drivers/wireless/gs2200m: Add power-save and sync-loss interval

Add power save control and sync loss interval on GS2200M.

(cherry picked from commit 697bbff)

drivers/wireless/Kconfig

@@ -56,6 +56,17 @@ config WL_GS2200M_CHECK_VERSION
 	bool "Check the version of GS2200M"
 	default n
 
+config WL_GS2200M_SYNC_INTERVAL
+	int "Sync loss interval in station mode (100ms)"
+	default 100
+	range 1 63325
+	---help---
+		Time interval to recognize dis-association situation.
+		The value indicate n times of Wi-Fi beacon. If the node
+		lost receiving beacon n times, behave as dis-associtaion.
+		Time difference between 2 beacons are approximetely 100 msec.
+		So the unit of the value is 100 ms.
+
 config WL_GS2200M_LOGLEVEL
 	int "Log level"
 	default 0

drivers/wireless/gs2200m.c

@@ -2130,6 +2130,34 @@ static enum pkt_type_e gs2200m_activate_wrx(FAR struct gs2200m_dev_s *dev,
   return gs2200m_send_cmd2(dev, cmd);
 }
 
+/****************************************************************************
+ * Name: gs2200m_powersave_wrx
+ * NOTE: See 9.1.1 Active Radio Receive
+ ****************************************************************************/
+
+static enum pkt_type_e gs2200m_powersave_wrx(FAR struct gs2200m_dev_s *dev,
+                                             uint8_t on)
+{
+  char cmd[30];
+
+  snprintf(cmd, sizeof(cmd), "AT+WRXPS=%d\r\n", on);
+  return gs2200m_send_cmd2(dev, cmd);
+}
+
+/****************************************************************************
+ * Name: gs2200m_syncloss
+ * NOTE: See 5.1.4 Sync loss interval
+ ****************************************************************************/
+
+static enum pkt_type_e gs2200m_syncloss(FAR struct gs2200m_dev_s *dev,
+                                            int val)
+{
+  char cmd[30];
+
+  snprintf(cmd, sizeof(cmd), "AT+WSYNCINTRL=%d\r\n", val);
+  return gs2200m_send_cmd2(dev, cmd);
+}
+
 /****************************************************************************
  * Name: gs2200m_set_gpio
  * NOTE: See 10.3 GPIO Commands
@@ -2685,6 +2713,11 @@ static int gs2200m_ioctl_assoc_sta(FAR struct gs2200m_dev_s *dev,
 
   dev->disassociate_flag = false;
 
+  /* Sync lost time interval */
+
+  t = gs2200m_syncloss(dev, CONFIG_WL_GS2200M_SYNC_INTERVAL);
+  ASSERT(TYPE_OK == t);
+
   return OK;
 }
 
@@ -3429,6 +3462,11 @@ static int gs2200m_start(FAR struct gs2200m_dev_s *dev)
   t = gs2200m_activate_wrx(dev, 1);
   ASSERT(TYPE_OK == t);
 
+  /* Power save disable */
+
+  t = gs2200m_powersave_wrx(dev, 0);
+  ASSERT(TYPE_OK == t);
+
   /* Set Bulk Data mode */
 
   t = gs2200m_enable_bulk(dev, 1);