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79 lines
2.3 KiB
79 lines
2.3 KiB
// -----------------------------------------------------------------------------
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// SI1145 Sensor over I2C
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// Copyright (C) 2020 by @HilverinkJ (https://github.com/HilverinkJ)
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// Based on https://github.com/xoseperez/espurna/issues/2192#issuecomment-603430308
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// -----------------------------------------------------------------------------
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#if SENSOR_SUPPORT && SI1145_SUPPORT
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#pragma once
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#include <Adafruit_SI1145.h>
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#include "I2CSensor.h"
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class SI1145Sensor : public I2CSensor<> {
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public:
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SI1145Sensor() {
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_count = 1;
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_sensor_id = SENSOR_SI1145_ID;
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_si1145 = new Adafruit_SI1145();
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}
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void begin() {
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static unsigned char addresses[1] = { SI1145_ADDRESS };
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_address = _begin_i2c(_address, sizeof(addresses), addresses);
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if (_address == 0) return;
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if (!_si1145->begin()) {
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_ready = false;
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return;
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}
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// Adafruit library never sets any errors
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_error = SENSOR_ERROR_OK;
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_ready = true;
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}
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// ---------------------------------------------------------------------
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// Sensor API
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// ---------------------------------------------------------------------
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// Descriptive name of the sensor
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String description() {
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char buffer[25];
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snprintf(buffer, sizeof(buffer), "SI1145 @ I2C (0x%02X)", _address);
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return String(buffer);
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}
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// Descriptive name of the slot # index
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String description(unsigned char index) {
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return description();
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};
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// Type for slot # index
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unsigned char type(unsigned char index) {
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if (index == 0) return MAGNITUDE_UVI;
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return MAGNITUDE_NONE;
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}
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// Pre-read hook (usually to populate registers with up-to-date data)
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void pre() {
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_uvi = _si1145->readUV() / 100.0;
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}
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// Current value for slot # index
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double value(unsigned char index) {
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if (index == 0) return _uvi;
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return 0.0;
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}
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protected:
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Adafruit_SI1145 * _si1145 = nullptr;
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double _uvi = 0.0;
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};
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#endif // SENSOR_SUPPORT && SI1145_SUPPORT
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