MAC: Configurable data whitening (ARMmbed#2393)

Author: Jarkko Paso

nanostack/mlme.h

@@ -264,6 +264,7 @@ typedef enum {
     macAutoRequestKeyIndex = 0x7b,  /*<The index of the key used for automatic data*/
     macDefaultKeySource = 0x7c,      /*<Default key source*/
     //NON standard extension
+    macSetDataWhitening = 0xf3,     /*< Enable or disable data whitening, boolean true for enable, false for disable */
     macCCAThresholdStart = 0xf4,    /*< Start automatic CCA threshold */
     macDevicePendingAckTrig = 0xf5, /*< Trig Pending ACK for Accepted Data packet for temporary neighbour */
     mac802_15_4Mode = 0xf6,         /*<IEEE 802.15.4 mode*/

nanostack/platform/arm_hal_phy.h

@@ -81,6 +81,7 @@ typedef enum {
     PHY_EXTENSION_SET_TX_POWER, /**<  Set TX output power which is given as percentage of maximum. 0 is the lowest possible TX power and 100 is the highest possible TX power */
     PHY_EXTENSION_SET_CCA_THRESHOLD, /**<  Set CCA threshold which is given as percentage of maximum threshold. 0 is the lowest(strictest) possible threshold and 100 is the highest possible threshold */
     PHY_EXTENSION_SET_CHANNEL_CCA_THRESHOLD, /**<  Set CCA threshold which is given as dBm. This value is set in PHY_LINK_CCA_PREPARE callback and PHY driver should update the CCA threshold configuration */
+    PHY_EXTENSION_SET_DATA_WHITENING, /**<  Enable or disable data whitening. Boolean true for enable, false for disable */
     PHY_EXTENSION_SET_802_15_4_MODE /**<  Set IEEE 802.15.4 mode as defined by phy_802_15_4_mode_t*/
 } phy_extension_type_e;
 

source/MAC/IEEE802_15_4/mac_mlme.c

@@ -807,6 +807,11 @@ int8_t mac_mlme_set_req(protocol_interface_rf_mac_setup_s *rf_mac_setup, const m
                 memcpy(rf_mac_setup->coord_long_address, set_req->value_pointer, 8);
             }
             return 0;
+        case macSetDataWhitening:
+            pu8 = (uint8_t *) set_req->value_pointer;
+            rf_mac_setup->dev_driver->phy_driver->extension(PHY_EXTENSION_SET_DATA_WHITENING, pu8);
+            tr_debug("%s data whitening", *pu8 == (bool) true ? "Enable" : "Disable");
+            return 0;
         case macCCAThresholdStart:
             pu8 = (uint8_t *) set_req->value_pointer;
             mac_cca_thr_init(rf_mac_setup, *pu8, *((int8_t *)pu8 + 1), *((int8_t *)pu8 + 2), *((int8_t *)pu8 + 3));