summaryrefslogtreecommitdiffstats
path: root/firmware/target/arm/s5l8700/ipodnano2g/powermgmt-nano2g.c
diff options
context:
space:
mode:
Diffstat (limited to 'firmware/target/arm/s5l8700/ipodnano2g/powermgmt-nano2g.c')
-rw-r--r--firmware/target/arm/s5l8700/ipodnano2g/powermgmt-nano2g.c65
1 files changed, 65 insertions, 0 deletions
diff --git a/firmware/target/arm/s5l8700/ipodnano2g/powermgmt-nano2g.c b/firmware/target/arm/s5l8700/ipodnano2g/powermgmt-nano2g.c
new file mode 100644
index 0000000000..508995c436
--- /dev/null
+++ b/firmware/target/arm/s5l8700/ipodnano2g/powermgmt-nano2g.c
@@ -0,0 +1,65 @@
+/***************************************************************************
+ * __________ __ ___.
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ * $Id$
+ *
+ * Copyright © 2008 Rafaël Carré
+ *
+ * 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 "adc-target.h"
+#include "powermgmt.h"
+
+const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
+{
+ /* TODO: this is just an initial guess */
+ 3400
+};
+
+const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
+{
+ /* TODO: this is just an initial guess */
+ 3300
+};
+
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
+const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
+{
+ /* TODO: simple uncalibrated curve, linear except for first 10% */
+ { 3300, 3390, 3480, 3570, 3660, 3750, 3840, 3930, 4020, 4110, 4200 }
+};
+
+#if CONFIG_CHARGING
+/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
+const unsigned short percent_to_volt_charge[11] =
+{
+ /* TODO: simple uncalibrated curve, linear except for first 10% */
+ 3300, 3390, 3480, 3570, 3660, 3750, 3840, 3930, 4020, 4110, 4200
+};
+#endif /* CONFIG_CHARGING */
+
+/* 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 4000;
+}
+