Diff: main.cpp

Revision:

0:d3bd9c176482

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Dec 14 23:47:01 2018 +0000
@@ -0,0 +1,108 @@
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "FXOS8700Q.h"
+#include <stdio.h>
+#include <iostream>
+
+
+const int PORT = 7;
+
+static const char* SERVER_IP = "192.168.1.101"; //IP of server board
+static const char* CLIENT_IP = "192.168.1.102"; //IP of client board
+static const char* MASK = "255.255.255.0";      //mask          
+static const char* GATEWAY = "192.168.1.1";     //gateway
+
+
+/*--INITS-------------------------------------------------------------------------------*/
+Serial pc(USBTX, USBRX);        //create PC interface
+EthernetInterface eth;          //create ethernet
+UDPSocket sock;                 //creat Ethernet socket
+Endpoint server;                //create endpoint
+
+DigitalOut red(LED_RED);        //debug led
+DigitalOut green(LED_GREEN);    //debug led
+FXOS8700Q_acc acc( PTE25, PTE24, FXOS8700CQ_SLAVE_ADDR1);
+
+
+/*--VARIABLES---------------------------------------------------------------------------*/
+int n;                  //size of received message
+char* recieveBuffer = new char[23];      //create receive buffer
+char* sendBuffer = new char[23];  //sample send buffer
+std::string inStr;
+std::string outStr;
+
+
+/*--FUNCTION DECLARATIONS---------------------------------------------------------------*/
+void init_usb(void);    //initializes pc.printf if required
+void init_eth(void);    //initializes Ethernet
+void end_eth(void);     //closes Ethernet socket
+void printCharArr(char* arr);
+int main(void);         //main
+
+
+/*--FUNCTION DEFINITIONS---------------------------------------------------*****************************************************************************INIT_USB***/
+void init_usb(void)
+{
+    pc.baud(9600);    //baud
+    
+}   //end init_usb()
+
+/*****************************************************************************INIT_ETH***/
+void init_eth(void)
+{
+    eth.init(CLIENT_IP, MASK, GATEWAY);                                         //set up IP
+    eth.connect();                                                              //connect ethernet
+    pc.printf("\nCLIENT - Client IP Address is %s\r\n", eth.getIPAddress());    //get client IP address
+    
+    sock.init();                                                                //initialize socket
+    
+    server.set_address(SERVER_IP, PORT);                                        //set address of server
+    
+}   //end init_eth()
+
+/******************************************************************************END_ETH***/
+void end_eth(void)
+{
+    sock.close();       //close socket
+    eth.disconnect();   //close Ethernet
+    
+}   //end end_eth()
+
+void printCharArr(char* arr){
+    for(int i = 0; i < sizeof(arr); i++){
+        pc.printf("%c", arr[i]);
+    }
+}
+
+/*********************************************************************************MAIN***/
+int main(void)
+{
+    red = 0;                                                                                //client
+    green = 1;
+    
+    acc.enable();
+    float faX, faY;
+        
+    init_usb();                                                                             //initialize the PC interface
+    init_eth();                                                                             //initialize the Ethernet connection
+
+    while(true)                                                                             //repeat forever
+    {
+        acc.getX(&faX);
+        acc.getY(&faY);
+        sprintf(sendBuffer, "X:'% 5.3f' Y:'% 5.3f'\0", faX, faY);
+        pc.printf("\nCLIENT - Sending");
+        printCharArr(sendBuffer); 
+        pc.printf(" to server %s\r\n",  SERVER_IP);       //print message to send
+        sock.sendTo(server, sendBuffer, sizeof(sendBuffer)+1);                                      //send message
+        pc.printf("CLIENT - Waiting for UDP packet...\r\n");                                //wait for message
+        n = sock.receiveFrom(server, recieveBuffer, 23);                         //receive message from server
+        pc.printf("CLIENT - Received ");
+        printCharArr(recieveBuffer);
+        pc.printf(" from server %s\r\n", SERVER_IP);    //print message received
+        
+        
+        wait(1);                                                                            //wait 1 second
+    }
+    
+}   //end main()