File content as of revision 2:8fb99c9f5075:

/* =====================================================================
   Copyright © 2016, Avnet (R)

   Contributors:
     * James M Flynn, www.em.avnet.com 
 
   Licensed under the Apache License, Version 2.0 (the "License"); 
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, 
   software distributed under the License is distributed on an 
   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
   either express or implied. See the License for the specific 
   language governing permissions and limitations under the License.

    @file          WNCInterface.cpp
    @version       1.0
    @date          Sept 2016

======================================================================== */

#include "mbed.h"
#include "WNCInterface.h"

#include "Socket/Socket.h"
#include "Socket/TCPSocketConnection.h"
#include "Socket/UDPSocket.h"

#define DEBUG
#define MBED_PLATFORM
#include "HTTPClient.h"

#define CRLF    "\n\r"

#define ntohl(n)    ((n & 0xff) << 24) |\
                    ((n & 0xff00) << 8) |\
                    ((n & 0xff0000UL) >> 8) |\
                    ((n & 0xff000000UL) >> 24)
    
int main() {
    int ret;
    WNCInterface wnc;
    MODSERIAL pc(USBTX,USBRX,256,256);
    
    pc.baud(115200);
    printf("STARTING WNCInterface & Socket Test" CRLF);
    
    ret = wnc.init();                     
    printf("WNC Module %s initialized (%02X)." CRLF, ret?"IS":"IS NOT", ret);
    if( !ret ) {
        printf(" - - - - - - - ALL DONE - - - - - - - " CRLF);
        while(1);
    }
        
    ret = wnc.connect();                 
    printf("IP Address: %s " CRLF CRLF, wnc.getIPAddress());
//
//demonstrate a TCP connection
//
    TCPSocketConnection tsock;
    printf("\n\n\n\n------------------------------------" CRLF "starting TCP Socket Test..." CRLF);

    tsock.connect("mbed.org", 80);
    printf("Connected!" CRLF );
    char http_cmd[] = "GET /media/uploads/mbed_official/hello.txt HTTP/1.0\n\n";
    ret=tsock.send_all(http_cmd, sizeof(http_cmd)-1);
    printf("TCP Socket sent %d bytes.\r\n",ret);    
    char buffer[1500];

    tsock.set_blocking (false, 1000);    
    while (ret>0) {
        ret = tsock.receive(buffer, sizeof(buffer)-1);
        buffer[ret] = '\0';
        if( ret > 0 )
            printf("Received %d chars from server:" CRLF "<----->" CRLF "%s" CRLF 
                   "<----->" CRLF, ret, buffer);
    }
    tsock.close();      

//
//demonstrate a UDP connection
//
    printf("\n\n\n\n-------------------------------------" CRLF);
    printf(        "starting UDP Socket Test..." CRLF);

//#define UDP_URL "utcnist.colorado.edu"
//#define UDP_PORT 37
#define UDP_URL "pool.ntp.org"
#define UDP_PORT 123

    UDPSocket usock;
    usock.init();
    Endpoint nist;

    nist.set_address(UDP_URL, UDP_PORT);
    printf("Endpoing set to '%s'/%s/%d, try sending data." CRLF,
        UDP_URL, nist.get_address(), nist.get_port());
    
//    char out_buffer[] = "plop"; // Does not matter

  char out_buffer[48];
    out_buffer[0] = 0xE3;         // LI, Version, Mode
    out_buffer[1] = 0;            // Stratum, or type of clock
    out_buffer[2] = 6;            // Polling Interval
    out_buffer[3] = 0xEC;         // Peer Clock Precision
    // 8 bytes of zero for Root Delay & Root Dispersion
    out_buffer[12]  = 49;
    out_buffer[13]  = 0x4E;
    out_buffer[14]  = 49;
    out_buffer[15]  = 52;

    ret = usock.sendTo(nist, out_buffer, sizeof(out_buffer));
    printf("sent buffer to UDP IP/Port (ret=%d)" CRLF "Now try receiving." CRLF,ret);


    usock.set_blocking (false, 1000);    
    char in_buffer[50];
    int n = usock.receiveFrom(nist, in_buffer, sizeof(in_buffer));
    
    printf("Received %d bytes via UDP IP address %s on port %d." CRLF, 
            n, nist.get_address(), nist.get_port());
    
    usock.close();

//
//demonstrate HTTPClient operations
//
    HTTPClient http;
    char str[512];

    printf("\n\n\n\n-------------------------------------" CRLF);
    printf(        "starting HTTPClient Socket Test..." CRLF);

    //GET data
    printf(">>>>Fetch a page..." CRLF);

    ret = http.get("http://developer.mbed.org/media/uploads/mbed_official/hello.txt", str, strlen(str));
    if (!ret)
    {
      printf("Page fetched successfully - read %d characters" CRLF, strlen(str));
      printf("<----->" CRLF "Result: %s" CRLF "<----->" CRLF, str); 
    }
    else
    {
      printf("Error - ret = %d - HTTP return code = %d" CRLF, ret, http.getHTTPResponseCode());
    }

    //POST data
    HTTPMap map;
    HTTPText inText(str, 512);
    map.put("Hello", "World");
    map.put("test", "1234");

    printf(CRLF CRLF ">>>>Post data..." CRLF);
    ret = http.post("http://httpbin.org/post", map, &inText);
    if (!ret)
    {
      printf("Executed POST successfully - read %d characters" CRLF, strlen(str));
      printf("<----->" CRLF );
      printf("Result: %s" CRLF "<----->" CRLF, str);
    }
    else
    {
      printf("Error - ret = %d - HTTP return code = %d" CRLF, ret, http.getHTTPResponseCode());
    }
    
    //PUT data
    strcpy(str, "This is a PUT test!");
    HTTPText outText(str);
    printf(CRLF CRLF ">>>>Put data..." CRLF);
    ret = http.put("http://httpbin.org/put", outText, &inText);
    if (!ret)
    {
      printf("Executed PUT successfully - read %d characters" CRLF, strlen(str));
      printf("<----->" CRLF );
      printf("Result: %s" CRLF "<----->" CRLF, str); 
    }
    else
    {
      printf("Error - ret = %d - HTTP return code = %d" CRLF, ret, http.getHTTPResponseCode());
    }
    
    //DELETE data
    printf(CRLF CRLF ">>>>Delete data..." CRLF);
    ret = http.del("http://httpbin.org/delete", &inText);
    if (!ret)
    {
      printf("Executed DELETE successfully - read %d characters" CRLF, strlen(str));
      printf("<----->" CRLF );
      printf("Result: %s" CRLF "<----->" CRLF, str);
    }
    else
    {
      printf("Error - ret = %d - HTTP return code = %d" CRLF, ret, http.getHTTPResponseCode());
    }

    wnc.disconnect();
    printf(" - - - - - - - ALL DONE - - - - - - - " CRLF);
    while(1) {}
}