From 28d54c6016459ffe93c0be2efea7de27c38d783c Mon Sep 17 00:00:00 2001 From: Marcin Bukat Date: Mon, 26 Apr 2010 21:40:16 +0000 Subject: Add MPIO HD200 port - new files git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25725 a1c6a512-1295-4272-9138-f99709370657 --- .../target/coldfire/mpio/hd200/powermgmt-hd200.c | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 firmware/target/coldfire/mpio/hd200/powermgmt-hd200.c (limited to 'firmware/target/coldfire/mpio/hd200/powermgmt-hd200.c') 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; +} + -- cgit v1.2.3