From 9069c2fbb2f4b9f07e1bf9729e61044c65e09027 Mon Sep 17 00:00:00 2001
From: Martin Ling <martin-git@earth.li>
Date: Thu, 14 Nov 2013 22:01:11 +0000
Subject: [PATCH] Add functions for setting individual port parameters.

---
 libserialport.h.in |  9 +++++++++
 serialport.c       | 18 ++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/libserialport.h.in b/libserialport.h.in
index e410dad..f58530c 100644
--- a/libserialport.h.in
+++ b/libserialport.h.in
@@ -143,6 +143,15 @@ int sp_flush(struct sp_port *port);
 int sp_write(struct sp_port *port, const void *buf, size_t count);
 int sp_read(struct sp_port *port, void *buf, size_t count);
 int sp_set_config(struct sp_port *port, struct sp_port_config *config);
+int sp_set_baudrate(struct sp_port *port, int baudrate);
+int sp_set_bits(struct sp_port *port, int bits);
+int sp_set_parity(struct sp_port *port, int parity);
+int sp_set_stopbits(struct sp_port *port, int stopbits);
+int sp_set_rts(struct sp_port *port, int rts);
+int sp_set_cts(struct sp_port *port, int cts);
+int sp_set_dtr(struct sp_port *port, int dtr);
+int sp_set_dsr(struct sp_port *port, int dsr);
+int sp_set_xon_xoff(struct sp_port *port, int xon_xoff);
 int sp_last_error_code(void);
 char *sp_last_error_message(void);
 void sp_free_error_message(char *message);
diff --git a/serialport.c b/serialport.c
index 418d48b..6a6e305 100644
--- a/serialport.c
+++ b/serialport.c
@@ -961,6 +961,24 @@ int sp_set_config(struct sp_port *port, struct sp_port_config *config)
 	return SP_OK;
 }
 
+#define CREATE_SETTER(x) int sp_set_##x(struct sp_port *port, int x) { \
+	struct sp_port_data data; \
+	TRY(start_config(port, &data)); \
+	TRY(set_##x(&data, x)); \
+	TRY(apply_config(port, &data)); \
+	return SP_OK; \
+}
+
+CREATE_SETTER(baudrate)
+CREATE_SETTER(bits)
+CREATE_SETTER(parity)
+CREATE_SETTER(stopbits)
+CREATE_SETTER(rts)
+CREATE_SETTER(cts)
+CREATE_SETTER(dtr)
+CREATE_SETTER(dsr)
+CREATE_SETTER(xon_xoff)
+
 int sp_last_error_code(void)
 {
 #ifdef _WIN32