unittest folder added

unittest/config/tmtc/apid.h

@@ -0,0 +1,19 @@
+#ifndef CONFIG_TMTC_APID_H_
+#define CONFIG_TMTC_APID_H_
+
+#include <stdint.h>
+
+/**
+ * Application Process Definition: entity, uniquely identified by an
+ * application process ID (APID), capable of generating telemetry source
+ * packets and receiving telecommand packets
+ *
+ * SOURCE APID: 0x73 / 115 / s
+ * APID is a 11 bit number
+ */
+namespace apid {
+	static const uint16_t SOURCE_OBSW = 0x73;
+}
+
+
+#endif /* CONFIG_TMTC_APID_H_ */