2 files changed, 32 insertions, 0 deletions
diff --git a/src/helper/binarybuffer.c b/src/helper/binarybuffer.c
index d98fa16..a90ec7b 100644
--- a/src/helper/binarybuffer.c
+++ b/src/helper/binarybuffer.c
@@ -370,3 +370,30 @@ void bit_copy_discard(struct bit_copy_queue *q)
 		free(qe);
 	}
 }
+
+int unhexify(char *bin, const char *hex, int count)
+{
+	int i, tmp;
+
+	for (i = 0; i < count; i++) {
+		if (sscanf(hex + (2 * i), "%02x", &tmp) != 1)
+			return i;
+		bin[i] = tmp;
+	}
+
+	return i;
+}
+
+int hexify(char *hex, const char *bin, int count, int out_maxlen)
+{
+	int i, cmd_len = 0;
+
+	/* May use a length, or a null-terminated string as input. */
+	if (count == 0)
+		count = strlen(bin);
+
+	for (i = 0; i < count; i++)
+		cmd_len += snprintf(hex + cmd_len, out_maxlen - cmd_len, "%02x", bin[i]);
+
+	return cmd_len;
+}
diff --git a/src/helper/binarybuffer.h b/src/helper/binarybuffer.h
index cc0be57..633ed9e 100644
--- a/src/helper/binarybuffer.h
+++ b/src/helper/binarybuffer.h
@@ -156,4 +156,9 @@ int bit_copy_queued(struct bit_copy_queue *q, uint8_t *dst, unsigned dst_offset,
 void bit_copy_execute(struct bit_copy_queue *q);
 void bit_copy_discard(struct bit_copy_queue *q);
 
+/* functions to convert to/from hex encoded buffer
+ * used in ti-icdi driver and gdb server */
+int unhexify(char *bin, const char *hex, int count);
+int hexify(char *hex, const char *bin, int count, int out_maxlen);
+
 #endif /* BINARYBUFFER_H */