// the Free Software Foundation, Inc., 51 Franklin Street,
// Boston, MA 02110-1301, USA.
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <usrp/db_wbxng.h>
#include "db_wbxng_adf4350.h"
#include <db_base_impl.h>
// Tx and Rx have shared defs, but different i/o regs
#define ENABLE_5 (1 << 7) // enables 5.0V power supply
#define ENABLE_33 (1 << 6) // enables 3.3V supply
-#define RX_TXN (1 << 5) // Tx only: T/R antenna switch for TX/RX port
-#define RX2_RX1N (1 << 5) // Rx only: antenna switch between RX2 and TX/RX port
+//#define RX_TXN (1 << 15) // Tx only: T/R antenna switch for TX/RX port
+//#define RX2_RX1N (1 << 15) // Rx only: antenna switch between RX2 and TX/RX port
+#define RX_TXN ((1 << 5)|(1 << 15)) // Tx only: T/R antenna switch for TX/RX port
+#define RX2_RX1N ((1 << 5)|(1 << 15)) // Rx only: antenna switch between RX2 and TX/RX port
#define RXBB_EN (1 << 4)
#define TXMOD_EN (1 << 4)
#define PLL_CE (1 << 3)
#define ATTN_SHIFT 8
#define ATTN_MASK (63 << ATTN_SHIFT)
-wbxng_base::wbxng_base(usrp_basic_sptr _usrp, int which, int _power_on)
- : db_base(_usrp, which), d_power_on(_power_on)
+wbxng_base::wbxng_base(usrp_basic_sptr _usrp, int which)
+ : db_base(_usrp, which)
{
/*
@param usrp: instance of usrp.source_c
wbxng_base::~wbxng_base()
{
- if (d_common)
- delete d_common;
+}
+
+int
+wbxng_base::_refclk_divisor()
+{
+ return 1;
}
struct freq_result_t
actual_baseband_freq is the RF frequency that corresponds to DC in the IF.
*/
- freq_t int_freq = freq_t(freq);
- bool ok = d_common->_set_freq(int_freq*2);
- double freq_result = (double) d_common->_get_freq()/2.0;
+ // clamp freq
+ freq_t int_freq = freq_t(std::max(freq_min(), std::min(freq, freq_max())));
+
+ bool ok = d_common->_set_freq(int_freq*2, _refclk_freq());
+
+ _write_spi(d_common->compute_register(5));
+ _write_spi(d_common->compute_register(4));
+ _write_spi(d_common->compute_register(3));
+ /* load involved registers */
+ _write_spi(d_common->compute_register(2));
+ _write_spi(d_common->compute_register(1));
+ _write_spi(d_common->compute_register(0));
+
+ double freq_result = (double) d_common->_get_freq(_refclk_freq())/2.0;
+
+ //ok &= _get_locked();
struct freq_result_t args = {ok, freq_result};
/* Wait before reading Lock Detect*/
t.tv_nsec = 10000000;
nanosleep(&t, NULL);
- fprintf(stderr,"Setting WBXNG frequency, requested %d, obtained %f, lock_detect %d\n",
- int_freq, freq_result, d_common->_get_locked());
+ //fprintf(stderr,"Setting WBXNG frequency, requested %d, obtained %f, lock_detect %d\n",
+ // int_freq, freq_result, d_common->_get_locked());
// FIXME
// Offsetting the LO helps get the Tx carrier leakage out of the way.
