+ // Security is not used for this packet
+ // Make sure to set mode to 0 and the others to the default values
+ CTR_SECCTRL0 = ((0 << CC2420_SECCTRL0_SEC_MODE) |
+ (1 << CC2420_SECCTRL0_SEC_M) |
+ (1 << CC2420_SECCTRL0_SEC_TXKEYSEL) |
+ (1 << CC2420_SECCTRL0_SEC_CBC_HEAD)) ;
+
+ call CSN.clr();
+ call SECCTRL0.write(CTR_SECCTRL0);
+ call CSN.set();
+