Revision 0:e8d7be634e3c, committed 2014-05-13

Comitter:

Shage

Date:

Tue May 13 17:17:38 2014 +0000

Commit message:

Initial version

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Beep.lib	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/shimniok/code/Beep/#3eb39e374fc3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/C12832_lcd.lib	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,1 @@
+https://mbed.org/users/dreschpe/code/C12832_lcd/#c9afe58d786a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/EthernetInterface.lib	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/EthernetInterface/#dd9794ce1d64

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MMA7660.lib	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,1 @@
+https://mbed.org/users/Sissors/code/MMA7660/#a8e20db7901e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dbg.h	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,17 @@
+#ifndef DEBUG_H
+#define DEBUG_H
+
+#include "nsdl_support.h"
+#include "mbed.h"
+
+//Debug is disabled by default
+#define DEBUG 1
+
+#if (DEBUG)
+extern Serial pc;
+#define NSDL_DEBUG(x, ...) pc.printf("[NSDL_DEBUG: %s:%d]" x "\r\n", __FILE__, __LINE__, ##__VA_ARGS__);
+#else
+#define NSDL_DEBUG(x, ...)
+#endif
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,153 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "C12832_lcd.h"
+#include "nsdl_support.h"
+#include "dbg.h"
+
+// Include resources
+#include "accelerometer.h"
+#include "joystick.h"
+#include "buzzer.h"
+#include "led.h"
+#include "lcd.h"
+
+static C12832_LCD lcd;
+Serial pc(USBTX, USBRX); // tx, rx
+
+// ****************************************************************************
+// Configuration section
+
+// Ethernet configuration
+/* Define this to enable DHCP, otherwise manual address configuration is used */
+//#define DHCP
+
+/* Manual IP configurations, if DHCP not defined */
+#define IP      "192.168.1.108"
+#define MASK    "255.255.255.0"
+#define GW      ""
+
+// NSP configuration
+/* Change this IP address to that of your NanoService Platform installation */
+static const char* NSP_ADDRESS = "192.168.1.101"; /* demo NSP address */
+static const int NSP_PORT = 5683;
+char endpoint_name[16] = "mbed-";
+uint8_t ep_type[] = {"mbed_device"};
+uint8_t lifetime_ptr[] = {"1200"};
+
+// ****************************************************************************
+// Ethernet initialization
+
+EthernetInterface eth;
+
+static void ethernet_init()
+{
+    char mbed_uid[33]; // for creating unique name for the board
+
+    /* Initialize network */
+#ifdef DHCP
+    NSDL_DEBUG("DHCP in use\r\n");
+    eth.init();
+#else
+    eth.init(IP, MASK, GW);
+#endif
+    if(eth.connect(30000) == 0)
+        pc.printf("Connect OK\n\r");
+
+    mbed_interface_uid(mbed_uid);
+    mbed_uid[32] = '\0';
+    strncat(endpoint_name, mbed_uid + 27, 15 - strlen(endpoint_name));
+
+    lcd.locate(0,11);
+    lcd.printf("IP:%s", eth.getIPAddress());
+
+    NSDL_DEBUG("IP Address:%s ", eth.getIPAddress());
+}
+
+// ****************************************************************************
+// NSP initialization
+
+UDPSocket server;
+Endpoint nsp;
+
+static void nsp_init()
+{
+    server.init();
+    server.bind(NSP_PORT);
+
+    nsp.set_address(NSP_ADDRESS, NSP_PORT);
+    
+    NSDL_DEBUG("name: %s", endpoint_name);
+    NSDL_DEBUG("NSP=%s - port %d\n", NSP_ADDRESS, NSP_PORT);
+
+    lcd.locate(0,22);
+    lcd.printf("EP name:%s\n", endpoint_name);
+}
+
+// ****************************************************************************
+// Resource creation
+
+static int create_resources()
+{
+    sn_nsdl_resource_info_s *resource_ptr = NULL;
+    sn_nsdl_ep_parameters_s *endpoint_ptr = NULL;
+    
+    NSDL_DEBUG("Creating resources");
