Docs: add doxygen compatable documentation to files

src/wave.h

@@ -1,3 +1,6 @@
+/*! @file wave.h
+    @brief Header for Wave class and associated Wave functions
+ */
 #ifndef WAVE_H_
 #define WAVE_H_
 
@@ -8,21 +11,34 @@
 
 const uint16_t DEFAULT_N_SAMPLES = 1024;
 
-/* Single cycle wave object with lookup table */
+using sample_table_t = std::array<float_t, DEFAULT_N_SAMPLES>;
+
+/*! @class Wave wave.h "wave.h"
+  @brief Single cycle wave object with lookup table
+ */
 class Wave {
 private:
-  uint16_t m_id{}; // Unique ID number of wave
-  std::array<float_t, DEFAULT_N_SAMPLES> m_table; // table data
+  uint16_t m_id{}; /*!< Unique ID number of wave */
+  sample_table_t m_table;  /*!< Table of sample data */
+
 public:
   Wave(uint16_t id) : m_id{id}, m_table{} { /* Do nothing */ }
 
+  /*! ID getter */
   uint16_t id() { return m_id; }
 
-  void setTable(std::array<float_t, DEFAULT_N_SAMPLES> table) { m_table = table; }
+  /*! Sample data table setter
+      @param table Sample data table
+   */
+  void setTable(sample_table_t table) { m_table = table; }
 
+  /*! Prints the first 10 values of sample data */
   void print_head();
 };
 
+/*! Generate sine wave data
+    @return a table of values
+ */
 Wave gen_sin();
 
 #endif // WAVE_H_

src/wavetable.h

@@ -1,3 +1,6 @@
+/*! @file wavetable.h
+    @brief Header for Wavetable class and associated table functions
+ */
 #ifndef WAVETABLE_H_
 #define WAVETABLE_H_
 
@@ -7,17 +10,29 @@
 
 #include "wave.h"
 
-/* Table of single cycle wave lookup tables */
+const uint8_t DEFAULT_N_WAVES = 256;
+
+using wave_table_t = std::array<Wave, DEFAULT_N_WAVES>;
+
+/*! @class Wavetable wavetable.h "wavetable.h"
+    @brief Object containing a table of single cycle Wave objects
+  */
 class Wavetable {
 private:
-  uint16_t m_id{};                             // Unique ID number of wavetable
-  std::string m_name{};                        // String name of wavetable
-  std::array<Wave, DEFAULT_N_SAMPLES> m_table; // table data
+  uint16_t m_id{}; /*!< Unique ID number of wavetable */
+  std::string m_name{}; /*!< String name of wavetable */
+  wave_table_t m_table; /*!< Table of Wave objects */
 
 public:
+  /*! Makes formatted name and id string
+      @return a formatted string in the form "id: name"
+    */
   std::string name();
 
-  void set_table(std::array<Wave, DEFAULT_N_SAMPLES> table) { m_table = table; }
+  /*! setter for wave table
+      @param table Table of Wave objects
+   */
+  void set_table(wave_table_t table) { m_table = table; }
 };
 
 #endif // WAVETABLE_H_

src/wtpp.cpp

@@ -13,7 +13,9 @@
 static const uint32_t DEFAULT_SAMPLE_RATE = 44100; // 44.1 kHz sampling rate
 static const uint8_t DEFAULT_BIT_DEPTH = 12;
 
-/* Logs a message */
+/*! Logs a message
+    @param message The string to be logged
+ */
 static void log(std::string message)
 {
   std::cout << "wtpp: " << message << '\n';