参数资料
型号: EK2505
厂商: Synapse Wireless
文件页数: 37/42页
文件大小: 0K
描述: EVAL KIT FOR SNAP MESH NETWORKNG
标准包装: 1
系列: SNAP™ Network
类型: 收发器,SNAP
频率: 868MHz
适用于相关产品: RF300PC1
已供物品: 3 个板,3 根天线,线缆,CD,文档
其它名称: 746-1042
Also notice that the SS200 SNAP Stick is still running the McastCounter.py script. It
continues to relay messages to the other nodes from Portal even though the scripts
running on those nodes do not otherwise interact with the node.
All of the nodes are independent – they can be running completely different scripts,
and performing completely different functions, all at the same time and continue to
communicate with and pass messages for each other.
Portal Scripting
A fundamental property of SNAP is that all nodes are peers on the network. This
provides tremendous advantages in system design and integration. With SNAP:
?
?
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All nodes are capable of routing mesh traffic
No special node-type is required to form a network
Any node can bridge mesh traffic over a UART port
When you connect your PC to a SNAP Engine with a USB or serial port, you are using
that SNAP Engine as a bridge . This allows Portal to participate as a peer on your SNAP
network. Other SNAP devices see Portal as “just another SNAP node.” Behind the
scenes, the Portal GUI is calling built-in functions on SNAP nodes, and they are calling
built-in functions in Portal. This is all done using SNAP’s RPC (Remote Procedure Call)
based protocol, which is exactly the way all SNAP nodes communicate with each other.
Since Portal is “just another SNAP node,” we can load a script into it! Scripts running on
Portal have all the access to the resources of the PC that the PC’s user has, through
libraries of the Python language. For instance, logging data to a file or database system is
a simple matter using a Portal script.
A simple example of a Portal script is already installed. Select the Portal node in the
Node View window, and use
to upload a new Portal Base File.
EK2500 Users Guide-v1.7
Page 37
of 42
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