Diff: main.cpp

Revision:

15:59f4cee0da79

Parent:

14:5f84f9ae168e

Child:

16:3fb612af0dc5

--- a/main.cpp	Thu Nov 07 20:30:27 2013 +0000
+++ b/main.cpp	Tue Mar 25 13:00:09 2014 +0000
@@ -16,8 +16,17 @@
 #include "mbed.h"
 #include "cc3000.h"
 #include "main.h"
-#include "TCPSocketConnection.h"
-#include "TCPSocketServer.h"
+#include "rtos.h"
+#include "LPD8806.h"
+// NanoService includes
+#include "Endpoint.h"
+#include "UDPSocket.h"
+#include "sn_nsdl.h"
+#include "sn_coap_header.h"
+#include "sn_coap_protocol.h"
+#include "sn_nsdl_lib.h"
+#include "sn_grs.h"
+#include <stdint.h>
 
 #define STRINGIFY(x) #x
 #define TO_STRING(x) STRINGIFY(x)
@@ -46,6 +55,26 @@
   const uint8_t smartconfigkey = 0;
 #endif
 
+// NSP configuration
+/* Change this IP address to that of your NanoService Platform installation */
+Endpoint nsp;
+UDPSocket server;
+static const char* NSP_ADDRESS = "10.2.131.119"; /* demo NSP, web interface at http://nanoservice-demo.mbed.org*/ 
+static const int NSP_PORT = 5683;
+char endpoint_name[] = {"umbrella"};
+uint8_t ep_type[] = {"mbed_kl25z"};
+uint8_t lifetime_ptr[] = {"86400"};
+
+typedef uint8_t (*sn_grs_dyn_res_callback_t)(sn_coap_hdr_s *, sn_nsdl_addr_s *, sn_proto_info_s *);
+
+//LED Config
+//Number of RGB LEDs in strand:
+int nLEDs=80;
+int datapin=1;
+int clockpin=2;
+LPD8806 strip = LPD8806(nLEDs,datapin,clockpin);
+
+
 /**
  *  \brief Print cc3000 information
  *  \param none
@@ -119,6 +148,274 @@
     wifi.start_smart_config(smartconfigkey);
 }
 
