diff options
Diffstat (limited to 'usrp/host/lib/db_wbxng.cc')
-rw-r--r-- | usrp/host/lib/db_wbxng.cc | 166 |
1 files changed, 95 insertions, 71 deletions
diff --git a/usrp/host/lib/db_wbxng.cc b/usrp/host/lib/db_wbxng.cc index bd836dfe3..89200653e 100644 --- a/usrp/host/lib/db_wbxng.cc +++ b/usrp/host/lib/db_wbxng.cc @@ -46,8 +46,8 @@ #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 @@ -67,8 +67,12 @@ wbxng_base::wbxng_base(usrp_basic_sptr _usrp, int which, int _power_on) wbxng_base::~wbxng_base() { - if (d_common) - delete d_common; +} + +int +wbxng_base::_refclk_divisor() +{ + return 1; } struct freq_result_t @@ -83,8 +87,19 @@ wbxng_base::set_freq(double freq) // 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); - double freq_result = (double) d_common->_get_freq()/2.0; + 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*/ @@ -144,10 +159,22 @@ wbxng_base::freq_max() 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 @@ -161,40 +188,48 @@ wbxng_base_tx::wbxng_base_tx(usrp_basic_sptr _usrp, int which, int _power_on) 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()); + + /* 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,(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|ENABLE_33|ENABLE_5), (RX_TXN|ENABLE_33|ENABLE_5)); + 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); + //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 // Disable VCO/PLL - d_common->_enable(false); + //d_common->_enable(false); + usrp()->write_io(d_which, 0, (PLL_PDBRF)); // 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)); - + usrp()->write_io(d_which, (RX_TXN), (PLL_CE|PLL_PDBRF|RX_TXN|ENABLE_33|ENABLE_5)); /* _write_control(_compute_control_reg()); @@ -205,7 +240,7 @@ wbxng_base_tx::shutdown() } bool -wbxng_base_tx::set_auto_tr(bool on) +db_wbxng_tx::set_auto_tr(bool on) { bool ok = true; if(on) { @@ -222,7 +257,7 @@ wbxng_base_tx::set_auto_tr(bool on) } bool -wbxng_base_tx::set_enable(bool on) +db_wbxng_tx::set_enable(bool on) { /* Enable transmitter if on is true @@ -244,25 +279,25 @@ wbxng_base_tx::set_enable(bool on) } float -wbxng_base_tx::gain_min() +db_wbxng_tx::gain_min() { return 0.0; } float -wbxng_base_tx::gain_max() +db_wbxng_tx::gain_max() { return 25.0; } float -wbxng_base_tx::gain_db_per_step() +db_wbxng_tx::gain_db_per_step() { 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. @@ -299,8 +334,8 @@ wbxng_base_tx::set_gain(float gain) /**************************************************************************/ -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 @@ -314,15 +349,24 @@ wbxng_base_rx::wbxng_base_rx(usrp_basic_sptr _usrp, int which, int _power_on) d_spi_enable = SPI_ENABLE_RX_B; } - d_common = new adf4350(_usrp, d_which, d_spi_enable); - - // Disable VCO/PLL - d_common->_enable(true); + d_common = boost::shared_ptr<adf4350> (new adf4350()); - 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)); + /* 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"); + // 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"); @@ -331,43 +375,46 @@ wbxng_base_rx::wbxng_base_rx(usrp_basic_sptr _usrp, int which, int _power_on) /* 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 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); // Power down - usrp()->write_io(d_which, power_off(), (RX2_RX1N|RXBB_EN|ATTN_MASK|ENABLE_33|ENABLE_5)); + usrp()->write_io(d_which, 0, (PLL_CE|PLL_PDBRF|RX2_RX1N|RXBB_EN|ATTN_MASK|ENABLE_33|ENABLE_5)); - // fprintf(stderr, "wbxng_base_rx::shutdown after set_auto_tr\n"); + // 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) { @@ -384,7 +431,7 @@ wbxng_base_rx::set_auto_tr(bool on) } 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. @@ -404,7 +451,7 @@ wbxng_base_rx::select_rx_antenna(int which_antenna) } 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. @@ -426,7 +473,7 @@ wbxng_base_rx::select_rx_antenna(const std::string &which_antenna) } bool -wbxng_base_rx::set_gain(float gain) +db_wbxng_rx::set_gain(float gain) { /* Set the gain. @@ -441,7 +488,6 @@ wbxng_base_rx::set_gain(float 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()); @@ -456,7 +502,7 @@ wbxng_base_rx::set_gain(float gain) } 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; @@ -464,27 +510,6 @@ wbxng_base_rx::_set_attn(float attn) 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() { @@ -503,7 +528,6 @@ db_wbxng_rx::gain_db_per_step() return 0.05; } - bool db_wbxng_rx::i_and_q_swapped() { |