+
+    /* Create resources */
+    resource_ptr = (sn_nsdl_resource_info_s*)nsdl_alloc(sizeof(sn_nsdl_resource_info_s));
+    if(!resource_ptr)
+        return 0;
+    memset(resource_ptr, 0, sizeof(sn_nsdl_resource_info_s));
+
+    resource_ptr->resource_parameters_ptr = (sn_nsdl_resource_parameters_s*)nsdl_alloc(sizeof(sn_nsdl_resource_parameters_s));
+    if(!resource_ptr->resource_parameters_ptr)
+    {
+        nsdl_free(resource_ptr);
+        return 0;
+    }
+    memset(resource_ptr->resource_parameters_ptr, 0, sizeof(sn_nsdl_resource_parameters_s));
+
+    // Dynamic resources
+    create_accelerometer_resource(resource_ptr);
+    create_joystick_resource(resource_ptr);
+    create_buzz_resource(resource_ptr);
+    create_led_resource(resource_ptr);
+    create_lcd_resource(resource_ptr);
+
+    /* Register with NSP */
+    endpoint_ptr = nsdl_init_register_endpoint(endpoint_ptr, (uint8_t*)endpoint_name, ep_type, lifetime_ptr);
+    if(sn_nsdl_register_endpoint(endpoint_ptr) != 0)
+        pc.printf("NSP registering failed\r\n");
+    else
+        pc.printf("NSP registering OK\r\n");
+    nsdl_clean_register_endpoint(&endpoint_ptr);
+
+    nsdl_free(resource_ptr->resource_parameters_ptr);
+    nsdl_free(resource_ptr);
+    return 1;
+}
+
+// ****************************************************************************
+// Program entry point
+
+int main()
+{
+    lcd.cls();
+    lcd.locate(0,0);
+    lcd.printf("NS Game Controller Demo\n");
+    
+    // Initialize Ethernet interface first
+    ethernet_init();
+    
+    // Initialize NSP node
+    nsp_init();
+    
+    // Initialize NSDL stack
+    nsdl_init();
+    
+    // Create NSDL resources
+    create_resources();
+    
+    // Run the NSDL event loop (never returns)
+    nsdl_event_loop();
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-rtos.lib	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed-rtos/#53e6cccd8782

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/a9913a65894f
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nsdl_lib.lib	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/teams/Sensinode/code/nsdl_lib/#050d0f54a0dc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nsdl_support.cpp	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,170 @@
+// NSDL library support functions
+
+#include "mbed.h"
+#include "nsdl_support.h"
+#include "mbed.h"
+#include "rtos.h"
+#include "EthernetInterface.h"
+
+extern Serial pc;
+extern EthernetInterface eth;
+extern Endpoint nsp;
+extern UDPSocket server;
+extern char endpoint_name[16];
+extern uint8_t ep_type[];
+extern uint8_t lifetime_ptr[];
+
+/* The number of seconds between NSP registration messages */
+#define RD_UPDATE_PERIOD  60
+
+void *nsdl_alloc(uint16_t size)
+{
+    return malloc(size);
+}
+
+void nsdl_free(void* ptr_to_free)
+{
+    free(ptr_to_free);
+}
+
+/*
+ * Create a static resoure
+ * Only get is allowed
+ */
+void nsdl_create_static_resource(sn_nsdl_resource_info_s *resource_structure, uint16_t pt_len, uint8_t *pt, uint16_t rpp_len, uint8_t *rpp_ptr, uint8_t *rsc, uint16_t rsc_len)
+{
+    resource_structure->access = SN_GRS_GET_ALLOWED;
+    resource_structure->mode = SN_GRS_STATIC;
+    resource_structure->pathlen = pt_len;
+    resource_structure->path = pt;
+    resource_structure->resource_parameters_ptr->resource_type_len = rpp_len;
+    resource_structure->resource_parameters_ptr->resource_type_ptr = rpp_ptr;
+    resource_structure->resource = rsc;
+    resource_structure->resourcelen = rsc_len;
+    sn_nsdl_create_resource(resource_structure);
+}
+
+void nsdl_create_dynamic_resource(sn_nsdl_resource_info_s *resource_structure, uint16_t pt_len, uint8_t *pt, uint16_t rpp_len, uint8_t *rpp_ptr, uint8_t is_observable, sn_grs_dyn_res_callback_t callback_ptr, int access_right)
