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//
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//
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//    Copyright 2010 TheSeven
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//
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//
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//    This file is part of emCORE.
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//
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//    emCORE is free software: you can redistribute it and/or
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//    modify it under the terms of the GNU General Public License as
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//    published by the Free Software Foundation, either version 2 of the
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//    License, or (at your option) any later version.
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//
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//    emCORE is distributed in the hope that it will be useful,
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//    but WITHOUT ANY WARRANTY; without even the implied warranty of
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//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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//    See the GNU General Public License for more details.
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//
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//    You should have received a copy of the GNU General Public License along
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//    with emCORE.  If not, see <http://www.gnu.org/licenses/>.
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//
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//
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#include "global.h"
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#include "s5l8701.h"
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#include "power.h"
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#include "pmu.h"
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void reset();
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void power_off(void)
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{
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    pmu_ldo_on_in_standby(0, 0);
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    pmu_ldo_on_in_standby(1, 0);
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    pmu_ldo_on_in_standby(2, 0);
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    pmu_ldo_on_in_standby(3, 0);
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    pmu_ldo_on_in_standby(4, 0);
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    pmu_ldo_on_in_standby(5, 0);
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    pmu_ldo_on_in_standby(6, 0);
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    pmu_ldo_on_in_standby(7, 0);
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    pmu_set_wake_condition(0x42); /* USB inserted or EXTON1 */
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    pmu_enter_standby();
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    reset();
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}
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void power_init(void)
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{
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    pmu_init();
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    pmu_write(0x1e, 15);  /* Vcore = 1.000V */
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    pmu_ldo_set_voltage(2, 0x11); /* LCD   = 2.600V */
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}
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bool charging_state(void)
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{
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    return (PDAT11 & 0x10) ? false : true;
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}
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bool external_power_state(void)
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{
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    return (PDAT14 & 8) ? false : true;
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}
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bool vbus_state(void)
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{
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    return (PDAT14 & 8) ? false : true;
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}
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int read_battery_voltage(int battery)
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{
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    if (battery == 0) return pmu_read_battery_voltage();
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    return -1;
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}
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int read_battery_current(int battery)
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{
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    if (battery == 0) return pmu_read_battery_current();
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    return -1;
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}
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int read_battery_mwh_design(int battery)
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{
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    if (battery == 0) return 1480;
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    return -1;
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}
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int read_battery_mwh_full(int battery)
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{
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    if (battery == 0) return 1480;
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    return -1;
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}
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int read_battery_mwh_current(int battery)
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{
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    // TODO: Approximate that better
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    if (battery == 0) return (read_battery_voltage(0) - 3600) * 2;
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    return -1;
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}
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int read_battery_mw(int battery)
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{
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    if (battery == 0) return read_battery_current(0) * 3700 / 1000;
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    return -1;
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}
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enum battery_state read_battery_state(int battery)
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{
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    if (battery != 0) return BATTERY_STATE_INVALID;
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    if (charging_state()) return BATTERY_STATE_CHARGING;
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    if (external_power_state()) return BATTERY_STATE_IDLE;
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    return BATTERY_STATE_DISCHARGING;
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}
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int read_input_voltage(int input)
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{
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    return -1;
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}
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int read_input_current(int input)
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{
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    return -1;
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}
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int read_input_mw(int input)
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{
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    return -1;
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}
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enum input_state read_input_state(int input)
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{
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    if (input != 0) return INPUT_STATE_INVALID;
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    if (external_power_state()) return INPUT_STATE_ACTIVE;
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    return INPUT_STATE_NONPRESENT;
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}