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authorMark Arigo <markarigo@gmail.com>2007-09-06 03:28:58 +0000
committerMark Arigo <markarigo@gmail.com>2007-09-06 03:28:58 +0000
commitdbc6b4e39a8f68708bc20a7b3295662c7871856a (patch)
tree725674ac56a56c80246181f1e42342ada60b7199 /firmware/target/arm/sandisk/sansa-c200/powermgmt-c200.c
parent4f3bcbbb11905c95337fcbe670a1b7da477fbf13 (diff)
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Sansa c200 port. Rockbox works with sound. Several features are disabled including some lcd options, FM radio, recording, and all plugins. Loading the OF from the Rockbox bootloader does not work.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14625 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/sandisk/sansa-c200/powermgmt-c200.c')
-rw-r--r--firmware/target/arm/sandisk/sansa-c200/powermgmt-c200.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/firmware/target/arm/sandisk/sansa-c200/powermgmt-c200.c b/firmware/target/arm/sandisk/sansa-c200/powermgmt-c200.c
new file mode 100644
index 0000000000..1de57cb184
--- /dev/null
+++ b/firmware/target/arm/sandisk/sansa-c200/powermgmt-c200.c
@@ -0,0 +1,58 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id: powermgmt-e200.c 14375 2007-08-17 06:45:18Z amiconn $
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+#include "adc.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] =
+{
+ /* Sansa Li Ion 750mAH FIXME this is a first linear approach */
+ { 3300, 3390, 3480, 3570, 3660, 3750, 3840, 3930, 4020, 4110, 4200 },
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
+const unsigned short percent_to_volt_charge[11] =
+{
+ /* Sansa Li Ion 750mAH FIXME*/
+ 3300, 3390, 3480, 3570, 3660, 3750, 3840, 3930, 4020, 4110, 4200
+};
+
+/* ADC should read 0x3ff=5.12V */
+#define BATTERY_SCALE_FACTOR 5125
+/* 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;
+}
+