SAMPLEAPP_ENDPOINT

根据提供的引用内容，可以看出SAMPLEAPP_ENDPOINT是一个端点号，用于配置发送方和接收方的通信。在引用中，可以看到将SAMPLEAPP_ENDPOINT赋值给了endpoint description中的endPoint属性。在引用中，可以看到将SAMPLEAPP_ENDPOINT赋值给了SampleApp_Periodic_DstAddr的endPoint属性。因此，SAMPLEAPP_ENDPOINT是一个用于标识通信端点的数字。

相关问题

SampleApp_Periodic_DstAddr.endPoint = SAMPLEAPP_ENDPOINT;是什么意思

在ZigBee网络中，每个设备都有一个唯一的网络地址和一个端点号。网络地址用于标识设备在网络中的位置，而端点号则用于标识设备上的应用程序。

在SampleApp中，SampleApp_Periodic_DstAddr是一个结构体，用于存储定期数据发送的目标地址信息。其中，endPoint字段表示目标设备的端点号。SAMPLEAPP_ENDPOINT是SampleApp中定义的常量，表示本设备的端点号。

因此，SampleApp_Periodic_DstAddr.endPoint = SAMPLEAPP_ENDPOINT;这句代码的意思是将定期数据发送的目标地址的端点号设置为本设备的端点号，即将定期发送的数据发送到本设备上的应用程序。

在划线处完成SampleApp工程应用层初始化函数代码的注释(用中文简述各段代码)。 void SampleApp_Init( uint8 task_id ) { SampleApp_TaskID = task_id; SampleApp_NwkState = DEV_INIT; SampleApp_TransID = 0; // #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 // SampleApp_Periodic_DstAddr.addrMode = (afAddrMode_t)AddrBroadcast; SampleApp_Periodic_DstAddr.endPoint = SAMPLEAPP_ENDPOINT; SampleApp_Periodic_DstAddr.addr.shortAddr = 0xFFFF; // SampleApp_Flash_DstAddr.addrMode = (afAddrMode_t)afAddrGroup; SampleApp_Flash_DstAddr.endPoint = SAMPLEAPP_ENDPOINT; SampleApp_Flash_DstAddr.addr.shortAddr = SAMPLEAPP_FLASH_GROUP; // SampleApp_epDesc.endPoint = SAMPLEAPP_ENDPOINT; SampleApp_epDesc.task_id = &SampleApp_TaskID; SampleApp_epDesc.simpleDesc=(SimpleDescriptionFormat_t *)&SampleApp_SimpleDesc; 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; osal_memcpy( SampleApp_Group.name, "Group 1", 7 ); aps_AddGroup( SAMPLEAPP_ENDPOINT, &SampleApp_Group ); }

/* SampleApp工程应用层初始化函数 */

void SampleApp_Init( uint8 task_id )
{
// 将任务ID保存到SampleApp_TaskID变量中
SampleApp_TaskID = task_id;
// 初始化网络状态为DEV_INIT
SampleApp_NwkState = DEV_INIT;
// 初始化事务ID为0
SampleApp_TransID = 0;

#if defined ( BUILD_ALL_DEVICES )
// 如果定义了BUILD_ALL_DEVICES编译选项，且定义了HOLD_AUTO_START编译选项，
// 则会通过readCoordinatorJumper函数检测是否连接了一个跳线，以决定设备类型
if ( readCoordinatorJumper() )
zgDeviceLogicalType = ZG_DEVICETYPE_COORDINATOR;
else
zgDeviceLogicalType = ZG_DEVICETYPE_ROUTER;
#endif // BUILD_ALL_DEVICES

#if defined ( HOLD_AUTO_START )
// 如果定义了HOLD_AUTO_START编译选项，则使用ZDOInitDevice(0)函数初始化设备
// 但不会启动ZDApp，等待应用程序启动设备
ZDOInitDevice(0);
#endif

// 初始化SampleApp_Periodic_DstAddr结构体，用于广播消息
SampleApp_Periodic_DstAddr.addrMode = (afAddrMode_t)AddrBroadcast;
SampleApp_Periodic_DstAddr.endPoint = SAMPLEAPP_ENDPOINT;
SampleApp_Periodic_DstAddr.addr.shortAddr = 0xFFFF;

// 初始化SampleApp_Flash_DstAddr结构体，用于发送Flash消息
SampleApp_Flash_DstAddr.addrMode = (afAddrMode_t)afAddrGroup;
SampleApp_Flash_DstAddr.endPoint = SAMPLEAPP_ENDPOINT;
SampleApp_Flash_DstAddr.addr.shortAddr = SAMPLEAPP_FLASH_GROUP;

// 初始化SampleApp_epDesc结构体，用于注册应用层协议栈
SampleApp_epDesc.endPoint = SAMPLEAPP_ENDPOINT;
SampleApp_epDesc.task_id = &SampleApp_TaskID;
SampleApp_epDesc.simpleDesc=(SimpleDescriptionFormat_t *)&SampleApp_SimpleDesc;
SampleApp_epDesc.latencyReq = noLatencyReqs;
afRegister( &SampleApp_epDesc ); // 注册应用层协议栈

// 注册所有键事件，SampleApp将处理所有键事件
RegisterForKeys( SampleApp_TaskID );

// 默认情况下，所有设备都在Group 1中
SampleApp_Group.ID = 0x0001;
osal_memcpy( SampleApp_Group.name, "Group 1", 7 );
aps_AddGroup( SAMPLEAPP_ENDPOINT, &SampleApp_Group );
}