+{
+    resource_structure->access = (sn_grs_resource_acl_e)access_right;
+    resource_structure->resource = 0;
+    resource_structure->resourcelen = 0;
+    resource_structure->sn_grs_dyn_res_callback = callback_ptr;
+    resource_structure->mode = SN_GRS_DYNAMIC;
+    resource_structure->pathlen = pt_len;
+    resource_structure->path = pt;
+    resource_structure->resource_parameters_ptr->resource_type_len = rpp_len;
+    resource_structure->resource_parameters_ptr->resource_type_ptr = rpp_ptr;
+    resource_structure->resource_parameters_ptr->observable = is_observable;
+    sn_nsdl_create_resource(resource_structure);
+}
+
+sn_nsdl_ep_parameters_s* nsdl_init_register_endpoint(sn_nsdl_ep_parameters_s *endpoint_structure, uint8_t* name, uint8_t* typename_ptr, uint8_t *lifetime_ptr)
+{
+    if (NULL == endpoint_structure)
+    {   
+        endpoint_structure = (sn_nsdl_ep_parameters_s*)nsdl_alloc(sizeof(sn_nsdl_ep_parameters_s));
+    }
+    if (endpoint_structure)
+    {
+        memset(endpoint_structure, 0, sizeof(sn_nsdl_ep_parameters_s));
+        uint8_t domain_name[5] = "pong";
+        endpoint_structure->endpoint_name_ptr = name;
+        endpoint_structure->endpoint_name_len = strlen((char*)name);
+        endpoint_structure->domain_name_ptr = domain_name;
+        endpoint_structure->domain_name_len = strlen((char*)domain_name);
+        endpoint_structure->type_ptr = typename_ptr;
+        endpoint_structure->type_len =  strlen((char*)typename_ptr);
+        endpoint_structure->lifetime_ptr = lifetime_ptr;
+        endpoint_structure->lifetime_len =  strlen((char*)lifetime_ptr);
+    }
+    return endpoint_structure;
+}
+
+void nsdl_clean_register_endpoint(sn_nsdl_ep_parameters_s **endpoint_structure)
+{
+    if (*endpoint_structure)
+    {
+        nsdl_free(*endpoint_structure);
+        *endpoint_structure = NULL;
+    }
+}
+
+static uint8_t tx_cb(sn_nsdl_capab_e protocol, uint8_t *data_ptr, uint16_t data_len, sn_nsdl_addr_s *address_ptr)
+{
+    //pc.printf("TX callback!\n\rSending %d bytes\r\n", data_len);
+
+    if(server.sendTo(nsp, (char*)data_ptr, data_len) != data_len)
+        pc.printf("sending failed\n\r");
+
+    return 1;
+}
+
+static uint8_t rx_cb(sn_coap_hdr_s *coap_packet_ptr, sn_nsdl_addr_s *address_ptr)
+{
+    pc.printf("RX callback!\r\n");
+    return 0;
+}
+
+static void registration_update_thread(void const *args)
+{
+    sn_nsdl_ep_parameters_s *endpoint_ptr = NULL;
+
+    while(true)
+    {
+        wait(RD_UPDATE_PERIOD);
+        endpoint_ptr = nsdl_init_register_endpoint(endpoint_ptr, (uint8_t*)endpoint_name, ep_type, lifetime_ptr);
+        if(sn_nsdl_register_endpoint(endpoint_ptr) != 0)
+            pc.printf("NSP re-registering failed\r\n");
+        else
+            pc.printf("NSP re-registering OK\r\n");
+        nsdl_clean_register_endpoint(&endpoint_ptr);
+    }
+}
+
+void nsdl_init()
+{
+    uint8_t nsp_addr[4];
+    sn_nsdl_mem_s memory_cbs;
+
+    /* Initialize libNsdl */
+    memory_cbs.sn_nsdl_alloc = &nsdl_alloc;
+    memory_cbs.sn_nsdl_free = &nsdl_free;
+    if(sn_nsdl_init(&tx_cb, &rx_cb, &memory_cbs) == -1)
+        pc.printf("libNsdl init failed\r\n");
+    else
+        pc.printf("libNsdl init done\r\n");
+
+    /* Set nsp address for library */
+    set_NSP_address(nsp_addr, 5683, SN_NSDL_ADDRESS_TYPE_IPV4);
+}
+
+void nsdl_event_loop()
+{
+    // Re-registration thread disabled
+    //Thread registration_thread(registration_update_thread);
+
+    sn_nsdl_addr_s received_packet_address;
+    uint8_t received_address[4];
+    char buffer[1024];
+    Endpoint from;
+
+    memset(&received_packet_address, 0, sizeof(sn_nsdl_addr_s));
+    received_packet_address.addr_ptr = received_address;
+
+    while(1)
