fix & add SHT30_OLED_test/SHT30_OLED_test.ino

Author: wemos

examples/SHT30_OLED_test/SHT30_OLED_test.ino

@@ -0,0 +1,44 @@
+#include <Wire.h>
+#include <Adafruit_GFX.h>
+#include <Adafruit_SSD1306.h>
+#include <WEMOS_SHT3X.h>
+
+#define OLED_RESET 0  // GPIO0
+Adafruit_SSD1306 display(OLED_RESET);
+
+SHT3X sht30(0x45);
+
+void setup() {
+
+  Serial.begin(115200);
+
+  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
+
+}
+
+void loop() {
+  
+  // Clear the buffer.
+  display.clearDisplay();
+  display.setTextSize(1);
+  display.setCursor(0, 0);
+  display.setTextColor(WHITE);
+
+  if(sht30.get()==0){
+    display.println("T: ");
+    display.setTextSize(2);
+    display.println(sht30.cTemp);
+
+    display.setTextSize(1);
+    display.println("H: ");
+    display.setTextSize(2);
+    display.println(sht30.humidity);
+  }
+  else
+  {
+    display.println("Error!");
+  }
+  display.display();
+  delay(1000);
+
+}

examples/SHT30_Shield/SHT30_Shield.ino

@@ -10,14 +10,19 @@ void setup() {
 
 void loop() {
 
-  sht30.get();
-  Serial.print("Temperature in Celsius : ");
-  Serial.println(sht30.cTemp);
-  Serial.print("Temperature in Fahrenheit : ");
-  Serial.println(sht30.fTemp);
-  Serial.print("Relative Humidity : ");
-  Serial.println(sht30.humidity);
-  Serial.println();
+  if(sht30.get()==0){
+    Serial.print("Temperature in Celsius : ");
+    Serial.println(sht30.cTemp);
+    Serial.print("Temperature in Fahrenheit : ");
+    Serial.println(sht30.fTemp);
+    Serial.print("Relative Humidity : ");
+    Serial.println(sht30.humidity);
+    Serial.println();
+  }
+  else
+  {
+    Serial.println("Error!");
+  }
   delay(1000);
 
 }

keywords.txt

@@ -1,5 +1,5 @@
 #######################################
-# Syntax Coloring Map For Motor
+# Syntax Coloring Map For SHT3X
 #######################################
 
 #######################################

src/WEMOS_SHT3X.cpp

@@ -11,7 +11,7 @@ SHT3X::SHT3X(uint8_t address)
 
 
 
-void SHT3X::get()
+byte SHT3X::get()
 {
 	unsigned int data[6];
 
@@ -21,26 +21,29 @@ void SHT3X::get()
 	Wire.write(0x2C);
 	Wire.write(0x06);
 	// Stop I2C transmission
-	Wire.endTransmission();
+	if (Wire.endTransmission()!=0) 
+		return 1;  
+
 	delay(500);
 
 	// Request 6 bytes of data
 	Wire.requestFrom(_address, 6);
 
 	// Read 6 bytes of data
 	// cTemp msb, cTemp lsb, cTemp crc, humidity msb, humidity lsb, humidity crc
-	if (Wire.available() == 6)
-	{
-	data[0] = Wire.read();
-	data[1] = Wire.read();
-	data[2] = Wire.read();
-	data[3] = Wire.read();
-	data[4] = Wire.read();
-	data[5] = Wire.read();
-	}
+	for (int i=0;i<6;i++) {
+		data[i]=Wire.read();
+	};
+	
+	delay(50);
+	
+	if (Wire.available()!=0) 
+		return 2;
 
 	// Convert the data
 	cTemp = ((((data[0] * 256.0) + data[1]) * 175) / 65535.0) - 45;
 	fTemp = (cTemp * 1.8) + 32;
 	humidity = ((((data[3] * 256.0) + data[4]) * 100) / 65535.0);
+
+	return 0;
 }

src/WEMOS_SHT3X.h

@@ -13,8 +13,8 @@
 
 class SHT3X{
 public:
-	SHT3X(uint8_t address);
-	void get(void);
+	SHT3X(uint8_t address=0x45);
+	byte get(void);
 	float cTemp=0;
 	float fTemp=0;
 	float humidity=0;