1 files changed, 50 insertions, 0 deletions
diff --git a/include/hybbx/ardop.h b/include/hybbx/ardop.h
new file mode 100644
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--- /dev/null
+++ b/include/hybbx/ardop.h
@@ -0,0 +1,50 @@
+#ifndef HYBBX_ARDOP_H
+#define HYBBX_ARDOP_H
+
+/**
+ * ARDOP link adapter — HyBBX Host-Client subset (external ARDOP modem).
+ *
+ * HyBBX is never a sound-modem service. Operator runs ARDOPC or ardopcf as a
+ * separate process; this plugin speaks the TNC Host Interface over TCP.
+ * For CRDOP, use the `crdop` plugin and external CRDOPC instead.
+ */
+
+#include "hybbx/types.h"
+#include "hybbx/crdop.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Default ARDOPC TCP control port (data = port + 1). */
+#define HYBBX_ARDOP_DEFAULT_PORT 8515u
+
+/** Max payload per ARDOP host data frame (spec timing guidance). */
+#define HYBBX_ARDOP_DATA_MAX 2000u
+
+typedef struct hybbx_ardop_config {
+    char *ardop_host;
+    unsigned ardop_port;
+    char *mycall;
+    char *arq_bandwidth;
+    char *peer_call;
+    int listen;
+    char *circuit_host;
+    unsigned circuit_port;
+    char *link_id;
+    char *link_password;
+    char *link_role;
+    double frequency_mhz;
+    /** Experimental CRDOP preview: cb | amateur (see docs/CRDOP.md). */
+    hybbx_crdop_radio_profile_t radio_profile;
+} hybbx_ardop_config_t;
+
+hybbx_result_t hybbx_ardop_config_parse(const char *config,
+                                        hybbx_ardop_config_t *out);
+void hybbx_ardop_config_free(hybbx_ardop_config_t *config);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HYBBX_ARDOP_H */