return (double) d_common->_get_max_freq()/2.0;
}
+bool
+wbxng_base::_get_locked(void)
+{
+ return usrp()->read_io(d_which) & PLL_LOCK_DETECT;
+}
+
+void
+wbxng_base::_write_spi(std::string data)
+{
+ usrp()->_write_spi(0, d_spi_enable, d_spi_format, data);
+}
+
// ----------------------------------------------------------------
-wbxng_base_tx::wbxng_base_tx(usrp_basic_sptr _usrp, int which, int _power_on)
- : wbxng_base(_usrp, which, _power_on)
+db_wbxng_tx::db_wbxng_tx(usrp_basic_sptr _usrp, int which)
+ : wbxng_base(_usrp, which)
{
/*
@param usrp: instance of usrp.sink_c
d_spi_enable = SPI_ENABLE_TX_B;
}
- d_common = new adf4350(_usrp, d_which, d_spi_enable);
+ d_common = boost::shared_ptr<adf4350> (new adf4350());
- // FIXME: power up the transmit side, but don't enable the mixer
- usrp()->_write_oe(d_which,(RX_TXN|TXMOD_EN|ENABLE_33|ENABLE_5), (RX_TXN|TXMOD_EN|ENABLE_33|ENABLE_5));
- usrp()->write_io(d_which, (power_on()|RX_TXN|TXMOD_EN|ENABLE_33|ENABLE_5), (RX_TXN|TXMOD_EN|ENABLE_33|ENABLE_5));
- fprintf(stderr,"Setting WBXNG TXMOD on");
+ /* Initialize the registers. */
+ _write_spi(d_common->compute_register(5));
+ _write_spi(d_common->compute_register(4));
+ _write_spi(d_common->compute_register(3));
+ _write_spi(d_common->compute_register(2));
+ _write_spi(d_common->compute_register(1));
+ _write_spi(d_common->compute_register(0));
+
+ // power up the transmit side, but don't enable the mixer
+ usrp()->_write_oe(d_which,(PLL_CE|PLL_PDBRF|RX_TXN|TXMOD_EN|ENABLE_33|ENABLE_5), (PLL_CE|PLL_PDBRF|RX_TXN|TXMOD_EN|ENABLE_33|ENABLE_5));
+ usrp()->write_io(d_which, (PLL_CE|RX_TXN|ENABLE_33|ENABLE_5), (PLL_CE|PLL_PDBRF|RX_TXN|ENABLE_33|ENABLE_5));
//set_lo_offset(4e6);
+
+ // Disable VCO/PLL
+ //d_common->_enable(true);
+ usrp()->write_io(d_which, (PLL_PDBRF), (PLL_PDBRF));
- set_gain((gain_min() + gain_max()) / 2.0); // initialize gain
+ set_gain(gain_min()); // initialize gain
}
-wbxng_base_tx::~wbxng_base_tx()
+db_wbxng_tx::~db_wbxng_tx()
{
shutdown();
}
-
void
-wbxng_base_tx::shutdown()
+db_wbxng_tx::shutdown()
{
- // fprintf(stderr, "wbxng_base_tx::shutdown d_is_shutdown = %d\n", d_is_shutdown);
+ // fprintf(stderr, "db_wbxng_tx::shutdown d_is_shutdown = %d\n", d_is_shutdown);
if (!d_is_shutdown){
d_is_shutdown = true;
// do whatever there is to do to shutdown
- // Power down and leave the T/R switch in the R position
- usrp()->write_io(d_which, (power_off()|RX_TXN), (RX_TXN|ENABLE_33|ENABLE_5));
+ // Disable VCO/PLL
+ //d_common->_enable(false);
+ usrp()->write_io(d_which, 0, (PLL_PDBRF));
- // Power down VCO/PLL
- d_common->_enable(false);
+ // Power down and leave the T/R switch in the R position
+ usrp()->write_io(d_which, (RX_TXN), (PLL_CE|PLL_PDBRF|RX_TXN|ENABLE_33|ENABLE_5));
/*
_write_control(_compute_control_reg());
}
bool
-wbxng_base_tx::set_auto_tr(bool on)
+db_wbxng_tx::set_auto_tr(bool on)
{
bool ok = true;
if(on) {
- ok &= set_atr_mask (RX_TXN | ENABLE_33 | ENABLE_5);
- ok &= set_atr_txval(0 | ENABLE_33 | ENABLE_5);
- ok &= set_atr_rxval(RX_TXN | 0);
+ ok &= set_atr_mask (RX_TXN | TXMOD_EN);
+ ok &= set_atr_txval(0 | TXMOD_EN);
+ ok &= set_atr_rxval(RX_TXN);
}
else {
ok &= set_atr_mask (0);
}
bool
-wbxng_base_tx::set_enable(bool on)
+db_wbxng_tx::set_enable(bool on)
{
/*
Enable transmitter if on is true
*/
int v;
- int mask = RX_TXN | ENABLE_5 | ENABLE_33;
+ int mask = RX_TXN | TXMOD_EN;
if(on) {
- v = ENABLE_5 | ENABLE_33;
+ v = TXMOD_EN;
+ // Enable VCO/PLL
+ //d_common->_enable(true);
}
else {
v = RX_TXN;
+ // Disable VCO/PLL
+ //d_common->_enable(false);
}
return usrp()->write_io(d_which, v, mask);
}
float
-wbxng_base_tx::gain_min()
+db_wbxng_tx::gain_min()
{
- return usrp()->pga_max();
+ return 0.0;
}
float
-wbxng_base_tx::gain_max()
+db_wbxng_tx::gain_max()
{
- return usrp()->pga_max() + 25.0;
+ return 25.0;
}
float
-wbxng_base_tx::gain_db_per_step()
+db_wbxng_tx::gain_db_per_step()
{
- return 1;
+ return gain_max()/(1+(1.4-0.5)*4096/3.3);
}
bool
-wbxng_base_tx::set_gain(float gain)
+db_wbxng_tx::set_gain(float gain)
{
/*
Set the gain.