+    {
+        int n = server.receiveFrom(from, buffer, sizeof(buffer));
+        if (n < 0)
+        {
+            pc.printf("Socket error\n\r");
+        }
+        else
+        {   
+            pc.printf("Received %d bytes\r\n", n);
+            sn_nsdl_process_coap((uint8_t*)buffer, n, &received_packet_address);
+        }
+    }
+}
+
+            
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nsdl_support.h	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,24 @@
+// Support functions for the NSDL library
+
+#ifndef NSDL_SUPPORT_H
+#define NSDL_SUPPORT_H
+
+#include "mbed.h"
+#include <stdint.h>
+#include "sn_nsdl.h"
+#include "sn_coap_header.h"
+#include "sn_coap_protocol.h"
+#include "sn_nsdl_lib.h"
+
+typedef uint8_t (*sn_grs_dyn_res_callback_t)(sn_coap_hdr_s *, sn_nsdl_addr_s *, sn_proto_info_s *);
+
+extern "C" void *nsdl_alloc(uint16_t size);
+extern "C" void nsdl_free(void* ptr_to_free);
+void nsdl_create_static_resource(sn_nsdl_resource_info_s *resource_structure, uint16_t pt_len, uint8_t *pt, uint16_t rpp_len, uint8_t *rpp_ptr, uint8_t *rsc, uint16_t rsc_len);
+void nsdl_create_dynamic_resource(sn_nsdl_resource_info_s *resource_structure, uint16_t pt_len, uint8_t *pt, uint16_t rpp_len, uint8_t *rpp_ptr, uint8_t is_observable, sn_grs_dyn_res_callback_t callback_ptr, int access_right);
+sn_nsdl_ep_parameters_s* nsdl_init_register_endpoint(sn_nsdl_ep_parameters_s *endpoint_structure, uint8_t* name, uint8_t* ypename_ptr, uint8_t *lifetime_ptr);
+void nsdl_clean_register_endpoint(sn_nsdl_ep_parameters_s **endpoint_structure);
+void nsdl_init();
+void nsdl_event_loop();
+
+#endif // NSDL_SUPPORT_H

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resources/accelerometer.cpp	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,122 @@
+// Accelerometer resource implementation
+
+#include "mbed.h"
+#include "rtos.h"
+#include "nsdl_support.h"
+#include "accelerometer.h"
+#include "MMA7660.h"
+#define ACC_RES_ID     "acc"
+#define X_AXIS "x"
+#define Y_AXIS "y"
+#define Z_AXIS "z"
+ 
+static MMA7660 MMA(p28, p27);
+static uint8_t obs_number = 0;
+static uint8_t *obs_token_ptr = NULL;
+static uint8_t obs_token_len = 0;
+//static char acc_val[8];
+static char acc_val[20];
+// Data from PUT request
+static char received_cmd[20];
+static char selected_axis[20];
+extern Serial pc;
+
+/* Thread for calling libNsdl exec function (cleanup, resendings etc..) */
+static void exec_call_thread(void const *args)
+{
+    int32_t time = 0;
+    strcpy(selected_axis, "xy");
+    MMA.setSampleRate(120);
+    while (true)
+    {
+        time++;
+        sn_nsdl_exec(time);
+        if(obs_token_ptr != NULL)
+        {
+            obs_number++;
+            if (!strcmp(selected_axis, X_AXIS Y_AXIS Z_AXIS)) {
+                sprintf(acc_val,"%2.2f;%2.2f;%2.2f", MMA.x(), MMA.y(), MMA.z());
+            }
+            else if (!strcmp(selected_axis, X_AXIS Y_AXIS)) {
+                sprintf(acc_val,"%2.2f;%2.2f", MMA.x(), MMA.y());
+            }
+            else if (!strcmp(selected_axis, X_AXIS Z_AXIS)) {
+                sprintf(acc_val,"%2.2f;%2.2f", MMA.x(), MMA.z());
+            }
+            else if (!strcmp(selected_axis, Y_AXIS Z_AXIS)) {
+                sprintf(acc_val,"%2.2f;%2.2f", MMA.y(), MMA.z());
+            }
+            else if (!strcmp(selected_axis, X_AXIS)) {
+                sprintf(acc_val,"%2.2f", MMA.x());
+            }
+            else if (!strcmp(selected_axis, Y_AXIS)) {
+                sprintf(acc_val,"%2.2f", MMA.y());
+            }
+            else {
+                sprintf(acc_val,"%2.2f", MMA.z());
+            }
+            if (sn_nsdl_send_observation_notification(obs_token_ptr, obs_token_len, (uint8_t*)acc_val, strlen(acc_val), &obs_number, 1, COAP_MSG_TYPE_NON_CONFIRMABLE, 0) == 0) {
