/*********************************************************************
*                    SEGGER Microcontroller GmbH                     *
*                        The Embedded Experts                        *
**********************************************************************
*                                                                    *
*            (c) 1995 - 2019 SEGGER Microcontroller GmbH             *
*                                                                    *
*       www.segger.com     Support: support@segger.com               *
*                                                                    *
**********************************************************************
*                                                                    *
*       SEGGER SystemView * Real-time application analysis           *
*                                                                    *
**********************************************************************
*                                                                    *
* All rights reserved.                                               *
*                                                                    *
* SEGGER strongly recommends to not make any changes                 *
* to or modify the source code of this software in order to stay     *
* compatible with the SystemView and RTT protocol, and J-Link.       *
*                                                                    *
* Redistribution and use in source and binary forms, with or         *
* without modification, are permitted provided that the following    *
* condition is met:                                                  *
*                                                                    *
* o Redistributions of source code must retain the above copyright   *
*   notice, this condition and the following disclaimer.             *
*                                                                    *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND             *
* CONTRIBUTORS "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 SEGGER Microcontroller 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.                                                            *
*                                                                    *
**********************************************************************
*                                                                    *
*       SystemView version: 3.30                                    *
*                                                                    *
**********************************************************************
-------------------------- END-OF-HEADER -----------------------------

File    : SEGGER_SYSVIEW_AliOSThings.c
Purpose : Interface between AliOS Things and SystemView.
Revision: $Rev: 7947 $
*/
#include "k_api.h"
#include "SEGGER_SYSVIEW.h"

/*********************************************************************
*
*       _cbSendTaskList()
*
*  Function description
*    This function is part of the link between FreeRTOS and SYSVIEW.
*    Called from SystemView when asked by the host, it uses SYSVIEW
*    functions to send the entire task list to the host.
*/
static void _cbSendTaskList(void) {
    klist_t    *taskhead = &g_kobj_list.task_head;
    klist_t    *taskend  = taskhead;
    klist_t    *tmp;
    ktask_t    *task;

    krhino_sched_disable();
    for (tmp = taskhead->next; tmp != taskend; tmp = tmp->next) {
      task = krhino_list_entry(tmp, ktask_t, task_stats_item);
      SYSVIEW_SendTaskInfo((U32)task, task->task_name, task->prio, (U32)task->task_stack_base, task->stack_size);
    }
    krhino_sched_enable();
}

/*********************************************************************
*
*       _cbGetTime()
*
*  Function description
*    This function is part of the link between FreeRTOS and SYSVIEW.
*    Called from SystemView when asked by the host, returns the
*    current system time in micro seconds.
*/
static U64 _cbGetTime(void) {
  return aos_now_ms();
}

/*********************************************************************
*
*       Global functions
*
**********************************************************************
*/

/*********************************************************************
*
*       SYSVIEW_SendTaskInfo()
*
*  Function description
*    Record task information.
*/
void SYSVIEW_SendTaskInfo(U32 TaskID, const char* sName, unsigned Prio, U32 StackBase, unsigned StackSize) {
  SEGGER_SYSVIEW_TASKINFO TaskInfo;

  memset(&TaskInfo, 0, sizeof(TaskInfo)); // Fill all elements with 0 to allow extending the structure in future version without breaking the code
  TaskInfo.TaskID     = TaskID;
  TaskInfo.sName      = sName;
  TaskInfo.Prio       = Prio;
  TaskInfo.StackBase  = StackBase;
  TaskInfo.StackSize  = StackSize;
  SEGGER_SYSVIEW_SendTaskInfo(&TaskInfo);
}

/*********************************************************************
*
*       Public API structures
*
**********************************************************************
*/
// Callbacks provided to SYSTEMVIEW by FreeRTOS
const SEGGER_SYSVIEW_OS_API SYSVIEW_X_OS_TraceAPI = {
  _cbGetTime,
  _cbSendTaskList,
};

/*************************** End of file ****************************/