From 2bb4e81d09ce2a72559aa52cbf5764bf4cda52fe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?St=C3=A9phane=20Fillod=2C=20F8CFE?=
 <fillods@users.sourceforge.net>
Date: Thu, 28 Nov 2002 22:33:48 +0000
Subject: [PATCH] fixes to allow new RIG_PORT_PARALLEL

git-svn-id: https://hamlib.svn.sourceforge.net/svnroot/hamlib/trunk@1300 7ae35d74-ebe9-4afe-98af-79ac388436b8
---
 src/rotator.c | 71 ++++++++++++++++++++++++++++++++++++---------------
 src/serial.c  | 12 +++++++--
 2 files changed, 61 insertions(+), 22 deletions(-)

diff --git a/src/rotator.c b/src/rotator.c
index e94f9f64d..6a74c4a8c 100644
--- a/src/rotator.c
+++ b/src/rotator.c
@@ -1,18 +1,8 @@
-/**
- * \file src/rotator.c
- * \ingroup rot
- * \brief Rotator interface
- * \author Stephane Fillod
- * \date 2000-2001
- *
- * Hamlib interface is a frontend implementing rotator wrapper functions.
- */
-
 /*
  *  Hamlib Interface - main file
- *  Copyright (c) 2000,2001 by Stephane Fillod and Frank Singleton
+ *  Copyright (c) 2000-2002 by Stephane Fillod and Frank Singleton
  *
- *		$Id: rotator.c,v 1.8 2002-11-04 22:37:53 fillods Exp $
+ *	$Id: rotator.c,v 1.9 2002-11-28 22:33:48 fillods Exp $
  *
  *   This library is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU Library General Public License as
@@ -30,6 +20,17 @@
  *
  */
 
+/**
+ * \file src/rotator.c
+ * \ingroup rot
+ * \brief Rotator interface
+ * \author Stephane Fillod
+ * \date 2000-2002
+ *
+ * Hamlib interface is a frontend implementing rotator wrapper functions.
+ */
+
+
 /*! \page rot Rotator interface
  *
  * Rotator can be any kind of azimuth or azimuth and elevation controlled
@@ -58,6 +59,7 @@
 #ifndef DOC_HIDDEN
 
 #define DEFAULT_SERIAL_PORT "/dev/rotator"
+#define DEFAULT_PARALLEL_PORT "/dev/parport0"
 
 #define CHECK_ROT_ARG(r) (!(r) || !(r)->caps || !(r)->state.comm_state)
 
@@ -189,17 +191,29 @@ ROT *rot_init(rot_model_t rot_model)
 
 		rs->comm_state = 0;
 		rs->rotport.type.rig = caps->port_type; /* default from caps */
+
+		rs->rotport.write_delay = caps->write_delay;
+		rs->rotport.post_write_delay = caps->post_write_delay;
+		rs->rotport.timeout = caps->timeout;
+		rs->rotport.retry = caps->retry;
+
+		switch (caps->port_type) {
+		case RIG_PORT_SERIAL:
 		strncpy(rs->rotport.pathname, DEFAULT_SERIAL_PORT, FILPATHLEN);
 		rs->rotport.parm.serial.rate = caps->serial_rate_max;	/* fastest ! */
 		rs->rotport.parm.serial.data_bits = caps->serial_data_bits;
 		rs->rotport.parm.serial.stop_bits = caps->serial_stop_bits;
 		rs->rotport.parm.serial.parity = caps->serial_parity;
 		rs->rotport.parm.serial.handshake = caps->serial_handshake;
-		rs->rotport.write_delay = caps->write_delay;
-		rs->rotport.post_write_delay = caps->post_write_delay;
+		break;
 
-		rs->rotport.timeout = caps->timeout;
-		rs->rotport.retry = caps->retry;
+		case RIG_PORT_PARALLEL:
+		strncpy(rs->rotport.pathname, DEFAULT_PARALLEL_PORT, FILPATHLEN);
+		break;
+
+		default:
+		strncpy(rs->rotport.pathname, "", FILPATHLEN);
+		}
 
 		rs->min_el = caps->min_el;
 		rs->max_el = caps->max_el;
@@ -271,6 +285,13 @@ int rot_open(ROT *rot)
 						return status;
 				break;
 
+		case RIG_PORT_PARALLEL:
+				rs->rotport.stream = NULL;
+				status = par_open(&rs->rotport);
+				if (status < 0)
+					return status;
+				break;
+
 		case RIG_PORT_DEVICE:
 				status = open(rs->rotport.pathname, O_RDWR, 0);
 				if (status < 0)
@@ -352,10 +373,20 @@ int rot_close(ROT *rot)
 
 
 		if (rs->rotport.fd != -1) {
-				if (!rs->rotport.stream)
-						fclose(rs->rotport.stream); /* this closes also fd */
-				else
-					close(rs->rotport.fd);
+				if (rs->rotport.stream != NULL) {
+					fclose(rs->rotport.stream); /* this closes also fd */
+				} else {
+					switch(rs->rotport.type.rig) {
+					case RIG_PORT_SERIAL:
+						ser_close(&rs->rotport);
+						break;
+					case RIG_PORT_PARALLEL:
+						par_close(&rs->rotport);
+						break;
+					default:
+						close(rs->rotport.fd);
+					}
+				}
 				rs->rotport.fd = -1;
 				rs->rotport.stream = NULL;
 		}
diff --git a/src/serial.c b/src/serial.c
index c57e62fef..fded8569b 100644
--- a/src/serial.c
+++ b/src/serial.c
@@ -4,7 +4,7 @@
  *  Parts of the PTT handling are derived from soundmodem, an excellent
  *  ham packet softmodem written by Thomas Sailer, HB9JNX.
  *
- *		$Id: serial.c,v 1.27 2002-09-08 22:45:16 fillods Exp $
+ *		$Id: serial.c,v 1.28 2002-11-28 22:33:48 fillods Exp $
  *
  *   This library is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU Library General Public License as
@@ -552,8 +552,16 @@ int par_open(port_t *p)
 		int fd;
 
 		fd = open(p->pathname, O_RDWR);
+		if (fd < 0) {
+			rig_debug(RIG_DEBUG_VERBOSE, "Opening device \"%s\": %s\n", p->pathname, strerror(errno));
+			return -RIG_EIO;
+		}
 #ifdef HAVE_LINUX_PPDEV_H
-		ioctl(fd, PPCLAIM);
+		if (ioctl(fd, PPCLAIM) < 0) {
+			rig_debug(RIG_DEBUG_VERBOSE, "Claiming device \"%s\": %s\n", p->pathname, strerror(errno));
+			close(fd);
+			return -RIG_EIO;
+		}
 #endif
 		p->fd = fd;
 		return fd;