Initial commit of Arduino libraries

SparkFun_VEML7700_Arduino_Library/examples/Example4_shutDown/Example4_shutDown.ino

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+/*!
+ * @file Example4_shutDown.ino
+ *
+ * This example was written by:
+ * Paul Clark
+ * SparkFun Electronics
+ * November 4th 2021
+ * 
+ * This example demonstrates how to shut down the VEML7700.
+ * 
+ * Want to support open source hardware? Buy a board from SparkFun!
+ * <br>SparkX smôl Environmental Peripheral Board (SPX-18976): https://www.sparkfun.com/products/18976
+ * 
+ * Please see LICENSE.md for the license information
+ * 
+ */
+
+#include <SparkFun_VEML7700_Arduino_Library.h> // Click here to get the library: http://librarymanager/All#SparkFun_VEML7700
+
+VEML7700 mySensor; // Create a VEML7700 object
+
+unsigned long lastMillis = 0; // Keep track of time
+
+VEML7700_shutdown_t shutdownState = VEML7700_POWER_ON; // Toggle between VEML7700_POWER_ON and VEML7700_SHUT_DOWN
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println(F("SparkFun VEML7700 Example"));
+
+  Wire.begin();
+
+  //mySensor.enableDebugging(); // Uncomment this line to enable helpful debug messages on Serial
+
+  // Begin the VEML7700 using the Wire I2C port
+  // .begin will return true on success, or false on failure to communicate
+  if (mySensor.begin() == false)
+  {
+    Serial.println("Unable to communicate with the VEML7700. Please check the wiring. Freezing...");
+    while (1)
+      ;
+  }
+
+  lastMillis = millis(); // Keep track of time
+}
+
+void loop()
+{
+  if (shutdownState == VEML7700_POWER_ON) // Are we "On"? (Comment this line if you are interested in how it effects the sleep current)
+  {
+    Serial.print(F("Lux: "));
+    Serial.println(mySensor.getLux(), 4); // Read the lux from the sensor and print it
+  }
+
+  //Check if it is time to change the power state
+  if (millis() > (lastMillis + 5000)) // Change state every 5 seconds
+  {
+    lastMillis = millis(); // Keep track of time
+
+    if (shutdownState == VEML7700_POWER_ON) // Are we "On"?
+    {
+      shutdownState = VEML7700_SHUT_DOWN; // Put sensor to sleep
+      mySensor.setShutdown(shutdownState);
+      
+      //mySensor.shutDown(); // This would do the same thing
+    }
+    else
+    {
+      shutdownState = VEML7700_POWER_ON; // Power sensor on
+      mySensor.setShutdown(shutdownState);
+      
+      //mySensor.powerOn(); // This would do the same thing
+    }
+  }
+
+  delay(125);
+}