use "arduino-sht" library for sht3x and sht4x

src/sht/sht.cpp

@@ -0,0 +1,149 @@
+#include "sht.h"
+
+#include "../library/arduino-sht/SHTSensor.h"
+
+/** Cast _sensor to SHTSensor */
+#define shtSensor() ((SHTSensor *)(this->_sensor))
+
+/**
+ * @brief Check that is sensor initialized
+ *
+ * @return true Initialized
+ * @return false Not-initialized
+ */
+bool Sht::isBegin(void) {
+  if (this->_isBegin) {
+    return true;
+  }
+  AgLog("Sensor not-initialized");
+  return false;
+}
+
+/**
+ * @brief Check board is support I2C to work with this sensor
+ *
+ * @return true Supported
+ * @return false Not supported
+ */
+bool Sht::boardSupported(void) {
+  if (this->_bsp == NULL) {
+    this->_bsp = getBoardDef(this->_boardType);
+  }
+
+  if ((this->_bsp == NULL) || (this->_bsp->I2C.supported == false)) {
+    AgLog("Board not supported");
+    return false;
+  }
+  return true;
+}
+
+/**
+ * @brief Construct a new Sht:: Sht object
+ *
+ * @param type
+ */
+Sht::Sht(BoardType type) : _boardType(type) {}
+
+/**
+ * @brief Destroy the Sht:: Sht object
+ *
+ */
+Sht::~Sht() {}
+
+#if defined(ESP8266)
+/**
+ * @brief Init sensor, Ifthis funciton not call the other funtion call will
+ * always return false or value invalid
+ *
+ * @param wire wire TwoWire instance, Must be initialized
+ * @param debugStream Point to debug Serial to print debug log
+ * @return true Sucecss
+ * @return false Failure
+ */
+bool Sht::begin(TwoWire &wire, Stream &debugStream) {
+  _debugStream = &debugStream;
+  return begin(wire);
+}
+#else
+#endif
+/**
+ * @brief Initialize sensor, should be init sensor before use other API, if not
+ * return result always failed
+ *
+ * @param wire TwoWire instance, Must be initialized
+ * @return true Success
+ * @return false Failure
+ */
+bool Sht::begin(TwoWire &wire) {
+  if (_isBegin) {
+    AgLog("Initialized, call end() then try again");
+    return true;
+  }
+
+  if (boardSupported() == false) {
+    return false;
+  }
+
+  /** Create new sensor */
+  _sensor = new SHTSensor();
+  if (_sensor == nullptr) {
+    AgLog("Create SHTSensor failed");
+    return false;
+  }
+
+  /** Initialize sensor */
+  if (shtSensor()->init(wire) == false) {
+    AgLog("Initialize SHTSensor failed");
+    return false;
+  }
+
+  // Only supported by SHT3x
+  if (shtSensor()->setAccuracy(SHTSensor::SHT_ACCURACY_MEDIUM) == false) {
+    AgLog("Configure sensor failed");
+    return false;
+  }
+
+  AgLog("Initialize");
+  _isBegin = true;
+  return true;
+}
+
+/**
+ * @brief De-initialize sht sensor
+ *
+ */
+void Sht::end(void) {
+  if (_isBegin == false) {
+    return;
+  }
+  delete shtSensor();
+  _isBegin = false;
+#if defined(ESP8266)
+  _debugStream = nullptr;
+#else
+#endif
+  _isBegin = false;
+  AgLog("De-Initialize");
+}
+
+/**
+ * @brief Get temprature degree celcius
+ *
+ * @return float
+ */
+float Sht::getTemperature(void) { return shtSensor()->getTemperature(); }
+
+/**
+ * @brief Get humidity
+ *
+ * @return float
+ */
+float Sht::getRelativeHumidity(void) { return shtSensor()->getHumidity(); }
+
+/**
+ * @brief Measure temperature and humidity
+ *
+ * @return true Success
+ * @return false Failure
+ */
+bool Sht::measure(void) { return shtSensor()->readSample(); }