Refactor: change Wave table to work off pointers with dynamic memory

Refs: #14

src/wave.cpp

@@ -1,4 +1,5 @@
 #include "wave.h"
+#include "common.h"
 #include <cstdint>
 #include <string>
 #include <fstream>
@@ -10,7 +11,15 @@ uint16_t Wave::m_nid = 0;
 void Wave::print_head()
 {
   for (uint8_t i = 0; i < 3; i++) {
-    std::cout << m_table[i] << '\n';
+    std::cout << *(m_tp+i) << '\n';
+  }
+}
+
+void Wave::setTable(sample_table_t table)
+{
+  // Loop through table to load values into sample_table memory
+  for (uint16_t i = 0; i < DEFAULT_N_SAMPLES; i++) {
+    *(m_tp + i) = table[i];
   }
 }
 
@@ -27,7 +36,7 @@ uint8_t Wave::export_csv(std::string path)
 
   // put values into file
   for (uint16_t i = 0; i < DEFAULT_N_SAMPLES; i++) {
-    outf << m_table[i] << "\n";
+    outf << *(m_tp+i) << "\n";
   }
 
   // Clean exit

src/wave.h

@@ -20,11 +20,15 @@ class Wave
 {
 private:
   static uint16_t m_nid;    /*!< Unique ID number of NEXT wave */
-  sample_table_t m_table;  /*!< Table of sample data */
+  float_t *m_tp; /*!< pointer to first element of sample array */
 
 public:
   const uint16_t m_cid; /*!< Unique ID of current wavetable */
-  Wave() : m_cid(m_nid++) {}
+  Wave() : m_cid(m_nid++)
+  {
+    // Allocate sample memory
+    m_tp = new float_t[DEFAULT_N_SAMPLES];
+  }
 
   /*! ID getter */
   uint16_t getId() { return m_cid; }
@@ -33,12 +37,12 @@ public:
       @param i index of target
       @return float_t value at index
    */
-  float_t getVal(uint16_t i) { return m_table[i]; }
+  float_t getVal(uint16_t i) { return (*m_tp+i); }
 
   /*! Sample data table setter
       @param table Sample data table
    */
-  void setTable(sample_table_t table) { m_table = table; }
+  void setTable(sample_table_t table);
 
   /*! Prints the first 3 values of sample data */
   void print_head();