int init_module(void)
{
unsigned int local_ip;
unsigned int server_ip = rt_inet_aton(server_ip_s);
struct rtnet_callback callback = {echo_rcv, NULL};
if (strlen(local_ip_s) != 0)
local_ip = rt_inet_aton(local_ip_s);
else
local_ip = INADDR_ANY;
if (interval < 1) interval = 1;
if (interval > 1000) interval = 1000;
if (packetsize < 1) packetsize = 1;
if (packetsize > 1400) packetsize = 1400;
printk("***** start of rt_client ***** %s %s *****\n", __DATE__, __TIME__);
printk("local ip address %s=%08x\n", local_ip_s, local_ip);
printk("server ip address %s=%08x\n", server_ip_s, server_ip);
printk("interval = %d\n", interval);
printk("packetsize = %d\n", packetsize);
printk("start timer %d\n", start_timer);
rtf_create(PRINT, 8000);
/* create rt-socket */
sock = socket_rt(AF_INET,SOCK_DGRAM,0);
/* bind the rt-socket to local_addr */
memset(&local_addr, 0, sizeof(struct sockaddr_in));
local_addr.sin_family = AF_INET;
local_addr.sin_port = htons(RCV_PORT);
local_addr.sin_addr.s_addr = local_ip;
bind_rt(sock, (struct sockaddr *)&local_addr, sizeof(struct sockaddr_in));
/* set server-addr */
memset(&server_addr, 0, sizeof(struct sockaddr_in));
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(SRV_PORT);
server_addr.sin_addr.s_addr = server_ip;
/* set up callback handler */
ioctl_rt(sock, RTNET_RTIOC_CALLBACK, &callback);
if (start_timer) {
rt_set_oneshot_mode();
start_rt_timer(0);
}
rt_task_init(&rt_task,(void *)process,0,4096,10,0,NULL);
rt_task_make_periodic_relative_ns(&rt_task, 1000000,
(RTIME)interval * 1000000);
return 0;
}
int init_module(void)
{
unsigned int add_rtskbs = 30;
int ret;
unsigned long local_ip;
unsigned long client_ip;
if (strlen(local_ip_s) != 0)
local_ip = rt_inet_aton(local_ip_s);
else
local_ip = INADDR_ANY;
client_ip = rt_inet_aton(client_ip_s);
if (reply_size < sizeof(nanosecs_t))
reply_size = sizeof(nanosecs_t);
rtos_print("local ip address %s(%8x):%d\n", local_ip_s,
(unsigned int)local_ip, RCV_PORT);
rtos_print("client ip address %s(%8x):%d\n", client_ip_s,
(unsigned int)client_ip, XMT_PORT);
rtos_print("reply message size=%d\n", reply_size);
/* create rt-socket */
rtos_print("create rtsocket\n");
if ((sock = socket_rt(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
rtos_print("socket not created\n");
return sock;
}
/* bind the rt-socket to local_addr */
rtos_print("bind rtsocket to local address:port\n");
memset(&local_addr, 0, sizeof(struct sockaddr_in));
local_addr.sin_family = AF_INET;
local_addr.sin_port = htons(RCV_PORT);
local_addr.sin_addr.s_addr = local_ip;
if ((ret = bind_rt(sock, (struct sockaddr *)&local_addr,
sizeof(struct sockaddr_in))) < 0) {
close_rt(sock);
rtos_print("can't bind rtsocket\n");
return ret;
}
/* set client-addr */
rtos_print("connect rtsocket to client address:port\n");
memset(&client_addr, 0, sizeof(struct sockaddr_in));
client_addr.sin_family = AF_INET;
client_addr.sin_port = htons(XMT_PORT);
client_addr.sin_addr.s_addr = client_ip;
if ((ret = connect_rt(sock, (struct sockaddr *)&client_addr,
sizeof(struct sockaddr_in))) < 0) {
close_rt(sock);
rtos_print("can't connect rtsocket\n");
return ret;
}
/* extend the socket pool */
ret = ioctl_rt(sock, RTNET_RTIOC_EXTPOOL, &add_rtskbs);
if (ret != (int)add_rtskbs) {
close_rt(sock);
rtos_print("ioctl_rt(RTNET_RTIOC_EXTPOOL) = %d\n", ret);
return -1;
}
ret = rtos_task_init(&rt_task, (void *)process, 0, 10);
return ret;
}
int init_module(void)
{
unsigned int add_rtskbs = 30;
int ret;
unsigned long local_ip;
unsigned long server_ip;
if (strlen(local_ip_s) != 0)
local_ip = rt_inet_aton(local_ip_s);
else
local_ip = INADDR_ANY;
server_ip = rt_inet_aton(server_ip_s);
rtf_create(PRINT_FIFO, 40000);
rt_sem_init(&tx_sem, 0);
