Files
TencentOS-tiny/kernel/evtdrv/tos_evtdrv_sys.c
supowang c1fcaa1236 add license for kernel
add license for kernel
2019-10-09 13:15:53 +08:00

84 lines
2.4 KiB
C

/*----------------------------------------------------------------------------
* Tencent is pleased to support the open source community by making TencentOS
* available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
* If you have downloaded a copy of the TencentOS binary from Tencent, please
* note that the TencentOS binary is licensed under the BSD 3-Clause License.
*
* If you have downloaded a copy of the TencentOS source code from Tencent,
* please note that TencentOS source code is licensed under the BSD 3-Clause
* License, except for the third-party components listed below which are
* subject to different license terms. Your integration of TencentOS into your
* own projects may require compliance with the BSD 3-Clause License, as well
* as the other licenses applicable to the third-party components included
* within TencentOS.
*---------------------------------------------------------------------------*/
#include "tos_evtdrv.h"
#if TOS_CFG_EVENT_DRIVEN_EN > 0u
__API__ evtdrv_err_t tos_evtdrv_sys_init(evtdrv_task_entry_t tasks[], evtdrv_ttb_sz_t task_table_size, k_evtdrv_poll_t poll)
{
evtdrv_err_t err;
evtdrv_task_table = &tasks[0];
evtdrv_task_table_size = task_table_size;
evtdrv_poll = poll;
#if TOS_CFG_MMHEAP_EN > 0
mmheap_init(k_mmheap_pool, TOS_CFG_MMHEAP_POOL_SIZE);
#else
return EVTDRV_ERR_MMHEAP_NOT_ENABLED;
#endif
err = evtdrv_event_init();
if (err != EVTDRV_ERR_NONE) {
return err;
}
evtdrv_msg_init();
evtdrv_task_init();
return EVTDRV_ERR_NONE;
}
__STATIC__ void evtdrv_sys_run(void)
{
evtdrv_event_flag_t event_flag = TOS_EVTDRV_EVENT_NONE;
evtdrv_task_id_t task_id = TOS_EVTDRV_TASK_ID_NONE;
evtdrv_timer_update();
if (evtdrv_poll) {
evtdrv_poll();
}
event_flag = evtdrv_event_fetch(&task_id);
if (event_flag != TOS_EVTDRV_EVENT_NONE) {
evtdrv_curr_task = task_id;
event_flag = (EVTDRV_TASK_ID2TASK(task_id))(event_flag);
evtdrv_curr_task = TOS_EVTDRV_TASK_ID_NONE;
// after task process, event that the task handled is returned.
tos_evtdrv_event_reset(task_id, event_flag);
} else {
#if TOS_CFG_PWR_MGR_EN > 0u
pm_power_manager();
#endif
}
}
__API__ void tos_evtdrv_sys_start(void)
{
while (K_TRUE) {
evtdrv_sys_run();
}
}
#endif