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https://github.com/sjlongland/cluster-powerctl.git
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98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
/*
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* vim: set filetype=c tw=72:
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*/
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#ifndef _SETPOINTS_H
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#define _SETPOINTS_H
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/*!
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* Personal Cloud power controller firmware
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* (C) 2016 Stuart Longland
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*!
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* How long between ADC readings? Milliseconds.
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*/
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#define T_ADC_MS (1000)
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/*!
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* How long before we change LED states? Milliseconds.
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*/
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#define T_LED_MS (150)
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/*
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* Temperature ranges and fan PWM settings
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*/
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#define TEMP_MIN (270 << 6) /*!< ~20°C, approx ADC reading */
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#define TEMP_MAX (300 << 6) /*!< ~30°C, approx ADC reading */
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#define FAN_PWM_MIN (88) /*!< Minimum PWM value */
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#define FAN_PWM_MAX (255) /*!< Maximum PWM value */
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/*! Fan kick-start timeout, milliseconds */
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#define T_FAN_MS (15000)
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/*
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* ADC Voltage divider settings
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*/
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#define VDIV_R1 (1500ULL) /*!< R1 = 1.5kOhm */
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#define VDIV_R2 (100ULL) /*!< R2 = 100 Ohm */
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/*
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* ADC settings
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*/
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#define ADC_REF (1100ULL) /*!< AREF = 1.1mV */
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#define ADC_MAX (65535ULL) /*!< ADLAR = 1 */
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/* --- Thresholds --- */
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/*!
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* Critically high battery voltage. Exceeding this voltage could damage
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* the battery or the equipment downstream of it.
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*/
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#define V_CH_MV (11800)
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/*!
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* High battery voltage. If we reach this voltage and the charger
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* stops, just switch to discharge mode, consider the job done.
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*/
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#define V_H_MV (15500)
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/*!
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* Low battery voltage. If the voltage dips to or below this level, we
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* should turn the charger on.
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*/
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#define V_L_MV (12000)
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/*!
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* Critically low battery voltage. If we reach this level, we need to
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* urgently turn the charger on and need to be ready to switch sources
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* in a hurry if the chosen source isn't charging.
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*/
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#define V_CL_MV (11800)
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/* --- Timeouts --- */
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/*!
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* High frequency polling period in milliseconds.
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*/
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#define T_HF_MS (15000)
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/*!
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* Low frequency polling period in milliseconds.
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*/
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#define T_LF_MS (5000)
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#endif
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