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first version cassa

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natalija.zlatkova@gmail.com 2019-04-06 17:34:46 +02:00
parent 0ec72832d1
commit 55f248f517
3 changed files with 234 additions and 0 deletions
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12
project/Natalia/Makefile Normal file
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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

179
project/Natalia/cassa.c Normal file
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#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();
}

43
project/Natalia/project-conf.h Normal file
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/*
* 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_ */
/*---------------------------------------------------------------------------*/