doc for fifo, device com if..

container/SimpleRingBuffer.h

@@ -4,12 +4,40 @@
 #include <framework/container/RingBufferBase.h>
 #include <stddef.h>
 
+/**
+ * Circular buffer implementation, useful for buffering into data streams.
+ * Note that the deleteData() has to be called to increment the read pointer
+ */
 class SimpleRingBuffer: public RingBufferBase<> {
 public:
 	SimpleRingBuffer(uint32_t size, bool overwriteOld);
 	virtual ~SimpleRingBuffer();
+
+	/**
+	 * Write to circular buffer and increment write pointer by amount
+	 * @param data
+	 * @param amount
+	 * @return
+	 */
 	ReturnValue_t writeData(const uint8_t* data, uint32_t amount);
+
+	/**
+	 * Read from circular buffer at read pointer
+	 * @param data
+	 * @param amount
+	 * @param readRemaining
+	 * @param trueAmount
+	 * @return
+	 */
 	ReturnValue_t readData(uint8_t* data, uint32_t amount, bool readRemaining = false, uint32_t* trueAmount = NULL);
+
+	/**
+	 * Delete data starting by incrementing read pointer
+	 * @param amount
+	 * @param deleteRemaining
+	 * @param trueAmount
+	 * @return
+	 */
 	ReturnValue_t deleteData(uint32_t amount, bool deleteRemaining = false, uint32_t* trueAmount = NULL);
 private:
 //	static const uint8_t TEMP_READ_PTR = 1;