initial commit

* combine all source files into this monorepo

* convert all third-party source packages into submodules

* small fixes due to changes in latest third-part packages

1 files changed, 38 insertions, 0 deletions

diff --git a/firmware/source/error.cpp b/firmware/source/error.cpp
new file mode 100644
index 0000000..9f2e98f
--- /dev/null
+++ b/firmware/source/error.cpp
@@ -0,0 +1,38 @@
+/**
+ * @file error.cpp
+ * @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/>.
+ */
+
+#include "error.hpp"
+
+ErrorManager EM;
+
+void ErrorManager::add(Error error)
+{ 
+    if (m_index < m_queue.size())
+        m_queue[m_index++] = error;
+}
+
+bool ErrorManager::assert(bool condition, Error error)
+{
+    if (!condition)
+        add(error);
+    return condition;
+}
+
+bool ErrorManager::hasError()
+{
+    return m_index > 0;
+}
+
+Error ErrorManager::pop()
+{
+    return m_index == 0 ? Error::None : m_queue[--m_index];
+}
+