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Code Issues Releases Wiki Activity

moved UDP tx into rtlsdr_callback()

master
David 2020-07-27 08:17:43 +09:30
parent d529f45464
commit 502bd31d3d
1 changed files with 26 additions and 20 deletions
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46
src/rtl_fsk.c
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@ -54,6 +54,11 @@ static struct FSK *fsk;
static uint32_t out_block_size = DEFAULT_BUF_LENGTH;
static unsigned char *rawbuf;
static size_t nrawbuf = 0;
static int udp_debug = 0;
static int sockfd;
static struct sockaddr_in serveraddr;
static char hostname[256];
static int portno = 8001;
void usage(void)
{
@ -136,6 +141,21 @@ static void rtlsdr_callback(unsigned char *buf, uint32_t len, void *ctx)
fprintf(stderr, "Short write, bits lost, exiting!\n");
rtlsdr_cancel_async(dev);
}
if (udp_debug) {
/* TODO: some sort of rate limiting on messages, based on sample rate, e.g. once per second */
int serverlen;
char buf[256];
int n;
/* send the message to the server */
sprintf(buf, "hello\n");
serverlen = sizeof(serveraddr);
n = sendto(sockfd, buf, strlen(buf), 0, (const struct sockaddr *)&serveraddr, serverlen);
if (n < 0) {
fprintf(stderr, "ERROR in sendto\n");
exit(1);
}
fprintf(stderr,"UDP message sent to %s:%d\n", hostname, portno);
}
}
/* copy left over to start of buffer */
@ -164,7 +184,7 @@ int main(int argc, char **argv)
uint32_t frequency = 100000000;
uint32_t samp_rate = DEFAULT_SAMPLE_RATE;
while ((opt = getopt(argc, argv, "d:f:g:s:b:n:p:S")) != -1) {
while ((opt = getopt(argc, argv, "d:f:g:s:b:n:p:S:u:")) != -1) {
switch (opt) {
case 'd':
dev_index = verbose_device_search(optarg);
@ -191,6 +211,10 @@ int main(int argc, char **argv)
case 'S':
sync_mode = 1;
break;
case 'u':
udp_debug = 1;
strcpy(hostname, optarg);
break;
default:
usage();
break;
@ -219,15 +243,8 @@ int main(int argc, char **argv)
nrawbuf = 0;
/* create UDP socket for debug/status information */
{
int sockfd;
char hostname[]="localhost";
int portno = 8001;
struct sockaddr_in serveraddr;
if (udp_debug) {
struct hostent *server;
int serverlen;
char buf[256];
int n;
/* socket: create the socket */
sockfd = socket(AF_INET, SOCK_DGRAM, 0);
@ -249,17 +266,6 @@ int main(int argc, char **argv)
bcopy((char *)server->h_addr,
(char *)&serveraddr.sin_addr.s_addr, server->h_length);
serveraddr.sin_port = htons(portno);
sprintf(buf, "hello\n");
/* send the message to the server */
serverlen = sizeof(serveraddr);
n = sendto(sockfd, buf, strlen(buf), 0, (const struct sockaddr *)&serveraddr, serverlen);
if (n < 0) {
fprintf(stderr, "ERROR in sendto");
exit(1);
}
fprintf(stderr,"UDP message sent to %s:%d\n", hostname, portno);
}
/* continue RTL SDR setup ...... */