Add sp_start_break() and sp_end_break() functions.

[libserialport.git] / serialport.c

diff --git a/serialport.c b/serialport.c
index 6104f241a17cb34db7638ef00ac9cebaff4529ce..ab1baa76df2cadd5a8af15e5807c6e55c2a80e80 100644 (file)
--- a/serialport.c
+++ b/serialport.c
@@ -1298,6 +1298,34 @@ enum sp_return sp_set_flowcontrol(struct sp_port *port, enum sp_flowcontrol flow
        return SP_OK;
 }
 
+enum sp_return sp_start_break(struct sp_port *port)
+{
+       CHECK_PORT();
+#ifdef _WIN32
+       if (SetCommBreak(port->hdl) == 0)
+               return SP_ERR_FAIL;
+#else
+       if (ioctl(port->fd, TIOCSBRK, 1) < 0)
+               return SP_ERR_FAIL;
+#endif
+
+       return SP_OK;
+}
+
+enum sp_return sp_end_break(struct sp_port *port)
+{
+       CHECK_PORT();
+#ifdef _WIN32
+       if (ClearCommBreak(port->hdl) == 0)
+               return SP_ERR_FAIL;
+#else
+       if (ioctl(port->fd, TIOCCBRK, 1) < 0)
+               return SP_ERR_FAIL;
+#endif
+
+       return SP_OK;
+}
+
 int sp_last_error_code(void)
 {
 #ifdef _WIN32