+// ****************************************************************************
+// NSP initialization
+
+static void nsp_connect()
+{
+    
+    printf("EP Name: %s", endpoint_name);
+    printf("NSP Location: coap://%s:%d\n", NSP_ADDRESS, NSP_PORT);
+    
+    // Bind the port
+    //cellular->bind(EP_PORT);
+    server.init();
+    server.bind(NSP_PORT);
+    nsp.set_address(NSP_ADDRESS, NSP_PORT);
+
+    printf("UDP connection to NSP successful.\r\n");  
+}
+
+extern "C" void *nsdl_alloc(uint16_t size)
+{
+    return malloc(size);
+}
+
+extern "C" void nsdl_free(void* ptr_to_free)
+{
+    free(ptr_to_free);
+}
+
+static uint8_t tx_cb(sn_nsdl_capab_e protocol, uint8_t *data_ptr, uint16_t data_len, sn_nsdl_addr_s *address_ptr)
+{
+/*    
+    int buffer_len = data_len+2;
+    printf("TX callback! Sending %d bytes\r\n", buffer_len);
+    char buffer[buffer_len];
+    buffer[0] = data_len >> 8;
+    buffer[1] = data_len & 0xFF;
+    memcpy(buffer+2, data_ptr, data_len);
+  */  
+    //if(cellular->write((char*)buffer, (int)buffer_len, 1000) != buffer_len)
+    if(server.sendTo(nsp, (char*)data_ptr, (int)data_len) != data_len)
+        printf("Sending failed\r\n");
+        
+    
+    return 1;
+    
+}
+
+static uint8_t rx_cb(sn_coap_hdr_s *coap_packet_ptr, sn_nsdl_addr_s *address_ptr)
+{
+    printf("RX callback!\r\n");
+    return 0;
+}
+
+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));
+        endpoint_structure->endpoint_name_ptr = name;
+        endpoint_structure->endpoint_name_len = strlen((char*)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;
+    }
+}
+
+void nsdl_init()
+{
+    uint8_t nsp_addr[4];
+    sn_nsdl_mem_s memory_cbs;
+    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) {
+        printf("libNsdl init failed\r\n");
+    } else {
+        printf("libNsdl init done\r\n");
+    }
+    /* Set nsp address for library */
+    set_NSP_address(nsp_addr, 5683, SN_NSDL_ADDRESS_TYPE_IPV4);
+}
+
+static int create_resources()
+{
+    sn_nsdl_resource_info_s *resource_ptr = NULL;
+    sn_nsdl_ep_parameters_s *endpoint_ptr = NULL;
+    
+    printf("Creating resources\r\n");
+
+    /* 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));
+
+    // Static resources
+    nsdl_create_static_resource(resource_ptr, sizeof("3/0/1")-1, (uint8_t*) "3/0/1", 0, 0,  (uint8_t*) "KL25Z Umbrella Stand", sizeof("KL25Z Umbrella Stand")-1);
+
+    // Dynamic resources
+    // create_light_resource(resource_ptr);
+    // create_gps_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) {
+        printf("NSP registering failed\r\n");
+    } else {
+        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;
+}
+
+void nsp_register()
+{
+    sn_nsdl_ep_parameters_s *endpoint_ptr = NULL;
+
+    endpoint_ptr = nsdl_init_register_endpoint(endpoint_ptr, (uint8_t*)endpoint_name, ep_type, lifetime_ptr);
+    if(sn_nsdl_register_endpoint(endpoint_ptr) != 0) {
+        printf("NSP re-registration failed\r\n");
+    } else {
+        printf("NSP re-registration OK\r\n");
+    }
+    nsdl_clean_register_endpoint(&endpoint_ptr);
+}
+
+void socket_event_loop()
+{
+    sn_nsdl_addr_s received_packet_address;
+    uint8_t received_address[4];
+    char buffer[2048];
+    int n;
+    Endpoint from;
+
+    memset(&received_packet_address, 0, sizeof(sn_nsdl_addr_s));
+    received_packet_address.addr_ptr = received_address; 
+
+    printf("Starting socket read loop...\r\n");
+    while(1)
+    {
+        //n = cellular->read(buffer, sizeof(buffer), 1000);
+        n = server.receiveFrom(from, buffer, sizeof(buffer));
+        printf("Received %d bytes", n);
+        if (n < 0)
+        {
+            printf("Socket error\r\n");
+        }
+        else
+        {   
+            uint16_t len = 0;
+            if (n > 2) {
+                len = 256 * buffer[0] + buffer[1]; 
+                printf("CoAP length header = %d bytes\r\n", len);
+                sn_nsdl_process_coap((uint8_t*)buffer+2, len, &received_packet_address);
+            }
+        } 
+    }
+
+}
+
+/************************************************************************************
+Use Color Fill to fill strips from bottom up in a 6 strip alternating configuration.
+c           The colour
+delay       Time between each pixel activation
+numStrips   Number of sub-strips
+direction   <0 implies top down, >0 bottom up, 0 all at once. Assumes first pixel is top.
+alternating 0 implies first pixel of each strip is top, otherwise alternates top/bottom/top etc.
+*************************************************************************************/
+void colorFillAlternatingSubStrips(uint32_t c, uint8_t delay, uint8_t numSubStrips, uint8_t alternating, int8_t direction) {
+    
+    int i,j;
+    int pixelsPerStrip = strip.numPixels() / numSubStrips;
+
+    //set each pixel sequentially:
+    for (i=0; i < pixelsPerStrip; i++) {
+        for(j = 0; j < numSubStrips; j++) {
+            if(!alternating || j % 2 == 0) {
+                // Even strip
+                if(direction <= 0) {
+                    //Down
+                    strip.setPixelColor(j*pixelsPerStrip + i, c);
+                } else if (direction > 0) {
+                    //Up
+                    strip.setPixelColor((j+1)*pixelsPerStrip - 1 - i, c);
+                }
+            } else {
+                // Odd Strip
+                if(direction < 0) {
+                    //Down
+                    strip.setPixelColor((j+1)*pixelsPerStrip - 1 - i, c);
+                } else if (direction >= 0) {
+                    //Up
+                    strip.setPixelColor(j*pixelsPerStrip + i, c);
+                }
+            }
+        }
+        if(direction != 0) {
+            strip.show();
+            wait_ms(delay);
+        }
+    }
+    if(direction == 0) {
+        strip.show();
+        wait_ms(delay);
+    }
+}
+
+void doNotificationIteration() {
+    colorFillAlternatingSubStrips(strip.Color(0,127,0), 100, 6, 1, 1);
+    wait_ms (3000);
+    colorFillAlternatingSubStrips(strip.Color(0,0,0), 100, 6, 1, 1);
+    wait_ms (1000);
+}
+
+
 /**
  *  \brief Simple socket demo
  *  \param none
@@ -132,69 +429,14 @@
     printf("cc3000 simple socket demo. \r\n");
     print_cc3000_info();
 
