scd4x #1

Merged
mathieu merged 5 commits from scd4x into master 2023-11-28 23:12:29 +01:00
2 changed files with 84 additions and 0 deletions
Showing only changes of commit 0f8c14e51e - Show all commits

23
WifiControlSensor/SCD4X.h Normal file
View File

@ -0,0 +1,23 @@
#pragma once
#ifdef CONFIG_ENABLE_SCD4X
#include "debug_sketch.h"
int SCD4XGetMeasure(float &t, float &h, uint16_t &co2);
int SCD4XSetup();
bool SCD4XIsConnected();
#else
int SCD4XGetMeasure(float &, float &, uint16_t &)
{
return -1;
};
int SCD4XSetup()
{
SKETCH_DEBUG_PRINTLN("SCD4X is disabled at build time");
return -1;
};
bool SCD4XIsConnected()
{
return false;
};
#endif

View File

@ -0,0 +1,61 @@
#ifdef CONFIG_ENABLE_SCD4X
#include "SCD4X.h"
#include <Arduino.h>
#include <SensirionI2CScd4x.h>
#include <Wire.h>
SensirionI2CScd4x scd4x;
int SCD4XConnected = 0;
int SCD4XSetup()
{
Wire.begin();
scd4x.begin(Wire);
// Stop previous measurement
uint16_t error = scd4x.stopPeriodicMeasurement();
if (error) {
SKETCH_DEBUG_PRINTLN("Cannot connect to SCD4X");
return -1;
}
// Start new measurement
error = scd4x.startPeriodicMeasurement();
if (error) {
SKETCH_DEBUG_PRINTLN("Cannot start measurement for SCD4X");
return -1;
}
SCD4XConnected = 1;
return 0;
}
int SCD4XGetMeasure(float &temperature, float &humidity, uint16_t &co2)
{
// Read Measurement
bool isDataReady = false;
uint16_t error = scd4x.getDataReadyFlag(isDataReady);
if (error) {
SKETCH_DEBUG_PRINTLN("Error trying to execute getDataReadyFlag() for SCD4X ");
return -1;
}
if (!isDataReady) {
return -1;
}
error = scd4x.readMeasurement(co2, temperature, humidity);
if (error || co2 == 0) {
char errorMsg[256];
SKETCH_DEBUG_PRINT("Error with reading measurement. Error : ");
errorToString(error, errorMsg, sizeof(errorMsg));
SKETCH_DEBUG_PRINTLN(" Co2: %d", co2);
return -1;
}
return 0;
}
bool SCD4XIsConnected()
{
return SCD4XConnected != 0;
}
#endif