first version cassa
This commit is contained in:
natalija.zlatkova@gmail.com
parent
0ec72832d1
commit
55f248f517
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CONTIKI_PROJECT = serial-test
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PLATFORMS_ONLY = cc26x0-cc13x0
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all: $(CONTIKI_PROJECT)
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CONTIKI = ../..
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PLATFORMS_EXCLUDE = nrf52dk
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#use this to enable TSCH: MAKE_MAC = MAKE_MAC_TSCH
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MAKE_MAC ?= MAKE_MAC_CSMA
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MAKE_NET = MAKE_NET_NULLNET
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include $(CONTIKI)/Makefile.include
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#include "net/netstack.h"
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#include "net/nullnet/nullnet.h"
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#include <stdio.h>
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#include <string.h>
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#include "sys/log.h"
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#define LOG_MODULE "App"
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#define LOG_LEVEL LOG_LEVEL_INFO
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#include "os/dev/serial-line.h"
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#include "arch/cpu/cc26x0-cc13x0/dev/cc26xx-uart.h"
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#include <stdlib.h>
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#define MAX_CUSTOMERS 20
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enum message_type{CASH_OUT_MSG, PRODUCT_MSG, ITEM_ELEM_MSG, BASKET_MSG, START_OF_LIST_PRODUCTS_MSG};
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typedef struct basket_msg
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{
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uint8_t n_products;
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uint8_t customer_id;
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linkaddr_t* address;
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}basket_msg;
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typedef struct user_invoice
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{
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uint8_t n_prods;
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float total_sum;
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uint8_t customer_id;
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linkaddr_t* address_basket;
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uint8_t empty;
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}user_invoice;
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typedef struct cash_out_msg
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{
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uint8_t customer_id;
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}cash_out_msg;
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typedef struct product_msg{
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uint8_t customer_id;
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uint8_t product_id;
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float prize;
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}product_msg;
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typedef struct msg{
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enum message_type msg_type;
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cash_out_msg cash_out;
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product_msg product;
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basket_msg basket;
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}msg;
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PROCESS(cassa_main_process, "Cassa process");
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AUTOSTART_PROCESSES(&cassa_main_process);
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static uint8_t invoice_index(uint32_t customer_id, user_invoice invoices[])
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{
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uint8_t i = 0;
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for(i = 0; i< MAX_CUSTOMERS;i++) {
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if (invoices[i].empty==0 && customer_id == invoices[i].customer_id)
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return i;
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}
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return -1;
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}
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static uint8_t index_free_spot(user_invoice invoices[])
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{
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uint8_t i = 0;
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for(i = 0;i<MAX_CUSTOMERS;i++) {
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if (invoices[i].empty == 1) {
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return i;
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}
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}
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return -1;
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}
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static void input_callback(const void* data, uint16_t len, const linkaddr_t* source_address, const linkaddr_t* destination_address)
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{
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msg received_msg;
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static user_invoice invoices[MAX_CUSTOMERS];
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if (len == sizeof(*data)) {
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memcpy (&received_msg, data, sizeof ((msg *)data));
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LOG_INFO("Received data");
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LOG_INFO_LLADDR(source_address); //this is the link layer address
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LOG_INFO("\n");
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//we need to receive an additional message to start the process of receiving the products because if we start receiving the products immediately
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//in the case of parallel processes we wouldnt know to what client and what basket that product is assosiated with
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if (received_msg.msg_type == BASKET_MSG) {
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uint8_t index = index_free_spot(invoices);
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if (index != -1 ) {
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invoices[index].n_prods = received_msg.basket.n_products;
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invoices[index].total_sum = 0;
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invoices[index].customer_id = received_msg.basket.customer_id;
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invoices[index].address_basket = received_msg.basket.address;
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msg start_sending_list;
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start_sending_list.msg_type = START_OF_LIST_PRODUCTS_MSG;
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nullnet_buf = (uint8_t*)&start_sending_list;
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LOG_INFO("Sending acknowledgment to start sending list of products");
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LOG_INFO_("\n");
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nullnet_len = sizeof(start_sending_list);
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NETSTACK_NETWORK.output((invoices[index].address_basket));
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} else
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printf("Reached max number of customers");
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}
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if (received_msg.msg_type == PRODUCT_MSG) {
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uint8_t index = invoice_index(received_msg.product.customer_id, invoices);
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if (index != -1) {
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if (invoices[index].n_prods > 0) {
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invoices[index].total_sum += received_msg.product.prize;
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invoices[index].n_prods--;
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}
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if (invoices[index].n_prods == 0) {
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printf("Total sum for client %d is %f\n", (int)invoices[index].customer_id, invoices[index].total_sum);
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invoices[index].empty = 1;
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}
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}else
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printf("Customer with that id is not associated to any basket!");
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}
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}
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}
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PROCESS_THREAD(cassa_main_process, ev, data) {
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PROCESS_BEGIN();
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static uint8_t customer_id;
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static msg bro_customer_id;
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cc26xx_uart_set_input(serial_line_input_byte);
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serial_line_init();
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nullnet_buf = (uint8_t*)&bro_customer_id;
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nullnet_set_input_callback(input_callback); //this should be moved down?
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printf("Dear customer, insert your card id\n");
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while (true) {
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PROCESS_WAIT_EVENT_UNTIL(ev == serial_line_event_message);
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printf("Customer's id: %s\n", (char*)data);
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customer_id = atoi(data);
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printf("id: %d\n", (int)customer_id);
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bro_customer_id.msg_type = CASH_OUT_MSG;
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bro_customer_id.cash_out.customer_id = customer_id;
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LOG_INFO("Sending BROADCAST customer id: %d\n", (int)customer_id);
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LOG_INFO_LLADDR(NULL);
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LOG_INFO_("\n");
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nullnet_len = sizeof(bro_customer_id);
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NETSTACK_NETWORK.output(NULL);
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}
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PROCESS_END();
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}
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@ -0,0 +1,43 @@
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/*
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* Copyright (c) 2014, Texas Instruments Incorporated - http://www.ti.com/
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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 copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*---------------------------------------------------------------------------*/
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#ifndef PROJECT_CONF_H_
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#define PROJECT_CONF_H_
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/*---------------------------------------------------------------------------*/
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/* Enable the ROM bootloader */
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#define CCXXWARE_CONF_ROM_BOOTLOADER_ENABLE 1
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/*---------------------------------------------------------------------------*/
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/* Change to match your configuration */
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#define IEEE802154_CONF_PANID 0xABCD
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#define IEEE802154_CONF_DEFAULT_CHANNEL 25
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#define RF_BLE_CONF_ENABLED 1
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/*---------------------------------------------------------------------------*/
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#endif /* PROJECT_CONF_H_ */
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/*---------------------------------------------------------------------------*/
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