add SampleBuffer and ErrorManager; WAV testing

1 files changed, 38 insertions, 0 deletions

diff --git a/source/error.hpp b/source/error.hpp
new file mode 100644
index 0000000..699c746
--- /dev/null
+++ b/source/error.hpp
@@ -0,0 +1,38 @@
+#include <array>
+
+constexpr unsigned int MAX_ERROR_QUEUE_SIZE = 8;
+
+enum class Error : char
+{
+    None = 0,
+    BadParam,
+    BadParamSize,
+    BadUserCodeLoad,
+    BadUserCodeSize,
+    NotIdle,
+    ConversionAborted
+};
+
+class ErrorManager
+{
+public:
+    void add(Error error) {
+        if (m_index < m_queue.size())
+            m_queue[m_index++] = error;
+    }
+
+    bool assert(bool condition, Error error) {
+        if (!condition)
+            add(error);
+        return condition;
+    }
+
+    Error pop() {
+        return m_index == 0 ? Error::None : m_queue[--m_index];
+    }
+
+private:
+    std::array<Error, MAX_ERROR_QUEUE_SIZE> m_queue;
+    unsigned int m_index = 0;
+};
+