/*
* Copyright (c) 2012 Maurizio Lombardi
* 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 libc
* @{
*/
/** @file
*/
#include <ipc/dev_iface.h>
#include <device/clock_dev.h>
#include <errno.h>
#include <async.h>
#include <time.h>
/** Read the current time from the device
*
* @param sess Session of the device
* @param t The current time that will be read from the device
*
* @return EOK on success or an error code
*/
errno_t
clock_dev_time_get(async_sess_t *sess, struct tm *t)
{
aid_t req;
errno_t ret;
async_exch_t *exch = async_exchange_begin(sess);
req = async_send_1(exch, DEV_IFACE_ID(CLOCK_DEV_IFACE),
CLOCK_DEV_TIME_GET, NULL);
ret = async_data_read_start(exch, t, sizeof(*t));
async_exchange_end(exch);
errno_t rc;
if (ret != EOK) {
async_forget(req);
return ret;
}
async_wait_for(req, &rc);
return (errno_t)rc;
}
/** Set the current time
*
* @param sess Session of the device
* @param t The current time that will be written to the device
*
* @return EOK on success or an error code
*/
errno_t
clock_dev_time_set(async_sess_t *sess, struct tm *t)
{
aid_t req;
errno_t ret;
async_exch_t *exch = async_exchange_begin(sess);
req = async_send_1(exch, DEV_IFACE_ID(CLOCK_DEV_IFACE),
CLOCK_DEV_TIME_SET, NULL);
ret = async_data_write_start(exch, t, sizeof(*t));
async_exchange_end(exch);
errno_t rc;
if (ret != EOK) {
async_forget(req);
return ret;
}
async_wait_for(req, &rc);
return (errno_t)rc;
}
/** @}
*/