void csp_ping_noreply(uint8_t node) {
/* Prepare data */
csp_packet_t * packet;
packet = csp_buffer_get(1);
/* Check malloc */
if (packet == NULL)
return;
/* Open connection */
csp_conn_t * conn = csp_connect(CSP_PRIO_NORM, node, CSP_PING, 0, 0);
if (conn == NULL) {
csp_buffer_free(packet);
return;
}
packet->data[0] = 0x55;
packet->length = 1;
printf("Ping ignore reply node %u.\r\n", node);
/* Try to send frame */
if (!csp_send(conn, packet, 0))
csp_buffer_free(packet);
csp_close(conn);
}
int csp_ping(uint8_t node, uint32_t timeout, unsigned int size, uint8_t conn_options) {
int i;
uint32_t start, time, status = 0;
/* Counter */
start = csp_get_ms();
/* Open connection */
csp_conn_t * conn = csp_connect(CSP_PRIO_NORM, node, CSP_PING, timeout, conn_options);
if (conn == NULL)
return -1;
/* Prepare data */
csp_packet_t * packet;
packet = csp_buffer_get(size);
if (packet == NULL)
goto out;
/* Set data to increasing numbers */
packet->length = size;
for (i = 0; i < size; i++)
packet->data[i] = i;
/* Try to send frame */
if (!csp_send(conn, packet, 0))
goto out;
/* Read incoming frame */
packet = csp_read(conn, timeout);
if (packet == NULL)
goto out;
/* Ensure that the data was actually echoed */
for (i = 0; i < size; i++)
if (packet->data[i] != i)
goto out;
status = 1;
out:
/* Clean up */
if (packet != NULL)
csp_buffer_free(packet);
csp_close(conn);
/* We have a reply */
time = (csp_get_ms() - start);
if (status) {
return time;
} else {
return -1;
}
}
void gps_rx_cb (void * arg, uint8_t *buf, int len, void *pxTaskWoken)
{
gps_cfg_t *gps_cfg = (gps_cfg_t *) arg;
DEBUG("GPS_RX: %c\n", *buf);
if (*buf == '\n' || *buf == '\r') {
gps_fix_t *fix = gps_incr_fix();
int len = gps_buf_cur + 1;
int result = nmea_parse(gps_buf, len, fix);
memset(gps_buf, '\0', len);
gps_buf_cur = 0;
if (result != NMEA_OK) {
DEBUG("error parsing NMEA: %d\n", result);
return;
}
// Send location fix
if (NULL != gps_cfg->conn) {
DEBUG("Parsed NMEA sentence, sending message\n");
DEBUG("NMEA %02d:%02d:%02d.%03d\n", fix->hour, fix->minute,
fix->seconds, fix->milliseconds);
csp_packet_t * msg;
msg = csp_buffer_get(sizeof(gps_fix_t));
memcpy(msg->data, fix, sizeof(gps_fix_t));
//*((gps_fix_t*)msg->data) = *fix;
msg->length = sizeof(gps_fix_t);
if (!csp_send(gps_cfg->conn, msg, 1000)) {
DEBUG("csp_send failed\n");
csp_buffer_free(msg);
}
}
return;
}
gps_buf[gps_buf_cur++] = *buf;
DEBUG("GPS_BUF: %.*s\n", gps_buf_cur, gps_buf);
if (gps_buf_cur > GPS_BUFSIZE - 1) {
DEBUG("Too much data for GPS buffer, discarding");
gps_buf_cur = 0;
}
}
int csp_sfp_send(csp_conn_t * conn, void * data, int totalsize, int mtu, uint32_t timeout) {
int count = 0;
while(count < totalsize) {
/* Allocate packet */
csp_packet_t * packet = csp_buffer_get(mtu);
if (packet == NULL)
return -1;
/* Calculate sending size */
int size = totalsize - count;
if (size > mtu)
size = mtu;
/* Print debug */
csp_debug(CSP_PROTOCOL, "Sending SFP at %x size %u\r\n", data + count, size);
/* Copy data */
memcpy(packet->data, data + count, size);
packet->length = size;
/* Set fragment flag */
conn->idout.flags |= CSP_FFRAG;
/* Add SFP header */
sfp_header_t * sfp_header = csp_sfp_header_add(packet);
sfp_header->totalsize = csp_hton32(totalsize);
sfp_header->offset = csp_hton32(count);
/* Send data */
if (!csp_send(conn, packet, timeout)) {
csp_buffer_free(packet);
return -1;
}
/* Increment count */
count += size;
}
return 0;
}
/**
* Use an existing connection to perform a transaction,
* This is only possible if the next packet is on the same port and destination!
