本文档是grain公司的gm8180开发板芯片数据手册。-This document is the grain' s gm8180 chip development board data sheet.

此文档是grain公司gm8180芯片的编程开发手册。-This document is the grain' s gm8180 chip Programming Guide.

The sensor nodes of a wireless grain depot surveillance system are deployed in crystal grids, which provide lot of valid position information. To avoid the energy consumption unbalance of the single hop routing model adopted by LEACH prot