kopia lustrzana https://github.com/pimoroni/pimoroni-pico
140 wiersze
3.7 KiB
C++
140 wiersze
3.7 KiB
C++
#pragma once
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#include <string>
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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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#include "as7343_regs.hpp"
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namespace pimoroni {
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class AS7343 {
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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 = 0x39;
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//--------------------------------------------------
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// Enums
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//--------------------------------------------------
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public:
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enum class channel_count : uint8_t {
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SIX_CHANNEL = 6,
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TWELVE_CHANNEL = 12,
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EIGHTEEN_CHANNEL = 18
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};
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/*
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enum class COMPENSATION_GAIN : float {
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F1 = 1.84f,
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F2 = 6.03f,
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FZ = 4.88f,
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F3 = 13.74f,
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F4 = 3.37f,
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FY = 2.82f,
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F5 = 6.72f,
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FXL = 2.22f,
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F6 = 3.17f,
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F7 = 1.95f,
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F8 = 12.25f,
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NIR = 1.00f,
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};
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*/
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//--------------------------------------------------
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// Substructures
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//--------------------------------------------------
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public:
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struct reading {
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// Cycle 1
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uint16_t FZ = 0; // 428-480 nm
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uint16_t FY = 0; // 534-593 nm
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uint16_t FXL = 0; // 593-628 nm
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uint16_t NIR = 0; // 849-903 nm
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uint16_t c1_vis_tl = 0; // Visible top-left
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uint16_t c1_vis_br = 0; // Visible bottom-right
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uint16_t c1_astatus = 0; // (c1_astatus >> 8) & 0b10001111
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// 0b10000000 = saturated
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// 0b00001111 = gain lowest nibble
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// Cycle 2
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uint16_t F2 = 0; // 408-448 nm
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uint16_t F3 = 0; // 448-500 mn
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uint16_t F4 = 0; // 500-534 nm
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uint16_t F6 = 0; // 618-665 nm
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uint16_t c2_vis_tl = 0;
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uint16_t c2_vis_br = 0;
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uint16_t c2_astatus = 0;
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// Cycle 3
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uint16_t F1 = 0; // 396-408 nm
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uint16_t F5 = 0; // 531-594 nm
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uint16_t F7 = 0; // 685-715 nm
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uint16_t F8 = 0; // 715-766 nm
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uint16_t c3_vis_tl = 0;
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uint16_t c3_vis_br = 0;
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uint16_t c3_astatus = 0;
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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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int8_t address = DEFAULT_I2C_ADDRESS;
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uint interrupt = PIN_UNUSED;
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uint8_t read_cycles = 1;
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uint8_t ch_count = (uint8_t)channel_count::SIX_CHANNEL;
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//--------------------------------------------------
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// Constructors/Destructor
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//--------------------------------------------------
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public:
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AS7343(uint interrupt = PIN_UNUSED) : AS7343(new I2C(), interrupt) {};
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AS7343(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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// For print access in micropython
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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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void get_version(uint8_t &auxid, uint8_t &revid, uint8_t &hwid);
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reading read();
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void read_fifo(uint16_t *buf);
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void set_gain(float gain);
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void set_illumination_current(float current);
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void set_illumination_led(bool state);
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void set_measurement_time(float measurement_time_ms);
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void set_integration_time(float integration_time_us, uint8_t repeat=1);
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void set_channels(channel_count channel_count);
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private:
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void bank_select(uint8_t bank=0);
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};
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}
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