-    printf("User's AP setup: SSID: %s, Password: %s, Security: %s \r\n", TO_STRING(SSID), TO_STRING(AP_KEY), TO_STRING(AP_SECURITY));
-
-    printf("\n<0> Normal run. SmartConfig will \r\n    start if no valid connection exists. \r\n");
-    printf("<1> Connect using fixed SSID without AP_KEY: %s \r\n", SSID);
-    printf("<2> Connect using fixed SSID with AP_KEY: %s \r\n", SSID);
-    printf("<8> Erase all stored profiles.\r\n");
-    printf("<9> SmartConfig. \r\n");
+    printf("Attempting SSID Connection. \r\n");
 
-    signed char c = getchar();
-    switch (c)
-    {
-        case '0':
-            if (!user_info.FTC) {
-                do_FTC();
-                wifi._wlan.stop();
-            } else {
-                wifi._wlan.ioctl_set_connection_policy(0, 1, 1);
-            }
-            break;
-        case '1':
-            printf("Attempting SSID Connection. \r\n");
-
-            wifi._wlan.ioctl_set_connection_policy(0, 0, 0);
-            connect_to_ssid(SSID);
-            break;
-        case '2':
-            printf("Attempting SSID Connection. \r\n");
-
-            wifi._wlan.ioctl_set_connection_policy(0, 0, 0);
+    wifi._wlan.ioctl_set_connection_policy(0, 0, 0);
 #ifndef CC3000_TINY_DRIVER
-            connect_to_ssid(SSID, AP_KEY, AP_SECURITY);
+    connect_to_ssid(SSID, AP_KEY, AP_SECURITY);
 #else
-            connect_to_ssid(SSID);
+    connect_to_ssid(SSID);
 #endif
-            break;
-        case '8':
-            printf("Erasing all wireless profiles. \r\n");
-            wifi.delete_profiles();
-            wifi.stop();
-            printf("Done - press the reset button on your board... \r\n");
-            while(1);
-
-        case '9':
-            printf("Starting Smart Config configuration. \r\n");
-            if (!user_info.FTC) {
-                printf("First Time Configuration was not run. \r\nSwitching to First Time Configuration. \r\n");
-                do_FTC();
-                wifi._wlan.stop();
-            } else {
-                start_smart_config();
-            }
-            while (wifi.is_dhcp_configured() == false)
-            {
-                wait_ms(500);
-                printf("Waiting for dhcp to be set. \r\n");
-            }
-            printf("Press the reset button on your board and select 0... \r\n");
-            while(1);
-        default:
-            printf("Wrong selection. \r\n");
-            printf("Reset the board and try again. \r\n");
-            break;
-    }
 
     printf("DHCP request \r\n");
     while (wifi.is_dhcp_configured() == false) {
@@ -206,26 +448,16 @@
     wifi.get_ip_config(&ipinfo2); // data is returned in the ipinfo2 structure
     printf("DHCP assigned IP Address = %d.%d.%d.%d \r\n", ipinfo2.aucIP[3], ipinfo2.aucIP[2], ipinfo2.aucIP[1], ipinfo2.aucIP[0]);
 
-    char python_msg[] = "Hello Python\n";
-    TCPSocketServer server;
-    TCPSocketConnection client;
-
-    server.bind(15000);
-    server.listen();
+    // Bind the socket and configure NSP settings
+    nsp_connect();
+ 
+    // Initalize NanoService library
+    nsdl_init();
 
-    while (1) {
-        int32_t status = server.accept(client);
-        if (status >= 0) {
-            client.set_blocking(false, 1500); // Timeout after (1.5)s
-            printf("Connection from: %s \r\n", client.get_address());
-            char buffer[256];
-            int stat = client.receive(buffer, sizeof(buffer));
-            if (stat >=0) {
-                printf("Received: %s \r\n",buffer);
-                printf("Sending the message to the server. \r\n");
-                client.send_all(python_msg, sizeof(python_msg));
-                client.close();
-            }
-        }
-    }
+    // Create resources & register with NSP
+    create_resources(); 
+     
+    // Start socket listening loop
+    socket_event_loop();
+
 }