93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
/*
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* Copyright (c) 2017, RISE SICS.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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#include "net/netstack.h"
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#include "net/nullnet/nullnet.h"
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#include "os/net/linkaddr.h"
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#include "os/dev/button-hal.h"
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#include "os/dev/leds.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "sys/log.h"
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#include "sys/clock.h"
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#include "contiki.h"
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#define LOG_MODULE "App"
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#define LOG_LEVEL LOG_LEVEL_INFO
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// !! TO INIT WITH CART MAC ADDRESS !! //
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static linkaddr_t dest_addr = {{0x00, 0x12, 0x4b, 0x00, 0x0f, 0x82, 0x18, 0x04}};
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struct Product {
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char name[20];
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char expiration_date[8]; // gg/mm/yy
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double price;
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};
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struct Product product_list[] = {
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{ "latte" , "21/12/19", 1.05 },
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{ "pane" , "12/05/19", 3.25 },
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{ "cioccolato", "05/05/21", 2.50 }
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};
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PROCESS(product_proc, "product random generator");
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AUTOSTART_PROCESSES(&product_proc);
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void scan_product(struct Product *p){
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nullnet_buf = (uint8_t *)p;
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nullnet_len = sizeof(*p);
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NETSTACK_NETWORK.output(&dest_addr);
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LOG_INFO("Product %s scanned from ", p->name);
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LOG_INFO_LLADDR(&dest_addr);
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LOG_INFO_("\n");
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}
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PROCESS_THREAD(product_proc, ev, data){
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PROCESS_BEGIN();
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// init random number generator
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unsigned int magic_seed = 12; // oooh :o
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srand(magic_seed);
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while(1) {
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PROCESS_YIELD();
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if (ev == button_hal_press_event){
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// product generation
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unsigned int index = rand() % 3;
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scan_product(&product_list[index]);
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}
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}
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PROCESS_END();
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}
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