e9f4e5bdad9fee8d6c /firmware/target/coldfire/mpio/hd200/powermgmt-hd200.c
parentb09d3aec392538ca0934644ff6357c41aaa4c323 (diff)
downloadrockbox-28d54c6016459ffe93c0be2efea7de27c38d783c.tar.gz
rockbox-28d54c6016459ffe93c0be2efea7de27c38d783c.zip
Add MPIO HD200 port - new files
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25725 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/coldfire/mpio/hd200/powermgmt-hd200.c')
-rw-r--r--firmware/target/coldfire/mpio/hd200/powermgmt-hd200.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/firmware/target/coldfire/mpio/hd200/powermgmt-hd200.c b/firmware/target/coldfire/mpio/hd200/powermgmt-hd200.c
new file mode 100644
index 0000000000..23a0bac927
--- /dev/null
+++ b/firmware/target/coldfire/mpio/hd200/powermgmt-hd200.c
@@ -0,0 +1,59 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id:$
+ *
+ * Copyright (C) 2010 Marcin Bukat
+ *
+ * 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 "adc.h"
+#include "powermgmt.h"
+
+const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
+{
+ 3700
+};
+
+const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
+{
+ 3650
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
+const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
+{
+ /* from OF and measurements voltage range is 3.7-4.1 V */
+ { 3700, 3740, 3780, 3820, 3860, 3900, 3940, 3980, 4020, 4060, 4100 }
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
+const unsigned short percent_to_volt_charge[11] =
+{
+ /* values measured over one full charging cycle */
+ 3540, 3860, 3930, 3980, 4000, 4020, 4040, 4080, 4130, 4180, 4230 /* LiPo */
+};
+
+/* 3.33V as reference */
+#define BATTERY_SCALE_FACTOR 3330
+
+
+/* Returns battery voltage from ADC [millivolts] */
+unsigned int battery_adc_voltage(void)
+{
+ return (adc_read(ADC_BATTERY) * BATTERY_SCALE_FACTOR) >> 11;
+}
+