75 lines
2.3 KiB
Arduino
75 lines
2.3 KiB
Arduino
#include "User_config.h"
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#ifdef ZsensorSHTC3
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# include <SparkFun_SHTC3.h>
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SHTC3 mySHTC3;
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//Time used to wait for an interval before resending temp and hum
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unsigned long timedht = 0;
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void errorDecoder(SHTC3_Status_TypeDef message);
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void errorDecoder(SHTC3_Status_TypeDef message) // The errorDecoder function prints "SHTC3_Status_TypeDef" resultsin a human-friendly way
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{
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switch (message) {
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case SHTC3_Status_Nominal:
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Log.notice("Nominal");
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break;
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case SHTC3_Status_Error:
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Log.error("Error");
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break;
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case SHTC3_Status_CRC_Fail:
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Log.error("CRC Fail");
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break;
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default:
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Log.error("Unknown return code");
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break;
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}
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}
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void setupSHTC3() {
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Wire.begin();
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errorDecoder(mySHTC3.begin()); // To start the sensor you must call "begin()", the default settings use Wire (default Arduino I2C port)
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}
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void MeasureTempAndHum() {
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if (millis() > (timedht + TimeBetweenReadingSHTC3)) { //retrieving value of temperature and humidity of the box from SHTC3 every xUL
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timedht = millis();
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static float persistedh;
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static float persistedt;
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SHTC3_Status_TypeDef result = mySHTC3.update();
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if (mySHTC3.lastStatus == SHTC3_Status_Nominal) {
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// Read temperature as Celsius (the default)
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float t = mySHTC3.toDegC();
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float h = mySHTC3.toPercent();
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// Check if any reads failed and exit early (to try again).
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if (isnan(h) || isnan(t)) {
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Log.error(F("Failed to read from SHTC3 sensor!" CR));
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} else {
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Log.trace(F("Creating SHTC3 buffer" CR));
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StaticJsonBuffer<JSON_MSG_BUFFER> jsonBuffer;
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JsonObject& SHTC3data = jsonBuffer.createObject();
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if (h != persistedh || shtc3_always) {
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SHTC3data.set("hum", (float)h);
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} else {
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Log.trace(F("Same hum don't send it" CR));
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}
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if (t != persistedt || shtc3_always) {
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SHTC3data.set("tempc", (float)t);
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SHTC3data.set("tempf", mySHTC3.toDegF());
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} else {
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Log.trace(F("Same temp don't send it" CR));
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}
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if (SHTC3data.size() > 0)
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pub(SHTC3TOPIC, SHTC3data);
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}
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persistedh = h;
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persistedt = t;
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} else {
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errorDecoder(mySHTC3.lastStatus);
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Log.error(F("Failed to read from SHTC3 sensor!" CR));
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}
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}
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}
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#endif
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