+                pc.printf("Accelerometer data sending failed!\r\n");
+            }
+        }
+    }
+}
+
+// GET and PUT allowed
+static uint8_t acc_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto)
+{
+    sn_coap_hdr_s *coap_res_ptr = 0;
+
+    // GET, fetches accelerometer value for selected axis
+    if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_GET) {
+        coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CONTENT);
+    
+        coap_res_ptr->payload_len = 20;
+        coap_res_ptr->payload_ptr = (uint8_t*)acc_val;
+        
+        if(received_coap_ptr->token_ptr)
+        {
+            if(obs_token_ptr)
+            {
+                free(obs_token_ptr);
+                obs_token_ptr = 0;
+            }
+            obs_token_ptr = (uint8_t*)malloc(received_coap_ptr->token_len);
+            if(obs_token_ptr)
+            {
+                memcpy(obs_token_ptr, received_coap_ptr->token_ptr, received_coap_ptr->token_len);
+                obs_token_len = received_coap_ptr->token_len;
+            }
+        }
+    
+        if(received_coap_ptr->options_list_ptr->observe)
+        {
+            coap_res_ptr->options_list_ptr = (sn_coap_options_list_s*)malloc(sizeof(sn_coap_options_list_s));
+            memset(coap_res_ptr->options_list_ptr, 0, sizeof(sn_coap_options_list_s));
+            coap_res_ptr->options_list_ptr->observe_ptr = &obs_number;
+            coap_res_ptr->options_list_ptr->observe_len = 1;
+            obs_number++;
+        }
+    
+        sn_nsdl_send_coap_message(address, coap_res_ptr);
+    
+        coap_res_ptr->options_list_ptr->observe_ptr = 0;
+    }
+    // PUT, sets the selected axis from request (msg body 'xyz', 'xy', 'xz', 'yz', 'x', 'y' or 'z')
+    else if(received_coap_ptr->msg_code == COAP_MSG_CODE_REQUEST_PUT) {
+        memcpy(received_cmd, (char *)received_coap_ptr->payload_ptr, received_coap_ptr->payload_len);
+        received_cmd[received_coap_ptr->payload_len] = '\0';
+        sprintf(selected_axis, "%s", received_cmd);
+        coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CHANGED);
+        sn_nsdl_send_coap_message(address, coap_res_ptr);
+    }
+    sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
+    return 0;
+}
+
+int create_accelerometer_resource(sn_nsdl_resource_info_s *resource_ptr)
+{
+    static Thread exec_thread(exec_call_thread);
+    nsdl_create_dynamic_resource(resource_ptr, sizeof(ACC_RES_ID)-1, (uint8_t*)ACC_RES_ID, 0, 0, 1, &acc_resource_cb, (SN_GRS_GET_ALLOWED | SN_GRS_PUT_ALLOWED));    
+    return 0;
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resources/accelerometer.h	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,10 @@
+// Accelerometer resource implementation
+
+#ifndef ACCELEROMETER_H
+#define ACCELEROMETER_H
+
+#include "nsdl_support.h"
+
+int create_accelerometer_resource(sn_nsdl_resource_info_s *resource_ptr);
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resources/buzzer.cpp	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,58 @@
+// Buzzer resource implementation
+
+#include "mbed.h"
+#include "nsdl_support.h"
+#include "buzzer.h"
+#include "Beep.h"
+
+#define BUZZ_RES_ID    "buzz"
+
+extern Serial pc;
+static Beep buzzer(p26);
+
+// Data from PUT request
+static char received_cmd[20];
+static char cmd[10];
+
+/* Only PUT method allowed */
+static uint8_t buzz_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto)
+{
+    sn_coap_hdr_s *coap_res_ptr = 0;
+    memcpy(received_cmd, (char *)received_coap_ptr->payload_ptr, received_coap_ptr->payload_len);
+    received_cmd[received_coap_ptr->payload_len] = '\0';
+    sprintf(cmd, "%s", received_cmd);
+        
+    if (!strcmp(cmd, "beep")) {
+        buzzer.beep(300,0);
