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Introduce HiFi E.T MA9 port.

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Change-Id: I79aadc958fd5222f26f91ed127f8c6fb2c465dc2
This commit is contained in:
Andrew Ryabinin 2013-04-15 09:51:22 +04:00
parent 3fd25dcbed
commit fa4e1baa83
25 changed files with 1441 additions and 5 deletions
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61
firmware/target/arm/rk27xx/ma/powermgmt-ma.c Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright © 2013 Andrew Ryabinin
*
* 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"
/**
* Battery voltage calculation and discharge/charge curves for the HiFi E.T MA9.
*/
const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
{
/* TODO: this is just an initial guess */
6700
};
const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
{
6600
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
{
/* Uncalibrated curve */
{ 6600, 6936, 7042, 7124, 7218, 7288, 7382, 7534, 7674, 7838, 8200 }
};
/* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
const unsigned short percent_to_volt_charge[11] =
/* TODO: simple copy of discharge curve */
{ 6600, 6936, 7042, 7124, 7218, 7288, 7382, 7534, 7674, 7838, 8200 };
/* full-scale ADC readout (2^10) in millivolt */
#define BATTERY_SCALE_FACTOR 9170
/* Returns battery voltage from ADC [millivolts] */
int _battery_voltage(void)
{
return (adc_read(ADC_BATTERY) * BATTERY_SCALE_FACTOR) >> 10;
}