--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hrutil/tw5b-out-cod.c	Thu Feb 06 08:38:27 2025 +0000
@@ -0,0 +1,25 @@
+/*
+ * The helper function implemented in this module emits TW-TS-005 Annex B
+ * hex output based on an encoder output array, i.e., a cod-style frame.
+ * This helper function will be used for gsmhr-cod2hex, gsmhr-encode[-r]
+ * and gsmhr-tfo-xfrm utilities.
+ */
+
+#include <stdint.h>
+#include <stdio.h>
+#include "../libgsmhr1/tw_gsmhr.h"
+#include "../libtest/tw5writer.h"
+
+void
+emit_cod_to_tw5b(outf, params, emit_5993)
+	FILE *outf;
+	int16_t *params;
+{
+	uint8_t frame[GSMHR_FRAME_LEN_5993];
+
+	gsmhr_encoder_twts002_out(params, frame);
+	if (emit_5993)
+		emit_hex_frame(outf, frame, GSMHR_FRAME_LEN_5993);
+	else
+		emit_hex_frame(outf, frame + 1, GSMHR_FRAME_LEN_RPF);
+}