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modified version that saves up memory

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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 typedef struct basket_msg
{ {
enum message_type msg_type;
uint8_t n_products; uint8_t n_products;
uint8_t customer_id; uint8_t customer_id;
linkaddr_t* address; linkaddr_t* address;
@ -28,6 +29,7 @@ typedef struct basket_msg
typedef struct user_invoice typedef struct user_invoice
{ {
enum message_type msg_type;
uint8_t n_prods; uint8_t n_prods;
float total_sum; float total_sum;
uint8_t customer_id; uint8_t customer_id;
@ -39,11 +41,13 @@ typedef struct user_invoice
typedef struct cash_out_msg typedef struct cash_out_msg
{ {
enum message_type msg_type;
uint8_t customer_id; uint8_t customer_id;
}cash_out_msg; }cash_out_msg;
typedef struct product_msg{ typedef struct product_msg{
enum message_type msg_type;
uint8_t customer_id; uint8_t customer_id;
uint8_t product_id; uint8_t product_id;
float prize; float prize;
@ -52,11 +56,6 @@ typedef struct product_msg{
typedef struct msg{ typedef struct msg{
enum message_type msg_type; enum message_type msg_type;
cash_out_msg cash_out;
product_msg product;
basket_msg basket;
}msg; }msg;
@ -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 //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 //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) { if (received_msg.msg_type == BASKET_MSG) {
basket_msg *basket = (basket_msg*) (&received_msg);
uint8_t index = index_free_spot(invoices); uint8_t index = index_free_spot(invoices);
if (index != -1 ) { 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].total_sum = 0;
invoices[index].customer_id = received_msg.basket.customer_id; invoices[index].customer_id = basket->customer_id;
invoices[index].address_basket = received_msg.basket.address; invoices[index].address_basket = basket->address;
msg start_sending_list; msg start_sending_list;
start_sending_list.msg_type = START_OF_LIST_PRODUCTS_MSG; 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"); printf("Reached max number of customers");
} }
if (received_msg.msg_type == PRODUCT_MSG) { 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 (index != -1) {
if (invoices[index].n_prods > 0) { if (invoices[index].n_prods > 0) {
invoices[index].total_sum += received_msg.product.prize; invoices[index].total_sum += product->prize;
invoices[index].n_prods--; invoices[index].n_prods--;
} }
if (invoices[index].n_prods == 0) { if (invoices[index].n_prods == 0) {
@ -146,7 +147,7 @@ PROCESS_THREAD(cassa_main_process, ev, data) {
PROCESS_BEGIN(); PROCESS_BEGIN();
static uint8_t customer_id; 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); cc26xx_uart_set_input(serial_line_input_byte);
serial_line_init(); serial_line_init();
@ -165,7 +166,7 @@ PROCESS_THREAD(cassa_main_process, ev, data) {
printf("id: %d\n", (int)customer_id); printf("id: %d\n", (int)customer_id);
bro_customer_id.msg_type = CASH_OUT_MSG; 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("Sending BROADCAST customer id: %d\n", (int)customer_id);
LOG_INFO_LLADDR(NULL); LOG_INFO_LLADDR(NULL);