kopia lustrzana https://github.com/pimoroni/pimoroni-pico
150 wiersze
4.2 KiB
C++
150 wiersze
4.2 KiB
C++
#pragma once
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#include "hardware/i2c.h"
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#include "hardware/gpio.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 MSA301 {
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//--------------------------------------------------
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// Constants
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//--------------------------------------------------
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public:
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static const uint8_t DEFAULT_I2C_ADDRESS = 0x26;
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static const uint8_t SOFT_RESET = 0x00;
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static const uint8_t PART_ID = 0x01;
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static const uint8_t MOTION_INTERRUPT = 0x09;
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static const uint8_t DATA_INTERRUPT = 0x0a;
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static const uint8_t ORIENTATION_STATUS = 0x0c;
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static const uint8_t RESOLUTION_RANGE = 0x0f;
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static const uint8_t POWER_MODE_BANDWIDTH = 0x11;
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static const uint8_t SET_AXIS_POLARITY = 0x12;
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static const uint8_t INTERRUPT_ENABLE_0 = 0x16;
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static const uint8_t INTERRUPT_ENABLE_1 = 0x17;
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static const uint8_t INTERRUPT_LATCH_PERIOD = 0x21;
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static const uint8_t FREEFALL_DURATION = 0x22;
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//--------------------------------------------------
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// Enums
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//--------------------------------------------------
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public:
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enum Axis {
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X = 0x02,
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Y = 0x04,
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Z = 0x06
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};
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enum Orientation {
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PORTRAIT = 0b00,
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PORTRAIT_INVERTED = 0b01,
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LANDSCAPE = 0b10,
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LANDSCAPE_INVERTED = 0b11
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};
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enum PowerMode {
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NORMAL = 0b00,
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LOW = 0b01,
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SUSPEND = 0b10
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};
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enum Range {
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G_2 = 0b00,
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G_4 = 0b01,
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G_8 = 0b10,
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G_16 = 0b11
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};
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enum Resolution {
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BITS_14 = 0b0000,
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BITS_12 = 0b0100,
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BITS_10 = 0b1000,
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BITS_8 = 0b1100
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};
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enum AxisPolarity {
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INVERT_X = 0b1000,
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INVERT_Y = 0b0100,
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INVERT_Z = 0b0010,
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XY_SWAP = 0b0001
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};
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enum Interrupt {
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NONE = 0,
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ACTIVE = 0b0000111,
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NEW_DATA = 0b1000000000000,
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FREEFALL = 0b0100000000000,
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ORIENTATION = 0b1000000,
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SINGLE_TAP = 0b0100000,
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DOUBLE_TAP = 0b0010000,
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Z_ACTIVE = 0b0000100,
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Y_ACTIVE = 0b0000010,
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X_ACTIVE = 0b0000001
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};
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enum InterruptLatchPeriod {
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LATCH_1MS = 0b1001,
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LATCH_2MS = 0b1011,
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LATCH_25MS = 0b1100,
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LATCH_50MS = 0b1101,
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LATCH_100MS = 0b1110,
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LATCH_250MS = 0b0001,
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LATCH_500MS = 0b0010,
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LATCH_1S = 0b0011,
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LATCH_2S = 0b0100,
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LATCH_4S = 0b0101,
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LATCH_8S = 0b0110
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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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const uint8_t address = DEFAULT_I2C_ADDRESS;
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uint interrupt = PIN_UNUSED;
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//--------------------------------------------------
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// Constructors/Destructor
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//--------------------------------------------------
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public:
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MSA301() : MSA301(new I2C()) {};
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MSA301(I2C *i2c, uint interrupt = PIN_UNUSED) : 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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bool init();
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void reset();
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i2c_inst_t* get_i2c() 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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uint8_t part_id();
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float get_axis(Axis axis, uint8_t sample_count = 1);
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float get_x_axis(uint8_t sample_count = 1);
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float get_y_axis(uint8_t sample_count = 1);
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float get_z_axis(uint8_t sample_count = 1);
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Orientation get_orientation();
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void set_power_mode(MSA301::PowerMode power_mode);
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void set_range_and_resolution(Range range, MSA301::Resolution resolution);
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void set_axis_polarity(uint8_t polarity);
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void disable_all_interrupts();
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void enable_interrupts(uint16_t interrupts);
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void set_interrupt_latch(InterruptLatchPeriod latch_period, bool reset_latched);
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bool read_interrupt(Interrupt interrupt);
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};
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}
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