Adds new virtual functions to highest order bus class

* Updates descriptions to indicate that these functions to not index to a given register.

Author: edspark

src/sfeTk/sfeTkIBus.h

@@ -87,14 +87,32 @@ class sfeTkIBus
 {
   public:
     /**--------------------------------------------------------------------------
-     *  @brief Write a single byte to the device*
+     *  @brief Send a single byte to the device*
      *  @param data Data to write.
      *
      *  @retval sfeTkError_t -  kSTkErrOk on successful execution.
      *
      */
     virtual sfeTkError_t writeByte(uint8_t data) = 0;
 
+    /**--------------------------------------------------------------------------
+     *  @brief Send a word to the device. 
+     *  @param data Data to write.
+     *
+     *  @retval sfeTkError_t -  kSTkErrOk on successful execution.
+     *
+     */
+    virtual sfeTkError_t writeWord(uint16_t data) = 0;
+
+    /**--------------------------------------------------------------------------
+     *  @brief Send an array of data to the device.
+     *  @param data Data to write.
+     *
+     *  @retval sfeTkError_t -  kSTkErrOk on successful execution.
+     *
+     */
+    virtual sfeTkError_t writeBlock(const uint8_t *data, size_t length) = 0;
+
     /**--------------------------------------------------------------------------
      *  @brief Write a single byte to the given register
      *

src/sfeTkArdI2C.cpp

@@ -125,7 +125,7 @@ sfeTkError_t sfeTkArdI2C::writeWord(uint16_t dataToWrite)
 //
 // Returns true on success, false on failure
 //
-sfeTkError_t sfeTkArdI2C::writeBlock(const uint8_t *dataToWrite, size_t length)
+sfeTkError_t sfeTkArdI2C::writeBlock(const uint8_t *data, size_t length)
 {
     int nData = 0; 
     if (!_i2cPort)

src/sfeTkArdI2C.h

@@ -136,7 +136,7 @@ class sfeTkArdI2C : public sfeTkII2C
 
         @retval returns  kStkErrOk on success
     */
-    sfeTkError_t writeBlock(const uint8_t *data);
+    sfeTkError_t writeBlock(const uint8_t *data, size_t length);
 
     /**
         @brief Write a single byte to the given register