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authorMartin Braun <martin.braun@ettus.com>2020-03-02 15:25:13 -0800
committeratrnati <54334261+atrnati@users.noreply.github.com>2020-03-03 08:51:32 -0600
commit876d4150aa3da531ddd687b48afada6e43f79146 (patch)
treefd72a71419f4cd800d4e500cfcaded4dfc8dc367 /host/lib/usrp/dboard/db_xcvr2450.cpp
parent1393553d623bdf4ba40d5435c9719b6ce990d9ac (diff)
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uhd: Apply clang-format against all .cpp and .hpp files in host/
Note: template_lvbitx.{cpp,hpp} need to be excluded from the list of files that clang-format gets applied against.
Diffstat (limited to 'host/lib/usrp/dboard/db_xcvr2450.cpp')
-rw-r--r--host/lib/usrp/dboard/db_xcvr2450.cpp754
1 files changed, 411 insertions, 343 deletions
diff --git a/host/lib/usrp/dboard/db_xcvr2450.cpp b/host/lib/usrp/dboard/db_xcvr2450.cpp
index 40fdca0a5..d42a56562 100644
--- a/host/lib/usrp/dboard/db_xcvr2450.cpp
+++ b/host/lib/usrp/dboard/db_xcvr2450.cpp
@@ -6,36 +6,38 @@
//
// TX IO Pins
-#define HB_PA_OFF_TXIO (1 << 15) // 5GHz PA, 1 = off, 0 = on
-#define LB_PA_OFF_TXIO (1 << 14) // 2.4GHz PA, 1 = off, 0 = on
-#define ANTSEL_TX1_RX2_TXIO (1 << 13) // 1 = Ant 1 to TX, Ant 2 to RX
-#define ANTSEL_TX2_RX1_TXIO (1 << 12) // 1 = Ant 2 to TX, Ant 1 to RX
-#define TX_EN_TXIO (1 << 11) // 1 = TX on, 0 = TX off
-#define AD9515DIV_TXIO (1 << 4) // 1 = Div by 3, 0 = Div by 2
+#define HB_PA_OFF_TXIO (1 << 15) // 5GHz PA, 1 = off, 0 = on
+#define LB_PA_OFF_TXIO (1 << 14) // 2.4GHz PA, 1 = off, 0 = on
+#define ANTSEL_TX1_RX2_TXIO (1 << 13) // 1 = Ant 1 to TX, Ant 2 to RX
+#define ANTSEL_TX2_RX1_TXIO (1 << 12) // 1 = Ant 2 to TX, Ant 1 to RX
+#define TX_EN_TXIO (1 << 11) // 1 = TX on, 0 = TX off
+#define AD9515DIV_TXIO (1 << 4) // 1 = Div by 3, 0 = Div by 2
-#define TXIO_MASK (HB_PA_OFF_TXIO | LB_PA_OFF_TXIO | ANTSEL_TX1_RX2_TXIO | ANTSEL_TX2_RX1_TXIO | TX_EN_TXIO | AD9515DIV_TXIO)
+#define TXIO_MASK \
+ (HB_PA_OFF_TXIO | LB_PA_OFF_TXIO | ANTSEL_TX1_RX2_TXIO | ANTSEL_TX2_RX1_TXIO \
+ | TX_EN_TXIO | AD9515DIV_TXIO)
// TX IO Functions
-#define HB_PA_TXIO LB_PA_OFF_TXIO
-#define LB_PA_TXIO HB_PA_OFF_TXIO
-#define TX_ENB_TXIO TX_EN_TXIO
-#define TX_DIS_TXIO (HB_PA_OFF_TXIO | LB_PA_OFF_TXIO)
-#define AD9515DIV_3_TXIO AD9515DIV_TXIO
-#define AD9515DIV_2_TXIO 0
+#define HB_PA_TXIO LB_PA_OFF_TXIO
+#define LB_PA_TXIO HB_PA_OFF_TXIO
+#define TX_ENB_TXIO TX_EN_TXIO
+#define TX_DIS_TXIO (HB_PA_OFF_TXIO | LB_PA_OFF_TXIO)
+#define AD9515DIV_3_TXIO AD9515DIV_TXIO
+#define AD9515DIV_2_TXIO 0
// RX IO Pins
-#define LOCKDET_RXIO (1 << 15) // This is an INPUT!!!
-#define POWER_RXIO (1 << 14) // 1 = power on, 0 = shutdown
-#define RX_EN_RXIO (1 << 13) // 1 = RX on, 0 = RX off
-#define RX_HP_RXIO (1 << 12) // 0 = Fc set by rx_hpf, 1 = 600 KHz
+#define LOCKDET_RXIO (1 << 15) // This is an INPUT!!!
