up readme

readme.txt

 BUILD:
 x86
-sudo gcc -o trx system.c trx_test.c oxgrf_lib.c -march=native -loxgrf_ss -g -lpthread
+sudo gcc -o trx system.c trx_test.c oxgrf_lib.c -march=native -loxgrf_ss -g -lpthread -lm
 
 arm
 sudo gcc -o trx trx_test.c yunsdr_lib.c  -lyunsdr_ss -g

trx_test.c

@@ -25,7 +25,7 @@ int absolute_slot=0;
 int nb_slot_frame=2;
 int samples_per_subframe=SAMPLE_RATE/1000;
 
-#define TXSEQLEN 256
+#define TXSEQLEN 61440
 int32_t gTxSeq[61440]={0};
 
 //samples_per_subframe 30720, samples_per_slot_wCP 14336.
@@ -71,7 +71,8 @@ static void *tx_thread(void *param)
   struct timespec time_stop;
   int slot_adv = 2;
 
-  int mimdelay = 4096*1+2048;
+  //int mimdelay = 4096*1+2048;
+  int mimdelay = 61440;
 
   while (1) {
 
@@ -182,8 +183,8 @@ int main( int argc, char **argv ) {
       openair0_cfg[card].rx_num_channels,
       openair0_cfg[card].duplex_mode);
 
-  double dl_carrier = 3628380000;
-  double ul_carrier = 3628380000;
+  double dl_carrier = 3349380000;
+  double ul_carrier = 3349380000;
   int freq_off   = 0;
   int rx_gain_off = 0;
   int rf_chain = 0;
@@ -244,7 +245,7 @@ int main( int argc, char **argv ) {
 
   printf("sine wave\n");
 	
-  genSineWave(3.84e6, 122.88e6, 0x1ff, TXSEQLEN, gTxSeq);
+  genSineWave(3.84e6, 122.88e6, 0x7fff, TXSEQLEN, gTxSeq);
 
   readBlockSize = samples_per_subframe/2;
   writeBlockSize = readBlockSize;
@@ -299,7 +300,7 @@ int main( int argc, char **argv ) {
  
     VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, VCD_FUNCTION_OUT );
 #endif
-#if 1
+#if 0
     if(rx_cnt == 2000)
     {
       printf("begin to dump\n");