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MCP9808 sensor implementation (#1188)

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* MCP9808 Sensor Implementation Initial Test
This commit is contained in:
Ric Letson
2022-02-08 10:03:34 -07:00
committed by GitHub
parent e649bc84e1
commit 856f2f9589
4 changed files with 53 additions and 0 deletions
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src/plugins/EnvironmentalMeasurement/Sensor/MCP9808Sensor.cpp Normal file
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#include "../mesh/generated/environmental_measurement.pb.h"
#include "configuration.h"
#include "EnvironmentalMeasurementSensor.h"
#include "MCP9808Sensor.h"
#include <Adafruit_MCP9808.h>
MCP9808Sensor::MCP9808Sensor() : EnvironmentalMeasurementSensor {} {
}
int32_t MCP9808Sensor::runOnce() {
unsigned mcp9808Status;
// Default i2c address for MCP9808
mcp9808Status = mcp9808.begin(0x18);
if (!mcp9808Status) {
DEBUG_MSG("Could not find a valid MCP9808 sensor, check wiring, address, sensor ID!");
} else {
DEBUG_MSG("EnvironmentalMeasurement: Opened MCP9808 on default i2c bus");
// Reduce resolution from 0.0625 degrees (precision) to 0.125 degrees (high).
mcp9808.setResolution(2);
}
return (MCP_SENSOR_MINIMUM_WAIT_TIME_BETWEEN_READS);
}
bool MCP9808Sensor::getMeasurement(EnvironmentalMeasurement *measurement) {
measurement->temperature = mcp9808.readTempC();
return true;
}