* @param conn pointer to connection structure
* @param timeout timeout in ms
* @param outbuf pointer to outgoing data buffer
* @param outlen length of request to send
* @param inbuf pointer to incoming data buffer
* @param inlen length of expected reply, -1 for unknown size (note inbuf MUST be large enough)
* @return
*/
int csp_transaction_persistent(csp_conn_t * conn, unsigned int timeout, void * outbuf, int outlen, void * inbuf, int inlen) {
/* Stupid way to implement max() but more portable than macros */
int size = outlen;
if (inlen > outlen)
size = inlen;
csp_packet_t * packet = csp_buffer_get(size);
if (packet == NULL)
return 0;
/* Copy the request */
if (outlen > 0 && outbuf != NULL)
memcpy(packet->data, outbuf, outlen);
packet->length = outlen;
if (!csp_send(conn, packet, timeout)) {
printf("Send failed\r\n");
csp_buffer_free(packet);
return 0;
}
/* If no reply is expected, return now */
if (inlen == 0)
return 1;
packet = csp_read(conn, timeout);
if (packet == NULL) {
printf("Read failed\r\n");
return 0;
}
if ((inlen != -1) && (packet->length != inlen)) {
printf("Reply length %u expected %u\r\n", packet->length, inlen);
csp_buffer_free(packet);
return 0;
}
memcpy(inbuf, packet->data, packet->length);
int length = packet->length;
csp_buffer_free(packet);
return length;
}
void csp_ps(uint8_t node, uint32_t timeout) {
/* Open connection */
csp_conn_t * conn = csp_connect(CSP_PRIO_NORM, node, CSP_PS, 0, 0);
if (conn == NULL)
return;
/* Prepare data */
csp_packet_t * packet;
packet = csp_buffer_get(95);
/* Check malloc */
if (packet == NULL)
goto out;
packet->data[0] = 0x55;
packet->length = 1;
printf("PS node %u: ", node);
/* Try to send frame */
if (!csp_send(conn, packet, 0))
goto out;
/* Read incoming frame */
packet = csp_read(conn, timeout);
if (packet == NULL) {
printf(" Timeout!\r\n");
goto out;
}
/* We have a reply */
printf("PS Length %u\r\n", packet->length);
printf("%s\r\n", packet->data);
/* Clean up */
out:
if (packet != NULL)
csp_buffer_free(packet);
csp_close(conn);
}
int csp_transaction_persistent(csp_conn_t * conn, uint32_t timeout, void * outbuf, int outlen, void * inbuf, int inlen) {
int size = (inlen > outlen) ? inlen : outlen;
csp_packet_t * packet = csp_buffer_get(size);
if (packet == NULL)
return 0;
/* Copy the request */
if (outlen > 0 && outbuf != NULL)
memcpy(packet->data, outbuf, outlen);
packet->length = outlen;
if (!csp_send(conn, packet, timeout)) {
csp_buffer_free(packet);
return 0;
}
/* If no reply is expected, return now */
if (inlen == 0)
{
return 1;
}
packet = csp_read(conn, timeout);
if (packet == NULL)
return 0;
if ((inlen != -1) && ((int)packet->length != inlen)) {
csp_log_error("Reply length %u expected %u\r\n", packet->length, inlen);
csp_buffer_free(packet);
return 0;
}
memcpy(inbuf, packet->data, packet->length);
int length = packet->length;
csp_buffer_free(packet);
return length;
}
int sendpacket() {
csp_packet_t *packet;
csp_conn_t *conn;
packet = csp_buffer_get(10);
if (packet == NULL) {
printf("failed to get packet in sendpacket()\n");
return CSP_TASK_RETURN;
}
conn = csp_connect(CSP_PRIO_NORM, MY_ADDRESS, MY_PORT, 1000, CSP_O_NONE);
if (conn == NULL) {
printf("Connection failed in sendpacket()\n");
return CSP_TASK_RETURN;
}
char *msg = "42!";
strcpy((char *) packet->data, msg);
packet->length = strlen(msg);
if (!csp_send(conn, packet, 1000)) {
printf("Sending packet from sendpacket() failed\n");
csp_buffer_free(packet);
}
csp_close(conn);
return;
}
