main.cpp

00001 #include "mbed.h"
00002 #include "EthernetNetIf.h"
00003 #include "TCPSocket.h"
00004 
00005 #include "a101.h"
00006 #include "string.h"
00007 
00008 #define LED_LENGTH 24
00009 #define TAPE_LENGTH 10
00010 #define TCP_LISTENING_PORT 50505
00011 
00012             
00013 char color[] = "0x000000";
00014 char *error;
00015 int ledColors[LED_LENGTH*TAPE_LENGTH] = {0};
00016 a101 ledTape(p13, p14, LED_LENGTH, TAPE_LENGTH);
00017 
00018 void onTCPSocketEvent(TCPSocketEvent e) ;
00019 void onConnectedTCPSocketEvent(TCPSocketEvent e) ;
00020 
00021 EthernetNetIf eth;
00022 TCPSocketErr tcpErr ;
00023 TCPSocket tcpSock ;
00024 TCPSocket* pConnectedSock ;
00025 Host client ;
00026 
00027 int main() {
00028     printf("Setting up...\r\n");
00029     EthernetErr ethErr = eth.setup() ;
00030     if ( ethErr != ETH_OK ) {
00031         printf("Error %d in setup.\r\n", ethErr ) ;
00032     return -1 ;
00033     }
00034     printf("Setup OK\r\n") ;
00035     IpAddr ip = eth.getIp() ;
00036     printf("mbed IP Address is [%d.%d.%d.%d]\r\n", ip[0], ip[1], ip[2], ip[3] ) ;
00037 
00038     tcpSock.setOnEvent(&onTCPSocketEvent) ;
00039 
00040     printf("Bindding...\r\n") ;
00041     tcpErr = tcpSock.bind(Host(IpAddr(), TCP_LISTENING_PORT)) ;
00042     if ( tcpErr != ETH_OK ){
00043         printf("Bindding Error.\r\n") ;
00044         return -1 ;
00045     }
00046     
00047     printf("Listen...\r\n");
00048     tcpErr = tcpSock.listen() ;
00049     if ( tcpErr != ETH_OK ){
00050         printf("Listen Error.\r\n") ;
00051         return -1 ;
00052     }
00053 
00054     while(1) {
00055         Net::poll() ;
00056     }
00057 }
00058 
00059 void onTCPSocketEvent(TCPSocketEvent e) {
00060     if (e != TCPSOCKET_ACCEPT) return;
00061     
00062     printf("Listening: TCP Socket Accepted\r\n") ;
00063 
00064     tcpErr = tcpSock.accept(&client, &pConnectedSock) ;
00065     if (tcpErr != TCPSOCKET_OK) {
00066         printf("onTCPSocketEvent Error\r\n") ;
00067         return ;
00068     }
00069 
00070     pConnectedSock->setOnEvent(&onConnectedTCPSocketEvent) ;
00071         
00072     IpAddr clientIp = client.getIp();
00073         printf("Controler IP Address is [%d.%d.%d.%d]. \r\n", clientIp[0], clientIp[1], clientIp[2], clientIp[3]);
00074 }
00075 
00076 void onConnectedTCPSocketEvent(TCPSocketEvent e) {
00077     char buf[3000];
00078 
00079     switch(e) {
00080         case TCPSOCKET_CONNECTED:
00081             printf("Connected to host.\r\n");
00082             break ;
00083         case TCPSOCKET_WRITEABLE:
00084             printf("Can write data to buf.\r\n");
00085             break ;
00086         case TCPSOCKET_READABLE:
00087             pConnectedSock->recv(buf, sizeof(buf));
00088             for (int i = 0; i < LED_LENGTH*TAPE_LENGTH; i++) {
00089                 for (int j = 0; j < 6; j++) {
00090                     color[j+2] = buf[i*6+j];
00091                 }
00092                 ledColors[i] = strtol(color, &error, 0);
00093             }
00094             ledTape.post(ledColors);
00095             break ;
00096         case TCPSOCKET_CONTIMEOUT:
00097             printf("Connection timed out.\r\n");
00098             break;
00099         case TCPSOCKET_CONRST:
00100             printf("Connection was reset by remote host.\r\n");
00101             break;
00102         case TCPSOCKET_CONABRT:
00103             printf("Connection was aborted.\r\n");
00104             break;
00105         case TCPSOCKET_ERROR:
00106             printf("Unknown error.\r\n");
00107             break;
00108         case TCPSOCKET_DISCONNECTED:
00109             printf("TCP Socket Disconnected\r\n");
00110             pConnectedSock->close() ;
00111             break;
00112     }
00113 }
00114