add asn1c generated C source for RANAP (and Makefile to regenerate)
diff --git a/src/ranap/RANAP_Cause.c b/src/ranap/RANAP_Cause.c
new file mode 100644
index 0000000..718167b
--- /dev/null
+++ b/src/ranap/RANAP_Cause.c
@@ -0,0 +1,122 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RANAP-IEs"
+ * 	found in "../../asn1/ranap/RANAP-IEs.asn"
+ */
+
+#include "RANAP_Cause.h"
+
+static asn_per_constraints_t asn_PER_type_RANAP_Cause_constr_1 GCC_NOTUSED = {
+	{ APC_CONSTRAINED | APC_EXTENSIBLE,  3,  3,  0l,  5l }	/* (0..5,...) */,
+	{ APC_UNCONSTRAINED,	-1, -1,  0,  0 },
+	0, 0	/* No PER value map */
+};
+static asn_TYPE_member_t asn_MBR_RANAP_Cause_1[] = {
+	{ ATF_NOFLAGS, 0, offsetof(struct RANAP_Cause, choice.radioNetwork),
+		(ASN_TAG_CLASS_CONTEXT | (0 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_CauseRadioNetwork,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"radioNetwork"
+		},
+	{ ATF_NOFLAGS, 0, offsetof(struct RANAP_Cause, choice.transmissionNetwork),
+		(ASN_TAG_CLASS_CONTEXT | (1 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_CauseTransmissionNetwork,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"transmissionNetwork"
+		},
+	{ ATF_NOFLAGS, 0, offsetof(struct RANAP_Cause, choice.nAS),
+		(ASN_TAG_CLASS_CONTEXT | (2 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_CauseNAS,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"nAS"
+		},
+	{ ATF_NOFLAGS, 0, offsetof(struct RANAP_Cause, choice.protocol),
+		(ASN_TAG_CLASS_CONTEXT | (3 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_CauseProtocol,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"protocol"
+		},
+	{ ATF_NOFLAGS, 0, offsetof(struct RANAP_Cause, choice.misc),
+		(ASN_TAG_CLASS_CONTEXT | (4 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_CauseMisc,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"misc"
+		},
+	{ ATF_NOFLAGS, 0, offsetof(struct RANAP_Cause, choice.non_Standard),
+		(ASN_TAG_CLASS_CONTEXT | (5 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_CauseNon_Standard,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"non-Standard"
+		},
+	{ ATF_NOFLAGS, 0, offsetof(struct RANAP_Cause, choice.radioNetworkExtension),
+		(ASN_TAG_CLASS_CONTEXT | (6 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_CauseRadioNetworkExtension,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"radioNetworkExtension"
+		},
+};
+static const asn_TYPE_tag2member_t asn_MAP_RANAP_Cause_tag2el_1[] = {
+    { (ASN_TAG_CLASS_CONTEXT | (0 << 2)), 0, 0, 0 }, /* radioNetwork */
+    { (ASN_TAG_CLASS_CONTEXT | (1 << 2)), 1, 0, 0 }, /* transmissionNetwork */
+    { (ASN_TAG_CLASS_CONTEXT | (2 << 2)), 2, 0, 0 }, /* nAS */
+    { (ASN_TAG_CLASS_CONTEXT | (3 << 2)), 3, 0, 0 }, /* protocol */
+    { (ASN_TAG_CLASS_CONTEXT | (4 << 2)), 4, 0, 0 }, /* misc */
+    { (ASN_TAG_CLASS_CONTEXT | (5 << 2)), 5, 0, 0 }, /* non-Standard */
+    { (ASN_TAG_CLASS_CONTEXT | (6 << 2)), 6, 0, 0 } /* radioNetworkExtension */
+};
+static asn_CHOICE_specifics_t asn_SPC_RANAP_Cause_specs_1 = {
+	sizeof(struct RANAP_Cause),
+	offsetof(struct RANAP_Cause, _asn_ctx),
+	offsetof(struct RANAP_Cause, present),
+	sizeof(((struct RANAP_Cause *)0)->present),
+	asn_MAP_RANAP_Cause_tag2el_1,
+	7,	/* Count of tags in the map */
+	0,
+	6	/* Extensions start */
+};
+asn_TYPE_descriptor_t asn_DEF_RANAP_Cause = {
+	"RANAP_Cause",
+	"RANAP_Cause",
+	CHOICE_free,
+	CHOICE_print,
+	CHOICE_constraint,
+	CHOICE_decode_ber,
+	CHOICE_encode_der,
+	CHOICE_decode_xer,
+	CHOICE_encode_xer,
+	CHOICE_decode_uper,
+	CHOICE_encode_uper,
+	CHOICE_decode_aper,
+	CHOICE_encode_aper,
+	CHOICE_outmost_tag,
+	0,	/* No effective tags (pointer) */
+	0,	/* No effective tags (count) */
+	0,	/* No tags (pointer) */
+	0,	/* No tags (count) */
+	&asn_PER_type_RANAP_Cause_constr_1,
+	asn_MBR_RANAP_Cause_1,
+	7,	/* Elements count */
+	&asn_SPC_RANAP_Cause_specs_1	/* Additional specs */
+};
+