+#define POWER_RXIO (1 << 14) // 1 = power on, 0 = shutdown
+#define RX_EN_RXIO (1 << 13) // 1 = RX on, 0 = RX off
+#define RX_HP_RXIO (1 << 12) // 0 = Fc set by rx_hpf, 1 = 600 KHz
#define RXIO_MASK (POWER_RXIO | RX_EN_RXIO | RX_HP_RXIO)
// RX IO Functions
-#define POWER_UP_RXIO POWER_RXIO
-#define POWER_DOWN_RXIO 0
-#define RX_ENB_RXIO RX_EN_RXIO
-#define RX_DIS_RXIO 0
+#define POWER_UP_RXIO POWER_RXIO
+#define POWER_DOWN_RXIO 0
+#define RX_ENB_RXIO RX_EN_RXIO
+#define RX_DIS_RXIO 0
#include "max2829_regs.hpp"
#include <uhd/types/dict.hpp>
@@ -63,45 +65,32 @@ using namespace boost::assign;
/***********************************************************************
* The XCVR 2450 constants
**********************************************************************/
-static const freq_range_t xcvr_freq_range = list_of
- (range_t(2.4e9, 2.5e9))
- (range_t(4.9e9, 6.0e9))
-;
-
-//Multiplied by 2.0 for conversion to complex bandpass from lowpass
-static const freq_range_t xcvr_tx_bandwidth_range = list_of
- (range_t(2.0*12e6))
- (range_t(2.0*18e6))
- (range_t(2.0*24e6))
-;
-
-//Multiplied by 2.0 for conversion to complex bandpass from lowpass
-static const freq_range_t xcvr_rx_bandwidth_range = list_of
- (range_t(2.0*0.9*7.5e6, 2.0*1.1*7.5e6))
- (range_t(2.0*0.9*9.5e6, 2.0*1.1*9.5e6))
- (range_t(2.0*0.9*14e6, 2.0*1.1*14e6))
- (range_t(2.0*0.9*18e6, 2.0*1.1*18e6))
-;
+static const freq_range_t xcvr_freq_range =
+ list_of(range_t(2.4e9, 2.5e9))(range_t(4.9e9, 6.0e9));
+
+// Multiplied by 2.0 for conversion to complex bandpass from lowpass
+static const freq_range_t xcvr_tx_bandwidth_range =
+ list_of(range_t(2.0 * 12e6))(range_t(2.0 * 18e6))(range_t(2.0 * 24e6));
+
+// Multiplied by 2.0 for conversion to complex bandpass from lowpass
+static const freq_range_t xcvr_rx_bandwidth_range =
+ list_of(range_t(2.0 * 0.9 * 7.5e6, 2.0 * 1.1 * 7.5e6))(
+ range_t(2.0 * 0.9 * 9.5e6, 2.0 * 1.1 * 9.5e6))(range_t(
+ 2.0 * 0.9 * 14e6, 2.0 * 1.1 * 14e6))(range_t(2.0 * 0.9 * 18e6, 2.0 * 1.1 * 18e6));
static const std::vector<std::string> xcvr_antennas = list_of("J1")("J2");
-static const uhd::dict<std::string, gain_range_t> xcvr_tx_gain_ranges = map_list_of
- ("VGA", gain_range_t(0, 30, 0.5))
- ("BB", gain_range_t(0, 5, 1.5))
-;
-static const uhd::dict<std::string, gain_range_t> xcvr_rx_gain_ranges = map_list_of
- ("LNA", gain_range_t(list_of
- (range_t(0))
- (range_t(15))
- (range_t(30.5))
- ))
- ("VGA", gain_range_t(0, 62, 2.0))
-;
+static const uhd::dict<std::string, gain_range_t> xcvr_tx_gain_ranges =
+ map_list_of("VGA", gain_range_t(0, 30, 0.5))("BB", gain_range_t(0, 5, 1.5));
+static const uhd::dict<std::string, gain_range_t> xcvr_rx_gain_ranges =
+ map_list_of("LNA", gain_range_t(list_of(range_t(0))(range_t(15))(range_t(30.5))))(
+ "VGA", gain_range_t(0, 62, 2.0));
/***********************************************************************
* The XCVR 2450 dboard class
**********************************************************************/
-class xcvr2450 : public xcvr_dboard_base{
+class xcvr2450 : public xcvr_dboard_base
+{
public:
xcvr2450(ctor_args_t args);
virtual ~xcvr2450(void);
@@ -116,35 +105,38 @@ private:
double set_lo_freq(double target_freq);
double set_lo_freq_core(double target_freq);
- void set_tx_ant(const std::string &ant);
- void set_rx_ant(const std::string &ant);
- double set_tx_gain(double gain, const std::string &name);
- double set_rx_gain(double gain, const std::string &name);
+ void set_tx_ant(const std::string& ant);
+ void set_rx_ant(const std::string& ant);
+ double set_tx_gain(double gain, const std::string& name);
+ double set_rx_gain(double gain, const std::string& name);
double set_rx_bandwidth(double bandwidth);
double set_tx_bandwidth(double bandwidth);
void update_atr(void);
void spi_reset(void);
- void send_reg(uint8_t addr){
+ void send_reg(uint8_t addr)
+ {
uint32_t value = _max2829_regs.get_reg(addr);
- UHD_LOGGER_TRACE("XCVR2450") << boost::format(
- "XCVR2450: send reg 0x%02x, value 0x%05x"
- ) % int(addr) % value ;
+ UHD_LOGGER_TRACE("XCVR2450")
+ << boost::format("XCVR2450: send reg 0x%02x, value 0x%05x") % int(addr)
+ % value;
this->get_iface()->write_spi(
- dboard_iface::UNIT_RX,
- spi_config_t::EDGE_RISE,
- value, 24
- );
+ dboard_iface::UNIT_RX, spi_config_t::EDGE_RISE, value, 24);
}
- static bool is_highband(double freq){return freq > 3e9;}
+ static bool is_highband(double freq)
+ {
+ return freq > 3e9;
+ }
/*!
* Get the lock detect status of the LO.