void csp_service_handler(csp_conn_t * conn, csp_packet_t * packet) {
switch (csp_conn_dport(conn)) {
case CSP_CMP:
/* Pass to CMP handler */
if (csp_cmp_handler(conn, packet) != CSP_ERR_NONE) {
csp_buffer_free(packet);
return;
}
break;
case CSP_PING:
/* A ping means, just echo the packet, so no changes */
csp_log_info("SERVICE: Ping received\r\n");
break;
case CSP_PS: {
csp_sys_tasklist((char *)packet->data);
packet->length = strlen((char *)packet->data);
packet->data[packet->length] = '\0';
packet->length++;
break;
}
case CSP_MEMFREE: {
uint32_t total = csp_sys_memfree();
total = csp_hton32(total);
memcpy(packet->data, &total, sizeof(total));
packet->length = sizeof(total);
break;
}
case CSP_REBOOT: {
uint32_t magic_word;
memcpy(&magic_word, packet->data, sizeof(magic_word));
magic_word = csp_ntoh32(magic_word);
/* If the magic word is invalid, return */
if (magic_word != 0x80078007) {
csp_buffer_free(packet);
return;
}
/* Otherwise Reboot */
csp_sys_reboot();
csp_buffer_free(packet);
return;
}
case CSP_BUF_FREE: {
uint32_t size = csp_buffer_remaining();
size = csp_hton32(size);
memcpy(packet->data, &size, sizeof(size));
packet->length = sizeof(size);
break;
}
case CSP_UPTIME: {
uint32_t time = csp_get_s();
time = csp_hton32(time);
memcpy(packet->data, &time, sizeof(time));
packet->length = sizeof(time);
break;
}
/** @brief Returns route information
* If no data received, sends back number of routes that exist,
* otherwise returns up to nodes_requested, starting at index parameter
* First parameter is index of table to start at, and
* second parameter is number of indeces to return
*/
case CSP_GET_ROUTE: {
//if there is no data, return number of routes that exist
if(packet->length == 0)
{
uint8_t routes_left = csp_num_routes_left(0);
packet->length = sizeof(routes_left);
memcpy(&packet->data[0], &routes_left, sizeof(routes_left));
break;
}
//otherwise, return node information
csp_route_t * route;
uint8_t start_index,i, j, nodes_requested, routes_left;
memcpy(&start_index, &packet->data[0], sizeof(start_index));
memcpy(&nodes_requested, &packet->data[1], sizeof(nodes_requested));
csp_route_info return_info[nodes_requested];
memset(return_info, 0x00, sizeof(return_info));
//don't attempt to read beyond size of routes array
if(start_index >= CSP_ROUTE_COUNT){
csp_buffer_free(packet);
printf("CSP_GET_ROUTE: won't read past array\r\n");
return;
}
i = start_index;
j = 0;
//populated return_info while j index less than number
//of nodes requested and our i index is less than CSP_ROUTE_COUNT
while((j < nodes_requested) && (i < CSP_ROUTE_COUNT)){
route = csp_route_struct(i);
if(route != NULL){
return_info[j].node = i;
strncpy(&return_info[j].name_buffer[0],route->interface->name,
(sizeof(return_info[j].name_buffer)-1));
return_info[j].nexthop_mac_addr = route->nexthop_mac_addr;
if(i != CSP_DEFAULT_ROUTE){
return_info[j].nexthop_mac_addr = route->nexthop_mac_addr
== CSP_NODE_MAC ?(i) : route->nexthop_mac_addr;
}
else return_info[j].nexthop_mac_addr = route->nexthop_mac_addr;
j++;
}
i++;
}
routes_left = csp_num_routes_left(i);
//return data contains number of remaining nodes and node info
packet->length = sizeof(return_info)+sizeof(routes_left);
memcpy(&packet->data[0], &routes_left,sizeof(routes_left));
memcpy(&packet->data[1], return_info, sizeof(return_info));
break;
}
default:
csp_buffer_free(packet);
return;
}
if (!csp_send(conn, packet, 0))
csp_buffer_free(packet);
}
void csp_service_handler(csp_conn_t * conn, csp_packet_t * packet) {
switch (csp_conn_dport(conn)) {
