File: [local] / prex / usr / test / console / console.c (download)
Revision 1.1.1.1 (vendor branch), Tue Aug 19 12:47:01 2008 UTC (16 years ago) by nbrk
Branch: MAIN, KOHSUKE
CVS Tags: PREX_0_8_BASE, HEAD Changes since 1.1: +0 -0 lines
Initial import of Prex, Portable Real-time Embedded POSIX microkernel system.
I have totally new directions in my development (more focused on real hardware, not virtual one).
Old hacks are available in prex-old module. They will be carefully re-designed and merged soon.
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/*
* Copyright (c) 2005, Kohsuke Ohtani
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*/
/*
* console.c - test program for console driver
*/
#include <prex/prex.h>
#include <string.h>
int
main(int argc, char *argv[])
{
device_t console_dev;
char buf[] = "ABCDEFGHIJKLMN";
int i, err;
size_t len;
sys_log("console test program\n");
err = device_open("console", 0, &console_dev);
if (err)
sys_log("device open err!\n");
/*
* Display 'ABCDE'
*/
len = 5;
device_write(console_dev, buf, &len, 0);
/*
* Display 'AAAA...'
*/
len = 1;
for (i = 0; i < 100; i++)
device_write(console_dev, buf, &len, 0);
/*
* Try to pass invalid pointer.
* It will cause a fault, and get EFAULT.
*/
sys_log("\ntest an invalid pointer.\n");
len = 100;
err = device_write(console_dev, 0, &len, 0);
if (err)
sys_log("OK!\n");
else
sys_log("Bad!\n");
err = device_close(console_dev);
if (err)
sys_log("device close err!\n");
sys_log("Completed\n");
return 0;
}