kopia lustrzana https://github.com/pimoroni/pimoroni-pico
98 wiersze
3.3 KiB
C++
98 wiersze
3.3 KiB
C++
#pragma once
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#include "drivers/ioexpander/ioexpander.hpp"
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namespace pimoroni {
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class BreakoutMICS6814 {
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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 = 0x19;
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static constexpr float DEFAULT_BRIGHTNESS = 1.0f; //Effectively the maximum fraction of the period that the LED will be on
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static const uint32_t DEFAULT_TIMEOUT = 1;
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static const uint32_t DEFAULT_ADC_TIMEOUT = 1;
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private:
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static const uint8_t LED_R = 3;
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static const uint8_t LED_G = 7;
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static const uint8_t LED_B = 2;
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static const uint8_t MICS_VREF = 14;
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static const uint8_t MICS_RED = 12;
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static const uint8_t MICS_NH3 = 11;
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static const uint8_t MICS_OX = 13;
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static const uint8_t MICS_HEATER_EN = 1;
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static const bool INVERT_OUTPUT = true; //true for common cathode, false for common anode
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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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float ref;
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float reducing;
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float nh3;
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float oxidising;
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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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IOExpander ioe;
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float brightness = DEFAULT_BRIGHTNESS;
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//--------------------------------------------------
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// Constructors/Destructor
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//--------------------------------------------------
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public:
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BreakoutMICS6814(uint8_t address = DEFAULT_I2C_ADDRESS) : BreakoutMICS6814(new I2C(), address) {};
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BreakoutMICS6814(I2C *i2c, uint8_t address = DEFAULT_I2C_ADDRESS, uint interrupt = PIN_UNUSED, uint32_t timeout = DEFAULT_TIMEOUT, bool debug = false) :
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ioe(i2c, address, interrupt, timeout, debug) {}
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//--------------------------------------------------
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// Methods
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//--------------------------------------------------
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public:
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bool init(bool skip_chip_id_check = false);
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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_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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// Calls through to IOExpander class
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void set_address(uint8_t address);
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float get_adc_vref();
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void set_adc_vref(float vref);
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// MICS breakout specific
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void set_brightness(float brightness);
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void set_led(uint8_t r, uint8_t g, uint8_t b);
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void set_heater(bool on);
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void disable_heater();
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float get_raw_ref(uint32_t adc_timeout = DEFAULT_ADC_TIMEOUT);
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float get_raw_red(uint32_t adc_timeout = DEFAULT_ADC_TIMEOUT);
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float get_raw_nh3(uint32_t adc_timeout = DEFAULT_ADC_TIMEOUT);
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float get_raw_oxd(uint32_t adc_timeout = DEFAULT_ADC_TIMEOUT);
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Reading read_all(uint32_t adc_timeout = DEFAULT_ADC_TIMEOUT);
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float read_ref(uint32_t adc_timeout = DEFAULT_ADC_TIMEOUT);
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float read_reducing(uint32_t adc_timeout = DEFAULT_ADC_TIMEOUT);
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float read_nh3(uint32_t adc_timeout = DEFAULT_ADC_TIMEOUT);
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float read_oxidising(uint32_t adc_timeout = DEFAULT_ADC_TIMEOUT);
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};
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} |