1 files changed, 47 insertions, 0 deletions
diff --git a/firmware/source/error.hpp b/firmware/source/error.hpp
new file mode 100644
index 0000000..c6a7f5c
--- /dev/null
+++ b/firmware/source/error.hpp
@@ -0,0 +1,47 @@
+/**
+ * @file error.hpp
+ * @brief Tracks and reports non-critical errors.
+ *
+ * Copyright (C) 2021 Clyne Sullivan
+ *
+ * Distributed under the GNU GPL v3 or later. You should have received a copy of
+ * the GNU General Public License along with this program.
+ * If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef STMDSP_ERROR_HPP
+#define STMDSP_ERROR_HPP
+
+#include <array>
+
+enum class Error : char
+{
+    None = 0,
+    BadParam,
+    BadParamSize,
+    BadUserCodeLoad,
+    BadUserCodeSize,
+    NotIdle,
+    ConversionAborted,
+    NotRunning
+};
+
+class ErrorManager
+{
+    constexpr static unsigned int MAX_ERROR_QUEUE_SIZE = 8;
+
+public:
+    void add(Error error);
+    bool assert(bool condition, Error error);
+    bool hasError();
+    Error pop();
+
+private:
+    std::array<Error, MAX_ERROR_QUEUE_SIZE> m_queue;
+    unsigned int m_index = 0;
+};
+
+extern ErrorManager EM;
+
+#endif // STMDSP_ERROR_HPP
+