157 lines
3.6 KiB
C
157 lines
3.6 KiB
C
/*
|
||
* Copyright (c) 2019-2025 Allwinner Technology Co., Ltd. ALL rights reserved.
|
||
*
|
||
* Allwinner is a trademark of Allwinner Technology Co.,Ltd., registered in
|
||
* the the People's Republic of China and other countries.
|
||
* All Allwinner Technology Co.,Ltd. trademarks are used with permission.
|
||
*
|
||
* DISCLAIMER
|
||
* THIRD PARTY LICENCES MAY BE REQUIRED TO IMPLEMENT THE SOLUTION/PRODUCT.
|
||
* IF YOU NEED TO INTEGRATE THIRD PARTY’S TECHNOLOGY (SONY, DTS, DOLBY, AVS OR MPEGLA, ETC.)
|
||
* IN ALLWINNERS’SDK OR PRODUCTS, YOU SHALL BE SOLELY RESPONSIBLE TO OBTAIN
|
||
* ALL APPROPRIATELY REQUIRED THIRD PARTY LICENCES.
|
||
* ALLWINNER SHALL HAVE NO WARRANTY, INDEMNITY OR OTHER OBLIGATIONS WITH RESPECT TO MATTERS
|
||
* COVERED UNDER ANY REQUIRED THIRD PARTY LICENSE.
|
||
* YOU ARE SOLELY RESPONSIBLE FOR YOUR USAGE OF THIRD PARTY’S TECHNOLOGY.
|
||
*
|
||
*
|
||
* THIS SOFTWARE IS PROVIDED BY ALLWINNER"AS IS" AND TO THE MAXIMUM EXTENT
|
||
* PERMITTED BY LAW, ALLWINNER EXPRESSLY DISCLAIMS ALL WARRANTIES OF ANY KIND,
|
||
* WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING WITHOUT LIMITATION REGARDING
|
||
* THE TITLE, NON-INFRINGEMENT, ACCURACY, CONDITION, COMPLETENESS, PERFORMANCE
|
||
* OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
||
* IN NO EVENT SHALL ALLWINNER 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.
|
||
*/
|
||
#include <hal_sem.h>
|
||
#include <rtdef.h>
|
||
#include <log.h>
|
||
|
||
hal_sem_t hal_sem_create(unsigned int cnt)
|
||
{
|
||
return (hal_sem_t) rt_sem_create("hal_layer", cnt, RT_IPC_FLAG_FIFO);
|
||
}
|
||
|
||
int hal_sem_delete(hal_sem_t sem)
|
||
{
|
||
if (sem == NULL)
|
||
{
|
||
__err("fatal error, parameter is invalid.");
|
||
return -1;
|
||
}
|
||
|
||
rt_sem_delete(sem);
|
||
return 0;
|
||
}
|
||
|
||
int hal_sem_getvalue(hal_sem_t sem, int *val)
|
||
{
|
||
if (sem == NULL || val == NULL)
|
||
{
|
||
__err("fatal error, parameter is invalid.");
|
||
return -1;
|
||
}
|
||
|
||
rt_sem_control(sem, RT_IPC_CMD_GET_STATE, val);
|
||
|
||
return 0;
|
||
}
|
||
|
||
int hal_sem_post(hal_sem_t sem)
|
||
{
|
||
if (sem == NULL)
|
||
{
|
||
__err("fatal error, parameter is invalid.");
|
||
return -1;
|
||
}
|
||
|
||
// must be success.
|
||
rt_sem_release(sem);
|
||
|
||
return 0;
|
||
}
|
||
|
||
int hal_sem_timedwait(hal_sem_t sem, unsigned long ticks)
|
||
{
|
||
rt_err_t ret;
|
||
|
||
if (sem == NULL)
|
||
{
|
||
__err("fatal error, parameter is invalid.");
|
||
return -1;
|
||
}
|
||
|
||
ret = rt_sem_take(sem, ticks);
|
||
if (ret != RT_EOK)
|
||
{
|
||
// timeout.
|
||
return -2;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
int hal_sem_trywait(hal_sem_t sem)
|
||
{
|
||
rt_err_t ret;
|
||
|
||
if (sem == NULL)
|
||
{
|
||
__err("fatal error, parameter is invalid.");
|
||
return -1;
|
||
}
|
||
|
||
ret = rt_sem_trytake(sem);
|
||
if (ret != RT_EOK)
|
||
{
|
||
// timeout.
|
||
return -2;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
int hal_sem_wait(hal_sem_t sem)
|
||
{
|
||
rt_err_t ret;
|
||
|
||
if (sem == NULL)
|
||
{
|
||
__err("fatal error, parameter is invalid.");
|
||
return -1;
|
||
}
|
||
|
||
ret = rt_sem_take(sem, RT_WAITING_FOREVER);
|
||
if (ret != RT_EOK)
|
||
{
|
||
// timeout.
|
||
return -2;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
int hal_sem_clear(hal_sem_t sem)
|
||
{
|
||
rt_err_t ret;
|
||
|
||
if (sem == NULL)
|
||
{
|
||
__err("fatal error, parameter is invalid.");
|
||
return -1;
|
||
}
|
||
|
||
ret = rt_sem_control(sem, RT_IPC_CMD_RESET, NULL);
|
||
if (ret != RT_EOK) {
|
||
__err("rt_sem_control fail\n");
|
||
return -1;
|
||
}
|
||
|
||
return 0;
|
||
} |