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libusrp
mirror of https://gerrit.osmocom.org/libusrp
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much better register settings, should work all the time 

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@10348 221aa14e-8319-0410-a670-987f0aec2ac5
This commit is contained in:
matt 2009-01-31 00:31:14 +00:00
parent 85c56a3e99
commit 369e25864a
1 changed files with 27 additions and 23 deletions
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50
host/lib/legacy/db_xcvr2450.cc
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@ -22,6 +22,13 @@
#include <db_base_impl.h>
#include <cmath>
#if 0
#define LO_OFFSET 4.25e6
#else
#define LO_OFFSET 0
#define NO_LO_OFFSET
#endif
/* ------------------------------------------------------------------------
* A few comments about the XCVR2450:
@ -63,8 +70,8 @@ xcvr2450::xcvr2450(usrp_basic_sptr _usrp, int which)
d_frac_div = 0; // 0 = min, 65535 = max
d_highband = 0; // 0 = freq <= 5.4e9, 1 = freq > 5.4e9
d_five_gig = 0; // 0 = freq <= 3.e9, 1 = freq > 3e9
d_cp_current = 0; // 0 = 2mA, 1 = 4mA
d_ref_div = 4; // 1 to 7
d_cp_current = 1; // 0 = 2mA, 1 = 4mA
d_ref_div = 1; // 1 to 7
d_rssi_hbw = 0; // 0 = 2 MHz, 1 = 6 MHz
d_txlpf_bw = 1; // 1 = 12 MHz, 2 = 18 MHz, 3 = 24 MHz
d_rxlpf_bw = 1; // 0 = 7.5 MHz, 1 = 9.5 MHz, 2 = 14 MHz, 3 = 18 MHz
@ -165,6 +172,15 @@ xcvr2450::set_reg_frac_divider()
void
xcvr2450::set_reg_bandselpll()
{
d_reg_bandselpll = ((d_mimo<<17) |
(1<<16) |
(1<<15) |
(0<<11) |
(d_highband<<10) |
(d_cp_current<<9) |
(d_ref_div<<5) |
(d_five_gig<<4) | 5);
send_reg(d_reg_bandselpll);
d_reg_bandselpll = ((d_mimo<<17) |
(1<<16) |
(1<<15) |
@ -461,18 +477,16 @@ xcvr2450::set_freq(double target_freq)
if(target_freq > 3e9) {
d_five_gig = 1;
d_ref_div = 1;
d_ad9515_div = 3;
scaler = 4.0/5.0;
}
else {
d_five_gig = 0;
d_ref_div = 1;
d_ad9515_div = 3;
scaler = 4.0/3.0;
}
if(target_freq > 5.27e9) {
if(target_freq > 5.408e9) {
d_highband = 1;
}
else {
@ -499,24 +513,14 @@ xcvr2450::set_freq(double target_freq)
set_reg_bandselpll();
args.ok = lock_detect();
#ifdef NO_LO_OFFSET
args.baseband_freq = target_freq;
#else
args.baseband_freq = actual_freq;
#endif
if(args.ok) {
if((target_freq > 5.275e9) && (target_freq <= 5.35e9)) {
d_highband = 0;
set_reg_bandselpll();
args.ok = lock_detect();
//printf("swap to 0 at %f, ok %d\n", target_freq, args.ok);
}
if((target_freq >= 5.25e9) && (target_freq <= 5.275e9)) {
d_highband = 1;
set_reg_bandselpll();
args.ok = lock_detect();
//printf("swap to 1 at %f, ok %d\n", target_freq, args.ok);
}
if(!args.ok){
//printf("Fail %f\n", target_freq);
}
if(!args.ok){
printf("Fail %f\n", target_freq);
}
return args;
}
@ -682,7 +686,7 @@ db_xcvr2450_base::freq_max()
db_xcvr2450_tx::db_xcvr2450_tx(usrp_basic_sptr usrp, int which)
: db_xcvr2450_base(usrp, which)
{
set_lo_offset(4.25e6);
set_lo_offset(LO_OFFSET);
//printf("db_xcvr2450_tx::db_xcvr2450_tx\n");
}
@ -731,7 +735,7 @@ db_xcvr2450_rx::db_xcvr2450_rx(usrp_basic_sptr usrp, int which)
* @param usrp: instance of usrp.source_c
* @param which: 0 or 1 corresponding to side RX_A or RX_B respectively.
*/
set_lo_offset(4.25e6);
set_lo_offset(LO_OFFSET);
//printf("db_xcvr2450_rx:d_xcvr_2450_rx\n");
}