36 lines
682 B
C
36 lines
682 B
C
#ifndef POWER_H
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#define POWER_H
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#include <stdint.h>
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#include <stdbool.h>
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typedef enum {
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FULL_CHARGED,
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CHARGING,
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DISCHARGING,
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LOW_VOLTAGE,
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UNKNOWN,
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} battery_status_t;
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typedef enum {
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LED_CHARGER = 0,
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LED_ON,
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LED_OFF,
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LED_TOGGLE,
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} battery_led_t;
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/* Battery API */
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void battery_init(void);
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void battery_led(battery_led_t val);
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bool battery_charging(void);
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uint16_t battery_voltage(void);
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battery_status_t battery_status(void);
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#define BATTERY_VOLTAGE_LOW_LIMIT 3500
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#define BATTERY_VOLTAGE_LOW_RECOVERY 3700
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// ADC offset:16, resolution:5mV
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#define BATTERY_ADC_OFFSET 16
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#define BATTERY_ADC_RESOLUTION 5
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#endif
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