[cart] update with new struct names

project/Assigner/Makefile

@@ -0,0 +1,14 @@
+CONTIKI_PROJECT = assigner
+
+PLATFORMS_ONLY = cc26x0-cc13x0
+all: $(CONTIKI_PROJECT)
+
+CONTIKI = ../..
+PROJECT_SOURCEFILES += assigner_fun.c
+
+PLATFORMS_EXCLUDE = nrf52dk
+
+#use this to enable TSCH: MAKE_MAC = MAKE_MAC_TSCH
+MAKE_MAC ?= MAKE_MAC_CSMA
+MAKE_NET = MAKE_NET_NULLNET
+include $(CONTIKI)/Makefile.include

project/Assigner/assigner.c

@@ -0,0 +1,244 @@
+#include "contiki.h"
+#include "net/netstack.h"
+#include "net/nullnet/nullnet.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "sys/log.h"
+#include "sys/clock.h"
+#include "sys/ctimer.h"
+#include "os/dev/leds.h"
+#include "os/dev/serial-line.h"
+#include "arch/cpu/cc26x0-cc13x0/dev/cc26xx-uart.h"
+
+#include "../msg.h"
+#include "assigner_fun.h"
+
+#define LOG_MODULE "App"
+#define LOG_LEVEL LOG_LEVEL_INFO
+#define OPENING_PERIOD (300*CLOCK_SECOND)
+
+
+/*typedef struct cart
+{
+	linkaddr_t* cart_address;
+	uint8_t battery_status;
+	bool assigned;
+	uint32_t customer_id;
+	struct cart *next;
+}cart;*/
+
+
+
+/*typedef struct assigner_msg
+{
+	enum message_type msg_type;
+	//assoc_req_msg request;
+	//assoc_reply_msg reply;
+	uint8_t battery_percentage;
+	uint32_t customer_id;
+}assigner_msg;
+*/
+
+PROCESS(assigner_process, "Assigner process");
+AUTOSTART_PROCESSES(&assigner_process);
+
+cart* cart_list = NULL;
+static bool supermarket_open = true;
+/*
+//function invoked in order to looking for the most charged cart to assign to the new arrived client	
+static cart* cart_selection()
+{	
+	uint8_t highest_battery = 0;
+	cart* selected = NULL;
+	cart* current = cart_list;
+	while(current)
+	{
+		if(!current->assigned && current->battery_status > highest_battery)
+		{
+			highest_battery = current->battery_status;
+			selected = current;
+		}
+		current = current->next;
+	}
+	return selected;		
+}
+
+//Insert a new cart in the list with the battery info just arrived
+static bool insert_cart(uint8_t new_req_battery, linkaddr_t* mac_cart_addr)
+{
+	cart* new_arrived_cart = (cart*)malloc(sizeof(cart));
+	if(new_arrived_cart==NULL)
+	{
+		printf("Association Failed");
+		return false;
+	}
+	else
+	{
+		new_arrived_cart->cart_address = mac_cart_addr;
+		new_arrived_cart->battery_status = new_req_battery;
+		new_arrived_cart->assigned = false;
+		new_arrived_cart->next = cart_list;
+		cart_list = new_arrived_cart;
+	}
+	return true;
+}
+
+//Upgrade the battery status of a cart
+static bool bat_upgrade(linkaddr_t* src_cart_addr, uint8_t battery_level)
+{
+	cart* c = cart_list;
+	//for(c; c && (c->cart_address != src_cart_addr); c = c->next);
+	while(c)
+	{
+		if(c->cart_address != src_cart_addr)
+			c = c->next;
+		else
+			break;
+	} 
+	if(!c)
+	{
+		LOG_INFO("Cart not associated yet!\n");
+		return false;
+	}
+	c->battery_status = battery_level;
+	c->assigned = false;  //a battery status is sent only when the cart is in his place, not with a client. So if the cart was out and the the battery status is received, it is now come back in place. 
+	return true;	
+}
+*/
+
+//Handle the incoming messages, according to the msg_type
+static void input_callback(const void* data, uint16_t len, const linkaddr_t* source_address, const linkaddr_t* destination_address) 
