zigbee無線傳播的例子 應用層

為了做一個課題，不得已要使用上zigbee 的技術上去了，這次是有點急功近利，沒有把cc2530板上面的實驗全部做完，就開始做zigbee 上面的實驗，剛開始的時候看的也是雲裡來霧裡去的，但是研究一段時間後，也慢慢的有了一些感悟，我就把我的寫到了程式碼中去了。一個小例子。

#include "OSAL.h"
#include "ZGlobals.h"
#include "AF.h"
#include "aps_groups.h"
#include "ZDApp.h"

#include "SampleApp.h"
#include "SampleAppHw.h"

#include "OnBoard.h"

/* HAL */
#include "hal_lcd.h"
#include "hal_led.h"
#include "hal_key.h"

/*********************************************************************
 * MACROS
 */

/*********************************************************************
 * CONSTANTS
 */

/*********************************************************************
 * TYPEDEFS
 */

/*********************************************************************
 * GLOBAL VARIABLES
 */
uint8 LedState = 0;
uint8 AppTitle[] = "ALD2530 Group"; //應用程式名稱

// This list should be filled with Application specific Cluster IDs.
const cId_t SampleApp_ClusterList[SAMPLEAPP_MAX_CLUSTERS] =
{
  SAMPLEAPP_PERIODIC_CLUSTERID,
  SAMPLEAPP_FLASH_CLUSTERID
};
//簡單的描述
const SimpleDescriptionFormat_t SampleApp_SimpleDesc =
{
  SAMPLEAPP_ENDPOINT,              //  int Endpoint;
  SAMPLEAPP_PROFID,                //  uint16 AppProfId[2];
  SAMPLEAPP_DEVICEID,              //  uint16 AppDeviceId[2];
  SAMPLEAPP_DEVICE_VERSION,        //  int   AppDevVer:4;
  SAMPLEAPP_FLAGS,                 //  int   AppFlags:4;
  SAMPLEAPP_MAX_CLUSTERS,          //  uint8  AppNumInClusters;
  (cId_t *)SampleApp_ClusterList,  //  uint8 *pAppInClusterList;
  SAMPLEAPP_MAX_CLUSTERS,          //  uint8  AppNumInClusters;
  (cId_t *)SampleApp_ClusterList   //  uint8 *pAppInClusterList;
};

// This is the Endpoint/Interface description.  It is defined here, but
// filled-in in SampleApp_Init().  Another way to go would be to fill
// in the structure here and make it a "const" (in code space).  The
// way it's defined in this sample app it is define in RAM.
endPointDesc_t SampleApp_epDesc;

/*********************************************************************
 * EXTERNAL VARIABLES
 */

/*********************************************************************
 * EXTERNAL FUNCTIONS
 */

/*********************************************************************
 * LOCAL VARIABLES
 */
uint8 SampleApp_TaskID;   // Task ID for internal task/event processing
                          // This variable will be received when
                          // SampleApp_Init() is called.
devStates_t SampleApp_NwkState;

uint8 SampleApp_TransID;  // This is the unique message ID (counter)

afAddrType_t SampleApp_Periodic_DstAddr;
afAddrType_t SampleApp_Flash_DstAddr;

aps_Group_t SampleApp_Group;


uint8 SampleAppPeriodicCounter = 0;
uint8 SampleAppFlashCounter = 0;

/*********************************************************************
 * LOCAL FUNCTIONS
 */
//按鍵處理
void SampleApp_HandleKeys( uint8 shift, uint8 keys );
//訊息處理
void SampleApp_MessageMSGCB( afIncomingMSGPacket_t *pckt );
//週期
void SampleApp_SendPeriodicMessage( void );
void SampleApp_SendFlashMessage( uint16 flashTime );

