+#define RF230_ALARM_MICROSEC (RF230_ALARM_SEC / 1000000.0)
+
+/* This is the default value of the TX_PWR field of the PHY_TX_PWR register. */
+#ifndef RF230_DEF_RFPOWER
+#define RF230_DEF_RFPOWER 0
+#endif
+
+/* This is the default value of the CHANNEL field of the PHY_CC_CCA register. */
+#ifndef RF230_DEF_CHANNEL
+#define RF230_DEF_CHANNEL 11
+#endif