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CC2540 : Undefined external "halProcessKeyInterrupt::?relay" referred in hal_key

Hi,

   I am new to the Bluetooth Stack,  Can please any help me I have been getting a Linking Error, I think in the Halkey file. I am using Keyfobdemo project.

ERROR:

Error[e46]: Undefined external "halProcessKeyInterrupt::?relay" referred in hal_key ( C:\Texas Instruments\BLE-CC254x-1.4.0\Projects\ble\Stridalyzer\CC2540DB\

Please help me ASAP.


Thanking you.

Rakesh.