/*********************************************************************
 * NETWORK LAYER CALLBACKS
 */

/*********************************************************************
 * PUBLIC FUNCTIONS
 */

/*********************************************************************
 * @fn      SampleApp_Init
 *
 * @brief   Initialization function for the Generic App Task.
 *          This is called during initialization and should contain
 *          any application specific initialization (ie. hardware
 *          initialization/setup, table initialization, power up
 *          notificaiton ... ).
 *
 * @param   task_id - the ID assigned by OSAL.  This ID should be
 *                    used to send messages and set timers.
 *
 * @return  none
 */
void SampleApp_Init( uint8 task_id )
{
  SampleApp_TaskID = task_id;
  //初始化 網路的狀態為初始化
  //為後面的網路改變的時候  做出迴應
  SampleApp_NwkState = DEV_INIT;
  SampleApp_TransID = 0;

  // Device hardware initialization can be added here or in main() (Zmain.c).
  // If the hardware is application specific - add it here.
  // If the hardware is other parts of the device add it in main().

 //判斷該裝置是協調器 還是 路由器
 #if defined ( BUILD_ALL_DEVICES )
  // The "Demo" target is setup to have BUILD_ALL_DEVICES and HOLD_AUTO_START
  // We are looking at a jumper (defined in SampleAppHw.c) to be jumpered
  // together - if they are - we will start up a coordinator. Otherwise,
  // the device will start as a router.
  if ( readCoordinatorJumper() )
    zgDeviceLogicalType = ZG_DEVICETYPE_COORDINATOR;
  else
    zgDeviceLogicalType = ZG_DEVICETYPE_ROUTER;
#endif // BUILD_ALL_DEVICES

#if defined ( HOLD_AUTO_START )
  // HOLD_AUTO_START is a compile option that will surpress ZDApp
  //  from starting the device and wait for the application to
  //  start the device.
  ZDOInitDevice(0);
#endif

  // Setup for the periodic message's destination address
  //設定傳送資料的方式和目的地址定址模式
  // Broadcast to everyone
  //設定  週期傳送的地址
  //傳送模式為廣播模式
  SampleApp_Periodic_DstAddr.addrMode = (afAddrMode_t)AddrBroadcast;
  //端點    指定端點號
  SampleApp_Periodic_DstAddr.endPoint = SAMPLEAPP_ENDPOINT;
  //地址 指定目的網路地址為廣播地址
  SampleApp_Periodic_DstAddr.addr.shortAddr = 0xFFFF;

  // Setup for the flash command's destination address - Group 1
  SampleApp_Flash_DstAddr.addrMode = (afAddrMode_t)afAddrGroup; //組定址
  SampleApp_Flash_DstAddr.endPoint = SAMPLEAPP_ENDPOINT;//指定端點號
  SampleApp_Flash_DstAddr.addr.shortAddr = SAMPLEAPP_FLASH_GROUP; //組號1
  //SampleApp_Flash_DstAddr.addr.shortAddr = 0x0002;              //組號2

  // Fill out the endpoint description. 定義本裝置用來通訊的APS層端點描述符
  SampleApp_epDesc.endPoint = SAMPLEAPP_ENDPOINT;//端點號
  SampleApp_epDesc.task_id = &SampleApp_TaskID;
  SampleApp_epDesc.simpleDesc
            = (SimpleDescriptionFormat_t *)&SampleApp_SimpleDesc;//簡單描述
  SampleApp_epDesc.latencyReq = noLatencyReqs;

  // Register the endpoint description with the AF
  afRegister( &SampleApp_epDesc );

  // Register for all key events - This app will handle all key events
  RegisterForKeys( SampleApp_TaskID );

  // By default, all devices start out in Group 1
  SampleApp_Group.ID = 0x0001;//組號
  //SampleApp_Group.ID = 0x0002;
  osal_memcpy( SampleApp_Group.name, "Group 1", 7 );//設定為組名
  aps_AddGroup( SAMPLEAPP_ENDPOINT, &SampleApp_Group );

#if defined ( LCD_SUPPORTED )
  HalLcdWriteString( "SampleApp", HAL_LCD_LINE_1 );
#endif
}

