first version cassa

project/Natalia/Makefile

@@ -0,0 +1,12 @@
+CONTIKI_PROJECT = serial-test
+PLATFORMS_ONLY = cc26x0-cc13x0
+all: $(CONTIKI_PROJECT)
+
+CONTIKI = ../..
+
+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/Natalia/cassa.c

@@ -0,0 +1,179 @@
+#include "net/netstack.h"
+#include "net/nullnet/nullnet.h"
+#include <stdio.h>
+#include <string.h>
+#include "sys/log.h"
+#define LOG_MODULE "App"
+#define LOG_LEVEL LOG_LEVEL_INFO
+
+#include "os/dev/serial-line.h"
+#include "arch/cpu/cc26x0-cc13x0/dev/cc26xx-uart.h"
+
+#include <stdlib.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);
+
+static uint8_t invoice_index(uint32_t customer_id, user_invoice invoices[]) 
+{
+
+	uint8_t i = 0;
+	for(i = 0; i< MAX_CUSTOMERS;i++) {
+		if (invoices[i].empty==0 && customer_id == invoices[i].customer_id) 
+				return i;
+			
+	}
+	return -1;
+
+}
+
+static uint8_t index_free_spot(user_invoice invoices[])
+{
+	uint8_t i = 0;
+	for(i = 0;i<MAX_CUSTOMERS;i++) {
+		if (invoices[i].empty == 1) {
+			return i;
+		}
+
+	}
+	return -1;
+
+}
+
+static void input_callback(const void* data, uint16_t len, const linkaddr_t* source_address, const linkaddr_t* destination_address) 
+{
+	msg received_msg;
+		
+	static user_invoice invoices[MAX_CUSTOMERS];
+	
+	
+	if (len == sizeof(*data)) {
+		memcpy (&received_msg, data, sizeof ((msg *)data));
+		LOG_INFO("Received data");
+		LOG_INFO_LLADDR(source_address);	//this is the link layer address
+		LOG_INFO("\n");
+		//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) {
+			uint8_t index = index_free_spot(invoices);
+			if (index != -1 ) {
+				invoices[index].n_prods = received_msg.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;
+				
+				msg start_sending_list;
+				start_sending_list.msg_type = START_OF_LIST_PRODUCTS_MSG;
+				nullnet_buf = (uint8_t*)&start_sending_list;
+				
+				LOG_INFO("Sending acknowledgment to start sending list of products");
+				LOG_INFO_("\n");
+				nullnet_len = sizeof(start_sending_list);
+				NETSTACK_NETWORK.output((invoices[index].address_basket));
+				
+
+
+			} else
+			printf("Reached max number of customers");
+		}
+		if (received_msg.msg_type == PRODUCT_MSG) {
+			uint8_t index = invoice_index(received_msg.product.customer_id, invoices);
+			if (index != -1) {
+				if (invoices[index].n_prods > 0) {			
+					invoices[index].total_sum += received_msg.product.prize;
+					invoices[index].n_prods--;
+				}
+				if (invoices[index].n_prods == 0) {
+					printf("Total sum for client %d is %f\n", (int)invoices[index].customer_id, invoices[index].total_sum);
+					invoices[index].empty = 1;
+				}
+			}else
+			printf("Customer with that id is not associated to any basket!");
+		}
+	}
+}
+
+PROCESS_THREAD(cassa_main_process, ev, data) {
+	PROCESS_BEGIN();
+
+	static uint8_t customer_id;
+	static msg bro_customer_id;
+	
+	cc26xx_uart_set_input(serial_line_input_byte);
+	serial_line_init();
+
+	nullnet_buf = (uint8_t*)&bro_customer_id;
+	nullnet_set_input_callback(input_callback);	//this should be moved down?
+	
+	
+	printf("Dear customer, insert your card id\n");
+
+	while (true) {
+		PROCESS_WAIT_EVENT_UNTIL(ev == serial_line_event_message);
+
+		printf("Customer's id: %s\n", (char*)data);
+		customer_id = atoi(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; 
+
+		LOG_INFO("Sending BROADCAST customer id: %d\n", (int)customer_id);
+		LOG_INFO_LLADDR(NULL);
+		LOG_INFO_("\n");
+		nullnet_len = sizeof(bro_customer_id);
+		NETSTACK_NETWORK.output(NULL);
+	}
+
+	PROCESS_END();
+}
+

project/Natalia/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_ */
+/*---------------------------------------------------------------------------*/