+{
+	a_msg received_msg;
+	linkaddr_t* src = (linkaddr_t*)source_address;	
+	
+	//if(len == sizeof((a_msg *)data)) 
+	
+		memcpy (&received_msg, data, sizeof ((a_msg *)data));
+		LOG_INFO("Received data from: ");
+		LOG_INFO_LLADDR(source_address);	
+		LOG_INFO("\n");
+		
+		if(received_msg.msg_type == ASSOCIATION_REQUEST_MSG) 
+		{
+			//accendere led blu (x mes broadcast)
+			if(insert_cart(received_msg.battery_percentage, src))
+			{
+				a_msg notification;
+				notification.msg_type = ASSOCIATION_REPLY_MSG;
+				LOG_INFO("Sending acknowledgment of successfull association\n");
+				
+				nullnet_buf = (uint8_t*)&notification;
+				nullnet_len = sizeof(notification);
+				NETSTACK_NETWORK.output(src);
+			}
+			LOG_INFO("New cart associated\n");
+		}
+
+		if(received_msg.msg_type == BATTERY_STATUS_MSG) 
+		{
+			//accendere led purple (mex unicast)
+			if(bat_upgrade(src, received_msg.battery_percentage))
+			{
+				LOG_INFO("Battery level upgraded of ");
+				LOG_INFO_LLADDR(src);
+				LOG_INFO("\n");	
+			}	
+		}
+	
+}
+
+//callback function for the ctimer that checks if all the carts have been replaced when the supermarket close
+void check(void *ptr)
+{
+	supermarket_open = !supermarket_open;
+	if(!supermarket_open)
+	{
+		printf("Supermarket closed\n");		
+		cart* c = cart_list;
+		while(c)
+		{	
+			if(c->assigned)
+				printf("Customer id %d hasn't replaced his cart\n", (int)c->customer_id);
+			c = c->next;
+		}
+	}
+	else
+		printf("Supermarket is open!\n");
+	process_poll(&assigner_process);
+		
+}
+
+PROCESS_THREAD(assigner_process, ev, data) 
+{
+
+	static uint8_t customer_id;
+	static a_msg selection_msg;
+	linkaddr_t* dest_addr;
+	static struct ctimer opening_timer;
+	
+	PROCESS_BEGIN();
+
+	cc26xx_uart_set_input(serial_line_input_byte);
+	serial_line_init();
+
+	nullnet_set_input_callback(input_callback);
+
+	ctimer_set(&opening_timer, OPENING_PERIOD, check, NULL);	
+	
+	printf("Supermarket is open!\n");
+	printf("Welcome! Please, insert your card id\n");
+
+	while (true) 
+	{
+		PROCESS_WAIT_EVENT();
+		if(ev == serial_line_event_message)
+		{
+			if(!supermarket_open)
+			{
+				printf("Supermarket is closed! Please, come back tomorrow!\n");
+				leds_on(LEDS_RED);
+			}
+			else
+			{
+				printf("Customer's id: %s\n", (char*)data);
+				customer_id = atoi(data);
+				printf("id: %d\n", (int)customer_id);
+			
+				cart* cart_selected = cart_selection();
+				if(!cart_selected)
+				{
+					printf("No cart available!\n");
+					leds_on(LEDS_RED);
+				}
+			
+				else
+				{
+					cart_selected->assigned = true;
+					cart_selected->customer_id = customer_id;
+				
+
+					//send a notification to the selected cart with the associated customer id
+					selection_msg.msg_type = ASSIGNMENT_MSG;
+					selection_msg.customer_id = customer_id;
+				
+					dest_addr = cart_selected->cart_address;
+	 
+					nullnet_buf = (uint8_t*)&selection_msg;
+					nullnet_len = sizeof(selection_msg);
+					NETSTACK_NETWORK.output(dest_addr);
+
+					printf("Cart unblocked!\n");
+					leds_on(LEDS_GREEN);
+				}
+			}
+		}
+		
+		else if(ev == PROCESS_EVENT_POLL)
+			ctimer_reset(&opening_timer);
+	}
+
+	PROCESS_END();
+}
+

