Initialize linear buffer from void pointer.

This is more flexible and avoids an unnecessary cast when interoperating with code which expects strings to be char arrays rather than unsigned char arrays.

lib/include/stream/BufferedInputOutputStream.h

@@ -56,8 +56,8 @@ namespace stm32plus {
        * @param[in] size The size of the caller supplied buffer
        */
 
-      BufferedInputOutputStream(uint8_t *buffer,uint32_t size) {
-        _readPtr=_writePtr=_buffer=buffer;
+      BufferedInputOutputStream(void *buffer,uint32_t size) {
+        _readPtr=_writePtr=_buffer=static_cast<uint8_t*>(buffer);
         _bufferSize=size;
         _needToFree=false;
       }

lib/include/stream/LinearBufferInputOutputStream.h

@@ -22,7 +22,7 @@ namespace stm32plus {
 
       // constructors
 
-      LinearBufferInputOutputStream(uint8_t *buffer,uint32_t size);
+      LinearBufferInputOutputStream(void *buffer,uint32_t size);
       LinearBufferInputOutputStream(uint32_t initialSize);
 
       void resetOutput();

lib/src/stream/LinearBufferInputOutputStream.cpp

@@ -18,7 +18,7 @@ namespace stm32plus {
    * @param size
    */
 
-  LinearBufferInputOutputStream::LinearBufferInputOutputStream(uint8_t *buffer,uint32_t size)
+  LinearBufferInputOutputStream::LinearBufferInputOutputStream(void *buffer,uint32_t size)
     : BufferedInputOutputStream(buffer,size) {
   }