Adjusted files for correct write operation

write16BitRegisterRegion() has been adjusted to write bits to the register in the correct endianness

Author: MadisonC-SparkFun

src/sfeTk/sfeTkIBus.h

@@ -101,7 +101,7 @@ class sfeTkIBus
         @retval sfeTkError_t kSTkErrOk on successful execution
 
     */
-    virtual sfeTkError_t write16BitRegisterRegion(uint16_t devReg, const uint8_t *data, size_t length) = 0;
+    virtual sfeTkError_t write16BitRegisterRegion(uint16_t devReg, uint8_t *data, size_t length) = 0;
 
 
     /*--------------------------------------------------------------------------

src/sfeTkArdI2C.cpp

@@ -162,20 +162,21 @@ sfeTkError_t sfeTkArdI2C::writeRegisterRegion(uint8_t devReg, const uint8_t *dat
 //
 // Returns the number of bytes written, < 0 is an error
 //
-sfeTkError_t sfeTkArdI2C::write16BitRegisterRegion(uint16_t devReg, const uint8_t *data, size_t length)
+sfeTkError_t sfeTkArdI2C::write16BitRegisterRegion(uint16_t devReg, uint8_t *data, size_t length)
 {
     if (!_i2cPort)
         return kSTkErrBusNotInit;
-
     _i2cPort->beginTransmission(address());
     _i2cPort->write((devReg >> 8) & 0xff);
     _i2cPort->write(devReg & 0xff);
-    _i2cPort->write(data, (int)length);
+    for(int i = 0; i < length; i++)
+    {
+        _i2cPort->write(data[i]);
+    }
 
     return _i2cPort->endTransmission() ? kSTkErrFail : kSTkErrOk;
 }
 
-
 //---------------------------------------------------------------------------------
 // readRegisterByte()
 //

src/sfeTkArdI2C.h

@@ -147,7 +147,7 @@ class sfeTkArdI2C : public sfeTkII2C
         @retval sfeTkError_t kSTkErrOk on successful execution
 
     */
-    sfeTkError_t write16BitRegisterRegion(uint16_t devReg, const uint8_t *data, size_t length);
+    sfeTkError_t write16BitRegisterRegion(uint16_t devReg, uint8_t *data, size_t length);
 
 
     /*--------------------------------------------------------------------------