是程序大小超过256K了吗？提示装不下了？

Building configuration: GenericApp - RouterEB Updating build tree... ROUTER.c Linking Error[e104]: Failed to fit all segments into specified ranges. Problem discovered in segment XDATA_N. Unable to place 2 block(s) (0xc02 byte(s) total) in 0xbf3 byte(s) of memory. The problem occurred while processing the segment placement command "-P(XDATA)XDATA_N=_XDATA_START-_XDATA_END", where at the moment of placement the available memory ranges were "XDATA:130d-1eff" Error while running Linker Total number of errors: 1 Total number of warnings: 0

请问怎么解决？

应该是内存空间不足了 试着缩短你的代码，或者减少变量数。  可参考帖子https://www.deyisupport.com/question_answer/wireless_connectivity/f/45/t/16467.aspx