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git-svn-id: http://svn.eurecom.fr/openair4G/trunk@6305 818b1a75-f10b-46b9-bf7c-635c3b92a50f

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This commit is contained in:
ghaddab
2014-12-22 09:34:29 +00:00
parent 0c8ec326be
commit 620b5038f9
1 changed files with 15 additions and 12 deletions
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targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.c
+15 -12
View File
@@ -106,7 +106,9 @@ int ethernet_write_data(int Mod_id, openair0_timestamp timestamp, const void **b
((int16_t *)buff2)[0] = 1+(antenna_id<<1);
((int16_t *)buff2)[1] = nsamps;
*((openair0_timestamp *)(buff2+(sizeof(int16_t)*2))) = timestamp;
printf("Timestamp TX sent : %d\n",timestamp);
// printf("buffer head : %d %d %d %d \n",((int16_t *)buff2)[0],((int16_t *)buff2)[1],((int16_t *)buff2)[2],((int16_t *)buff2)[3]);
while(n_written < nsamps) {
/* Send packet */
if ((n_written += sendto(sockfd[Mod_id],
@@ -129,11 +131,11 @@ int ethernet_write_data(int Mod_id, openair0_timestamp timestamp, const void **b
int ethernet_read_data(int Mod_id,openair0_timestamp *timestamp,void **buff, int antenna_id, int nsamps) {
void *buff2 = buff[antenna_id]-sizeof(openair0_timestamp);
void *buff2 = (void*)buff[antenna_id]-sizeof(openair0_timestamp);
int bytes_received;
int block_cnt;
int ret;
openair0_timestamp temp = *(openair0_timestamp*)buff2;
openair0_timestamp temp = *(openair0_timestamp*)(buff2);
int16_t mesg[2];
char str[INET_ADDRSTRLEN];
@@ -142,21 +144,21 @@ int ethernet_read_data(int Mod_id,openair0_timestamp *timestamp,void **buff, int
inet_ntop(AF_INET, &(dest_addr[Mod_id].sin_addr), str, INET_ADDRSTRLEN);
// send command RX for nsamps samples
// printf("requesting %d samples from (%s:%d)\n",nsamps,str,ntohs(dest_addr[Mod_id].sin_port));
printf("requesting %d samples from (%s:%d)\n",nsamps,str,ntohs(dest_addr[Mod_id].sin_port));
sendto(sockfd[Mod_id],mesg,4,0,(struct sockaddr *)&dest_addr[Mod_id],dest_addr_len[Mod_id]);
bytes_received=-sizeof(openair0_timestamp);
bytes_received=0;
block_cnt=0;
while(bytes_received < (int)((nsamps<<2))) {
printf("requesting %d bytes\n",(nsamps<<2)-bytes_received);
//printf("requesting %d bytes\n",(nsamps<<2));
ret=recvfrom(sockfd[Mod_id],
&buff2[bytes_received],
(nsamps<<2)-bytes_received,
buff2+bytes_received,
(nsamps<<2)+sizeof(openair0_timestamp)-bytes_received,
0,//MSG_DONTWAIT,
(struct sockaddr *)&dest_addr[Mod_id],
&dest_addr_len[Mod_id]);
printf("bytes_received %d (ret %d)\n",bytes_received+ret,ret);
//printf("bytes_received %d (ret %d)\n",bytes_received+ret,ret);
if (ret==-1) {
if (errno == EAGAIN) {
perror("ETHERNET: ");
@@ -174,10 +176,11 @@ int ethernet_read_data(int Mod_id,openair0_timestamp *timestamp,void **buff, int
}
*timestamp = *(openair0_timestamp *)(buff-sizeof(openair0_timestamp));
printf("Received %d samples, timestamp = %d\n",bytes_received>>2,*timestamp);
*(openair0_timestamp *)(buff-sizeof(openair0_timestamp)) = temp;
return bytes_received>>2;
//printf("buffer head : %x %x %x %x \n",((int32_t *)buff2)[0],((int32_t *)buff2)[1],((int32_t *)buff2)[2],((int32_t *)buff2)[3]);
*timestamp = *(openair0_timestamp *)(buff2);
printf("Received %d samples, timestamp = %d\n",bytes_received>>2,*(int32_t*)timestamp);
*(openair0_timestamp *)(buff2) = temp;
return nsamps;
}