* \return sensor for locked
*/
- sensor_value_t get_locked(void){
- const bool locked = (this->get_iface()->read_gpio(dboard_iface::UNIT_RX) & LOCKDET_RXIO) != 0;
+ sensor_value_t get_locked(void)
+ {
+ const bool locked =
+ (this->get_iface()->read_gpio(dboard_iface::UNIT_RX) & LOCKDET_RXIO) != 0;
return sensor_value_t("LO", locked, "locked", "unlocked");
}
@@ -152,22 +144,30 @@ private:
* Read the RSSI from the aux adc
* \return the rssi sensor in dBm
*/
- sensor_value_t get_rssi(void){
+ sensor_value_t get_rssi(void)
+ {
//*FIXME* RSSI depends on LNA Gain Setting (datasheet pg 16 top middle chart)
double max_power = 0.0;
- switch(_max2829_regs.rx_lna_gain){
- case 0:
- case 1: max_power = 0; break;
- case 2: max_power = -15; break;
- case 3: max_power = -30.5; break;
+ switch (_max2829_regs.rx_lna_gain) {
+ case 0:
+ case 1:
+ max_power = 0;
+ break;
+ case 2:
+ max_power = -15;
+ break;
+ case 3:
+ max_power = -30.5;
+ break;
}
- //constants for the rssi calculation
+ // constants for the rssi calculation
static const double min_v = 2.5, max_v = 0.5;
static const double rssi_dyn_range = 60.0;
- //calculate the rssi from the voltage
- double voltage = this->get_iface()->read_aux_adc(dboard_iface::UNIT_RX, dboard_iface::AUX_ADC_B);
- double rssi = max_power - rssi_dyn_range*(voltage - min_v)/(max_v - min_v);
+ // calculate the rssi from the voltage
+ double voltage = this->get_iface()->read_aux_adc(
+ dboard_iface::UNIT_RX, dboard_iface::AUX_ADC_B);
+ double rssi = max_power - rssi_dyn_range * (voltage - min_v) / (max_v - min_v);
return sensor_value_t("RSSI", rssi, "dBm");
}
};
@@ -175,12 +175,14 @@ private:
/***********************************************************************
* Register the XCVR 2450 dboard
**********************************************************************/
-static dboard_base::sptr make_xcvr2450(dboard_base::ctor_args_t args){
+static dboard_base::sptr make_xcvr2450(dboard_base::ctor_args_t args)
+{
return dboard_base::sptr(new xcvr2450(args));
}
-UHD_STATIC_BLOCK(reg_xcvr2450_dboard){
- //register the factory function for the rx and tx dbids
+UHD_STATIC_BLOCK(reg_xcvr2450_dboard)
+{
+ // register the factory function for the rx and tx dbids
dboard_manager::register_dboard(0x0061, 0x0060, &make_xcvr2450, "XCVR2450");
dboard_manager::register_dboard(0x0061, 0x0059, &make_xcvr2450, "XCVR2450 - r2.1");
}
@@ -188,13 +190,14 @@ UHD_STATIC_BLOCK(reg_xcvr2450_dboard){
/***********************************************************************
* Structors
**********************************************************************/
-xcvr2450::xcvr2450(ctor_args_t args) : xcvr_dboard_base(args){
- spi_reset(); //prepare the spi
+xcvr2450::xcvr2450(ctor_args_t args) : xcvr_dboard_base(args)
+{
+ spi_reset(); // prepare the spi
_rx_bandwidth = 9.5e6;
_tx_bandwidth = 12.0e6;
- //setup the misc max2829 registers
+ // setup the misc max2829 registers
_max2829_regs.mimo_select = max2829_regs_t::MIMO_SELECT_MIMO;
_max2829_regs.band_sel_mimo = max2829_regs_t::BAND_SEL_MIMO_MIMO;
_max2829_regs.pll_cp_select = max2829_regs_t::PLL_CP_SELECT_4MA;
@@ -212,223 +215,261 @@ xcvr2450::xcvr2450(ctor_args_t args) : xcvr_dboard_base(args){
_max2829_regs.tx_vga_linearity = max2829_regs_t::TX_VGA_LINEARITY_78;
_max2829_regs.tx_upconv_linearity = max2829_regs_t::TX_UPCONV_LINEARITY_78;
- //send initial register settings
- for(uint8_t reg = 0x2; reg <= 0xC; reg++){
+ // send initial register settings
+ for (uint8_t reg = 0x2; reg <= 0xC; reg++) {
this->send_reg(reg);
}
////////////////////////////////////////////////////////////////////
// Register RX properties
////////////////////////////////////////////////////////////////////
- this->get_rx_subtree()->create<std::string>("name")
- .set("XCVR2450 RX");
- this->get_rx_subtree()->create<sensor_value_t>("sensors/lo_locked")
+ this->get_rx_subtree()->create<std::string>("name").set("XCVR2450 RX");
+ this->get_rx_subtree()
+ ->create<sensor_value_t>("sensors/lo_locked")
.set_publisher(std::bind(&xcvr2450::get_locked, this));
- this->get_rx_subtree()->create<sensor_value_t>("sensors/rssi")
+ this->get_rx_subtree()
+ ->create<sensor_value_t>("sensors/rssi")
.set_publisher(std::bind(&xcvr2450::get_rssi, this));
- for(const std::string &name: xcvr_rx_gain_ranges.keys()){
- this->get_rx_subtree()->create<double>("gains/"+name+"/value")
- .set_coercer(std::bind(&xcvr2450::set_rx_gain, this, std::placeholders::_1, name))
+ for (const std::string& name : xcvr_rx_gain_ranges.keys()) {
+ this->get_rx_subtree()
+ ->create<double>("gains/" + name + "/value")
+ .set_coercer(
+ std::bind(&xcvr2450::set_rx_gain, this, std::placeholders::_1, name))
.set(xcvr_rx_gain_ranges[name].start());