case CSP_CMP:
/* Pass to CMP handler */
if (csp_cmp_handler(conn, packet) != CSP_ERR_NONE) {
csp_buffer_free(packet);
return;
}
break;
case CSP_PING:
/* A ping means, just echo the packet, so no changes */
csp_log_info("SERVICE: Ping received");
break;
case CSP_PS: {
/* Sanity check on request */
if ((packet->length != 1) || (packet->data[0] != 0x55)) {
/* Sanity check failed */
csp_buffer_free(packet);
/* Clear the packet, it has been freed */
packet = NULL;
break;
}
/* Start by allocating just the right amount of memory */
int task_list_size = csp_sys_tasklist_size();
char * pslist = csp_malloc(task_list_size);
/* Check for malloc fail */
if (pslist == NULL) {
/* Send out the data */
strcpy((char *)packet->data, "Not enough memory");
packet->length = strlen((char *)packet->data);
/* Break and let the default handling send packet */
break;
}
/* Retrieve the tasklist */
csp_sys_tasklist(pslist);
int pslen = strnlen(pslist, task_list_size);
/* Split the potentially very long string into packets */
int i = 0;
while(i < pslen) {
/* Allocate packet buffer, if need be */
if (packet == NULL)
packet = csp_buffer_get(CSP_RPS_MTU);
if (packet == NULL)
break;
/* Calculate length, either full MTU or the remainder */
packet->length = (pslen - i > CSP_RPS_MTU) ? CSP_RPS_MTU : (pslen - i);
/* Send out the data */
memcpy(packet->data, &pslist[i], packet->length);
i += packet->length;
if (!csp_send(conn, packet, 0))
csp_buffer_free(packet);
/* Clear the packet reference when sent */
packet = NULL;
}
csp_free(pslist);
break;
}
case CSP_MEMFREE: {
uint32_t total = csp_sys_memfree();
total = csp_hton32(total);
memcpy(packet->data, &total, sizeof(total));
packet->length = sizeof(total);
break;
}
case CSP_REBOOT: {
uint32_t magic_word;
memcpy(&magic_word, packet->data, sizeof(magic_word));
magic_word = csp_ntoh32(magic_word);
/* If the magic word is valid, reboot */
if (magic_word == CSP_REBOOT_MAGIC) {
csp_sys_reboot();
} else if (magic_word == CSP_REBOOT_SHUTDOWN_MAGIC) {
csp_sys_shutdown();
}
csp_buffer_free(packet);
return;
}
case CSP_BUF_FREE: {
uint32_t size = csp_buffer_remaining();
size = csp_hton32(size);
memcpy(packet->data, &size, sizeof(size));
packet->length = sizeof(size);
break;
}
case CSP_UPTIME: {
uint32_t time = csp_get_s();
time = csp_hton32(time);
memcpy(packet->data, &time, sizeof(time));
packet->length = sizeof(time);
break;
}
default:
csp_buffer_free(packet);
return;
}
if (packet != NULL) {
if (!csp_send(conn, packet, 0))
csp_buffer_free(packet);
}
}
unsigned WINAPI task_client(void * parameters) {
csp_packet_t * packet;
csp_conn_t * conn;
while (1) {
/**
* Try ping
*/
Sleep(1000);
int result = csp_ping(MY_ADDRESS, 100, 100, CSP_O_NONE);
printf("Ping result %d [ms]\r\n", result);
Sleep(1000);
/**
* Try data packet to server
*/
/* Get packet buffer for data */
packet = csp_buffer_get(100);
if (packet == NULL) {
/* Could not get buffer element */
printf("Failed to get buffer element\n");
return 0;
}
/* Connect to host HOST, port PORT with regular UDP-like protocol and 1000 ms timeout */
conn = csp_connect(CSP_PRIO_NORM, MY_ADDRESS, MY_PORT, 1000, CSP_O_NONE);
if (conn == NULL) {
/* Connect failed */
printf("Connection failed\n");
/* Remember to free packet buffer */
csp_buffer_free(packet);
return 0;
}
/* Copy dummy data to packet */
char *msg = "Hello World";
strcpy((char *) packet->data, msg);
/* Set packet length */
packet->length = strlen(msg);
/* Send packet */
if (!csp_send(conn, packet, 1000)) {
/* Send failed */
