64 lines
2.0 KiB
C++
64 lines
2.0 KiB
C++
/*
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* Support for the ClimateGuard RadSens Dosimeter
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* A fun and educational sensor for Meshtastic; not for safety critical applications.
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*/
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#include "configuration.h"
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#if !MESHTASTIC_EXCLUDE_ENVIRONMENTAL_SENSOR
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#include "../mesh/generated/meshtastic/telemetry.pb.h"
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#include "CGRadSensSensor.h"
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#include "TelemetrySensor.h"
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#include <Wire.h>
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#include <typeinfo>
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CGRadSensSensor::CGRadSensSensor() : TelemetrySensor(meshtastic_TelemetrySensorType_RADSENS, "RadSens") {}
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bool CGRadSensSensor::initDevice(TwoWire *bus, ScanI2C::FoundDevice *dev) {
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// Initialize the sensor following the same pattern as RCWL9620Sensor
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LOG_INFO("Init sensor: %s", sensorName);
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status = true;
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begin(bus, dev->address.address);
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initI2CSensor();
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return status;
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}
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void CGRadSensSensor::begin(TwoWire *wire, uint8_t addr) {
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// Store the Wire and address to the sensor following the same pattern as RCWL9620Sensor
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_wire = wire;
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_addr = addr;
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_wire->begin();
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}
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float CGRadSensSensor::getStaticRadiation() {
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// Read a register, following the same pattern as the RCWL9620Sensor
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_wire->beginTransmission(_addr); // Transfer data to addr.
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_wire->write(0x06); // Radiation intensity (static period T = 500 sec)
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if (_wire->endTransmission() == 0) {
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if (_wire->requestFrom(_addr, (uint8_t)3)) {
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; // Request 3 bytes
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uint32_t data = _wire->read();
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data <<= 8;
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data |= _wire->read();
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data <<= 8;
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data |= _wire->read();
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// As per the data sheet for the RadSens
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// Register 0x06 contains the reading in 0.1 * μR / h
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float microRadPerHr = float(data) / 10.0;
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return microRadPerHr;
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}
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}
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return -1.0;
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}
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bool CGRadSensSensor::getMetrics(meshtastic_Telemetry *measurement) {
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// Store the meansurement in the the appropriate fields of the protobuf
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measurement->variant.environment_metrics.has_radiation = true;
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LOG_DEBUG("CGRADSENS getMetrics");
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measurement->variant.environment_metrics.radiation = getStaticRadiation();
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return true;
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}
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#endif |