diff --git a/Include/error.h b/Include/error.h
new file mode 100644
--- /dev/null
+++ b/Include/error.h
@@ -0,0 +1,19 @@
+#ifndef ERROR_H
+#define ERROR_H
+#include "stm32f0xx_hal.h"
+
+// Each error message has an enum entry
+// If adding errors, remember to define a message for each in error.c
+enum error_number
+{
+	ERR_RS485_PARSE = 0,
+};
+
+
+void error_assert(uint8_t errno);
+void error_assert_info(uint8_t errno, char* details);
+uint8_t error_check(uint8_t errno);
+uint8_t error_occurred(void);
+uint8_t error_count(void);
+
+#endif