33 lines
720 B
C
33 lines
720 B
C
#ifndef _POWER_H
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#define _POWER_H
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#include <Arduino.h>
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#include <driver/adc.h>
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#include <esp_adc_cal.h>
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#include "i2c.h"
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#include "reset.h"
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#define DEFAULT_VREF 1100 // tbd: use adc2_vref_to_gpio() for better estimate
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#define NO_OF_SAMPLES 64 // we do some multisampling to get better values
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#ifndef BAT_MAX_VOLTAGE
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#define BAT_MAX_VOLTAGE 4100 // millivolts
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#endif
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uint16_t read_voltage(void);
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void calibrate_voltage(void);
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bool batt_sufficient(void);
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#ifdef HAS_PMU
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#include <axp20x.h>
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enum pmu_power_t { pmu_power_on, pmu_power_off, pmu_power_sleep };
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void AXP192_powerevent_IRQ(void);
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void AXP192_power(pmu_power_t powerlevel);
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void AXP192_init(void);
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void AXP192_showstatus(void);
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#endif // HAS_PMU
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#endif |