CC2530 Note 1:( ProcessEvent, MSGpkt, MessageMSGCB)
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搞了半天CC2530 GenericApp 的总结:
最概况的话是
事件(Events) 触发 用户函数XXXApp_ProcessEvent()
判断event 类型
1. System event: 接收MSGpkt
判断 MSGpkt-> hdr.event: case : XXXApp_MessageMSGCB或者xxx_SendTheMessage()
2. 自定义Event: 自定义函数func()
具体追溯:
1. 系统运行函数:
void osal_run_system( void ){ uint8 idx = 0; .... do { if (tasksEvents[idx]) // 检测触发事件 { break; } } while (++idx < tasksCnt); if (idx < tasksCnt) { uint16 events; halIntState_t intState; HAL_ENTER_CRITICAL_SECTION(intState); //关闭中断 events = tasksEvents[idx]; tasksEvents[idx] = 0; // Clear the Events for this task. HAL_EXIT_CRITICAL_SECTION(intState); activeTaskID = idx; events = (tasksArr[idx])( idx, events ); // 执行用户应用, 用户的idx在taskArry[ ]对应的是XXXApp_Process_Event(idx,events) activeTaskID = TASK_NO_TASK; HAL_ENTER_CRITICAL_SECTION(intState); tasksEvents[idx] |= events; // Add back unprocessed events to the current task. HAL_EXIT_CRITICAL_SECTION(intState); } //..........}
备注:
OSAL_XXXApp.c 中
将XXXApp_ProcessEvent 加入taskArry[ ]:
taskArr[idx] = XXXApp_Process_Event(idx, events):
初始化 tasksArr [ ]:
osalInitTasks():XXXApp_Init(idx)
2. 触发Process_Event(idx,events):
执行过程:
XXXApp_Process_Event(idx, events):
if (events & SYS_EVENT_MSG)
MSGpkt = osal_msg_receive(idx); 消息列表里收消息
switch MSGpkt->hdr.event:
消息是否为命令(Cluster)种类 (最常用的!)
case AF_INCOMING_MSG_CMD:
XXXApp_MessageMSGCB(MSGpkt);
MessageMSGCB里面格式: [switch ( pkt->clusterId ) case GENERICAPP_CLUSTERID: 自定义XXX()]
消息是否为设备状态改变(终端加入网络时会用到!)
case ZDO_STATE_CHANGE:
XXXApp_NwkState = (devStates_t)(MSGpkt->hdr.status);
if ( XXXApp_NwkState ==DEV_ZB_COORD/DEV_ROUTER/DEV_END_DEVICE )
XXXApp_SendTheMessage();
还没研究清楚==:case ZDO_CB_MSG: XXXApp_ProcessZDOMsgs(MSGpkt);
消息是按键case KEY_CHANGE: XXXApp_HandleKeys( MSGpkt)->state, MSGpkt)->keys );
//自己定义MSG_EVT和函数:
if (events & XXXApp_SEND_MSG_EVT)XXXApp_SendTheMessage()
(什么时候会用到还没搞明白。。。待更新)
一些小细节:
1. Coordinator's short address is fixed to 0x0000
比如要发送给 coordinator:先设置my_DstAddr.addr.shortAddr = 0x0000, 然后AF_DataRequest(&my_DstAddr, ....)
2. 在 SimpleDescriptionFormat_t 中AppNumIn(Out)Clusters的含义
举例:(《Zigbee无线传感器网络设计与实现》pp43~57)
Coordinator:只接收一种命令,不发送命令时
const SimpleDescriptionFormat_t GenericApp_SimpleDesc ={ GENERICAPP_ENDPOINT, // int Endpoint; GENERICAPP_PROFID, // uint16 AppProfId[2]; GENERICAPP_DEVICEID, // uint16 AppDeviceId[2]; GENERICAPP_DEVICE_VERSION, // int AppDevVer:4; GENERICAPP_FLAGS, // int AppFlags:4; GENERICAPP_MAX_CLUSTERS, // byte AppNumInClusters; (cId_t *)GenericApp_ClusterList, // byte *pAppInClusterList; 0, // byte AppNumOutClusters; (cId_t *)NULL // byte *pAppOutClusterList; };
Enddeivce:只发送一种命令,不接收命令时
const SimpleDescriptionFormat_t GenericApp_SimpleDesc ={ GENERICAPP_ENDPOINT, // int Endpoint; GENERICAPP_PROFID, // uint16 AppProfId[2]; GENERICAPP_DEVICEID, // uint16 AppDeviceId[2]; GENERICAPP_DEVICE_VERSION, // int AppDevVer:4; GENERICAPP_FLAGS, // int AppFlags:4; 0, // byte AppNumInClusters; (cId_t *)NULL, // byte *pAppInClusterList; GENERICAPP_MAX_CLUSTERS, // byte AppNumOutClusters; (cId_t *)GenericApp_ClusterList // byte *pAppOutClusterList;};
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