diff --git a/src/maa.i b/src/maa.i
index 091bcf0..cf2fceb 100644
--- a/src/maa.i
+++ b/src/maa.i
@@ -18,6 +18,27 @@ const char * maa_get_version();
 %rename(printError) maa_result_print();
 void maa_result_print(maa_result_t result);
 
+/**
+ * MAA return codes
+ */
+typedef enum {
+    MAA_SUCCESS                              =  0, /**< Expected response */
+    MAA_ERROR_FEATURE_NOT_IMPLEMENTED        =  1, /**< Feature TODO */
+    MAA_ERROR_FEATURE_NOT_SUPPORTED          =  2, /**< Feature not supported by HW */
+    MAA_ERROR_INVALID_VERBOSITY_LEVEL        =  3, /**< Verbosity level wrong */
+    MAA_ERROR_INVALID_PARAMETER              =  4, /**< Parameter invalid */
+    MAA_ERROR_INVALID_HANDLE                 =  5, /**< Handle invalid */
+    MAA_ERROR_NO_RESOURCES                   =  6, /**< No resource of that type avail */
+    MAA_ERROR_INVALID_RESOURCE               =  7, /**< Resource invalid */
+    MAA_ERROR_INVALID_QUEUE_TYPE             =  8, /**< Queue type incorrect */
+    MAA_ERROR_NO_DATA_AVAILABLE              =  9, /**< No data available */
+    MAA_ERROR_INVALID_PLATFORM               = 10, /**< Platform not recognised */
+    MAA_ERROR_PLATFORM_NOT_INITIALISED       = 11, /**< Board information not initialised */
+    MAA_ERROR_PLATFORM_ALREADY_INITIALISED   = 12, /**< Board is already initialised */
+
+    MAA_ERROR_UNSPECIFIED                    = 99 /**< Unknown Error */
+} maa_result_t;
+
 #### GPIO ####
 
 %include "gpio.hpp"