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CC2640 修改attDeviceName的问题

我在测试修改attDeviceName的时候发现一个问题:

修改之后Android会马上修改;iOS 的APP需要连接之后才能显示修改成功。请问这个该怎么解决啊?

附:

1、iOS APP:lightblue、sensortag(TI )

2、在论坛上看到www.deyisupport.com/.../114221.aspx这个帖子,也是问的同样的问题。但是为什么信驰达的模块就可以马上修改成功呢?

3、修改名字程序如下:

GGS_SetParameter(GGS_DEVICE_NAME_ATT, GAP_DEVICE_NAME_LEN, attDeviceName);

GAPRole_SetParameter(GAPROLE_SCAN_RSP_DATA, len, scanRspData);

// Updata device name
GAP_UpdateAdvertisingData(selfEntity, FALSE, len, scanRspData);