/*********************************************************************
 * @fn      SampleApp_ProcessEvent
 *
 * @brief   Generic Application Task event processor.  This function
 *          is called to process all events for the task.  Events
 *          include timers, messages and any other user defined events.
 *
 * @param   task_id  - The OSAL assigned task ID.
 * @param   events - events to process.  This is a bit map and can
 *                   contain more than one event.
 *
 * @return  none 

    處理事務的東西
 */
uint16 SampleApp_ProcessEvent( uint8 task_id, uint16 events )
{
  afIncomingMSGPacket_t *MSGpkt;
  (void)task_id;  // Intentionally unreferenced parameter

  //得到屬於本系統的訊號
  if ( events & SYS_EVENT_MSG )
  {
    MSGpkt = (afIncomingMSGPacket_t *)osal_msg_receive( SampleApp_TaskID );
    while ( MSGpkt )
    {
      switch ( MSGpkt->hdr.event )
      {
        // Received when a key is pressed
        //當按鍵觸發的時候
        case KEY_CHANGE:
          SampleApp_HandleKeys( ((keyChange_t *)MSGpkt)->state, ((keyChange_t *)MSGpkt)->keys );
          break;

        // Received when a messages is received (OTA) for this endpoint
        case AF_INCOMING_MSG_CMD:
          SampleApp_MessageMSGCB( MSGpkt );
          break;

        // Received whenever the device changes state in the network
        //當網路的狀態發生變化的時候
        case ZDO_STATE_CHANGE:
          SampleApp_NwkState = (devStates_t)(MSGpkt->hdr.status);
          if ( (SampleApp_NwkState == DEV_ZB_COORD) ||
                 (SampleApp_NwkState == DEV_ROUTER)
              || (SampleApp_NwkState == DEV_END_DEVICE) )
          {
            // Start sending the periodic message in a regular interval.
            //osal_start_timerEx( SampleApp_TaskID,
            //                  SAMPLEAPP_SEND_PERIODIC_MSG_EVT,
            //                  SAMPLEAPP_SEND_PERIODIC_MSG_TIMEOUT );
          }
          else
          {
            // Device is no longer in the network
          }
          break;

        default:
          break;
      }

      // Release the memory
      osal_msg_deallocate( (uint8 *)MSGpkt );

      // Next - if one is available
      MSGpkt = (afIncomingMSGPacket_t *)osal_msg_receive( SampleApp_TaskID );
    }

    // return unprocessed events
    return (events ^ SYS_EVENT_MSG);
  }

  // Send a message out - This event is generated by a timer
  //  (setup in SampleApp_Init()).
  if ( events & SAMPLEAPP_SEND_PERIODIC_MSG_EVT )
  {
    // Send the periodic message
    SampleApp_SendPeriodicMessage();

    // Setup to send message again in normal period (+ a little jitter)
    osal_start_timerEx( SampleApp_TaskID, SAMPLEAPP_SEND_PERIODIC_MSG_EVT,
        (SAMPLEAPP_SEND_PERIODIC_MSG_TIMEOUT + (osal_rand() & 0x00FF)) );

    // return unprocessed events
    return (events ^ SAMPLEAPP_SEND_PERIODIC_MSG_EVT);
  }

  // Discard unknown events
  return 0;
}

/*********************************************************************
 * Event Generation Functions
 */
/*********************************************************************
 * @fn      SampleApp_HandleKeys
 *
 * @brief   Handles all key events for this device.
 *
 * @param   shift - true if in shift/alt.
 * @param   keys - bit field for key events. Valid entries:
 *                 HAL_KEY_SW_2
 *                 HAL_KEY_SW_1
 *
 * @return  none
 */
void SampleApp_HandleKeys( uint8 shift, uint8 keys )
{
  (void)shift;  // Intentionally unreferenced parameter

  if ( keys & HAL_KEY_SW_6 )
  {
    #if defined(ZDO_COORDINATOR)      //協調器進行傳送 資料
      SampleApp_SendFlashMessage(1);
    #else                             //路由器和終端才傳送資料
     // SampleApp_SendFlashMessage(0);  //以組播方式發資料
    #endif
  }