printf("Send failed\n");
csp_buffer_free(packet);
}
/* Close connection */
csp_close(conn);
}
return 0;
}
void csp_service_handler(csp_conn_t * conn, csp_packet_t * packet) {
switch (csp_conn_dport(conn)) {
case CSP_CMP:
/* Pass to CMP handler */
if (csp_cmp_handler(conn, packet) != CSP_ERR_NONE) {
csp_buffer_free(packet);
return;
}
break;
case CSP_PING:
/* A ping means, just echo the packet, so no changes */
csp_log_info("SERVICE: Ping received\r\n");
break;
case CSP_PS: {
csp_sys_tasklist((char *)packet->data);
packet->length = strlen((char *)packet->data);
packet->data[packet->length] = '\0';
packet->length++;
break;
}
case CSP_MEMFREE: {
uint32_t total = csp_sys_memfree();
total = csp_hton32(total);
memcpy(packet->data, &total, sizeof(total));
packet->length = sizeof(total);
break;
}
case CSP_REBOOT: {
uint32_t magic_word;
memcpy(&magic_word, packet->data, sizeof(magic_word));
magic_word = csp_ntoh32(magic_word);
/* If the magic word is invalid, return */
if (magic_word != 0x80078007) {
csp_buffer_free(packet);
return;
}
/* Otherwise Reboot */
csp_sys_reboot();
csp_buffer_free(packet);
return;
}
case CSP_BUF_FREE: {
uint32_t size = csp_buffer_remaining();
size = csp_hton32(size);
memcpy(packet->data, &size, sizeof(size));
packet->length = sizeof(size);
break;
}
case CSP_UPTIME: {
uint32_t time = csp_get_s();
time = csp_hton32(time);
memcpy(packet->data, &time, sizeof(time));
packet->length = sizeof(time);
break;
}
default:
csp_buffer_free(packet);
return;
}
if (!csp_send(conn, packet, 0))
csp_buffer_free(packet);
}
int csp_send_prio(uint8_t prio, csp_conn_t * conn, csp_packet_t * packet, uint32_t timeout) {
conn->idout.pri = prio;
return csp_send(conn, packet, timeout);
}
void csp_client(void *p) {
(void) p;
csp_packet_t * packet;
csp_conn_t * conn;
portBASE_TYPE status;
int signal;
/**
* Try ping
*/
csp_sleep_ms(200);
#ifdef TARGET_LIKE_MSP430
blink(K_LED_RED);
#else
blink(K_LED_ORANGE);
#endif
int result = csp_ping(MY_ADDRESS, 100, 100, CSP_O_NONE);
if (result) {
#ifdef TARGET_LIKE_MSP430
blink(K_LED_RED);
#else
blink(K_LED_ORANGE);
#endif
}
/**
* Try data packet to server
*/
while (1) {
status = xQueueReceive(button_queue, &signal, portMAX_DELAY);
if (status != pdTRUE) {
continue;
}
/* Get packet buffer for data */
packet = csp_buffer_get(100);
if (packet == NULL) {
/* Could not get buffer element */
return;
}
/* Connect to host HOST, port PORT with regular UDP-like protocol and 1000 ms timeout */
blink(K_LED_RED);
conn = csp_connect(CSP_PRIO_NORM, MY_ADDRESS, MY_PORT, 1000, CSP_O_NONE);
if (conn == NULL) {
/* Connect failed */
/* Remember to free packet buffer */
csp_buffer_free(packet);
return;
}
blink(K_LED_RED);
/* Copy dummy data to packet */
char *msg = "Hello World";
strcpy((char *) packet->data, msg);
/* Set packet length */
packet->length = strlen(msg);
/* Send packet */
if (!csp_send(conn, packet, 1000)) {
/* Send failed */
csp_buffer_free(packet);
}
blink(K_LED_RED);
/* Close connection */
csp_close(conn);
}
}
int main(int argc, char *argv[]) {
int me, other, type;
char *message = "Testing CSP";
csp_socket_t *sock = NULL;
csp_conn_t *conn = NULL;
csp_packet_t *packet = NULL;
/* Run as either server or client */
if (argc != 2) {
printf("usage: server <server/client>\r\n");
return -1;
}
/* Set type */
if (strcmp(argv[1], "server") == 0) {
me = 1;
other = 2;
type = TYPE_SERVER;
} else if (strcmp(argv[1], "client") == 0) {
me = 2;
other = 1;
type = TYPE_CLIENT;
} else {
printf("Invalid type. Must be either 'server' or 'client'\r\n");