+        wait(0.05);
+        buzzer.nobeep();
+    }
+    else if (!strcmp(cmd, "score")) {
+        buzzer.beep(400,0);
+        wait(0.2);
+        buzzer.nobeep();
+        buzzer.beep(600,0);
+        wait(0.3);
+        buzzer.nobeep();
+    }
+    else if (!strcmp(cmd, "win")) {
+        buzzer.beep(700,0);
+        wait(0.2);
+        buzzer.nobeep();
+        buzzer.beep(700,0);
+        wait(0.3);
+        buzzer.nobeep();
+    }
+    
+    coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CHANGED);
+    sn_nsdl_send_coap_message(address, coap_res_ptr);
+    sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
+    memset(cmd, 0, 10);
+    return 0;
+}
+
+int create_buzz_resource(sn_nsdl_resource_info_s *resource_ptr)
+{
+    nsdl_create_dynamic_resource(resource_ptr, sizeof(BUZZ_RES_ID)-1, (uint8_t*)BUZZ_RES_ID, 0, 0, 0, &buzz_resource_cb, SN_GRS_PUT_ALLOWED);
+    return 0;
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resources/buzzer.h	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,10 @@
+// Buzzer resource implementation
+
+#ifndef BUZZER_H
+#define BUZZER_H
+
+#include "nsdl_support.h"
+
+int create_buzz_resource(sn_nsdl_resource_info_s *resource_ptr);
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resources/joystick.cpp	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,126 @@
+// Joystick resource implementation
+
+#include "mbed.h"
+#include "rtos.h"
+#include "nsdl_support.h"
+#include "joystick.h"
+#define JOY_RES_ID     "joy"
+
+BusIn joy(p15,p12,p13,p16);
+DigitalIn fire(p14);
+static uint8_t old_joy_val = 0;
+static uint8_t joy_val = 0;
+static int old_fire_val = 0;
+static int fire_val = 0;
+static uint8_t obs_number = 0;
+static uint8_t *obs_token_ptr = NULL;
+static uint8_t obs_token_len = 0;
+static char joy_msg[10];
+extern Serial pc;
+
+/* Thread for calling libNsdl exec function (cleanup, resendings etc..) */
+/* Node detects joystick state changes and then sends data. Notification sending is done here. */
+static void exec_call_thread(void const *args)
+{
+    int32_t time = 0;
+    while (true)
+    {
+        // Only if joystick state has changed
+        joy_val = joy.read();
+        fire_val = fire.read();
+        if (fire_val != old_fire_val) {
+            time++;
+            sn_nsdl_exec(time);
+            if(obs_token_ptr != NULL)
+            {
+                obs_number++;
+                if (fire_val == 1) {
+                    sprintf(joy_msg, "fire on");
+                }
+                else if (fire_val == 0) {
+                    sprintf(joy_msg, "fire off");
+                }
+                if (sn_nsdl_send_observation_notification(obs_token_ptr, obs_token_len, (uint8_t*)joy_msg, strlen(joy_msg), &obs_number, 1, COAP_MSG_TYPE_NON_CONFIRMABLE, 0) == 0) {
+                    pc.printf("Joystick data sending failed!\r\n");
+                }
+            }
+            old_fire_val = fire_val;
+        }
+        if (joy_val != old_joy_val) {
+            time++;
+            sn_nsdl_exec(time);
+            if(obs_token_ptr != NULL)
+            {
+                obs_number++;
+                if (joy_val == 0x08) {
+                    sprintf(joy_msg, "down");
+                }
+                else if (joy_val == 0x04) {
+                    sprintf(joy_msg, "up");
+                }
+                else if (joy_val == 0x02) {
+                    sprintf(joy_msg, "left");
+                }
+                else if (joy_val == 0x01) {
+                    sprintf(joy_msg, "right");
+                }
+                else if (joy_val == 0x00) {
+                    sprintf(joy_msg, "release");
+                }
+                if (sn_nsdl_send_observation_notification(obs_token_ptr, obs_token_len, (uint8_t*)joy_msg, strlen(joy_msg), &obs_number, 1, COAP_MSG_TYPE_NON_CONFIRMABLE, 0) == 0) {