  if ( keys & HAL_KEY_SW_1 )
  {
    /* The Flashr Command is sent to Group 1.
     * This key toggles this device in and out of group 1.
     * If this device doesn't belong to group 1, this application
     * will not receive the Flash command sent to group 1.
     */
    aps_Group_t *grp;
    grp = aps_FindGroup( SAMPLEAPP_ENDPOINT, SAMPLEAPP_FLASH_GROUP );
    if ( grp )
    {
      // Remove from the group
      aps_RemoveGroup( SAMPLEAPP_ENDPOINT, SAMPLEAPP_FLASH_GROUP );
    }
    else
    {
      // Add to the flash group
      aps_AddGroup( SAMPLEAPP_ENDPOINT, &SampleApp_Group );
    }
  }
}

/*********************************************************************
 * LOCAL FUNCTIONS
 */

/*********************************************************************
 * @fn      SampleApp_MessageMSGCB
 *
 * @brief   Data message processor callback.  This function processes
 *          any incoming data - probably from other devices.  So, based
 *          on cluster ID, perform the intended action.
 *
 * @param   none
 *
 * @return  non
    接受到請求然後進行處理請求
 */
void SampleApp_MessageMSGCB( afIncomingMSGPacket_t *pkt )
{
  uint8 data;

  switch ( pkt->clusterId )
  {    

    case SAMPLEAPP_PERIODIC_CLUSTERID:
        break;

    //快速的一個
    case SAMPLEAPP_FLASH_CLUSTERID:
        //得到資料
        data = (uint8)pkt->cmd.Data[0];
        //得到的資料如果為0     則燈光置為滅
        //如果得到的資料為其他  Led2 亮
        if(data == 0) 
           HalLedSet(HAL_LED_2, HAL_LED_MODE_OFF);  
        else
           HalLedSet(HAL_LED_2, HAL_LED_MODE_ON); 
        break;
  }
}

/*********************************************************************
 * @fn      SampleApp_SendPeriodicMessage
 *
 * @brief   Send the periodic message.
 *
 * @param   none
 *
 * @return  none
 */
void SampleApp_SendPeriodicMessage( void )
{
  if ( AF_DataRequest( &SampleApp_Periodic_DstAddr, &SampleApp_epDesc,
                       SAMPLEAPP_PERIODIC_CLUSTERID,
                       1,
                       (uint8*)&SampleAppPeriodicCounter,
                       &SampleApp_TransID,
                       AF_DISCV_ROUTE,
                       AF_DEFAULT_RADIUS ) == afStatus_SUCCESS )
  {
  }
  else
  {
    // Error occurred in request to send.
  }
}

/*********************************************************************
 * @fn      SampleApp_SendFlashMessage
 *
 * @brief   Send the flash message to group 1.
 *
 * @param   flashTime - in milliseconds
 *
 * @return  none
 */
void SampleApp_SendFlashMessage( uint16 flashTime )
{
  LedState = ~LedState;

  //傳送了Led狀態
  if ( AF_DataRequest( &SampleApp_Flash_DstAddr, &SampleApp_epDesc,//傳送目的地址＋端點地址和傳送模式
                       SAMPLEAPP_FLASH_CLUSTERID,//源(答覆或確認)終端的描述（比如作業系統中任務ID等）源EP
                       1, // 傳送資料長度
                       &LedState,// 傳送資料緩衝區
                       &SampleApp_TransID, // 任務ID號
                       AF_DISCV_ROUTE, // 有效位掩碼的傳送選項
                       AF_DEFAULT_RADIUS ) == afStatus_SUCCESS )//傳送跳數，通常設定為AF_DEFAULT_RADIUS
  {
    if(LedState == 0)
      HalLedSet(HAL_LED_1, HAL_LED_MODE_ON);  
    else
      HalLedSet(HAL_LED_1, HAL_LED_MODE_OFF); 
  }
  else
  {
    // Error occurred in request to send.
  }
}