float pga_gain, agc_gain;
float V_maxgain, V_mingain, V_fullscale, dac_value;
- float maxgain = gain_max() - usrp()->pga_max();
+ float maxgain = gain_max();
float mingain = gain_min();
- if(gain > maxgain) {
- pga_gain = gain-maxgain;
- assert(pga_gain <= usrp()->pga_max());
- agc_gain = maxgain;
- }
- else {
- pga_gain = 0;
- agc_gain = gain;
- }
+ pga_gain = 0;
+ agc_gain = gain;
- V_maxgain = 0.7;
+ V_maxgain = 0.5;
V_mingain = 1.4;
V_fullscale = 3.3;
dac_value = (agc_gain*(V_maxgain-V_mingain)/(maxgain-mingain) + V_mingain)*4096/V_fullscale;
- fprintf(stderr, "TXGAIN: %f dB, Dac Code: %d, Voltage: %f\n", gain, int(dac_value), float((dac_value/4096.0)*V_fullscale));
+ //fprintf(stderr, "TXGAIN: %f dB, Dac Code: %d, Voltage: %f\n", gain, int(dac_value), float((dac_value/4096.0)*V_fullscale));
assert(dac_value>=0 && dac_value<4096);
return (usrp()->write_aux_dac(d_which, 0, int(dac_value))
- && _set_pga(int(pga_gain)));
+ && _set_pga(usrp()->pga_max()));
+
}
/**************************************************************************/
-wbxng_base_rx::wbxng_base_rx(usrp_basic_sptr _usrp, int which, int _power_on)
- : wbxng_base(_usrp, which, _power_on)
+db_wbxng_rx::db_wbxng_rx(usrp_basic_sptr _usrp, int which)
+ : wbxng_base(_usrp, which)
{
/*
@param usrp: instance of usrp.source_c
d_spi_enable = SPI_ENABLE_RX_B;
}
- d_common = new adf4350(_usrp, d_which, d_spi_enable);
+ d_common = boost::shared_ptr<adf4350> (new adf4350());
+
+ /* Initialize the registers. */
+ _write_spi(d_common->compute_register(5));
+ _write_spi(d_common->compute_register(4));
+ _write_spi(d_common->compute_register(3));
+ _write_spi(d_common->compute_register(2));
+ _write_spi(d_common->compute_register(1));
+ _write_spi(d_common->compute_register(0));
+
+ usrp()->_write_oe(d_which, (PLL_CE|PLL_PDBRF|RX2_RX1N|RXBB_EN|ATTN_MASK|ENABLE_33|ENABLE_5), (PLL_CE|PLL_PDBRF|RX2_RX1N|RXBB_EN|ATTN_MASK|ENABLE_33|ENABLE_5));
+ usrp()->write_io(d_which, (PLL_CE|RX2_RX1N|RXBB_EN|ENABLE_33|ENABLE_5), (PLL_CE|PLL_PDBRF|RX2_RX1N|RXBB_EN|ATTN_MASK|ENABLE_33|ENABLE_5));
+ //fprintf(stderr,"Setting WBXNG RXBB on");
- usrp()->_write_oe(d_which, (RX2_RX1N|RXBB_EN|ATTN_MASK|ENABLE_33|ENABLE_5), (RX2_RX1N|RXBB_EN|ATTN_MASK|ENABLE_33|ENABLE_5));
- usrp()->write_io(d_which, (power_on()|RX2_RX1N|RXBB_EN|ENABLE_33|ENABLE_5), (RX2_RX1N|RXBB_EN|ATTN_MASK|ENABLE_33|ENABLE_5));
- fprintf(stderr,"Setting WBXNG RXBB on");
+ // Enable VCO/PLL
+ //d_common->_enable(true);
+ usrp()->write_io(d_which, (PLL_PDBRF), (PLL_PDBRF));
// set up for RX on TX/RX port
select_rx_antenna("TX/RX");
/*
set_lo_offset(-4e6);
*/
+
+ set_gain(gain_min()); // initialize gain
}
-wbxng_base_rx::~wbxng_base_rx()
+db_wbxng_rx::~db_wbxng_rx()
{
shutdown();
}
void
-wbxng_base_rx::shutdown()
+db_wbxng_rx::shutdown()
{
- // fprintf(stderr, "wbxng_base_rx::shutdown d_is_shutdown = %d\n", d_is_shutdown);
+ // fprintf(stderr, "db_wbxng_rx::shutdown d_is_shutdown = %d\n", d_is_shutdown);
if (!d_is_shutdown){
d_is_shutdown = true;
// do whatever there is to do to shutdown