- this->get_rx_subtree()->create<meta_range_t>("gains/"+name+"/range")
+ this->get_rx_subtree()
+ ->create<meta_range_t>("gains/" + name + "/range")
.set(xcvr_rx_gain_ranges[name]);
}
- this->get_rx_subtree()->create<double>("freq/value")
+ this->get_rx_subtree()
+ ->create<double>("freq/value")
.set_coercer(std::bind(&xcvr2450::set_lo_freq, this, std::placeholders::_1))
.set(double(2.45e9));
- this->get_rx_subtree()->create<meta_range_t>("freq/range")
- .set(xcvr_freq_range);
- this->get_rx_subtree()->create<std::string>("antenna/value")
- .add_coerced_subscriber(std::bind(&xcvr2450::set_rx_ant, this, std::placeholders::_1))
+ this->get_rx_subtree()->create<meta_range_t>("freq/range").set(xcvr_freq_range);
+ this->get_rx_subtree()
+ ->create<std::string>("antenna/value")
+ .add_coerced_subscriber(
+ std::bind(&xcvr2450::set_rx_ant, this, std::placeholders::_1))
.set(xcvr_antennas.at(0));
- this->get_rx_subtree()->create<std::vector<std::string> >("antenna/options")
+ this->get_rx_subtree()
+ ->create<std::vector<std::string>>("antenna/options")
.set(xcvr_antennas);
- this->get_rx_subtree()->create<std::string>("connection")
- .set("IQ");
- this->get_rx_subtree()->create<bool>("enabled")
- .set(true); //always enabled
- this->get_rx_subtree()->create<bool>("use_lo_offset")
- .set(false);
- this->get_rx_subtree()->create<double>("bandwidth/value")
- .set_coercer(std::bind(&xcvr2450::set_rx_bandwidth, this, std::placeholders::_1)) //complex bandpass bandwidth
- .set(2.0*_rx_bandwidth); //_rx_bandwidth in lowpass, convert to complex bandpass
- this->get_rx_subtree()->create<meta_range_t>("bandwidth/range")
+ this->get_rx_subtree()->create<std::string>("connection").set("IQ");
+ this->get_rx_subtree()->create<bool>("enabled").set(true); // always enabled
+ this->get_rx_subtree()->create<bool>("use_lo_offset").set(false);
+ this->get_rx_subtree()
+ ->create<double>("bandwidth/value")
+ .set_coercer(std::bind(&xcvr2450::set_rx_bandwidth,
+ this,
+ std::placeholders::_1)) // complex bandpass bandwidth
+ .set(2.0 * _rx_bandwidth); //_rx_bandwidth in lowpass, convert to complex bandpass
+ this->get_rx_subtree()
+ ->create<meta_range_t>("bandwidth/range")
.set(xcvr_rx_bandwidth_range);
////////////////////////////////////////////////////////////////////
// Register TX properties
////////////////////////////////////////////////////////////////////
- this->get_tx_subtree()->create<std::string>("name")
- .set("XCVR2450 TX");
- this->get_tx_subtree()->create<sensor_value_t>("sensors/lo_locked")
+ this->get_tx_subtree()->create<std::string>("name").set("XCVR2450 TX");
+ this->get_tx_subtree()
+ ->create<sensor_value_t>("sensors/lo_locked")
.set_publisher(std::bind(&xcvr2450::get_locked, this));
- for(const std::string &name: xcvr_tx_gain_ranges.keys()){
- this->get_tx_subtree()->create<double>("gains/"+name+"/value")
- .set_coercer(std::bind(&xcvr2450::set_tx_gain, this, std::placeholders::_1, name))
+ for (const std::string& name : xcvr_tx_gain_ranges.keys()) {
+ this->get_tx_subtree()
+ ->create<double>("gains/" + name + "/value")
+ .set_coercer(
+ std::bind(&xcvr2450::set_tx_gain, this, std::placeholders::_1, name))
.set(xcvr_tx_gain_ranges[name].start());
- this->get_tx_subtree()->create<meta_range_t>("gains/"+name+"/range")
+ this->get_tx_subtree()
+ ->create<meta_range_t>("gains/" + name + "/range")
.set(xcvr_tx_gain_ranges[name]);
}
- this->get_tx_subtree()->create<double>("freq/value")
+ this->get_tx_subtree()
+ ->create<double>("freq/value")
.set_coercer(std::bind(&xcvr2450::set_lo_freq, this, std::placeholders::_1))
.set(double(2.45e9));
- this->get_tx_subtree()->create<meta_range_t>("freq/range")
- .set(xcvr_freq_range);
- this->get_tx_subtree()->create<std::string>("antenna/value")
- .add_coerced_subscriber(std::bind(&xcvr2450::set_tx_ant, this, std::placeholders::_1))
+ this->get_tx_subtree()->create<meta_range_t>("freq/range").set(xcvr_freq_range);
+ this->get_tx_subtree()
+ ->create<std::string>("antenna/value")
+ .add_coerced_subscriber(
+ std::bind(&xcvr2450::set_tx_ant, this, std::placeholders::_1))
.set(xcvr_antennas.at(1));
- this->get_tx_subtree()->create<std::vector<std::string> >("antenna/options")
+ this->get_tx_subtree()
+ ->create<std::vector<std::string>>("antenna/options")
.set(xcvr_antennas);
- this->get_tx_subtree()->create<std::string>("connection")
- .set("QI");
- this->get_tx_subtree()->create<bool>("enabled")
- .set(true); //always enabled
- this->get_tx_subtree()->create<bool>("use_lo_offset")
- .set(false);
- this->get_tx_subtree()->create<double>("bandwidth/value")
- .set_coercer(std::bind(&xcvr2450::set_tx_bandwidth, this, std::placeholders::_1)) //complex bandpass bandwidth
