94 lines
3.3 KiB
C
94 lines
3.3 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2021 Aidan MacDonald
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef __AXP173_H__
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#define __AXP173_H__
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#include <stdbool.h>
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#include <stdint.h>
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#define ADC_ACIN_VOLTAGE 0
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#define ADC_ACIN_CURRENT 1
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#define ADC_VBUS_VOLTAGE 2
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#define ADC_VBUS_CURRENT 3
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#define ADC_INTERNAL_TEMP 4
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#define ADC_TS_INPUT 5
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#define ADC_BATTERY_VOLTAGE 6
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#define ADC_CHARGE_CURRENT 7
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#define ADC_DISCHARGE_CURRENT 8
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#define ADC_APS_VOLTAGE 9
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#define ADC_BATTERY_POWER 10
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#define NUM_ADC_CHANNELS 11
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/* ADC sampling rates */
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#define AXP173_ADC_RATE_25HZ 0
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#define AXP173_ADC_RATE_50HZ 1
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#define AXP173_ADC_RATE_100HZ 2
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#define AXP173_ADC_RATE_200HZ 3
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/* Return values of axp173_battery_status() */
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#define AXP173_BATT_DISCHARGING 0
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#define AXP173_BATT_CHARGING 1
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#define AXP173_BATT_FULL 2
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/* Bits returned by axp173_input_status() */
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#define AXP173_INPUT_AC (1 << 0)
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#define AXP173_INPUT_USB (1 << 1)
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#define AXP173_INPUT_BATTERY (1 << 2)
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#define AXP173_INPUT_EXTERNAL (AXP173_INPUT_AC|AXP173_INPUT_USB)
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/* Must be called from power_init() to initialize the driver state */
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extern void axp173_init(void);
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/* Basic battery and power supply status */
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extern int axp173_battery_status(void);
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extern int axp173_input_status(void);
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/* ADC access -- ADCs which are not enabled will return INT_MIN if read.
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* The output of axp173_adc_read() is normalized to appropriate units:
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*
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* - for voltages, the scale is millivolts
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* - for currents, the scale is milliamps
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* - for temperatures, the scale is tenths of a degree Celsius
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* - for power, the scale is microwatts
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*
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* See the comment in axp173_adc_conv_raw() for raw value precision/scale.
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*/
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extern int axp173_adc_read(int adc);
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extern int axp173_adc_read_raw(int adc);
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extern int axp173_adc_conv_raw(int adc, int value);
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extern int axp173_adc_get_enabled(void);
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extern void axp173_adc_set_enabled(int adc_bits);
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extern int axp173_adc_get_rate(void);
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extern void axp173_adc_set_rate(int rate);
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/* - axp173_cc_read() reads the coulomb counters
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* - axp173_cc_clear() resets both counters to zero
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* - axp173_cc_enable() will stop/start the counters running
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*/
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extern void axp173_cc_read(uint32_t* charge, uint32_t* discharge);
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extern void axp173_cc_clear(void);
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extern void axp173_cc_enable(bool en);
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/* Debug menu */
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extern bool axp173_debug_menu(void);
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#endif /* __AXP173_H__ */
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