kopia lustrzana https://github.com/pimoroni/pimoroni-pico
129 wiersze
3.7 KiB
C++
129 wiersze
3.7 KiB
C++
#pragma once
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#include "hardware/i2c.h"
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#include "hardware/rtc.h"
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#include "common/pimoroni_common.hpp"
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#include "common/pimoroni_i2c.hpp"
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namespace pimoroni {
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class PCF85063A {
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//--------------------------------------------------
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// Constants
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//--------------------------------------------------
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public:
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static const uint DEFAULT_I2C_ADDRESS = 0x51;
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enum ClockOut : uint8_t {
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CLOCK_OUT_32768HZ = 0,
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CLOCK_OUT_16384HZ = 1,
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CLOCK_OUT_8192HZ = 2,
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CLOCK_OUT_4096HZ = 3,
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CLOCK_OUT_2048HZ = 4,
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CLOCK_OUT_1024HZ = 5,
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CLOCK_OUT_1HZ = 6,
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CLOCK_OUT_OFF = 7
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};
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enum DayOfWeek : int8_t {
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SUNDAY = 0,
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MONDAY = 1,
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TUESDAY = 2,
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WEDNESDAY = 3,
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THURSDAY = 4,
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FRIDAY = 5,
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SATURDAY = 6,
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NONE = -1
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};
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enum TimerTickPeriod : int8_t {
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TIMER_TICK_4096HZ = 0b00 << 3,
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TIMER_TICK_64HZ = 0b01 << 3,
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TIMER_TICK_1HZ = 0b10 << 3,
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TIMER_TICK_1_OVER_60HZ = 0b11 << 3
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};
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//--------------------------------------------------
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// Variables
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//--------------------------------------------------
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private:
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I2C *i2c;
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// interface pins with our standard defaults where appropriate
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uint address = DEFAULT_I2C_ADDRESS;
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uint interrupt = PIN_UNUSED;
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enum Registers : uint8_t {
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CONTROL_1 = 0x00,
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CONTROL_2 = 0x01,
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OFFSET = 0x02,
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RAM_BYTE = 0x03,
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OSCILLATOR_STATUS = 0x04, // flag embedded in seconds register (see below)
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SECONDS = 0x04, // contains oscillator status flag (see above)
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MINUTES = 0x05,
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HOURS = 0x06,
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DAYS = 0x07,
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WEEKDAYS = 0x08,
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MONTHS = 0x09,
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YEARS = 0x0A,
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SECOND_ALARM = 0x0B,
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MINUTE_ALARM = 0x0C,
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HOUR_ALARM = 0x0D,
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DAY_ALARM = 0x0E,
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WEEKDAY_ALARM = 0x0F,
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TIMER_VALUE = 0x10,
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TIMER_MODE = 0x11
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};
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//--------------------------------------------------
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// Constructors/Destructor
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//--------------------------------------------------
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public:
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PCF85063A() {}
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PCF85063A(I2C *i2c, uint interrupt = PIN_UNUSED) :
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i2c(i2c), interrupt(interrupt) {}
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//--------------------------------------------------
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// Methods
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//--------------------------------------------------
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public:
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void init();
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void reset();
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// set and get the date and time
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// uses datetime_t from pico sdk (hardware/rtc) for compatibility
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void set_datetime(datetime_t *t);
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datetime_t get_datetime();
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// alarm manipulation methods
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void enable_alarm_interrupt(bool enable);
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void clear_alarm_flag();
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bool read_alarm_flag();
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void unset_alarm();
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void set_alarm(int second = -1, int minute = -1, int hour = -1, int day = -1);
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void set_weekday_alarm(int second = -1, int minute = -1, int hour = -1,
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DayOfWeek dotw = DayOfWeek::NONE);
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// timer manipulation methods
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void enable_timer_interrupt(bool enable, bool flag_only = false);
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void unset_timer();
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void set_timer(uint8_t ticks,
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TimerTickPeriod ttp = TimerTickPeriod::TIMER_TICK_1HZ);
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bool read_timer_flag();
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void clear_timer_flag();
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// clock output
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void set_clock_output(ClockOut co);
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// i2c instance details access methods
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i2c_inst_t* get_i2c() const;
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int get_address() const;
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int get_sda() const;
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int get_scl() const;
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int get_int() const;
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};
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} |