rt_printk("local ip address %s=%8x\n", local_ip_s, (unsigned int) local_ip);
rt_printk("server ip address %s=%8x\n", server_ip_s, (unsigned int) server_ip);
/* create rt-socket */
rt_printk("create rtsocket\n");
if ((sock = socket_rt(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
rt_printk("socket not created\n");
return sock;
}
/* extend the socket pool */
ret = ioctl_rt(sock, RTNET_RTIOC_EXTPOOL, &add_rtskbs);
if (ret != (int)add_rtskbs) {
close_rt(sock);
rt_printk("ioctl_rt(RTNET_RTIOC_EXTPOOL) = %d\n", ret);
return -1;
}
/* bind the rt-socket to local_addr */
local_addr.sin_family = AF_INET;
local_addr.sin_port = htons(RCV_PORT);
local_addr.sin_addr.s_addr = local_ip;
if ((ret = bind_rt(sock, (struct sockaddr *)&local_addr,
sizeof(struct sockaddr_in))) < 0) {
close_rt(sock);
rt_printk("can't bind rtsocket\n");
return ret;
}
/* set server-addr */
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(SRV_PORT);
server_addr.sin_addr.s_addr = server_ip;
rt_task_init(&xmit_task,(void *)process,0,4096,10,0,NULL);
rt_task_resume(&xmit_task);
rt_task_init(&recv_task,(void *)echo_rcv,0,4096,9,0,NULL);
rt_task_resume(&recv_task);
rt_request_global_irq(parirq, parport_irq_handler);
rt_startup_irq(parirq);
outb(0xFF, PAR_DATA);
outb(0x14 + KHZ0_1, PAR_CONTROL);
return ret;
}
int main(int argc, char *argv[])
{
int ret;
unsigned int i;
struct sockaddr_in local_addr;
struct in_addr dest_ip;
while (1) {
switch (getopt(argc, argv, "d:s:t")) {
case 'd':
dest_ip_s = optarg;
break;
case 's':
size = atoi(optarg);
break;
case 't':
start_timer = 1;
break;
case -1:
goto end_of_opt;
default:
printf("usage: %s -d <dest_ip> -s <size> -t\n", argv[0]);
return 0;
}
}
end_of_opt:
inet_aton(dest_ip_s, &dest_ip);
if (size > 65505)
size = 65505;
signal(SIGTERM, catch_signal);
signal(SIGINT, catch_signal);
mlockall(MCL_CURRENT|MCL_FUTURE);
printf("destination ip address %s=%08x\n", dest_ip_s, dest_ip.s_addr);
printf("size %d\n", size);
printf("start timer %d\n", start_timer);
/* fill output buffer with test pattern */
for (i = 0; i < sizeof(buffer_out); i++)
buffer_out[i] = i & 0xFF;
/* create rt-socket */
sock = socket_rt(AF_INET,SOCK_DGRAM,0);
if (sock < 0) {
printf(" socket_rt() = %d!\n", sock);
return sock;
}
/* extend the socket pool */
ret = ioctl_rt(sock, RTNET_RTIOC_EXTPOOL, &add_rtskbs);
if (ret != (int)add_rtskbs) {
printf(" ioctl_rt(RT_IOC_SO_EXTPOOL) = %d\n", ret);
close_rt(sock);
return -1;
}
/* bind the rt-socket to a port */
memset(&local_addr, 0, sizeof(struct sockaddr_in));
local_addr.sin_family = AF_INET;
local_addr.sin_port = htons(PORT);
local_addr.sin_addr.s_addr = INADDR_ANY;
ret = bind_rt(sock, (struct sockaddr *)&local_addr, sizeof(struct sockaddr_in));
if (ret < 0) {
printf(" bind_rt() = %d!\n", ret);
close_rt(sock);
return ret;
}
/* set destination address */
memset(&dest_addr, 0, sizeof(struct sockaddr_in));
dest_addr.sin_family = AF_INET;
dest_addr.sin_port = htons(PORT);
dest_addr.sin_addr = dest_ip;
if (start_timer) {
rt_timer_start(TM_ONESHOT);
}
ret = rt_task_create(&rt_recv_task, "Receiver", 0, 10, 0);
if (ret != 0) {
printf(" rt_task_create(recv) = %d!\n", ret);
close_rt(sock);
return ret;
}
ret = rt_task_create(&rt_xmit_task, "Sender", 0, 9, 0);
if (ret != 0) {
printf(" rt_task_create(xmit) = %d!\n", ret);
close_rt(sock);
rt_task_delete(&rt_recv_task);
return ret;
}
rt_task_start(&rt_recv_task, recv_msg, NULL);
rt_task_start(&rt_xmit_task, xmit_msg, NULL);
pause();
if (start_timer)
rt_timer_stop();
/* Important: First close the socket! */
while (close_rt(sock) == -EAGAIN) {
printf("frag-ip: Socket busy - waiting...\n");
sleep(1);
}
rt_task_delete(&rt_xmit_task);
rt_task_delete(&rt_recv_task);