- .set(2.0*_tx_bandwidth); //_tx_bandwidth in lowpass, convert to complex bandpass
- this->get_tx_subtree()->create<meta_range_t>("bandwidth/range")
+ this->get_tx_subtree()->create<std::string>("connection").set("QI");
+ this->get_tx_subtree()->create<bool>("enabled").set(true); // always enabled
+ this->get_tx_subtree()->create<bool>("use_lo_offset").set(false);
+ this->get_tx_subtree()
+ ->create<double>("bandwidth/value")
+ .set_coercer(std::bind(&xcvr2450::set_tx_bandwidth,
+ this,
+ std::placeholders::_1)) // complex bandpass bandwidth
+ .set(2.0 * _tx_bandwidth); //_tx_bandwidth in lowpass, convert to complex bandpass
+ this->get_tx_subtree()
+ ->create<meta_range_t>("bandwidth/range")
.set(xcvr_tx_bandwidth_range);
- //enable only the clocks we need
+ // enable only the clocks we need
this->get_iface()->set_clock_enabled(dboard_iface::UNIT_TX, true);
- //set the gpio directions and atr controls (identically)
+ // set the gpio directions and atr controls (identically)
this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_TX, TXIO_MASK);
this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, RXIO_MASK);
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_TX, TXIO_MASK);
this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, RXIO_MASK);
}
-xcvr2450::~xcvr2450(void){
+xcvr2450::~xcvr2450(void)
+{
UHD_SAFE_CALL(spi_reset();)
}
-void xcvr2450::spi_reset(void){
- //spi reset mode: global enable = off, tx and rx enable = on
- this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, gpio_atr::ATR_REG_IDLE, TX_ENB_TXIO);
- this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, gpio_atr::ATR_REG_IDLE, RX_ENB_RXIO | POWER_DOWN_RXIO);
+void xcvr2450::spi_reset(void)
+{
+ // spi reset mode: global enable = off, tx and rx enable = on
+ this->get_iface()->set_atr_reg(
+ dboard_iface::UNIT_TX, gpio_atr::ATR_REG_IDLE, TX_ENB_TXIO);
+ this->get_iface()->set_atr_reg(
+ dboard_iface::UNIT_RX, gpio_atr::ATR_REG_IDLE, RX_ENB_RXIO | POWER_DOWN_RXIO);
std::this_thread::sleep_for(std::chrono::milliseconds(10));
- //take it back out of spi reset mode and wait a bit
- this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, gpio_atr::ATR_REG_IDLE, RX_DIS_RXIO | POWER_UP_RXIO);
+ // take it back out of spi reset mode and wait a bit
+ this->get_iface()->set_atr_reg(
+ dboard_iface::UNIT_RX, gpio_atr::ATR_REG_IDLE, RX_DIS_RXIO | POWER_UP_RXIO);
std::this_thread::sleep_for(std::chrono::milliseconds(10));
}
/***********************************************************************
* Update ATR regs which change with Antenna or Freq
**********************************************************************/
-void xcvr2450::update_atr(void){
- //calculate tx atr pins
- int band_sel = (xcvr2450::is_highband(_lo_freq))? HB_PA_TXIO : LB_PA_TXIO;
- int tx_ant_sel = (_tx_ant == "J1")? ANTSEL_TX1_RX2_TXIO : ANTSEL_TX2_RX1_TXIO;
- int rx_ant_sel = (_rx_ant == "J2")? ANTSEL_TX1_RX2_TXIO : ANTSEL_TX2_RX1_TXIO;
- int xx_ant_sel = tx_ant_sel; //Prefer the tx antenna selection for full duplex,
- //due to the issue that USRP1 will take the value of full duplex for its TXATR.
- int ad9515div = (_ad9515div == 3)? AD9515DIV_3_TXIO : AD9515DIV_2_TXIO;
-
- //set the tx registers
- this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, gpio_atr::ATR_REG_IDLE, band_sel | ad9515div | TX_DIS_TXIO);
- this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, gpio_atr::ATR_REG_RX_ONLY, band_sel | ad9515div | TX_DIS_TXIO | rx_ant_sel);
- this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, gpio_atr::ATR_REG_TX_ONLY, band_sel | ad9515div | TX_ENB_TXIO | tx_ant_sel);
- this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, gpio_atr::ATR_REG_FULL_DUPLEX, band_sel | ad9515div | TX_ENB_TXIO | xx_ant_sel);
-
- //set the rx registers
- this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, gpio_atr::ATR_REG_IDLE, POWER_UP_RXIO | RX_DIS_RXIO);
- this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, gpio_atr::ATR_REG_RX_ONLY, POWER_UP_RXIO | RX_ENB_RXIO);
- this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, gpio_atr::ATR_REG_TX_ONLY, POWER_UP_RXIO | RX_DIS_RXIO);
- this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, gpio_atr::ATR_REG_FULL_DUPLEX, POWER_UP_RXIO | RX_DIS_RXIO);
+void xcvr2450::update_atr(void)
+{
+ // calculate tx atr pins
+ int band_sel = (xcvr2450::is_highband(_lo_freq)) ? HB_PA_TXIO : LB_PA_TXIO;
+ int tx_ant_sel = (_tx_ant == "J1") ? ANTSEL_TX1_RX2_TXIO : ANTSEL_TX2_RX1_TXIO;
+ int rx_ant_sel = (_rx_ant == "J2") ? ANTSEL_TX1_RX2_TXIO : ANTSEL_TX2_RX1_TXIO;
+ int xx_ant_sel = tx_ant_sel; // Prefer the tx antenna selection for full duplex,
+ // due to the issue that USRP1 will take the value of full duplex for its TXATR.
