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modified version that saves up memory

This commit is contained in:
natalija.zlatkova@gmail.com 2019-04-12 16:20:00 +02:00
parent e62c4d5501
commit 3393ab5877
1 changed files with 13 additions and 12 deletions
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25
project/Natalia/cassa.c
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@ -19,6 +19,7 @@ enum message_type{CASH_OUT_MSG, PRODUCT_MSG, ITEM_ELEM_MSG, BASKET_MSG, START_OF
typedef struct basket_msg
{
enum message_type msg_type;
uint8_t n_products;
uint8_t customer_id;
linkaddr_t* address;
@ -28,6 +29,7 @@ typedef struct basket_msg
typedef struct user_invoice
{
enum message_type msg_type;
uint8_t n_prods;
float total_sum;
uint8_t customer_id;
@ -39,11 +41,13 @@ typedef struct user_invoice
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;
@ -52,12 +56,7 @@ typedef struct 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");
@ -104,12 +103,13 @@ 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 +126,11 @@ 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 +147,7 @@ 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 +166,7 @@ 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);