diff --git a/platform/osd-merkur-128/contiki-conf.h b/platform/osd-merkur-128/contiki-conf.h
index 40a9b809b..2b111057b 100644
--- a/platform/osd-merkur-128/contiki-conf.h
+++ b/platform/osd-merkur-128/contiki-conf.h
@@ -182,7 +182,7 @@ typedef unsigned short uip_stats_t;
 #define NETSTACK_CONF_FRAMER      framer_802154
 #define NETSTACK_CONF_RADIO       rf230_driver
 /* CCA theshold energy -91 to -61 dBm (default -77). Set this smaller than the $ */
-#define RF230_CONF_CCA_THRES    -90
+#define RF230_CONF_CCA_THRES    -77
 /* AUTOACK receive mode gives better rssi measurements, even if ACK is never requested */
 #define RF230_CONF_AUTOACK        1
 /* Request 802.15.4 ACK on all packets sent (else autoretry). This is primarily for testing. */
@@ -255,7 +255,7 @@ typedef unsigned short uip_stats_t;
 /* Long csma backoffs will compromise radio cycling; set to 0 for 1 csma */
 #define RF230_CONF_CSMA_RETRIES   0
 /* CCA theshold energy -91 to -61 dBm (default -77). Set this smaller than the $ */
-#define RF230_CONF_CCA_THRES    -90
+#define RF230_CONF_CCA_THRES    -77
 #define SICSLOWPAN_CONF_FRAG      1
 #define SICSLOWPAN_CONF_MAXAGE    3
 /* 211 bytes per queue buffer. Contikimac burst mode needs 15 for a 1280 byte MTU */
diff --git a/platform/osd-merkur-128/contiki-main.c b/platform/osd-merkur-128/contiki-main.c
index 142d6edd7..e842a023d 100644
--- a/platform/osd-merkur-128/contiki-main.c
+++ b/platform/osd-merkur-128/contiki-main.c
@@ -190,7 +190,14 @@ void initialize(void)
 
   /* Redirect stdout */
   rs232_redirect_stdout(RS232_PORT_0);
+#if 0
+  /* Do it my way... */
+  //UBRR0L =  8; UBRR0H = 0; UCSR0A = (0 << U2X0);  // 115.2k  err=-3.5%  
+  //UBRR0L = 16; UBRR0H = 0; UCSR0A = (1 << U2X0);  // 115.2k     2.1%  
+  //UBRR0L =  3; UBRR0H = 0; UCSR0A = (1 << U2X0);  // 500k         0%
+#endif
 
+  rs232_set_input(RS232_PORT_0, serial_line_input_byte);
   clock_init();
 
   if(MCUSR & (1<<PORF )) PRINTD("Power-on reset.\n");
@@ -276,6 +283,7 @@ uint8_t i;
   rf230_set_pan_addr(params_get_panid(),params_get_panaddr(),(uint8_t *)&addr.u8);
   rf230_set_channel(params_get_channel());
   rf230_set_txpower(params_get_txpower());
+//  rf230_set_cca_threshold(params_get_txpower());
 
 #if NETSTACK_CONF_WITH_IPV6
   PRINTA("EUI-64 MAC: %x-%x-%x-%x-%x-%x-%x-%x\n",addr.u8[0],addr.u8[1],addr.u8[2],addr.u8[3],addr.u8[4],addr.u8[5],addr.u8[6],addr.u8[7]);
@@ -312,7 +320,7 @@ uint8_t i;
 #endif
 
   process_start(&sensors_process, NULL);
-
+  serial_line_init();
   /* Autostart other processes */
   autostart_start(autostart_processes);
 
