bus type method

Author: gigapod

src/sfeTk/sfeTkIBus.h

@@ -230,6 +230,11 @@ class sfeTkIBus
      *
      */
     virtual sfeTkError_t readRegister16Region16(uint16_t reg, uint16_t *data, size_t numBytes, size_t &readBytes) = 0;
+
+    virtual uint8_t type(void)
+    {
+        return 0;
+    }
 };
 
 //};

src/sfeTk/sfeTkII2C.h

@@ -34,6 +34,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  * The I2C bus interface extends the IBus interface and adds the ability to set and get the I2C
  * address and stop flag.
  */
+const uint8_t kBusTypeI2C = 0x01;
+
 class sfeTkII2C : public sfeTkIBus
 {
   public:
@@ -109,6 +111,11 @@ class sfeTkII2C : public sfeTkIBus
      */
     static constexpr uint8_t kNoAddress = 0;
 
+    virtual uint8_t type(void)
+    {
+        return kBusTypeI2C;
+    }
+
   private:
     uint8_t _address;
     bool _stop;

src/sfeTk/sfeTkISPI.h

@@ -34,6 +34,8 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  * The SPI bus interface extends the IBus interface and adds the ability to set and get the CS pin.
  */
+
+const uint8_t kBusTypeSPI = 0x02;
 class sfeTkISPI : public sfeTkIBus
 {
   public:
@@ -82,6 +84,11 @@ class sfeTkISPI : public sfeTkIBus
     */
     static constexpr uint8_t kNoCSPin = 0;
 
+    virtual uint8_t type(void)
+    {
+        return kBusTypeSPI;
+    }
+
   private:
     /** The internal storage of the _cs value*/
     uint8_t _cs;