project/Assigner/assigner_fun.c

@@ -0,0 +1,85 @@
+#include "contiki.h"
+#include "net/netstack.h"
+#include "net/nullnet/nullnet.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "sys/log.h"
+#include "sys/clock.h"
+#include "sys/ctimer.h"
+#include "os/dev/leds.h"
+#include "os/dev/serial-line.h"
+#include "arch/cpu/cc26x0-cc13x0/dev/cc26xx-uart.h"
+
+#include "../msg.h"
+#include "assigner_fun.h"
+
+#define LOG_MODULE "App"
+#define LOG_LEVEL LOG_LEVEL_INFO
+
+extern cart* cart_list;
+
+//struct cart cart;
+
+//function invoked in order to looking for the most charged cart to assign to the new arrived client	
+cart* cart_selection()
+{	
+	uint8_t highest_battery = 0;
+	cart* selected = NULL;
+	cart* current = cart_list;
+	while(current)
+	{
+		if(!current->assigned && current->battery_status > highest_battery)
+		{
+			highest_battery = current->battery_status;
+			selected = current;
+		}
+		current = current->next;
+	}
+	return selected;		
+}
+
+//Insert a new cart in the list with the battery info just arrived
+bool insert_cart(uint8_t new_req_battery, linkaddr_t* mac_cart_addr)
+{
+	cart* new_arrived_cart = (cart*)malloc(sizeof(cart));
+	if(new_arrived_cart==NULL)
+	{
+		printf("Association Failed");
+		return false;
+	}
+	else
+	{
+		new_arrived_cart->cart_address = mac_cart_addr;
+		new_arrived_cart->battery_status = new_req_battery;
+		new_arrived_cart->assigned = false;
+		new_arrived_cart->next = cart_list;
+		cart_list = new_arrived_cart;
+	}
+	return true;
+}
+
+//Upgrade the battery status of a cart
+bool bat_upgrade(linkaddr_t* src_cart_addr, uint8_t battery_level)
+{
+	cart* c = cart_list;
+	//for(c; c && (c->cart_address != src_cart_addr); c = c->next);
+	while(c)
+	{
+		if(c->cart_address != src_cart_addr)
+			c = c->next;
+		else
+			break;
+	} 
+	if(!c)
+	{
+		LOG_INFO("Cart not associated yet!\n");
+		return false;
+	}
+	c->battery_status = battery_level;
+	c->assigned = false;  //a battery status is sent only when the cart is in his place, not with a client. So if the cart was out and the the battery status is received, it is now come back in place. 
+	return true;	
+}
+
+
+

project/Assigner/assigner_fun.h

@@ -0,0 +1,27 @@
+#include "contiki.h"
+#include "net/netstack.h"
+#include "net/nullnet/nullnet.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "sys/log.h"
+#include "sys/clock.h"
+#include "sys/ctimer.h"
+#include "os/dev/leds.h"
+#include "os/dev/serial-line.h"
+#include "arch/cpu/cc26x0-cc13x0/dev/cc26xx-uart.h"
+
+typedef struct cart
+{
+	linkaddr_t* cart_address;
+	uint8_t battery_status;
+	bool assigned;
+	uint32_t customer_id;
+	struct cart *next;
+}cart;
+
+cart* cart_selection();
+bool insert_cart(uint8_t new_req_battery, linkaddr_t* mac_cart_addr);
+bool bat_upgrade(linkaddr_t* src_cart_addr, uint8_t battery_level);
+//static void input_callback(const void* data, uint16_t len, const linkaddr_t* source_address, const linkaddr_t* destination_address);
+//void check(void *ptr);

project/Assigner/project-conf.h

@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2014, Texas Instruments Incorporated - http://www.ti.com/
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+/*---------------------------------------------------------------------------*/
+#ifndef PROJECT_CONF_H_
+#define PROJECT_CONF_H_
+/*---------------------------------------------------------------------------*/
+/* Enable the ROM bootloader */
+#define CCXXWARE_CONF_ROM_BOOTLOADER_ENABLE   1
+/*---------------------------------------------------------------------------*/
+/* Change to match your configuration */
+#define IEEE802154_CONF_PANID            0xABCD
+#define IEEE802154_CONF_DEFAULT_CHANNEL      25
+#define RF_BLE_CONF_ENABLED                   1
+/*---------------------------------------------------------------------------*/
+#endif /* PROJECT_CONF_H_ */
+/*---------------------------------------------------------------------------*/

project/Giomba/sendrecv.c

@@ -24,7 +24,7 @@ void net_recv(const void* data, uint16_t len, const linkaddr_t* src, const linka
 
