[cart] not working

project/Giomba/cart.c

@@ -21,9 +21,8 @@ PROCESS_THREAD(cart_main_process, ev, data) {
     //	SENSORS_ACTIVATE(batmon_sensor);
 
     /*** Variables initialization ***/
-
     status = NOT_ASSOCIATED;
-    etimer_set(&broadcast_timer, 10 * CLOCK_SECOND);
+    etimer_set(&broadcast_timer, 5 * CLOCK_SECOND);
 
     /*** Subsystem initialization ***/
     net_init();
@@ -39,7 +38,9 @@ PROCESS_THREAD(cart_main_process, ev, data) {
                 s_not_associated(ev, data);
                 break;
             break;
-			case ASSOCIATED: break;
+			case ASSOCIATED:
+                s_associated(ev, data);
+            break;
 			case SHOPPING: break;
 			case CASHOUT: break;
 			default: status = NOT_ASSOCIATED; break;

project/Giomba/event.h

@@ -2,7 +2,8 @@
 #define EVENT_H
 
 enum CartEvent {
-    CART_EVENT_ASSOCIATED
+    CART_EVENT_ASSOCIATED,
+    CART_EVENT_ASSIGNED
 } event;
 
 #endif

project/Giomba/sendrecv.c

@@ -29,6 +29,10 @@ void net_recv(const void* data, uint16_t len, const linkaddr_t* src, const linka
             event = CART_EVENT_ASSOCIATED;
             process_post(&cart_main_process, PROCESS_EVENT_MSG, NULL);
         break;
+        case ASSIGNMENT_MSG:
+            event = CART_EVENT_ASSIGNED;
+            process_post(&cart_main_process, PROCESS_EVENT_MSG, NULL);
+        break;
         default:
             LOG_INFO("[W] message type unknown\n");
             break;

project/Giomba/status.c

@@ -3,6 +3,7 @@
 enum CartStatus status;
 struct etimer broadcast_timer;
 linkaddr_t assigner_address;
+uint32_t customer_id;
 
 void s_not_associated(process_event_t ev, process_data_t data) {
     if (ev == PROCESS_EVENT_TIMER) {
@@ -23,4 +24,23 @@ void s_not_associated(process_event_t ev, process_data_t data) {
     }
 }
 
+void s_associated(process_event_t ev, process_data_t data) {
+    if (ev == PROCESS_EVENT_TIMER) {
+        /* now send battery level */
+        printf("[I] Sending battery level\n");
+        struct MsgBatteryStatus msg;
+        msg.type = BATTERY_STATUS_MSG;
+        msg.battery_percentage = 77;
+        net_send(&msg, sizeof(msg), &assigner_address);
+        etimer_reset(&broadcast_timer);
+    }
+    if (ev == PROCESS_EVENT_MSG && *((enum CartEvent*)data) == CART_EVENT_ASSIGNED) {
+        /* cart has been assigned to a new customer */
+        printf("[I] Assigned to customer\n");
+        customer_id = ((MsgAssignment*)pkt.data)->customer_id;
+        status = SHOPPING;
+    }
+
+}
+
 

project/Giomba/status.h

@@ -20,5 +20,6 @@ extern enum CartStatus status;
 extern struct etimer broadcast_timer;
 
 void s_not_associated(process_event_t ev, process_data_t data);
+void s_associated(process_event_t ev, process_data_t data);
 
 #endif

project/common/supermarket_net.h

@@ -13,7 +13,34 @@ enum MsgType {
 
 struct Msg {
     enum MsgType type;
-    int test;
+    uint8_t test;
+};
+
+struct MsgBatteryStatus {
+    enum MsgType type;
+    uint8_t battery_percentage;
+};
+
+struct MsgAssignment {
+    enum MsgType type;
+    uint32_t customer_id;
+};
+
+struct MsgProduct {
+    enum MsgType type;
+    uint32_t product_id;
+    float price;
+};
+
+struct MsgCashOut {
+    enum MsgType type;
+    uint32_t customer_id;
+};
+
+struct MsgItemElem {
+    enum MsgType type;
+    float price;
+    bool last;
 };
 
 #endif