+ int ad9515div = (_ad9515div == 3) ? AD9515DIV_3_TXIO : AD9515DIV_2_TXIO;
+
+ // set the tx registers
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX,
+ gpio_atr::ATR_REG_IDLE,
+ band_sel | ad9515div | TX_DIS_TXIO);
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX,
+ gpio_atr::ATR_REG_RX_ONLY,
+ band_sel | ad9515div | TX_DIS_TXIO | rx_ant_sel);
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX,
+ gpio_atr::ATR_REG_TX_ONLY,
+ band_sel | ad9515div | TX_ENB_TXIO | tx_ant_sel);
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX,
+ gpio_atr::ATR_REG_FULL_DUPLEX,
+ band_sel | ad9515div | TX_ENB_TXIO | xx_ant_sel);
+
+ // set the rx registers
+ this->get_iface()->set_atr_reg(
+ dboard_iface::UNIT_RX, gpio_atr::ATR_REG_IDLE, POWER_UP_RXIO | RX_DIS_RXIO);
+ this->get_iface()->set_atr_reg(
+ dboard_iface::UNIT_RX, gpio_atr::ATR_REG_RX_ONLY, POWER_UP_RXIO | RX_ENB_RXIO);
+ this->get_iface()->set_atr_reg(
+ dboard_iface::UNIT_RX, gpio_atr::ATR_REG_TX_ONLY, POWER_UP_RXIO | RX_DIS_RXIO);
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX,
+ gpio_atr::ATR_REG_FULL_DUPLEX,
+ POWER_UP_RXIO | RX_DIS_RXIO);
}
/***********************************************************************
* Tuning
**********************************************************************/
-double xcvr2450::set_lo_freq(double target_freq){
- //tune the LO and sleep a bit for lock
- //if not locked, try some carrier offsets
+double xcvr2450::set_lo_freq(double target_freq)
+{
+ // tune the LO and sleep a bit for lock
+ // if not locked, try some carrier offsets
double actual = 0.0;
- for (double offset = 0.0; offset <= 3e6; offset+=1e6){
+ for (double offset = 0.0; offset <= 3e6; offset += 1e6) {
actual = this->set_lo_freq_core(target_freq + offset);
std::this_thread::sleep_for(std::chrono::milliseconds(50));
- if (this->get_locked().to_bool()) break;
+ if (this->get_locked().to_bool())
+ break;
}
return actual;
}
-double xcvr2450::set_lo_freq_core(double target_freq){
-
- //clip the input to the range
+double xcvr2450::set_lo_freq_core(double target_freq)
+{
+ // clip the input to the range
target_freq = xcvr_freq_range.clip(target_freq);
- //variables used in the calculation below
- double scaler = xcvr2450::is_highband(target_freq)? (4.0/5.0) : (4.0/3.0);
+ // variables used in the calculation below
+ double scaler = xcvr2450::is_highband(target_freq) ? (4.0 / 5.0) : (4.0 / 3.0);
double ref_freq = this->get_iface()->get_codec_rate(dboard_iface::UNIT_TX);
int R, intdiv = 131, fracdiv = 0;
- //loop through values until we get a match
- for(_ad9515div = 2; _ad9515div <= 3; _ad9515div++){
- for(R = 1; R <= 7; R++){
- double N = (target_freq*scaler*R*_ad9515div)/ref_freq;
- intdiv = int(std::floor(N));
- fracdiv = boost::math::iround((N - intdiv)*double(1 << 16));
- //actual minimum is 128, but most chips seems to require higher to lock
- if (intdiv < 131 or intdiv > 255) continue;
- //constraints met: exit loop
+ // loop through values until we get a match
+ for (_ad9515div = 2; _ad9515div <= 3; _ad9515div++) {
+ for (R = 1; R <= 7; R++) {
+ double N = (target_freq * scaler * R * _ad9515div) / ref_freq;
+ intdiv = int(std::floor(N));
+ fracdiv = boost::math::iround((N - intdiv) * double(1 << 16));
+ // actual minimum is 128, but most chips seems to require higher to lock
+ if (intdiv < 131 or intdiv > 255)
+ continue;
+ // constraints met: exit loop
goto done_loop;
}
- } done_loop:
+ }
+done_loop:
- //calculate the actual freq from the values above
- double N = double(intdiv) + double(fracdiv)/double(1 << 16);
- _lo_freq = (N*ref_freq)/(scaler*R*_ad9515div);
+ // calculate the actual freq from the values above
+ double N = double(intdiv) + double(fracdiv) / double(1 << 16);
+ _lo_freq = (N * ref_freq) / (scaler * R * _ad9515div);
UHD_LOGGER_TRACE("XCVR2450")
<< boost::format("XCVR2450 tune:\n")
- << boost::format(" R=%d, N=%f, ad9515=%d, scaler=%f\n") % R % N % _ad9515div % scaler
- << boost::format(" Ref Freq=%fMHz\n") % (ref_freq/1e6)
- << boost::format(" Target Freq=%fMHz\n") % (target_freq/1e6)
- << boost::format(" Actual Freq=%fMHz\n") % (_lo_freq/1e6)
- ;
-
- //high-high band or low-high band?
- if(_lo_freq > (5.35e9 + 5.47e9)/2.0){
- UHD_LOGGER_TRACE("XCVR2450") << "XCVR2450 tune: Using high-high band" ;
- _max2829_regs.band_select_802_11a = max2829_regs_t::BAND_SELECT_802_11A_5_47GHZ_TO_5_875GHZ;
- }else{
- UHD_LOGGER_TRACE("XCVR2450") << "XCVR2450 tune: Using low-high band" ;
- _max2829_regs.band_select_802_11a = max2829_regs_t::BAND_SELECT_802_11A_4_9GHZ_TO_5_35GHZ;
+ << boost::format(" R=%d, N=%f, ad9515=%d, scaler=%f\n") % R % N % _ad9515div
+ % scaler
+ << boost::format(" Ref Freq=%fMHz\n") % (ref_freq / 1e6)
+ << boost::format(" Target Freq=%fMHz\n") % (target_freq / 1e6)
+ << boost::format(" Actual Freq=%fMHz\n") % (_lo_freq / 1e6);
+
+ // high-high band or low-high band?
