int main (int argc, char* argv[]) { (void) argc; (void) argv; Timebase.TB1Sec = 0; GPIOPinTypeGPIOOutput(GPIO_PORTF_BASE, GPIO_PIN_2); // Light sensor initialized. LightSensorInit(); // 7 Segment Init LedInit(); SystemTickInit(); // Enable interrupt IntMasterEnable(); //Write7SegRam(TestNum); while(1); }
int main() { // Initialize Sockets and IP address containers // SOCKET serverSock, clientSock = INVALID_SOCKET; IP_ADDR curr_ip, ip; // Initialize buffer length variables // int rlen, sent, bytesSent; // Initialize the Send/Recv buffers // char rbfr[10]; // Socket struct descriptor // struct sockaddr_in addr; int addrlen = sizeof(struct sockaddr_in); // System clock containers // unsigned int sys_clk, pb_clk; // Initialize LED Variables: // Setup the LEDs on the PIC32 board // RD0, RD1 and RD2 as outputs // mPORTDSetPinsDigitalOut(BIT_0 | BIT_1 | BIT_2 ); mPORTDClearBits(BIT_0 | BIT_1 | BIT_2); // Clear previous LED status. // Setup the switches on the PIC32 board as inputs // mPORTDSetPinsDigitalIn(BIT_6 | BIT_7 | BIT_13); // RD6, RD7, RD13 as inputs // Setup the system clock to use CPU frequency // sys_clk = GetSystemClock(); pb_clk = SYSTEMConfigWaitStatesAndPB(sys_clk); // interrupts enabled INTEnableSystemMultiVectoredInt(); // system clock enabled SystemTickInit(sys_clk, TICKS_PER_SECOND); // Initialize TCP/IP // TCPIPSetDefaultAddr(DEFAULT_IP_ADDR, DEFAULT_IP_MASK, DEFAULT_IP_GATEWAY, DEFAULT_MAC_ADDR); if (!TCPIPInit(sys_clk)) return -1; DHCPInit(); // Port to bind socket to // addr.sin_port = 6653; addr.sin_addr.S_un.S_addr = IP_ADDR_ANY; // Initialize TCP server socket // if((serverSock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP)) == SOCKET_ERROR) return -1; // Ensure we bound to the socket. End Program if bind fails // if(bind(serverSock, (struct sockaddr*) &addr, addrlen ) == SOCKET_ERROR) return -1; // Listen to up to five clients on server socket // listen(serverSock, 5); // We store our desired transfer paragraph // char myStr[] = "TCP/IP (Transmission Control Protocol/Internet Protocol) is " "the basic communication language or protocol of the Internet. " "It can also be used as a communications protocol in a private " "network (either an intranet or an extranet). When you are set up " "with direct access to the Internet, your computer is provided " "with a copy of the TCP/IP program just as every other computer " "that you may send messages to or get information from also has " "a copy of TCP/IP. TCP/IP is a two-layer program. The higher " "layer, Transmission Control Protocol, manages the assembling " "of a message or file into smaller packets that are transmitted " "over the Internet and received by a TCP layer that reassembles " "the packets into the original message. The lower layer, " "Internet Protocol, handles the address part of each packet so " "that it gets to the right destination. Each gateway computer on " "the network checks this address to see where to forward the " "message. Even though some packets from the same message are " "routed differently than others, they'll be reassembled at the " "destination.\0"; // Chunk up our data // // Copy our string into our buffer // int tlen = strlen(myStr); char tbfr1[tlen1+1]; // Loop forever // while(1) { // Refresh TCIP and DHCP // TCPIPProcess(); DHCPTask(); // Get the machines IP address and save to variable // ip.Val = TCPIPGetIPAddr(); // DHCP server change IP address? // if(curr_ip.Val != ip.Val) curr_ip.Val = ip.Val; // TCP Server Code // if(clientSock == INVALID_SOCKET) { // Start listening for incoming connections // clientSock = accept(serverSock, (struct sockaddr*) &addr, &addrlen); // Upon connection to a client blink LEDS. // if(clientSock != INVALID_SOCKET) { setsockopt(clientSock, SOL_SOCKET, TCP_NODELAY, (char*)&tlen, sizeof(int)); mPORTDSetBits(BIT_0); // LED1=1 DelayMsec(50); mPORTDClearBits(BIT_0); // LED1=0 mPORTDSetBits(BIT_1); // LED2=1 DelayMsec(50); mPORTDClearBits(BIT_1); // LED2=0 mPORTDSetBits(BIT_2); // LED3=1 DelayMsec(50); mPORTDClearBits(BIT_2); // LED3=0 } } else { // We are connected to a client already. We start // by receiving the message being sent by the client // rlen = recvfrom(clientSock, rbfr, sizeof(rbfr), 0, NULL, NULL); // Check to see if socket is still alive // if(rlen > 0) { // If the received message first byte is '02' it signifies // a start of message // if (rbfr[0]==2) { //mPORTDSetBits(BIT_0); // LED1=1 // Check to see if message begins with // '0271' to see if the message is a a global reset // if(rbfr[1]==71) { mPORTDSetBits(BIT_0); // LED1=1 DelayMsec(50); mPORTDClearBits(BIT_0); // LED1=0 } } // If the received message starts with a second byte is // '84' it signifies a initiate transfer // if(rbfr[1]==84){ mPORTDSetBits(BIT_2); // LED3=1 bytesSent = 0; //sent = 0; while (bytesSent < tlen){ memcpy(tbfr1, myStr+bytesSent, tlen1); if (bytesSent > 1049){ tbfr1[tlen-bytesSent+1] = '\0'; send(clientSock, tbfr1, tlen-bytesSent+1, 0); } else{ tbfr1[tlen1] = '\0'; // Loop until we send the full message // send(clientSock, tbfr1, tlen1+1, 0); } bytesSent += tlen1; DelayMsec(50); } mPORTDClearBits(BIT_2); // LED3=0 } mPORTDClearBits(BIT_0); // LED1=0 } // The client has closed the socket so we close as well // else if(rlen < 0) { closesocket(clientSock); clientSock = SOCKET_ERROR; } } } }