[cart] first unuseful version for cart

project/Giomba/Makefile

@@ -0,0 +1,14 @@
+CONTIKI_PROJECT = cart
+PROJECT_SOURCEFILES += sendrecv.c
+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

project/Giomba/cart.c

@@ -0,0 +1,93 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "os/dev/leds.h"
+#include "batmon-sensor.h"
+
+#include "../common/supermarket_net.h"
+#include "event.h"
+#include "log.h"
+#include "sendrecv.h"
+
+//static linkaddr_t destination_address = {{ 0x00, 0x12, 0x4b, 0x00, 0x0f, 0x8f, 0x18, 0x11 }};
+
+PROCESS(cart_main_process, "Cart Process");
+AUTOSTART_PROCESSES(&cart_main_process);
+
+enum CartStatus {
+	NOT_ASSOCIATED,
+	ASSOCIATED,
+	SHOPPING,
+	CASHOUT
+} status;
+
+static uint8_t net_buffer[256];
+static struct etimer broadcast_timer;
+
+void s_not_associated(process_event_t ev, process_data_t data) {
+    if (ev == PROCESS_EVENT_TIMER) {
+        // send broadcast message to request association with assigner
+        if (etimer_expired(&broadcast_timer)) {
+            //net_send(/*TODO*/);
+        }
+    }
+    else if (ev == PROCESS_EVENT_MSG && *((enum CartEvent*)data) == CART_EVENT_ASSOCIATED) {
+        status = ASSOCIATED;
+    }
+}
+
+
+PROCESS_THREAD(cart_main_process, ev, data) {
+	PROCESS_BEGIN();
+//	SENSORS_ACTIVATE(batmon_sensor);
+
+    /* Local variables allocation */
+
+    /*** Variables initialization ***/
+    /* Finite State Machine Status */
+    status = CASHOUT;
+
+    /* Network initialization */
+	nullnet_buf = net_buffer;
+	nullnet_set_input_callback(net_recv);
+
+
+
+    /* fixme garbage */
+    etimer_set(&broadcast_timer, 10 * CLOCK_SECOND);
+
+
+
+    /* now actually start */
+	printf("Hello! I'm the cart.\n");
+
+	while (true) {
+        PROCESS_WAIT_EVENT();
+
+		switch(status) {
+			case NOT_ASSOCIATED:
+                s_not_associated(ev, data);
+                break;
+            break;
+			case ASSOCIATED: break;
+			case SHOPPING: break;
+			case CASHOUT: break;
+			default: status = NOT_ASSOCIATED; break;
+		}
+
+/*
+		if (ev == PROCESS_EVENT_TIMER) {
+			printf("Transmitting %d...\n", counter);
+			sprintf(message, "#%d Hello. It's me. -- by Adele", counter);
+			nullnet_len = strlen(message) + 1;
+			counter++;
+			NETSTACK_NETWORK.output(&destination_address);
+			etimer_reset(&my_timer);
+		}
+*/
+	}
+
+	PROCESS_END();
+}
+
+

project/Giomba/event.h

@@ -0,0 +1,8 @@
+#ifndef EVENT_H
+#define EVENT_H
+
+enum CartEvent {
+    CART_EVENT_ASSOCIATED
+} event;
+
+#endif

project/Giomba/log.h

@@ -0,0 +1,9 @@
+#ifndef LOG_H
+#define LOG_H
+
+#include "sys/log.h"
+
+#define LOG_MODULE "Cart"
+#define LOG_LEVEL LOG_LEVEL_INFO
+
+#endif

project/Giomba/project-conf.h

@@ -0,0 +1,14 @@
+/*---------------------------------------------------------------------------*/
+#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_ */
+/*---------------------------------------------------------------------------*/

project/Giomba/sendrecv.c

@@ -0,0 +1,30 @@
+#include "sendrecv.h"
+
+struct MacPkt pkt;
+
+void net_recv(const void* data, uint16_t len, const linkaddr_t* src, const linkaddr_t* dst) {
+    /* discard too long packet */
+    if (len > 128) {
+        LOG_INFO("[WW] dropping too long packet %d\n", len);
+        return;
+    }
+
+    /* fill packet to pass to upper processing layer */
+    memcpy(pkt.data, data, len);
+    pkt.len = len;
+    pkt.src = *src;
+    pkt.dst = *dst;
+
+    LOG_INFO("Received %d bytes from ", len); LOG_INFO_LLADDR(src);	LOG_INFO("\n");
+
+    switch ( ((struct Msg*)data)->type ) {
+        case ASSOCIATION_REPLY_MSG:
+            event = CART_EVENT_ASSOCIATED;
+            process_post(&cart_main_process, PROCESS_EVENT_MSG, NULL);
+        break;
+        default:
+            LOG_INFO("[W] message type unknown\n");
+            break;
+    }
+}
+

project/Giomba/sendrecv.h

@@ -0,0 +1,31 @@
+#ifndef SENDRECV_H
+#define SENDRECV_H
+
+#include <string.h>
+
+#include "net/netstack.h"
+#include "net/nullnet/nullnet.h"
+#include "os/net/linkaddr.h"
+
+#include "../common/supermarket_net.h"
+
+#include "event.h"
+#include "log.h"
+
+struct MacPkt {
+    char data[128];
+    uint16_t len;
+    linkaddr_t src;
+    linkaddr_t dst;
+};
+
+extern void* ResetISR;
+
+extern struct MacPkt pkt;
+
+extern struct process cart_main_process;
+
+void net_recv(const void* data, uint16_t len, const linkaddr_t* src, const linkaddr_t* dst);
+void net_send(const void* data, uint16_t len, const linkaddr_t* dst);
+
+#endif

project/common/supermarket_net.h

@@ -0,0 +1,19 @@
+#ifndef SUPERMARKET_NET_H
+#define SUPERMARKET_NET_H
+
+enum MsgType {
+    ASSOCIATION_REQUEST_MSG,
+    ASSOCIATION_REPLY_MSG,
+    BATTERY_STATUS_MSG,
+    ASSIGNMENT_MSG,
+    PRODUCT_MSG,
+    CASHOUT_MSG,
+    ITEM_ELEM_MSG
+};
+
+struct Msg {
+    enum MsgType type;
+    int test;
+};
+
+#endif