+ if (_lo_freq > (5.35e9 + 5.47e9) / 2.0) {
+ UHD_LOGGER_TRACE("XCVR2450") << "XCVR2450 tune: Using high-high band";
+ _max2829_regs.band_select_802_11a =
+ max2829_regs_t::BAND_SELECT_802_11A_5_47GHZ_TO_5_875GHZ;
+ } else {
+ UHD_LOGGER_TRACE("XCVR2450") << "XCVR2450 tune: Using low-high band";
+ _max2829_regs.band_select_802_11a =
+ max2829_regs_t::BAND_SELECT_802_11A_4_9GHZ_TO_5_35GHZ;
}
- //new band select settings and ad9515 divider
+ // new band select settings and ad9515 divider
this->update_atr();
const bool div_ext(this->get_tx_id() == 0x0059);
- if (div_ext)
- {
- this->get_iface()->set_clock_rate(dboard_iface::UNIT_TX, ref_freq/_ad9515div);
- }
- else
- {
+ if (div_ext) {
+ this->get_iface()->set_clock_rate(dboard_iface::UNIT_TX, ref_freq / _ad9515div);
+ } else {
this->get_iface()->set_clock_rate(dboard_iface::UNIT_TX, ref_freq);
}
- //load new counters into registers
+ // load new counters into registers
_max2829_regs.int_div_ratio_word = intdiv;
_max2829_regs.frac_div_ratio_lsb = fracdiv & 0x3;
_max2829_regs.frac_div_ratio_msb = fracdiv >> 2;
- this->send_reg(0x3); //integer
- this->send_reg(0x4); //fractional
+ this->send_reg(0x3); // integer
+ this->send_reg(0x4); // fractional
- //load the reference divider and band select into registers
- //toggle the bandswitch from off to automatic (which really means start)
+ // load the reference divider and band select into registers
+ // toggle the bandswitch from off to automatic (which really means start)
_max2829_regs.ref_divider = R;
- _max2829_regs.band_select = (xcvr2450::is_highband(_lo_freq))?
- max2829_regs_t::BAND_SELECT_5GHZ :
- max2829_regs_t::BAND_SELECT_2_4GHZ ;
+ _max2829_regs.band_select = (xcvr2450::is_highband(_lo_freq))
+ ? max2829_regs_t::BAND_SELECT_5GHZ
+ : max2829_regs_t::BAND_SELECT_2_4GHZ;
_max2829_regs.vco_bandswitch = max2829_regs_t::VCO_BANDSWITCH_DISABLE;
this->send_reg(0x5);
- _max2829_regs.vco_bandswitch = max2829_regs_t::VCO_BANDSWITCH_AUTOMATIC;;
+ _max2829_regs.vco_bandswitch = max2829_regs_t::VCO_BANDSWITCH_AUTOMATIC;
+ ;
this->send_reg(0x5);
return _lo_freq;
@@ -437,16 +478,18 @@ double xcvr2450::set_lo_freq_core(double target_freq){
/***********************************************************************
* Antenna Handling
**********************************************************************/
-void xcvr2450::set_tx_ant(const std::string &ant){
+void xcvr2450::set_tx_ant(const std::string& ant)
+{
assert_has(xcvr_antennas, ant, "xcvr antenna name");
- _tx_ant = ant;
- this->update_atr(); //sets the atr to the new antenna setting
+ _tx_ant = ant;
+ this->update_atr(); // sets the atr to the new antenna setting
}
-void xcvr2450::set_rx_ant(const std::string &ant){
+void xcvr2450::set_rx_ant(const std::string& ant)
+{
assert_has(xcvr_antennas, ant, "xcvr antenna name");
_rx_ant = ant;
- this->update_atr(); //sets the atr to the new antenna setting
+ this->update_atr(); // sets the atr to the new antenna setting
}
/***********************************************************************
@@ -458,16 +501,20 @@ void xcvr2450::set_rx_ant(const std::string &ant){
* \param gain the requested gain in dB
* \return 6 bit the register value
*/
-static int gain_to_tx_vga_reg(double &gain){
- //calculate the register value
- int reg = uhd::clip(boost::math::iround(gain*60/30.0) + 3, 0, 63);
+static int gain_to_tx_vga_reg(double& gain)
+{
+ // calculate the register value
+ int reg = uhd::clip(boost::math::iround(gain * 60 / 30.0) + 3, 0, 63);
- //calculate the actual gain value
- if (reg < 4) gain = 0;
- else if (reg < 48) gain = double(reg/2 - 1);
- else gain = double(reg/2.0 - 1.5);
+ // calculate the actual gain value
+ if (reg < 4)
+ gain = 0;
+ else if (reg < 48)
+ gain = double(reg / 2 - 1);
+ else
+ gain = double(reg / 2.0 - 1.5);
- //return register value
+ // return register value
return reg;
}
@@ -477,21 +524,22 @@ static int gain_to_tx_vga_reg(double &gain){
* \param gain the requested gain in dB
* \return gain enum value
*/
-static max2829_regs_t::tx_baseband_gain_t gain_to_tx_bb_reg(double &gain){
- int reg = uhd::clip(boost::math::iround(gain*3/5.0), 0, 3);
- switch(reg){
- case 0:
- gain = 0;
- return max2829_regs_t::TX_BASEBAND_GAIN_0DB;
- case 1:
- gain = 2;
