Index: uspace/app/shutters/shutters.c
===================================================================
--- uspace/app/shutters/shutters.c	(revision cb0ea396374ac492a0af9b8eb2d2147d94ed34fd)
+++ uspace/app/shutters/shutters.c	(revision cb0ea396374ac492a0af9b8eb2d2147d94ed34fd)
@@ -0,0 +1,225 @@
+/*
+ * Copyright (c) 2009 Lenka Trochtova
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup shutters
+ * @brief	closing/opening shutters 
+ * @{
+ */ 
+/**
+ * @file
+ */
+
+#include <stdio.h>
+#include <ipc/ipc.h>
+#include <sys/types.h>
+#include <atomic.h>
+#include <ipc/devmap.h>
+#include <async.h>
+#include <ipc/services.h>
+#include <ipc/serial.h>
+#include <as.h>
+#include <sysinfo.h>
+#include <errno.h>
+
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/stat.h>
+
+#include <string.h>
+
+#define NAME 		"shutters"
+#define MYROOM 		2
+#define UpSection1 	25
+#define DwnSection1 26
+#define UpSection2 	27
+#define DwnSection2 28
+
+static int device_get_handle(const char *name, dev_handle_t *handle);
+static void print_usage();
+static void move_shutters(const char * serial_dev_name, char room, char cmd);
+static char getcmd(bool wnd, bool up);
+static bool is_com_dev(const char *dev_name);
+
+static int device_get_handle(const char *name, dev_handle_t *handle)
+{
+	int phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAP, DEVMAP_CLIENT, 0);
+	if (phone < 0)
+		return phone;
+	
+	ipc_call_t answer;
+	aid_t req = async_send_2(phone, DEVMAP_DEVICE_GET_HANDLE, 0, 0, &answer);
+	
+	ipcarg_t retval = ipc_data_write_start(phone, name, str_length(name) + 1); 
+
+	if (retval != EOK) {
+		async_wait_for(req, NULL);
+		ipc_hangup(phone);
+		return retval;
+	}
+
+	async_wait_for(req, &retval);
+
+	if (handle != NULL)
+		*handle = -1;
+	
+	if (retval == EOK) {
+		if (handle != NULL)
+			*handle = (dev_handle_t) IPC_GET_ARG1(answer);
+	}
+	
+	ipc_hangup(phone);
+	return retval;
+}
+
+static void print_usage()
+{
+	printf("Usage: \n shutters comN shutter direction \n where 'comN' is a serial port, 'shutter' is either 'window' or 'door' and direction is 'up' or 'down'.\n");	
+}
+
+static void move_shutters(const char * serial_dev_name, char room, char cmd)
+{
+	dev_handle_t serial_dev_handle = -1;
+	
+	if (device_get_handle(serial_dev_name, &serial_dev_handle) !=  EOK) {
+		printf(NAME ": could not get the handle of %s.\n", serial_dev_name);
+		return;
+	}
+	
+	printf(NAME ": got the handle of %s.\n", serial_dev_name);
+	
+	int dev_phone = ipc_connect_me_to(PHONE_NS, SERVICE_DEVMAP, DEVMAP_CONNECT_TO_DEVICE, serial_dev_handle);
+	if(dev_phone < 0) {
+		printf(NAME ": could not connect to %s device.\n", serial_dev_name);
+		return;
+	}
+	
+	async_req_1_0(dev_phone, SERIAL_PUTCHAR, 0x55);
+	async_req_1_0(dev_phone, SERIAL_PUTCHAR, room);
+	async_req_1_0(dev_phone, SERIAL_PUTCHAR, cmd);
+	async_req_1_0(dev_phone, SERIAL_PUTCHAR, 240);	
+}
+
+static char getcmd(bool wnd, bool up)
+{
+	char cmd = 0;
+	if (wnd) {
+		if (up) {
+			cmd = UpSection2;
+		}
+		else {
+			cmd = DwnSection2;
+		}
+	} else {
+		if (up) {
+			cmd = UpSection1;
+		}
+		else {
+			cmd = DwnSection1;
+		}
+	}
+	return cmd;
+}
+
+/*
+ * The name of a serial device must be between 'com0' and 'com9'.
+ */ 
+static bool is_com_dev(const char *dev_name) 
+{
+	if (str_length(dev_name) != 4) {
+		return false;
+	}
+	
+	if (str_cmp("com0", dev_name) > 0) {
+		return false;
+	}
+	
+	if (str_cmp(dev_name, "com9") > 0) {
+		return false;
+	}
+	
+	return true;
+}
+
+
+int main(int argc, char *argv[])
+{
+	if (argc != 4) {
+		printf(NAME ": incorrect number of arguments.\n");
+		print_usage();
+		return 0;		
+	}	
+
+	bool wnd, up;
+	const char *serial_dev = argv[1];
+	
+	if (!is_com_dev(serial_dev)) {
+		printf(NAME ": the first argument is not correct.\n");
+		print_usage();
+		return 0;	
+	}
+	
+	if (str_cmp(argv[2], "window") == 0) {
+		wnd = true;
+	} else if (str_cmp(argv[2], "door") == 0) {
+		wnd = false;
+	} else {
+		printf(NAME ": the second argument is not correct.\n");
+		print_usage();
+		return 0;
+	}
+	
+	if (str_cmp(argv[2], "window") == 0) {
+		wnd = true;
+	} else if (str_cmp(argv[2], "door") == 0) {
+		wnd = false;
+	} else {
+		printf(NAME ": the third argument is not correct.\n");
+		print_usage();
+		return 0;
+	}
+	
+	if (str_cmp(argv[3], "up") == 0) {
+		up = true;
+	} else if (str_cmp(argv[3], "down") == 0) {
+		up = false;
+	} else {
+		printf(NAME ": the second argument is not correct.\n");
+		print_usage();
+		return 0;
+	}
+	
+	char cmd = getcmd(wnd, up);	
+	move_shutters(serial_dev, MYROOM, cmd);
+	
+	return 0;
+}
+
+/** @}
+ */