diff --git a/firmware/devices/obdh/obdh.c b/firmware/devices/obdh/obdh.c
index 7380bcb..9bb8f98 100644
--- a/firmware/devices/obdh/obdh.c
+++ b/firmware/devices/obdh/obdh.c
@@ -24,8 +24,9 @@
  * \brief OBDH device implementation.
  *
  * \author Augusto Cezar Boldori Vassoler <augustovassoler@gmail.com>
+ * \author Andre M. P. de Mattos <andre.mattos@spacelab.ufsc.br>
  *
- * \version 0.1.1
+ * \version 0.2.1
  *
  * \date 12/06/2021
  *
@@ -52,6 +53,18 @@ int obdh_init()
     return -1;
 }
 
+int obdh_decode(void) {
+	// call crc package
+	// return action to be performed from a list
+	return -1;
+}
+
+int obdh_answer(void) {
+	// select answer action
+	// populate TX buffer
+	return -1;
+}
+
 /** \} End of obdh group */