Add enum values for flow control settings.

[libserialport.git] / serialport.h

diff --git a/serialport.h b/serialport.h
index dc3e22d0eaf02c89fef7f91bb1726bd1882095dc..dafe99bfbcf4eb447f9a3bb8c9851a929d15e43d 100644 (file)
--- a/serialport.h
+++ b/serialport.h
@@ -17,6 +17,9 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#ifndef SERIALPORT_H
+#define SERIALPORT_H
+
 #include <stddef.h>
 #ifdef _WIN32
 #include <windows.h>
@@ -64,6 +67,18 @@ enum {
        SP_PARITY_ODD = 2
 };
 
+/* Flow control settings. */
+enum {
+       /* No flow control. */
+       SP_FLOW_NONE = 0,
+       /* Hardware (RTS/CTS) flow control. */
+       SP_FLOW_HARDWARE = 1,
+       /* Software (XON/XOFF) flow control. */
+       SP_FLOW_SOFTWARE = 2
+};
+
+char **sp_list_ports(void);
+void sp_free_port_list(char **ports);
 int sp_open(struct sp_port *port, char *portname, int flags);
 int sp_close(struct sp_port *port);
 int sp_flush(struct sp_port *port);
@@ -74,3 +89,5 @@ int sp_set_params(struct sp_port *port, int baudrate, int bits, int parity,
 int sp_last_error_code(void);
 char *sp_last_error_message(void);
 void sp_free_error_message(char *message);
+
+#endif /* SERIALPORT_H */