1 files changed, 55 insertions, 0 deletions
diff --git a/stacks/terminal/max25_proto.h b/stacks/terminal/max25_proto.h
new file mode 100644
index 0000000..25ae5d5
--- /dev/null
+++ b/stacks/terminal/max25_proto.h
@@ -0,0 +1,55 @@
+#ifndef MAX25_PROTO_H
+#define MAX25_PROTO_H
+
+#include <stddef.h>
+
+#define MAX25_DEFAULT_PORT 7325
+#define MAX25_DEFAULT_UNIX "/run/max25/modem.sock"
+#define MAX25_LINE_MAX 512
+#define MAX25_CALLSIGN_MAX 16
+
+typedef struct max25_client max25_client_t;
+
+typedef struct max25_status {
+    char hardware[32];
+    char device[32];
+    char mode[32];
+    char callerid[MAX25_CALLSIGN_MAX];
+    char callid[MAX25_CALLSIGN_MAX];
+    int ax25_ui;
+    int connected;
+    int monitor;
+    char stack[32];
+    char error[16];
+    char voice[16];
+} max25_status_t;
+
+typedef enum {
+    MAX25_LINE_IGNORE = 0,
+    MAX25_LINE_OK,
+    MAX25_LINE_ERR,
+    MAX25_LINE_STATUS,
+    MAX25_LINE_RX,
+    MAX25_LINE_EVENT,
+    MAX25_LINE_DEVICE,
+    MAX25_LINE_OTHER
+} max25_line_kind_t;
+
+int max25_client_connect(const char *host, unsigned port, const char *unix_path,
+                         int tcp_only, const char *tcp_password,
+                         max25_client_t **out, max25_status_t *initial_status);
+void max25_client_free(max25_client_t *client);
+int max25_client_fd(const max25_client_t *client);
+
+int max25_client_write(max25_client_t *client, const char *cmd);
+int max25_client_command(max25_client_t *client, const char *cmd,
+                         char *reply, size_t reply_sz);
+int max25_client_read_line(max25_client_t *client, char *line, size_t line_sz);
+max25_line_kind_t max25_client_classify_line(const char *line);
+int max25_client_parse_status(const char *line, max25_status_t *status);
+/** Apply EVENT connected / EVENT disconnected to status. Returns 1 if handled. */
+int max25_client_apply_event(const char *line, max25_status_t *status);
+
+int max25_valid_callsign(const char *value);
+
+#endif /* MAX25_PROTO_H */