00001
00083 #include <dev/board.h>
00084
00085 #include <sys/heap.h>
00086 #include <sys/thread.h>
00087 #include <sys/timer.h>
00088 #include <sys/socket.h>
00089
00090 #include <stdlib.h>
00091 #include <stdio.h>
00092 #include <string.h>
00093 #include <io.h>
00094 #include <fcntl.h>
00095
00096 #include <arpa/inet.h>
00097
00098 #include <pro/dhcp.h>
00099
00100 #define BUFFERSIZE 128
00101 #define TCPPORT 23
00102
00103 typedef struct {
00104 FILE *cd_rs232;
00105 FILE *cd_tcpip;
00106 char cd_connected;
00107 } CHANNEL;
00108
00109
00110
00111
00112 void StreamCopy(FILE * istream, FILE * ostream, char *cop)
00113 {
00114 int cnt;
00115 char *buff;
00116
00117 buff = malloc(BUFFERSIZE);
00118 while (*cop) {
00119 if ((cnt = fread(buff, 1, BUFFERSIZE, istream)) <= 0)
00120 break;
00121 if (*cop && (cnt = fwrite(buff, 1, cnt, ostream)) <= 0)
00122 break;
00123 if (*cop && fflush(ostream))
00124 break;
00125 }
00126 *cop = 0;
00127 free(buff);
00128 }
00129
00130
00131
00132
00133 THREAD(Receiver, arg)
00134 {
00135 CHANNEL *cdp = arg;
00136
00137 for (;;) {
00138 if (cdp->cd_connected) {
00139 NutThreadSetPriority(64);
00140
00141
00142
00143
00144 StreamCopy(cdp->cd_rs232, cdp->cd_tcpip, &cdp->cd_connected);
00145 NutThreadSetPriority(128);
00146 }
00147 NutThreadYield();
00148 }
00149 }
00150
00151
00152
00153
00154
00155
00156 int main(void)
00157 {
00158 TCPSOCKET *sock;
00159 CHANNEL cd;
00160 u_long baud = 9600;
00161
00162
00163
00164
00165 NutRegisterDevice(&DEV_UART, 0, 0);
00166 NutRegisterDevice(&DEV_ETHER, 0x8300, 5);
00167
00168
00169
00170
00171 cd.cd_rs232 = fopen(DEV_UART_NAME, "r+b");
00172 _ioctl(_fileno(cd.cd_rs232), UART_SETSPEED, &baud);
00173
00174
00175
00176
00177
00178
00179 if (NutDhcpIfConfig(DEV_ETHER_NAME, 0, 60000)) {
00180
00181 u_char my_mac[] = { 0x00, 0x06, 0x98, 0x20, 0x00, 0x00 };
00182
00183 if (NutDhcpIfConfig("eth0", my_mac, 60000)) {
00184
00185 u_long ip_addr = inet_addr("192.168.192.100");
00186 u_long ip_mask = inet_addr("255.255.255.0");
00187
00188 NutNetIfConfig("eth0", my_mac, ip_addr, ip_mask);
00189
00190
00191 }
00192 }
00193
00194
00195
00196
00197 NutThreadCreate("xmit", Receiver, &cd, 512);
00198
00199
00200
00201
00202 cd.cd_connected = 0;
00203 for (;;) {
00204
00205
00206
00207 sock = NutTcpCreateSocket();
00208 NutTcpAccept(sock, TCPPORT);
00209
00210
00211
00212
00213 cd.cd_tcpip = _fdopen((int) sock, "r+b");
00214 cd.cd_connected = 1;
00215
00216
00217
00218
00219
00220 StreamCopy(cd.cd_tcpip, cd.cd_rs232, &cd.cd_connected);
00221
00222
00223
00224
00225 fclose(cd.cd_tcpip);
00226
00227
00228
00229
00230 NutTcpCloseSocket(sock);
00231 }
00232 return 0;
00233 }