return 0;
}
int init_module(void)
{
unsigned int nonblock = 1;
struct sockaddr_in local_addr;
struct rtnet_callback callback = {sync_callback, NULL};
rtos_print("rt_event is using the following parameters:\n"
" mode = %s\n"
" io = 0x%04X\n"
" irq = %d\n"
" my_ip = %s\n"
" dest_ip = %s\n",
(mode == MODE_PAR) ? "parallel port" : "serial port",
io, irq, my_ip, dest_ip);
tdma = open_rt(rtmac_dev, O_RDONLY);
if (tdma < 0) {
rtos_print("ERROR: RTmac/TDMA not loaded!\n");
return -ENODEV;
}
sock = socket_rt(AF_INET,SOCK_DGRAM,0);
memset(&local_addr, 0, sizeof(struct sockaddr_in));
local_addr.sin_family = AF_INET;
local_addr.sin_port = htons(SYNC_PORT);
local_addr.sin_addr.s_addr =
(strlen(my_ip) != 0) ? rt_inet_aton(my_ip) : INADDR_ANY;
bind_rt(sock, (struct sockaddr*)&local_addr, sizeof(struct sockaddr_in));
/* switch to non-blocking */
ioctl_rt(sock, RTNET_RTIOC_NONBLOCK, &nonblock);
memset(&dest_addr, 0, sizeof(struct sockaddr_in));
dest_addr.sin_family = AF_INET;
dest_addr.sin_port = htons(REPORT_PORT);
dest_addr.sin_addr.s_addr = rt_inet_aton(dest_ip);
ioctl_rt(sock, RTNET_RTIOC_CALLBACK, &callback);
rtos_event_sem_init(&event_sem);
if (rtos_irq_request(&irq_handle, irq, irq_handler, NULL) != 0) {
rtos_print("ERROR: irq not available!\n");
rtos_event_sem_delete(&event_sem);
return -EINVAL;
}
if (mode == MODE_PAR) {
/* trigger interrupt on Acknowledge pin (10) */
outb(0x10, PAR_CONTROL);
}
else {
/* don't forget to specify io and irq (e.g. 0x3F8 / 4) */
outb(0x00, SER_LCR);
outb(0x00, SER_IER);
/* clear irq sources */
while ((inb(SER_IIR) & 0x01) == 0) {
rtos_print("Loop init\n");
inb(SER_LSR);
inb(SER_DATA);
inb(SER_MSR);
}
/* enable RTS output and set OUT2 */
outb(0x0A, SER_MCR);
/* trigger interrupt on modem status line change */
outb(0x00, SER_LCR);
outb(0x0D, SER_IER);
}
rtos_irq_enable(&irq_handle);
return rtos_task_init(&task, event_handler, 0, 10);
}
int main(int argc, char *argv[]) {
int sockfd = 0;
int ret = 0;
RT_TASK *lxrtnettsk;
char msg[] = "This message was sent using rtnet_lxrt.";
/* Set address structures to zero. */
memset(&local_addr, 0, sizeof(struct sockaddr_in));
memset(&server_addr, 0, sizeof(struct sockaddr_in));
printf("RTnet, simpleclient for NEWLXRT\n");
/* Check arguments and set addresses. */
if (argc == 4) {
local_addr.sin_family = AF_INET;
local_addr.sin_addr.s_addr = INADDR_ANY;
local_addr.sin_port = htons(atoi(argv[1]));
server_addr.sin_family = AF_INET;
inet_aton(argv[2], &server_addr.sin_addr);
server_addr.sin_port = htons(atoi(argv[3]));
} else {
fprintf(stderr,
"Usage: "
"%s <local-port> "
"<server-ip> <server-port>\n",
argv[0]);
exit(1);
}
/* Lock allocated memory into RAM. */
mlockall(MCL_CURRENT|MCL_FUTURE);
/* Create new socket. */
sockfd = socket_rt(AF_INET, SOCK_DGRAM, 0);
if (sockfd < 0) {
printf("Error opening socket: %d\n", sockfd);
exit(1);
}
/* Initialize a real time buddy. */
lxrtnettsk = rt_task_init(4800, 1, 0, 0);
if (NULL == lxrtnettsk) {
close_rt(sockfd);
printf("CANNOT INIT MASTER TASK\n");
exit(1);
}
/* Switch over to hard realtime mode. */
rt_make_hard_real_time();
/* Bind socket to local address specified as parameter. */
ret = bind_rt(sockfd, (struct sockaddr *) &local_addr,
sizeof(struct sockaddr_in));
/* Specify destination address for socket; needed for rt_socket_send(). */
connect_rt(sockfd, (struct sockaddr *) &server_addr,
sizeof(struct sockaddr_in));
/* Send a message. */
send_rt(sockfd, msg, sizeof(msg), 0);
/* Switch over to soft realtime mode. */
rt_make_soft_real_time();
/* Close socket.
* Note: call must be in soft-mode because socket was created as non-rt! */
close_rt(sockfd);
/* Delete realtime buddy. */
rt_task_delete(lxrtnettsk);
return 0;
}