+                     pc.printf("Joystick data sending failed!\r\n");
+                }
+            }
+            old_joy_val = joy_val;
+        }
+    }
+}
+
+// Only GET allowed
+static uint8_t joy_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto)
+{
+    old_joy_val = joy.read();
+    old_fire_val = fire.read();
+    sn_coap_hdr_s *coap_res_ptr = 0;
+    coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CONTENT);
+
+    coap_res_ptr->payload_len = 10;
+    coap_res_ptr->payload_ptr = (uint8_t*)joy_msg;
+    
+    if(received_coap_ptr->token_ptr)
+    {
+        if(obs_token_ptr)
+        {
+            free(obs_token_ptr);
+            obs_token_ptr = 0;
+        }
+        obs_token_ptr = (uint8_t*)malloc(received_coap_ptr->token_len);
+        if(obs_token_ptr)
+        {
+            memcpy(obs_token_ptr, received_coap_ptr->token_ptr, received_coap_ptr->token_len);
+            obs_token_len = received_coap_ptr->token_len;
+        }
+    }
+
+    if(received_coap_ptr->options_list_ptr->observe)
+    {
+        coap_res_ptr->options_list_ptr = (sn_coap_options_list_s*)malloc(sizeof(sn_coap_options_list_s));
+        memset(coap_res_ptr->options_list_ptr, 0, sizeof(sn_coap_options_list_s));
+        coap_res_ptr->options_list_ptr->observe_ptr = &obs_number;
+        coap_res_ptr->options_list_ptr->observe_len = 1;
+        obs_number++;
+    }
+
+    sn_nsdl_send_coap_message(address, coap_res_ptr);
+
+    coap_res_ptr->options_list_ptr->observe_ptr = 0;
+    sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
+    return 0;
+}
+
+int create_joystick_resource(sn_nsdl_resource_info_s *resource_ptr)
+{
+    static Thread exec_thread(exec_call_thread);
+    nsdl_create_dynamic_resource(resource_ptr, sizeof(JOY_RES_ID)-1, (uint8_t*)JOY_RES_ID, 0, 0, 1, &joy_resource_cb, SN_GRS_GET_ALLOWED);    
+    return 0;
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resources/joystick.h	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,10 @@
+// Joystick resource implementation
+
+#ifndef JOYSTICK_H
+#define JOYSTICK_H
+
+#include "nsdl_support.h"
+
+int create_joystick_resource(sn_nsdl_resource_info_s *resource_ptr);
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resources/lcd.cpp	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,48 @@
+// Lcd resource implementation
+
+#include "mbed.h"
+#include "nsdl_support.h"
+#include "C12832_lcd.h"
+#include "lcd.h"
+
+#define LCD_RES_ID    "lcd"
+
+extern Serial pc;
+static C12832_LCD lcd;
+// Data from PUT request
+static char received_cmd[20];
+static char player_in_selection[5];
+
+/* Only PUT method allowed */
+static uint8_t lcd_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto)
+{
+    sn_coap_hdr_s *coap_res_ptr = 0;
+
+    memcpy(received_cmd, (char *)received_coap_ptr->payload_ptr, received_coap_ptr->payload_len);
+    received_cmd[received_coap_ptr->payload_len] = '\0';
+    sprintf(player_in_selection, "%s", received_cmd);
+    
+    lcd.cls();
+    lcd.locate(0,0);
+    
+    if (!strcmp(player_in_selection, "1")) {
+        lcd.printf("You are player 1\nYour paddle is on the left\nGood luck and have fun!");
+    }
+    else if (!strcmp(player_in_selection, "2")) {
+        lcd.printf("You are player 2\nYour paddle is on the right\nGood luck and have fun!");
+    }
+    else if(!strcmp(player_in_selection, "info")) {
+        lcd.printf("You have been registered\nPress joystick to start!");
+    }
+    
+    coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CHANGED);
+    sn_nsdl_send_coap_message(address, coap_res_ptr);
+    sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
+    return 0;
+}
+
