cc3200: Make the WDT aware of the servers sleep/wake state.

cc3200/mods/pybwdt.c

@@ -54,6 +54,7 @@
  ******************************************************************************/
 typedef struct {
     bool    servers;
+    bool    servers_sleeping;
     bool    simplelink;
     bool    running;
 }pybwdt_data_t;
@@ -61,7 +62,7 @@ typedef struct {
 /******************************************************************************
  DECLARE PRIVATE DATA
  ******************************************************************************/
-static  pybwdt_data_t   pybwdt_data;
+static  pybwdt_data_t   pybwdt_data = {.servers = false, .servers_sleeping = false, .simplelink = false, .running = false};
 
 /******************************************************************************
  DEFINE PUBLIC FUNCTIONS
@@ -69,12 +70,11 @@ static  pybwdt_data_t   pybwdt_data;
 // must be called in main.c just after initializing the hal
 __attribute__ ((section (".boot")))
 void pybwdt_init0 (void) {
-    pybwdt_data.running = false;
 }
 
 void pybwdt_kick (void) {
     // check that the servers and simplelink are running fine
-    if (pybwdt_data.servers && pybwdt_data.simplelink && pybwdt_data.running) {
+    if ((pybwdt_data.servers || pybwdt_data.servers_sleeping) && pybwdt_data.simplelink && pybwdt_data.running) {
         pybwdt_data.servers = false;
         pybwdt_data.simplelink = false;
         MAP_WatchdogIntClear(WDT_BASE);
@@ -85,6 +85,10 @@ void pybwdt_srv_alive (void) {
     pybwdt_data.servers = true;
 }
 
+void pybwdt_srv_sleeping (bool state) {
+    pybwdt_data.servers_sleeping = state;
+}
+
 void pybwdt_sl_alive (void) {
     pybwdt_data.simplelink = true;
 }

cc3200/mods/pybwdt.h

@@ -34,6 +34,7 @@ extern const mp_obj_base_t pyb_wdt_obj;
 void pybwdt_init0 (void);
 void pybwdt_kick (void);
 void pybwdt_srv_alive (void);
+void pybwdt_srv_sleeping (bool state);
 void pybwdt_sl_alive (void);
 
 #endif /* PYBWDT_H_ */

cc3200/serverstask.c

@@ -121,14 +121,16 @@ void TASK_Servers (void *pvParameters) {
             }
         }
 
-        // set the alive flag for the wdt
-        pybwdt_srv_alive();
-
         if (sleep_sockets) {
             sleep_sockets = false;
+            pybwdt_srv_sleeping(true);
             modusocket_enter_sleep();
+            pybwdt_srv_sleeping(false);
         }
 
+        // set the alive flag for the wdt
+        pybwdt_srv_alive();
+
         // move to the next cycle
         cycle = cycle ? false : true;
         HAL_Delay(SERVERS_CYCLE_TIME_MS);