Merge pull request #24 from yamamaya/yamamaya-patch-1

Add 3ms delay before read sequence

Author: PaulZC

src/SparkFun_SCD30_Arduino_Library.cpp

@@ -266,6 +266,8 @@ bool SCD30::readMeasurement()
   if (_i2cPort->endTransmission() != 0)
     return (0); //Sensor did not ACK
 
+  delay(3);
+
   const uint8_t receivedBytes = _i2cPort->requestFrom((uint8_t)SCD30_ADDRESS, (uint8_t)18);
   bool error = false;
   if (_i2cPort->available())
@@ -358,6 +360,8 @@ bool SCD30::getSettingValue(uint16_t registerAddress, uint16_t *val)
   if (_i2cPort->endTransmission() != 0)
     return (false); //Sensor did not ACK
 
+  delay(3);
+
   _i2cPort->requestFrom((uint8_t)SCD30_ADDRESS, (uint8_t)3); // Request data and CRC
   if (_i2cPort->available())
   {
@@ -389,6 +393,8 @@ uint16_t SCD30::readRegister(uint16_t registerAddress)
   if (_i2cPort->endTransmission() != 0)
     return (0); //Sensor did not ACK
 
+  delay(3);
+
   _i2cPort->requestFrom((uint8_t)SCD30_ADDRESS, (uint8_t)2);
   if (_i2cPort->available())
   {