mirror of
https://github.com/silenty4ng/uv-k5-firmware-chinese-lts
synced 2025-01-30 14:14:31 +00:00
75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
|
/*----------------------------------------------------------------------------
|
||
|
|
* CMSIS-RTOS - RTX
|
||
|
|
*----------------------------------------------------------------------------
|
||
|
|
* Name: RT_ROBIN.C
|
||
|
|
* Purpose: Round Robin Task switching
|
||
|
|
* Rev.: V4.79
|
||
|
|
*----------------------------------------------------------------------------
|
||
|
|
*
|
||
|
|
* Copyright (c) 1999-2009 KEIL, 2009-2017 ARM Germany GmbH. All rights reserved.
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Licensed under the Apache License, Version 2.0 (the License); you may
|
||
|
|
* not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an AS IS BASIS, WITHOUT
|
||
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*---------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
#include "rt_TypeDef.h"
|
||
|
|
#include "RTX_Config.h"
|
||
|
|
#include "rt_List.h"
|
||
|
|
#include "rt_Task.h"
|
||
|
|
#include "rt_Time.h"
|
||
|
|
#include "rt_Robin.h"
|
||
|
|
#include "rt_HAL_CM.h"
|
||
|
|
|
||
|
|
/*----------------------------------------------------------------------------
|
||
|
|
* Global Variables
|
||
|
|
*---------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
struct OS_ROBIN os_robin;
|
||
|
|
|
||
|
|
|
||
|
|
/*----------------------------------------------------------------------------
|
||
|
|
* Global Functions
|
||
|
|
*---------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
/*--------------------------- rt_init_robin ---------------------------------*/
|
||
|
|
|
||
|
|
__weak void rt_init_robin (void) {
|
||
|
|
/* Initialize Round Robin variables. */
|
||
|
|
os_robin.task = NULL;
|
||
|
|
os_robin.tout = (U16)os_rrobin;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*--------------------------- rt_chk_robin ----------------------------------*/
|
||
|
|
|
||
|
|
__weak void rt_chk_robin (void) {
|
||
|
|
/* Check if Round Robin timeout expired and switch to the next ready task.*/
|
||
|
|
P_TCB p_new;
|
||
|
|
|
||
|
|
if (os_robin.task != os_rdy.p_lnk) {
|
||
|
|
/* New task was suspended, reset Round Robin timeout. */
|
||
|
|
os_robin.task = os_rdy.p_lnk;
|
||
|
|
os_robin.time = (U16)os_time + os_robin.tout - 1U;
|
||
|
|
}
|
||
|
|
if (os_robin.time == (U16)os_time) {
|
||
|
|
/* Round Robin timeout has expired, swap Robin tasks. */
|
||
|
|
os_robin.task = NULL;
|
||
|
|
p_new = rt_get_first (&os_rdy);
|
||
|
|
rt_put_prio ((P_XCB)&os_rdy, p_new);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/*----------------------------------------------------------------------------
|
||
|
|
* end of file
|
||
|
|
*---------------------------------------------------------------------------*/
|