diff --git a/platform/osd-merkur-128/params.c b/platform/osd-merkur-128/params.c
index f9cab9f0e..6b866f025 100644
--- a/platform/osd-merkur-128/params.c
+++ b/platform/osd-merkur-128/params.c
@@ -276,4 +276,71 @@ params_get_txpower(void) {
   }
   return x;
 }
+uint8_t
+params_get_ccathresholds(void) {
+  uint8_t x;
+  size_t  size = 1;
+  if (settings_get(SETTINGS_KEY_TXPOWER, 0,(unsigned char*)&x, &size) == SETTINGS_STATUS_OK) {
+    PRINTD("<-Get tx power of %d (0=max)\n",x);
+  } else {
+    x=PARAMS_TXPOWER;
+    if (settings_add_uint8(SETTINGS_KEY_TXPOWER,x)==SETTINGS_STATUS_OK) {
+      PRINTD("->Set EEPROM tx power of %d (0=max)\n",x);
+    }
+  }
+  return x;
+}
+
+settings_status_t 
+params_save_panid(void) {
+  radio_value_t value;
+
+  settings_status_t rx=SETTINGS_STATUS_OK;
+  	
+  if(NETSTACK_RADIO.get_value(RADIO_PARAM_PAN_ID, &value) == RADIO_RESULT_OK) {
+    printf("%d\n", value);
+    if(settings_set_uint16(SETTINGS_KEY_PAN_ID, value) != SETTINGS_STATUS_OK) {
+      printf("settings-panid: `save` failed: \n");
+      rx = SETTINGS_STATUS_FAILURE;
+    }
+  } else {
+      rx = SETTINGS_STATUS_FAILURE;	  
+  }
+  return rx; 
+}
+
+settings_status_t 
+params_save_channel(void) {
+  radio_value_t value;
+  settings_status_t rx=SETTINGS_STATUS_OK;
+  	
+  if(NETSTACK_RADIO.get_value(RADIO_PARAM_CHANNEL, &value) == RADIO_RESULT_OK) {
+    printf("%d\n", value);
+    if(settings_set_uint8(SETTINGS_KEY_CHANNEL, value) != SETTINGS_STATUS_OK) {
+      printf("settings-channel: `save` failed: \n");
+      rx = SETTINGS_STATUS_FAILURE;
+    }
+  } else {
+      rx = SETTINGS_STATUS_FAILURE;	  
+  }
+  return rx; 
+}
+
+settings_status_t 
+params_save_txpower(void) {
+  radio_value_t value;
+  settings_status_t rx=SETTINGS_STATUS_OK;
+  	
+  if(NETSTACK_RADIO.get_value(RADIO_PARAM_TXPOWER, &value) == RADIO_RESULT_OK) {
+    printf("%d\n", value);
+    if(settings_set_uint8(SETTINGS_KEY_TXPOWER, value) != SETTINGS_STATUS_OK) {
+      printf("settings-txpower: `save` failed: \n");
+      rx = SETTINGS_STATUS_FAILURE;
+    }
+  } else {
+      rx = SETTINGS_STATUS_FAILURE;	  
+  }
+  return rx; 
+}
+
 #endif /* CONTIKI_CONF_SETTINGS_MANAGER */
diff --git a/platform/osd-merkur-128/params.h b/platform/osd-merkur-128/params.h
index a0a00285e..c2ab5e147 100644
--- a/platform/osd-merkur-128/params.h
+++ b/platform/osd-merkur-128/params.h
@@ -59,6 +59,16 @@ extern uint8_t eemem_domain_name[30];
 #else
 #define PARAMS_NODEID 0
 #endif
+#ifdef CHANNEL_802_15_4
+#define PARAMS_CHANNEL CHANNEL_802_15_4
+#else
+#define PARAMS_CHANNEL 26
+#endif
+#ifdef IEEE802154_PANID
+#define PARAMS_PANID IEEE802154_PANID
+#else
+#define PARAMS_PANID 0xABCD
+#endif
 #ifdef IEEE802154_PANADDR
 #define PARAMS_PANADDR IEEE802154_PANADDR
 #else
@@ -90,8 +100,8 @@ uint8_t params_get_eui64(uint8_t *eui64);
 /* Hard coded program flash parameters */
 #define params_get_servername(...) 
 #define params_get_nodeid(...)  PARAMS_NODEID
-#define params_get_channel(...) CHANNEL_802_15_4
-#define params_get_panid(...)   IEEE802154_PANID
+#define params_get_channel(...) PARAMS_CHANNEL
+#define params_get_panid(...)   PARAMS_PANID
 #define params_get_panaddr(...) PARAMS_PANADDR
 #define params_get_txpower(...) PARAMS_TXPOWER
 #else
@@ -101,6 +111,11 @@ uint8_t params_get_channel(void);
 uint16_t params_get_panid(void);
 uint16_t params_get_panaddr(void);
 uint8_t params_get_txpower(void);
+settings_status_t params_save_nodeid(void);
+settings_status_t params_save_channel(void);
+settings_status_t params_save_panid(void);
+settings_status_t params_save_panaddr(void);
+settings_status_t params_save_txpower(void);
 #endif
 
 #endif /* PARAMS_H_ */