     LOG_INFO("Received %d bytes from ", len); LOG_INFO_LLADDR(src);	LOG_INFO("\n");
 
-    switch ( ((struct Msg*)data)->type ) {
+    switch ( ((msg*)data)->msg_type ) {
         case ASSOCIATION_REPLY_MSG:
             event = CART_EVENT_ASSOCIATED;
             process_post(&cart_main_process, PROCESS_EVENT_MSG, NULL);

project/Giomba/status.c

@@ -10,9 +10,9 @@ void s_not_associated(process_event_t ev, process_data_t data) {
         /* at time expiration, send broadcast message to request association with assigner */
         if (etimer_expired(&broadcast_timer)) {
             printf("[I] Sending association request msg\n");
-            struct Msg msg;
-            msg.type = ASSOCIATION_REQUEST_MSG;
-            net_send(&msg, sizeof(msg), NULL);
+            msg m;
+            m.msg_type = ASSOCIATION_REQUEST_MSG;
+            net_send(&m, sizeof(m), NULL);
             etimer_reset(&broadcast_timer);
         }
     }
@@ -28,16 +28,16 @@ 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);
+        struct battery_msg m;
+        m.msg_type = BATTERY_STATUS_MSG;
+        m.battery_percentage = 77;
+        net_send(&m, sizeof(m), &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;
+        customer_id = ((assign_msg*)pkt.data)->customer_id;
         status = SHOPPING;
     }
 

project/Natalia/cassa.c

@@ -10,55 +10,13 @@
 #include "arch/cpu/cc26x0-cc13x0/dev/cc26xx-uart.h"
 
 #include <stdlib.h>
+#include "../common/supermarket_net.h"
 
 
 
 #define MAX_CUSTOMERS 20
 
-enum message_type{CASH_OUT_MSG, PRODUCT_MSG, ITEM_ELEM_MSG, BASKET_MSG, START_OF_LIST_PRODUCTS_MSG};
 
-typedef struct basket_msg
-{
-	uint8_t n_products;
-	uint8_t customer_id;
-	linkaddr_t* address;
-	
-	
-}basket_msg;
-
-typedef struct user_invoice
-{
-	uint8_t n_prods;
-	float total_sum;
-	uint8_t customer_id;
-	linkaddr_t* address_basket;
-	uint8_t empty;
-	
-	
-}user_invoice;
-
-typedef struct cash_out_msg
-{
-	uint8_t customer_id;
-}cash_out_msg;
-
-typedef struct product_msg{
-	
-	uint8_t customer_id;
-	uint8_t product_id;
-	float prize;
-
-}product_msg;
-
-typedef struct msg{
-	enum message_type msg_type;
-	cash_out_msg cash_out;
-	product_msg product;
-	basket_msg basket;
-	
-	
-    
-}msg;
 
 PROCESS(cassa_main_process, "Cassa process");
 AUTOSTART_PROCESSES(&cassa_main_process);
@@ -104,12 +62,13 @@ static void input_callback(const void* data, uint16_t len, const linkaddr_t* sou
 		//we need to receive an additional message to start the process of receiving the products because if we start receiving the products immediately 
 		//in the case of parallel processes we wouldnt know to what client and what basket that product is assosiated with
 		if (received_msg.msg_type == BASKET_MSG) {
+			basket_msg *basket = (basket_msg*) (&received_msg);
 			uint8_t index = index_free_spot(invoices);
 			if (index != -1 ) {
-				invoices[index].n_prods = received_msg.basket.n_products;
+				invoices[index].n_prods = basket->n_products;
 				invoices[index].total_sum = 0;
-				invoices[index].customer_id = received_msg.basket.customer_id;
-				invoices[index].address_basket = received_msg.basket.address;
+				invoices[index].customer_id = basket->customer_id;
+				invoices[index].address_basket = basket->address;
 				