- // Power down
- usrp()->common_write_io(C_RX, d_which, power_off(), (ENABLE_33|ENABLE_5));
-
// Power down VCO/PLL
- d_common->_enable(false);
+ //d_common->_enable(false);
+ usrp()->write_io(d_which, 0, (PLL_PDBRF));
- // fprintf(stderr, "wbxng_base_rx::shutdown before _write_control\n");
+ // fprintf(stderr, "db_wbxng_rx::shutdown before _write_control\n");
//_write_control(_compute_control_reg());
- // fprintf(stderr, "wbxng_base_rx::shutdown before _enable_refclk\n");
+ // fprintf(stderr, "db_wbxng_rx::shutdown before _enable_refclk\n");
_enable_refclk(false); // turn off refclk
- // fprintf(stderr, "wbxng_base_rx::shutdown before set_auto_tr\n");
+ // fprintf(stderr, "db_wbxng_rx::shutdown before set_auto_tr\n");
set_auto_tr(false);
- // fprintf(stderr, "wbxng_base_rx::shutdown after set_auto_tr\n");
+ // Power down
+ usrp()->write_io(d_which, 0, (PLL_CE|PLL_PDBRF|RX2_RX1N|RXBB_EN|ATTN_MASK|ENABLE_33|ENABLE_5));
+
+ // fprintf(stderr, "db_wbxng_rx::shutdown after set_auto_tr\n");
}
}
bool
-wbxng_base_rx::set_auto_tr(bool on)
+db_wbxng_rx::set_auto_tr(bool on)
{
bool ok = true;
if(on) {
- ok &= set_atr_mask (ENABLE_33|ENABLE_5);
- ok &= set_atr_txval( 0);
- ok &= set_atr_rxval(ENABLE_33|ENABLE_5);
+ ok &= set_atr_mask (RXBB_EN|RX2_RX1N);
+ ok &= set_atr_txval( 0|RX2_RX1N);
+ ok &= set_atr_rxval(RXBB_EN| 0);
}
else {
ok &= set_atr_mask (0);
}
bool
-wbxng_base_rx::select_rx_antenna(int which_antenna)
+db_wbxng_rx::select_rx_antenna(int which_antenna)
{
/*
Specify which antenna port to use for reception.
}
bool
-wbxng_base_rx::select_rx_antenna(const std::string &which_antenna)
+db_wbxng_rx::select_rx_antenna(const std::string &which_antenna)
{
/*
Specify which antenna port to use for reception.
}
bool
-wbxng_base_rx::set_gain(float gain)
+db_wbxng_rx::set_gain(float gain)
{
/*
Set the gain.
float pga_gain, agc_gain;
float maxgain = gain_max() - usrp()->pga_max();
- float mingain = gain_min();
if(gain > maxgain) {
pga_gain = gain-maxgain;
assert(pga_gain <= usrp()->pga_max());
}
bool
-wbxng_base_rx::_set_attn(float attn)
+db_wbxng_rx::_set_attn(float attn)
{
int attn_code = int(floor(attn/0.5));
unsigned int iobits = (~attn_code) << ATTN_SHIFT;
- fprintf(stderr, "Attenuation: %f dB, Code: %d, IO Bits %x, Mask: %x \n", attn, attn_code, iobits & ATTN_MASK, ATTN_MASK);
+ //fprintf(stderr, "Attenuation: %f dB, Code: %d, IO Bits %x, Mask: %x \n", attn, attn_code, iobits & ATTN_MASK, ATTN_MASK);
return usrp()->write_io(d_which, iobits, ATTN_MASK);
}
-// ----------------------------------------------------------------
-
-db_wbxng_tx::db_wbxng_tx(usrp_basic_sptr usrp, int which)
- : wbxng_base_tx(usrp, which)
-{
-}
-
-db_wbxng_tx::~db_wbxng_tx()
-{
-}
-
-db_wbxng_rx::db_wbxng_rx(usrp_basic_sptr usrp, int which)
- : wbxng_base_rx(usrp, which)
-{
- set_gain((gain_min() + gain_max()) / 2.0); // initialize gain
-}
-
-db_wbxng_rx::~db_wbxng_rx()
-{
-}
-
float
db_wbxng_rx::gain_min()
{
return 0.05;
}
-
bool
db_wbxng_rx::i_and_q_swapped()
{
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