From a2655dc9a657d129cc71038b07bc88879b76cac8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=9B=B6=E4=B8=AD=E6=96=AD=E5=BB=B6=E8=BF=9F=E7=9A=84RTOS?= Date: Mon, 6 Jan 2025 14:36:15 +0000 Subject: [PATCH] =?UTF-8?q?=E5=88=A0=E9=99=A4=E6=96=87=E4=BB=B6=20System/o?= =?UTF-8?q?s=5Fhandler.c?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- System/os_handler.c | 815 -------------------------------------------- 1 file changed, 815 deletions(-) delete mode 100644 System/os_handler.c diff --git a/System/os_handler.c b/System/os_handler.c deleted file mode 100644 index b9c936b6..00000000 --- a/System/os_handler.c +++ /dev/null @@ -1,815 +0,0 @@ -/**************************************************************************//** - * @item CosyOS-II Kernel - * @file os_handler.c - * @brief OS_SysTick_Handler and sPendSV_Handler - * @author 迟凯峰 - * @version V3.3.1 - * @date 2024.12.30 - ******************************************************************************/ - -#include "os_link.h" - -#if SYSCFG_DEBUGGING == __ENABLED__ -static s_u32_t usedtime[2] = {0}; -#endif -static s_u8_t _SYS_MEM_ task_queue_len = 0; -static s_tasknode_tsp _SYS_MEM_ task_node[3] = {OS_NULL}; -#define node_head task_node[0] /*!< 头节点 */ -#define node_midd task_node[1] /*!< 中间节点 */ -#define node_tail task_node[2] /*!< 尾节点 */ -#define node_last node_curr->last /*!< 上一节点 */ -#define node_next node_curr->next /*!< 下一节点 */ -#define move_forward node_curr = node_last /*!< 节点前移 */ -#define move_backward node_curr = node_next /*!< 节点后移 */ - -void OS_SysTick_Handler(void) MCUCFG_SYSTICK_ATTRIBUTE -{ - s_u8_t _SYS_REG_ i; - #if SYSCFG_SYSTICKTIME_COUNT == __ENABLED__ - static m_tick_t tick_temp; - #endif - - /* 清除中断标志位 */ - mSysTick_Clear; - - /* 系统滴答时间统计开始 */ - #if SYSCFG_SYSTICKTIME_COUNT == __ENABLED__ - if(s_sign_taskmgr){ - tick_temp = mSysTick_Counter; - } - #endif - - /* 软件RTC */ - #if SYSCFG_SOFTRTC == __ENABLED__ - if(true){ - static - #if SYSCFG_SYSTICKCYCLE > 1000000UL / 65536 - s_u16_t - #else - s_u32_t - #endif - _SYS_MEM_ counter = 0; - if(s_sign_every.set){ - s_sign_every.set = false; - counter = 0; - } - else{ - if(counter < 1000000UL / SYSCFG_SYSTICKCYCLE - 1){ - counter++; - if(counter == 1000000UL / SYSCFG_SYSTICKCYCLE / 2){ - s_sign_every.halfsec = true; - } - } - else{ - counter = 0; - s_sign_every.halfsec = true; - s_sign_every.second = true; - if(s_rtc.second < 59) s_rtc.second++; - else{ - s_rtc.second = 0; - s_sign_every.minute = true; - if(s_rtc.minute < 59) s_rtc.minute++; - else{ - s_rtc.minute = 0; - s_sign_every.hour = true; - if(s_rtc.hour < 23) s_rtc.hour++; - else{ - s_rtc.hour = 0; - s_sign_every.day = true; - if(s_rtc.day < 7) s_rtc.day++; - else s_rtc.day = 1; - if(s_rtc.date < (s_rtc.month == 2 ? s_month2day : s_month0day[s_rtc.month])) s_rtc.date++; - else{ - s_rtc.date = 1; - s_sign_every.month = true; - if(s_rtc.month < 12) s_rtc.month++; - else{ - s_rtc.month = 1; - s_sign_every.year = true; - if(s_rtc.year < 99) s_rtc.year++; - else{ - s_rtc.year = 0; - s_rtc.yeah++; - } - } - } - } - } - } - #if SYSCFG_GETRTC_INT == __ENABLED__ - s_update_rtccopy(); - #endif - } - } - } - #endif - - /* 运行时间统计 */ - #if SYSCFG_RUNTIME_COUNT == __ENABLED__ - if(true){ - static - #if SYSCFG_SYSTICKCYCLE > 1000000UL / 65536 - s_u16_t - #else - s_u32_t - #endif - _SYS_MEM_ counter = 0; - if(counter < 1000000UL / SYSCFG_SYSTICKCYCLE - 1){ - counter++; - } - else{ - counter = 0; - if(s_runtime.second < 59) s_runtime.second++; - else{ - s_runtime.second = 0; - if(s_runtime.minute < 59) s_runtime.minute++; - else{ - s_runtime.minute = 0; - if(s_runtime.hour < 23) s_runtime.hour++; - else{ - s_runtime.hour = 0; - s_runtime.day++; - } - } - } - } - } - #endif - - #if SYSCFG_DEBUGGING == __ENABLED__ - if(s_sign_debug_send){ - s_sign_debug_send = false; - tTimQry_ms(OS_TMID_DEBUGHOOK, 30); - } - if(s_sign_debug_recv){ - s_sign_debug_recv = false; - tTimInt_ms(OS_TMID_DEBUGGER, 15); - } - #endif - - /* 滴答钩子 */ - #if SYSCFG_TICKHOOK == __ENABLED__ - tick_hook(); - #endif - - /* 定时中断 */ - #if OS_TIMINTTOTAL - i = OS_TIMINTTOTAL; - while(i--){ - if(s_timint_handle[i]->timer){ - s_timint_handle[i]->timer--; - if(!s_timint_handle[i]->timer){ - if(s_timint_handle[i]->autoreload){ - s_timint_handle[i]->timer = s_timint_handle[i]->reload; - } - if(s_timint_handle[i]->hookortask){ - sResumeTask_TimInt(i); - } - else{ - sCallHook_TimInt(i); - } - } - } - } - #endif - - /* 定时查询 */ - #if OS_TIMQRYTOTAL - i = OS_TIMQRYTOTAL; - while(i--){ - if(s_timqry_handle[i]->timer && s_timqry_handle[i]->timer < (s_timqry_t)~0){ - s_timqry_handle[i]->timer--; - } - if(!s_timqry_handle[i]->timer){ - if((*s_timqry_handle[i]->event)()){ - if(s_timqry_handle[i]->autoreload){ - s_timqry_handle[i]->timer = s_timqry_handle[i]->reload; - } - else{ - s_timqry_handle[i]->timer = ~0; - } - if(s_timqry_handle[i]->hookortask){ - sResumeTask_TimQry(i); - } - else{ - sCallHook_TimQry(i); - } - } - } - } - #endif - - /* 延时定时器 */ - if(true){ - s_tasknode_tsp _SYS_REG_ node_curr = node_head; - i = task_queue_len; - while(true){ - if(node_curr->status == OS_STATUS_BLOCKED){ - if(node_curr->timer && node_curr->timer < (s_delay_t)~0){ - node_curr->timer--; - } - } - if(!--i) break; - move_backward; - } - if(s_sign_ready_delay){ - if(s_task_current->timer && s_task_current->timer < (s_delay_t)~0){ - s_task_current->timer--; - if(!s_task_current->timer){ - s_sign_ready_delay = false; - } - } - } - } - - /* 时间片计数 */ - #if SYSCFG_SAMEPRISCHEDULE == __TIMESHARING__ - if(s_task_current->tc_counter < (s_sharing_t)~0){ - s_task_current->tc_counter++; - } - #endif - - /* 安全运行时 */ - #if SYSCFG_SAFERUNTIME == __ENABLED__ - if(s_task_current->pri && s_task_current->saferuntime){ - s_task_current->srt_counter++; - if(s_task_current->srt_counter > 1UL * s_task_current->saferuntime * OS_TIMESHARING(s_task_current)){ - s_task_current->status = OS_STATUS_OVERTIME; - s_sign_timeout[s_task_current->tid] = true; - #if SYSCFG_DEBUGGING == __ENABLED__ - s_alarm.timedout_saferuntime = true; - #endif - } - } - #endif - - /* 任务管理器相关 */ - #if SYSCFG_DEBUGGING == __ENABLED__ - if(s_sign_taskmgr){ - usedtime[0]++; /*!< CPU使用时间计数 */ - #if SYSCFG_SYSTICKTIME_COUNT == __ENABLED__ - mSysTick_Counting; /*!< 系统滴答时间统计 */ - #endif - } - #endif - - /* 定时调度（触发完整调度）*/ - s_sign_schedule_all = true; - s_sign_schedule = true; - if(!s_sign_schedule_forbid){ - mPendSV_Set; - } -} - -/* 移除节点（从任务队列中移除当前节点）*/ -#define node_remove \ -do{ \ - node_last->next = node_next; \ - node_next->last = node_last; \ - if(node_curr == node_head){ \ - node_head = node_next; \ - } \ - else if(node_curr == node_tail){ \ - node_tail = node_last; \ - } \ - task_queue_len--; \ -}while(false) - -/* 插入方向 */ -#define forward 0x01 /*!< 向前 */ -#define voidward 0x00 /*!< 空向 */ -#define backward 0xFF /*!< 向后 */ - -/* 前插（新节点插入当前节点之前）*/ -#define insert_forward \ -do{ \ - node_news->next = node_curr; \ - node_news->last = node_last; \ - node_last->next = node_news; \ - node_last = node_news; \ - if(node_curr == node_head){ \ - node_head = node_news; \ - } \ - switch(insert_direction){ \ - case forward: \ - insert_direction = voidward; \ - node_midd = node_midd->last; \ - break; \ - case voidward: \ - insert_direction = forward; \ - break; \ - case backward: \ - insert_direction = voidward; \ - break; \ - } \ -}while(false) - -/* 后插（新节点插入当前节点之后）*/ -#define insert_backward \ -do{ \ - node_news->last = node_curr; \ - node_news->next = node_next; \ - node_next->last = node_news; \ - node_next = node_news; \ - if(node_curr == node_tail){ \ - node_tail = node_news; \ - } \ - switch(insert_direction){ \ - case forward: \ - insert_direction = voidward; \ - break; \ - case voidward: \ - insert_direction = backward; \ - break; \ - case backward: \ - insert_direction = voidward; \ - node_midd = node_midd->next; \ - break; \ - } \ -}while(false) - -s_tasknode_tsp _SYS_MEM_ s_task_news = OS_NULL; -#if SYSCFG_DEBUGGING == __ENABLED__ -m_stacksize_t _SYS_MEM_ s_taskstacklen; -#endif - -#if SYSCFG_MCUCORE == 80251 -#pragma functions(static) -#endif -s_u8_t sPendSV_Handler(void) MCUCFG_C51USING -{ - /* 中断挂起服务_FIFO */ - #if MCUCFG_PENDSVFIFO_DEPTH > 0 - mPendSV_FIFOHandle; - #endif - - /* 中断挂起服务_FLAG */ - #if SYSCFG_PENDSVHOOK == __ENABLED__ - pendsv_hook(); - #endif - - /* 更新全局变量副本 */ - #if SYSCFG_GETRTC_INT == __ENABLED__ - if(s_sign_rtc){ - s_sign_rtc = false; - s_update_rtccopy(); - } - #endif - #if SYSCFG_COPYHOOK == __ENABLED__ - sUpdateCopy(copy_hook()); - #endif - - /* 每PendSV监控（假定入栈）*/ - #if SYSCFG_DEBUGGING == __ENABLED__ - if(s_task_current != OS_NULL){ - if(s_task_current->stacklen_max < s_taskstacklen){ - s_task_current->stacklen_max = s_taskstacklen; - if(s_task_current->stacksize < s_taskstacklen){ - s_alarm.overflow_taskstack_future = true; - } - } - } - #endif - - /* 任务调度 */ - if(s_sign_schedule_forbid) return 0; - if(s_sign_schedule){ - static s_u8_t _SYS_MEM_ insert_direction = 0; - s_tasknode_tsp _SYS_REG_ node_buff[3]; - #define node_curr node_buff[0] /*!< 当前节点 */ - #define node_news node_buff[1] /*!< 新加节点 */ - #define node_temp node_buff[2] /*!< 缓存节点 */ - m_bit_t sign_x = false; - #define sign_expired sign_x /*!< 到期信号（时间片已到期）*/ - #define sign_push sign_x /*!< 入栈信号 */ - #if SYSCFG_DEBUGGING == __ENABLED__ - m_tick_t _SYS_REG_ tick_counter; - #endif - s_sign_schedule = false; - - /* 启动任务 */ - if(s_task_starter != OS_NULL){ - if(task_queue_len < OS_TASKQUEUELEN_MAX){ - /* 静态创建 */ - if(*s_task_starter->dualhandle != OS_NULL){ - node_news = (s_tasknode_tsp)s_task_starter; - if(node_news->stacksize < MCUCFG_BASICSTACKSIZE){ - #if SYSCFG_DEBUGGING == __ENABLED__ - s_fault.failed_startuptask = true; - s_fault.overflow_taskstack = true; - #endif - s_startup_code = OS_ECODE_OVERFLOW_TASKSTACK; - goto __STARTUP_END; - } - else{ - mTaskStack_INIT; - } - } - /* 动态创建 */ - else{ - node_news = OS_NULL; - node_news = (s_tasknode_tsp)s_malloc(sizeof(s_tasknode_ts)); - if(node_news != OS_NULL){ - node_news->stacksize = s_task_starter->stacksize; - if(node_news->stacksize < MCUCFG_BASICSTACKSIZE){ - node_news->stacksize = MCUCFG_BASICSTACKSIZE; - node_news->create = 2; - } - else{ - node_news->create = 1; - } - node_news->bsp = OS_NULL; - node_news->bsp = (s_u8_t _MALLOC_MEM_ *)s_malloc(node_news->stacksize); - if(node_news->bsp != OS_NULL){ - mTaskStack_INIT; - node_news->tid = s_task_starter->tid; - node_news->oldpri = s_task_starter->oldpri; - node_news->dualhandle = s_task_starter->dualhandle; - *node_news->dualhandle = node_news; - #if SYSCFG_DEBUGGING == __ENABLED__ - node_news->name = s_task_starter->name; - #endif - #if SYSCFG_SAFERUNTIME == __ENABLED__ - node_news->saferuntime = s_task_starter->saferuntime; - #endif - } - else{ - s_free(node_news); - #if SYSCFG_DEBUGGING == __ENABLED__ - s_fault.failed_startuptask = true; - s_fault.mallocfailed_taskstack = true; - #endif - s_startup_code = OS_ECODE_MALLOCFAIL_TASKSTACK; - goto __STARTUP_END; - } - } - else{ - #if SYSCFG_DEBUGGING == __ENABLED__ - s_fault.failed_startuptask = true; - s_fault.mallocfailed_tasknode = true; - #endif - s_startup_code = OS_ECODE_MALLOCFAIL_TASKNODE; - goto __STARTUP_END; - } - } - /* 公共部分 */ - if(node_news->oldpri <= (s_u8_t)(SYSCFG_TASKPRIORITY - 1)){ - node_news->pri = node_news->oldpri; - } - else{ - node_news->pri = SYSCFG_TASKPRIORITY - 2; - #if SYSCFG_DEBUGGING == __ENABLED__ - s_alarm.outrange_taskpriority = true; - #endif - } - node_news->status = s_task_status0; - node_news->blocktype = 0; - node_news->timer = 0; - node_news->handle = OS_NULL; - #if SYSCFG_SAMEPRISCHEDULE == __TIMESHARING__ - node_news->tc_counter = 0; - #endif - #if SYSCFG_DEBUGGING == __ENABLED__ - node_news->usedtime[0] = 0; - node_news->usedtime[1] = 0; - node_news->stacklen_max = MCUCFG_BASICSTACKSIZE; - #endif - #if SYSCFG_SAFERUNTIME == __ENABLED__ - node_news->srt_counter = 0; - #endif - /* 新任务加入任务队列 */ - if(!task_queue_len){ - node_head = node_midd = node_tail = node_news->last = node_news->next = node_news; - } - else{ - node_curr = node_midd; - if(node_curr != node_tail && node_news->pri <= node_curr->pri){ - do{ - move_backward; - }while(node_curr != node_tail && node_news->pri <= node_curr->pri); - } - else if(node_curr != node_head && node_news->pri > node_curr->pri){ - do{ - move_forward; - }while(node_curr != node_head && node_news->pri > node_curr->pri); - } - if(node_news->pri > node_curr->pri){ - insert_forward; - } - else{ - insert_backward; - } - } - task_queue_len++; - s_startup_code = OS_ECODE_NOERROR; - } - else{ - #if SYSCFG_DEBUGGING == __ENABLED__ - s_fault.failed_startuptask = true; - s_alarm.overflow_taskqueue = true; - #endif - s_startup_code = OS_ECODE_OVERFLOW_TASKQUEUE; - } - __STARTUP_END: - s_task_starter = OS_NULL; - if(s_sign_return){ - if(node_news == u_taskhandle_Sysidle){ - s_sign_return = false; - node_news = u_taskhandle_Starter; - goto __NEWTASK_PREPROCESS; /*!< 首次任务调度 -> 新任务预处理 */ - } - else{ - return 0; - } - } - else if(!s_sign_schedule_all){ - s_switch_ready(node_news); - s_sign_schedule = false; - } - } - - /* - * 任务优先级调整 - * 如果任务优先级发生改变，执行服务时已从任务队列中移除并加入到临时链表。 - * 在此，从临时链表中依次取出各任务，并根据任务优先级重新加入到任务队列。 - */ - if(s_taskpri_tail != OS_NULL){ - node_temp = s_taskpri_tail; - do{ - node_news = node_temp; - node_temp = node_temp->last; - node_curr = node_midd; - if(node_curr != node_tail && node_news->pri <= node_curr->pri){ - do{ - move_backward; - }while(node_curr != node_tail && node_news->pri <= node_curr->pri); - } - else if(node_curr != node_head && node_news->pri > node_curr->pri){ - do{ - move_forward; - }while(node_curr != node_head && node_news->pri > node_curr->pri); - } - if(node_news->pri > node_curr->pri){ - insert_forward; - } - else{ - insert_backward; - } - }while(node_temp != OS_NULL); - s_taskpri_tail = OS_NULL; - } - - /* 调度类型 */ - /* 1、完整调度：从任务队列头节点开始查找就绪 */ - if(s_sign_schedule_all){ - s_sign_schedule_all = false; - s_sign_switch_prigroup = false; - s_task_switch = OS_NULL; - node_curr = node_head; - #if SYSCFG_SAMEPRISCHEDULE == __TIMESHARING__ - node_temp = node_curr; - #endif - } - /* 2、立即切换：从切换任务或其优先级组首节点开始查找就绪 */ - else if(s_task_switch != OS_NULL){ - node_curr = s_task_switch; - #if SYSCFG_SAMEPRISCHEDULE == __COOPERATIVE__ - if(s_sign_switch_prigroup){ - s_sign_switch_prigroup = false; - while(node_last->pri == node_curr->pri){ - move_forward; - } - } - #elif SYSCFG_SAMEPRISCHEDULE == __TIMESHARING__ - while(node_last->pri == node_curr->pri){ - move_forward; - } - node_temp = node_curr; - if(s_sign_switch_prigroup){ - s_sign_switch_prigroup = false; - } - else node_curr = s_task_switch; - #endif - s_task_switch = OS_NULL; - } - /* 3、立即返回：立即返回至当前任务继续运行 */ - #if SYSCFG_SAMEPRISCHEDULE == __COOPERATIVE__ - else if(s_task_current->status == OS_STATUS_READY){ - #elif SYSCFG_SAMEPRISCHEDULE == __TIMESHARING__ - else if(s_task_current->status == OS_STATUS_READY && s_task_current->tc_counter < OS_TIMESHARING(s_task_current)){ - #endif - goto __TASKING_RETURN; - } - /* 4、当前调度：从当前任务或其优先级组首节点开始查找就绪 */ - else{ - node_curr = s_task_current; - #if SYSCFG_SAMEPRISCHEDULE == __COOPERATIVE__ - while(node_last->pri == node_curr->pri){ - move_forward; - } - #elif SYSCFG_SAMEPRISCHEDULE == __TIMESHARING__ - node_temp = node_curr; - #endif - } - - /* 开始调度：更新任务状态并同步查找最高优先级的就绪任务 */ - while(true){ - switch(node_curr->status){ - /* 就绪状态 */ - case OS_STATUS_READY:{ - #if SYSCFG_SAMEPRISCHEDULE == __COOPERATIVE__ - if(true){ - goto __READY_NOW; - } - #elif SYSCFG_SAMEPRISCHEDULE == __TIMESHARING__ - /* 就绪-时间片未到期 */ - if(node_curr->tc_counter < OS_TIMESHARING(node_curr)){ - goto __READY_NOW; - } - /* 就绪-时间片已到期（到期任务必为该优先级组首节点）*/ - else{ - sign_expired = true; - node_curr->tc_counter = 0; - node_news = node_curr; /* 缓存该任务 */ - goto __BACKWARD; - } - #endif - } - /* 阻塞状态 - 定时器为0 -> 变为就绪 - 超时阻塞: 阻塞条件已解除 -> 变为就绪 - 阻塞条件未解除 -> 节点后移 - 延时阻塞: -> 节点后移 - */ - case OS_STATUS_BLOCKED:{ - if(!node_curr->timer) goto __BECOME_READY; - else if(node_curr->blocktype != OS_BLOCKED_DELAY){ - switch(node_curr->blocktype & 0x0F){ - case 0x01: if( *(s_u8_t *)node_curr->handle) goto __BECOME_READY; break; - case 0x02: if( *(s_u16_t *)node_curr->handle) goto __BECOME_READY; break; - case 0x04: if( *(s_u32_t *)node_curr->handle) goto __BECOME_READY; break; - case 0x0F: if(!*(s_u8_t *)node_curr->handle) goto __BECOME_READY; break; - } - } - goto __BACKWARD; - } - /* 超时状态 */ - #if SYSCFG_SAFERUNTIME == __ENABLED__ - case OS_STATUS_OVERTIME:{ - if(!s_sign_timeout[node_curr->tid]) goto __BECOME_READY; - goto __BACKWARD; - } - #endif - /* 删除状态 */ - case OS_STATUS_DELETED:{ - node_remove; - #if SYSCFG_SAMEPRISCHEDULE == __TIMESHARING__ - if(node_temp == node_curr) node_temp = node_next; - #endif - if(node_curr->create){ - s_free(node_curr->bsp); - *node_curr->dualhandle = OS_NULL; - s_free(node_curr); - } - goto __BACKWARD; - } - /* 其它状态 */ - default:{ - goto __BACKWARD; - } - } /* 变为就绪 */ - __BECOME_READY:{ - node_curr->status = OS_STATUS_READY; - #if SYSCFG_SAMEPRISCHEDULE == __TIMESHARING__ - node_curr->tc_counter = 0; - #endif - } /* 已经就绪 */ - __READY_NOW:{ - node_news = node_curr; - break; - } /* 节点后移 */ - __BACKWARD:{ - #if SYSCFG_SAMEPRISCHEDULE == __TIMESHARING__ - if(node_curr->pri != node_next->pri){ - if(sign_expired) break; /* 在该优先级组中，未能找到时间片未到期的就绪任务，继续已到期的就绪任务（已缓存至 node_news）*/ - node_temp = node_next; /* 缓存下一优先级组首节点 */ - } - #endif - move_backward; - } - } - - if(true){ - /* 新任务仍为当前任务 -> 返回 */ - if(node_news == s_task_current){ - goto __TASKING_RETURN; - } - /* 新任务轮转至其优先级组首节点 */ - #if SYSCFG_SAMEPRISCHEDULE == __TIMESHARING__ - else if(node_news != node_temp){ - node_curr = node_news; - while(node_curr->pri == node_next->pri){ - move_backward; - } - if(node_temp == node_head){ - node_head = node_news; - } - else if(node_curr == node_tail){ - node_tail = node_news->last; - } - node_temp->last->next = node_news; - node_news->last->next = node_next; - node_next->last = node_news->last; - node_news->last = node_temp->last; - node_temp->last = node_curr; - node_next = node_temp; - } - #endif - } - - /* 当前任务后处理 */ - if(true){ - #if SYSCFG_SAMEPRISCHEDULE == __TIMESHARING__ - sign_push = false; - #endif - if(s_task_current->status < OS_STATUS_STOPPED){ - /* 入栈监控 */ - #if SYSCFG_DEBUGGING == __ENABLED__ - if(s_task_current->stacksize < s_taskstacklen){ - #if MCUCFG_TASKSTACK_REALLOC == __ENABLED__ - if(s_task_current->create){ - s_task_current->stacksize = s_taskstacklen + MCUCFG_TASKSTACKREALLOC_INC; - s_free(s_task_current->bsp); - s_task_current->bsp = OS_NULL; - s_task_current->bsp = (s_u8_t _MALLOC_MEM_ *)s_malloc(s_task_current->stacksize); - if(s_task_current->bsp != OS_NULL){ - sign_push = true; - s_task_current->create = 2; - s_alarm.realloc_taskstack = true; - } - else{ - s_task_current->status = OS_STATUS_STOPPED_TSRF; - s_fault.reallocfailed_taskstack = true; - } - } - else{ - s_task_current->status = OS_STATUS_STOPPED_TSOF; - s_fault.overflow_taskstack = true; - } - #else - s_task_current->status = OS_STATUS_STOPPED_TSOF; - s_fault.overflow_taskstack = true; - #endif - } - else{ - sign_push = true; - } - #else - sign_push = true; - #endif - } - } - - /* 新任务预处理 */ - __NEWTASK_PREPROCESS:{ - #if SYSCFG_DEBUGGING == __ENABLED__ - if(s_sign_taskmgr) tick_counter = mSysTick_Counter; - #endif - } - - /* 当前任务入栈 */ - if(sign_push){ - #if SYSCFG_SAFERUNTIME == __ENABLED__ - if(s_task_current->pri > node_news->pri){ - s_task_current->srt_counter = 0; - } - #endif - #if SYSCFG_DEBUGGING == __ENABLED__ - if(s_sign_taskmgr) mUsedTime_END; - #endif - mUserReg_CSave; - } - - /* 新任务出栈 */ - if(true){ - if(node_news->blocktype != OS_BLOCKED_DELAY){ - mSysIRQ_Disable; - } - #if SYSCFG_DEBUGGING == __ENABLED__ - if(s_sign_taskmgr) mUsedTime_INIT; - #endif - mUserReg_CRes; - s_task_news = node_news; - } - - if(sign_push) return 2; - else return 1; - } - - __TASKING_RETURN:{ - if(s_task_current->blocktype != OS_BLOCKED_DELAY){ - mSysIRQ_Disable; - } - return 0; - } -}