return -1;
}
/* Init CSP and CSP buffer system */
if (csp_init(me) != CSP_ERR_NONE || csp_buffer_init(10, 300) != CSP_ERR_NONE) {
printf("Failed to init CSP\r\n");
return -1;
}
if( type == TYPE_SERVER ) {
_beginthreadex(NULL, 0, pipe_listener, NULL, 0, 0);
} else {
pipe = CreateFile(
pipeName,
GENERIC_READ | GENERIC_WRITE,
0,
NULL,
OPEN_EXISTING,
0,
NULL);
if( pipe == INVALID_HANDLE_VALUE ) {
printError();
return -1;
}
}
/* Set default route and start router */
csp_route_set(CSP_DEFAULT_ROUTE, &csp_if_fifo, CSP_NODE_MAC);
csp_route_start_task(0, 0);
/* Create socket and listen for incoming connections */
if (type == TYPE_SERVER) {
sock = csp_socket(CSP_SO_NONE);
csp_bind(sock, PORT);
csp_listen(sock, 5);
}
/* Super loop */
while (1) {
if (type == TYPE_SERVER) {
/* Process incoming packet */
conn = csp_accept(sock, 1000);
if (conn) {
packet = csp_read(conn, 0);
if (packet)
printf("Received: %s\r\n", packet->data);
csp_buffer_free(packet);
csp_close(conn);
}
} else {
/* Send a new packet */
packet = csp_buffer_get(strlen(message));
if (packet) {
strcpy((char *) packet->data, message);
packet->length = strlen(message);
conn = csp_connect(CSP_PRIO_NORM, other, PORT, 1000, CSP_O_NONE);
printf("Sending: %s\r\n", message);
if (!conn || !csp_send(conn, packet, 1000))
return -1;
csp_close(conn);
Sleep(1000);
}
}
}
return 0;
}
int main(int argc, char **argv) {
int me, other, type;
char *message = "Testing CSP", *rx_channel_name, *tx_channel_name;
csp_socket_t *sock;
csp_conn_t *conn;
csp_packet_t *packet;
/* Run as either server or client */
if (argc != 2) {
printf("usage: %s <server/client>\r\n", argv[0]);
return -1;
}
/* Set type */
if (strcmp(argv[1], "server") == 0) {
me = 1;
other = 2;
tx_channel_name = "server_to_client";
rx_channel_name = "client_to_server";
type = TYPE_SERVER;
} else if (strcmp(argv[1], "client") == 0) {
me = 2;
other = 1;
tx_channel_name = "client_to_server";
rx_channel_name = "server_to_client";
type = TYPE_CLIENT;
} else {
printf("Invalid type. Must be either 'server' or 'client'\r\n");
return -1;
}
/* Init CSP and CSP buffer system */
if (csp_init(me) != CSP_ERR_NONE || csp_buffer_init(10, 300) != CSP_ERR_NONE) {
printf("Failed to init CSP\r\n");
return -1;
}
tx_channel = open(tx_channel_name, O_RDWR);
if (tx_channel < 0) {
printf("Failed to open TX channel\r\n");
return -1;
}
rx_channel = open(rx_channel_name, O_RDWR);
if (rx_channel < 0) {
printf("Failed to open RX channel\r\n");
return -1;
}
/* Start fifo RX task */
pthread_create(&rx_thread, NULL, fifo_rx, NULL);
/* Set default route and start router */
csp_route_set(CSP_DEFAULT_ROUTE, &csp_if_fifo, CSP_NODE_MAC);
csp_route_start_task(0, 0);
/* Create socket and listen for incoming connections */
if (type == TYPE_SERVER) {
sock = csp_socket(CSP_SO_NONE);
csp_bind(sock, PORT);
csp_listen(sock, 5);
}
/* Super loop */
while (1) {
if (type == TYPE_SERVER) {
/* Process incoming packet */
conn = csp_accept(sock, 1000);
if (conn) {
packet = csp_read(conn, 0);
if (packet)
printf("Received: %s\r\n", packet->data);
csp_buffer_free(packet);
csp_close(conn);
}
} else {
/* Send a new packet */
packet = csp_buffer_get(strlen(message));
if (packet) {
strcpy((char *) packet->data, message);
packet->length = strlen(message);
conn = csp_connect(CSP_PRIO_NORM, other, PORT, 1000, CSP_O_NONE);
printf("Sending: %s\r\n", message);
if (!conn || !csp_send(conn, packet, 1000))
return -1;
csp_close(conn);
}
sleep(1);
}
}
close(rx_channel);
close(tx_channel);
return 0;
}