+int create_lcd_resource(sn_nsdl_resource_info_s *resource_ptr)
+{
+    nsdl_create_dynamic_resource(resource_ptr, sizeof(LCD_RES_ID)-1, (uint8_t*)LCD_RES_ID, 0, 0, 0, &lcd_resource_cb, SN_GRS_PUT_ALLOWED);
+    return 0;
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resources/lcd.h	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,10 @@
+// Lcd resource implementation
+
+#ifndef LCD_H
+#define LCD_H
+
+#include "nsdl_support.h"
+
+int create_lcd_resource(sn_nsdl_resource_info_s *resource_ptr);
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resources/led.cpp	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,122 @@
+// Led resource implementation
+
+#include "mbed.h"
+#include "nsdl_support.h"
+#include "led.h"
+
+#define LED_RES_ID    "led"
+
+extern Serial pc;
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+PwmOut rled(p23);
+PwmOut gled(p24);
+PwmOut bled(p25);
+
+// Data from PUT request
+static char received_cmd[20];
+static char cmd[10];
+
+/* Only PUT method allowed */
+static uint8_t led_resource_cb(sn_coap_hdr_s *received_coap_ptr, sn_nsdl_addr_s *address, sn_proto_info_s * proto)
+{
+    sn_coap_hdr_s *coap_res_ptr = 0;
+
+    memcpy(received_cmd, (char *)received_coap_ptr->payload_ptr, received_coap_ptr->payload_len);
+    received_cmd[received_coap_ptr->payload_len] = '\0';
+    sprintf(cmd, "%s", received_cmd);
+    
+    if (!strcmp(cmd, "reset")) {
+        led1 = 0;
+        led2 = 0;
+        led3 = 0;
+        led4 = 0;
+    }
+    
+    else if (!strcmp(cmd, "score")) {
+        
+        if(led4){
+            led1 = 0;
+            led2 = 0;
+            led3 = 0;
+            led4 = 0;
+        }
+        else if(led3){
+            led4 = 1;
+        }
+        else if(led2){
+            led3 = 1;
+        }
+        else if(led1){
+            led2 = 1;
+        }
+        else{
+            led1 = 1;
+        }
+        
+        rled.period(0.001);
+        for(float i = 0.0; i < 1.0 ; i += 0.01) {
+            float p = 3 * i;
+            rled = 1.0 - ((p < 1.0) ? 1.0 - p : (p > 2.0) ? p - 2.0 : 0.0);
+            gled = 1.0 - ((p < 1.0) ? p : (p > 2.0) ? 0.0 : 2.0 - p);
+            bled = 1.0 - ((p < 1.0) ? 0.0 : (p > 2.0) ? 3.0 - p : p - 1.0);  ;  
+            wait(0.005);
+        }
+    }
+    
+    else if (!strcmp(cmd, "paddle")) {
+        rled = 0;
+        gled = 0;
+        bled = 0;
+        wait(0.1);
+    }
+    
+    else if (!strcmp(cmd, "win")) {
+        led1 = 0;
+        led2 = 0;
+        led3 = 0;
+        led4 = 0;
+        wait(0.25);
+        led1 = 1;
+        led2 = 1;
+        led3 = 1;
+        led4 = 1;
+        wait(0.25);
+        led1 = 0;
+        led2 = 0;
+        led3 = 0;
+        led4 = 0;
+        wait(0.25);
+        led1 = 1;
+        led2 = 1;
+        led3 = 1;
+        led4 = 1;
+        wait(0.25);
+        led1 = 0;
+        led2 = 0;
+        led3 = 0;
+        led4 = 0;
+    }
+    
+    rled = 1;
+    gled = 1;
+    bled = 1;
+    
+    coap_res_ptr = sn_coap_build_response(received_coap_ptr, COAP_MSG_CODE_RESPONSE_CHANGED);
+    sn_nsdl_send_coap_message(address, coap_res_ptr);
+    sn_coap_parser_release_allocated_coap_msg_mem(coap_res_ptr);
+    memset(cmd, 0, 10);
+    return 0;
+}
+
+int create_led_resource(sn_nsdl_resource_info_s *resource_ptr)
+{
+    rled = 1;
+    gled = 1;
+    bled = 1;
+    nsdl_create_dynamic_resource(resource_ptr, sizeof(LED_RES_ID)-1, (uint8_t*)LED_RES_ID, 0, 0, 0, &led_resource_cb, SN_GRS_PUT_ALLOWED);
+    return 0;
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/resources/led.h	Tue May 13 17:17:38 2014 +0000
@@ -0,0 +1,10 @@
+// Led resource implementation
+
+#ifndef LED_H
+#define LED_H
+
+#include "nsdl_support.h"
+
+int create_led_resource(sn_nsdl_resource_info_s *resource_ptr);
+
+#endif