 				msg start_sending_list;
 				start_sending_list.msg_type = START_OF_LIST_PRODUCTS_MSG;
@@ -126,10 +85,11 @@ static void input_callback(const void* data, uint16_t len, const linkaddr_t* sou
 			printf("Reached max number of customers");
 		}
 		if (received_msg.msg_type == PRODUCT_MSG) {
-			uint8_t index = invoice_index(received_msg.product.customer_id, invoices);
+			product_msg *product = (product_msg*)(&received_msg);
+			uint8_t index = invoice_index(product->customer_id, invoices);
 			if (index != -1) {
 				if (invoices[index].n_prods > 0) {			
-					invoices[index].total_sum += received_msg.product.prize;
+					invoices[index].total_sum += product->prize;
 					invoices[index].n_prods--;
 				}
 				if (invoices[index].n_prods == 0) {
@@ -146,7 +106,7 @@ PROCESS_THREAD(cassa_main_process, ev, data) {
 	PROCESS_BEGIN();
 
 	static uint8_t customer_id;
-	static msg bro_customer_id;
+	static cash_out_msg bro_customer_id;
 	
 	cc26xx_uart_set_input(serial_line_input_byte);
 	serial_line_init();
@@ -165,7 +125,7 @@ PROCESS_THREAD(cassa_main_process, ev, data) {
 		printf("id: %d\n", (int)customer_id);
 
 		bro_customer_id.msg_type = CASH_OUT_MSG;
-		bro_customer_id.cash_out.customer_id = customer_id; 
+		bro_customer_id.customer_id = customer_id; 
 
 		LOG_INFO("Sending BROADCAST customer id: %d\n", (int)customer_id);
 		LOG_INFO_LLADDR(NULL);

project/common/supermarket_net.h

@@ -1,46 +1,82 @@
 #ifndef SUPERMARKET_NET_H
 #define SUPERMARKET_NET_H
 
-enum MsgType {
+enum message_type {
     ASSOCIATION_REQUEST_MSG,
     ASSOCIATION_REPLY_MSG,
     BATTERY_STATUS_MSG,
     ASSIGNMENT_MSG,
+    CASH_OUT_MSG,
     PRODUCT_MSG,
-    CASHOUT_MSG,
-    ITEM_ELEM_MSG
+    ITEM_ELEM_MSG,
+    BASKET_MSG,
+    START_OF_LIST_PRODUCTS_MSG
 };
 
-struct Msg {
-    enum MsgType type;
-    uint8_t test;
-};
+typedef struct msg {
+    enum message_type msg_type;
+}msg;
 
-struct MsgBatteryStatus {
-    enum MsgType type;
+typedef struct assoc_req_msg
+{
+	enum message_type msg_type;
 	uint8_t battery_percentage;
-};
 
-struct MsgAssignment {
-    enum MsgType type;
+}assoc_req_msg;
+
+
+typedef struct assoc_reply_msg
+{
+	enum message_type msg_type;
+}assoc_reply_msg;
+
+
+typedef struct battery_msg
+{
+	enum message_type msg_type;
+	uint8_t battery_percentage;
+}battery_msg;
+
+
+typedef struct assign_msg
+{
+	enum message_type msg_type;
 	uint32_t customer_id;
-};
+}assign_msg;
 
-struct MsgProduct {
-    enum MsgType type;
-    uint32_t product_id;
-    float price;
-};
 
-struct MsgCashOut {
-    enum MsgType type;
-    uint32_t customer_id;
-};
+typedef struct basket_msg
+{
+	enum message_type msg_type;
+	uint8_t n_products;
+	uint8_t customer_id;
+}basket_msg;
 
-struct MsgItemElem {
-    enum MsgType type;
-    float price;
-    bool last;
-};
+
+typedef struct cash_out_msg
+{
+	enum message_type msg_type;
+	uint8_t customer_id;
+}cash_out_msg;
+
+
+typedef struct product_msg
+{
+	enum message_type msg_type;
+	uint8_t customer_id;
+	uint8_t product_id;
+	float prize;
+
+}product_msg;
+
+typedef struct user_invoice
+{
+	uint8_t n_prods;
+	float total_sum;
+	uint8_t customer_id;
+	uint8_t empty;
+
+
+}user_invoice;
 
 #endif