- return max2829_regs_t::TX_BASEBAND_GAIN_2DB;
- case 2:
- gain = 3.5;
- return max2829_regs_t::TX_BASEBAND_GAIN_3_5DB;
- case 3:
- gain = 5;
- return max2829_regs_t::TX_BASEBAND_GAIN_5DB;
+static max2829_regs_t::tx_baseband_gain_t gain_to_tx_bb_reg(double& gain)
+{
+ int reg = uhd::clip(boost::math::iround(gain * 3 / 5.0), 0, 3);
+ switch (reg) {
+ case 0:
+ gain = 0;
+ return max2829_regs_t::TX_BASEBAND_GAIN_0DB;
+ case 1:
+ gain = 2;
+ return max2829_regs_t::TX_BASEBAND_GAIN_2DB;
+ case 2:
+ gain = 3.5;
+ return max2829_regs_t::TX_BASEBAND_GAIN_3_5DB;
+ case 3:
+ gain = 5;
+ return max2829_regs_t::TX_BASEBAND_GAIN_5DB;
}
UHD_THROW_INVALID_CODE_PATH();
}
@@ -502,9 +550,10 @@ static max2829_regs_t::tx_baseband_gain_t gain_to_tx_bb_reg(double &gain){
* \param gain the requested gain in dB
* \return 5 bit the register value
*/
-static int gain_to_rx_vga_reg(double &gain){
- int reg = uhd::clip(boost::math::iround(gain/2.0), 0, 31);
- gain = double(reg*2);
+static int gain_to_rx_vga_reg(double& gain)
+{
+ int reg = uhd::clip(boost::math::iround(gain / 2.0), 0, 31);
+ gain = double(reg * 2);
return reg;
}
@@ -514,44 +563,51 @@ static int gain_to_rx_vga_reg(double &gain){
* \param gain the requested gain in dB
* \return 2 bit the register value
*/
-static int gain_to_rx_lna_reg(double &gain){
- int reg = uhd::clip(boost::math::iround(gain*2/30.5) + 1, 0, 3);
- switch(reg){
- case 0:
- case 1: gain = 0; break;
- case 2: gain = 15; break;
- case 3: gain = 30.5; break;
+static int gain_to_rx_lna_reg(double& gain)
+{
+ int reg = uhd::clip(boost::math::iround(gain * 2 / 30.5) + 1, 0, 3);
+ switch (reg) {
+ case 0:
+ case 1:
+ gain = 0;
+ break;
+ case 2:
+ gain = 15;
+ break;
+ case 3:
+ gain = 30.5;
+ break;
}
return reg;
}
-double xcvr2450::set_tx_gain(double gain, const std::string &name){
+double xcvr2450::set_tx_gain(double gain, const std::string& name)
+{
assert_has(xcvr_tx_gain_ranges.keys(), name, "xcvr tx gain name");
- if (name == "VGA"){
+ if (name == "VGA") {
_max2829_regs.tx_vga_gain = gain_to_tx_vga_reg(gain);
send_reg(0xC);
- }
- else if(name == "BB"){
+ } else if (name == "BB") {
_max2829_regs.tx_baseband_gain = gain_to_tx_bb_reg(gain);
send_reg(0x9);
- }
- else UHD_THROW_INVALID_CODE_PATH();
+ } else
+ UHD_THROW_INVALID_CODE_PATH();
_tx_gains[name] = gain;
return gain;
}
-double xcvr2450::set_rx_gain(double gain, const std::string &name){
+double xcvr2450::set_rx_gain(double gain, const std::string& name)
+{
assert_has(xcvr_rx_gain_ranges.keys(), name, "xcvr rx gain name");
- if (name == "VGA"){
+ if (name == "VGA") {
_max2829_regs.rx_vga_gain = gain_to_rx_vga_reg(gain);
send_reg(0xB);
- }
- else if(name == "LNA"){
+ } else if (name == "LNA") {
_max2829_regs.rx_lna_gain = gain_to_rx_lna_reg(gain);
send_reg(0xB);
- }
- else UHD_THROW_INVALID_CODE_PATH();
+ } else
+ UHD_THROW_INVALID_CODE_PATH();
_rx_gains[name] = gain;
return gain;
@@ -561,116 +617,128 @@ double xcvr2450::set_rx_gain(double gain, const std::string &name){
/***********************************************************************
* Bandwidth Handling
**********************************************************************/
-static max2829_regs_t::tx_lpf_coarse_adj_t bandwidth_to_tx_lpf_coarse_reg(double &bandwidth){
- int reg = uhd::clip(boost::math::iround((bandwidth-6.0e6)/6.0e6), 1, 3);
-
- switch(reg){
- case 1: // bandwidth < 15MHz
- bandwidth = 12e6;
- return max2829_regs_t::TX_LPF_COARSE_ADJ_12MHZ;
- case 2: // 15MHz < bandwidth < 21MHz
- bandwidth = 18e6;
- return max2829_regs_t::TX_LPF_COARSE_ADJ_18MHZ;
- case 3: // bandwidth > 21MHz
- bandwidth = 24e6;
- return max2829_regs_t::TX_LPF_COARSE_ADJ_24MHZ;
+static max2829_regs_t::tx_lpf_coarse_adj_t bandwidth_to_tx_lpf_coarse_reg(
+ double& bandwidth)
+{
+ int reg = uhd::clip(boost::math::iround((bandwidth - 6.0e6) / 6.0e6), 1, 3);
+
+ switch (reg) {
+ case 1: // bandwidth < 15MHz
+ bandwidth = 12e6;
+ return max2829_regs_t::TX_LPF_COARSE_ADJ_12MHZ;
+ case 2: // 15MHz < bandwidth < 21MHz
+ bandwidth = 18e6;
+ return max2829_regs_t::TX_LPF_COARSE_ADJ_18MHZ;
+ case 3: // bandwidth > 21MHz
+ bandwidth = 24e6;
+ return max2829_regs_t::TX_LPF_COARSE_ADJ_24MHZ;
}
UHD_THROW_INVALID_CODE_PATH();
}
-static max2829_regs_t::rx_lpf_fine_adj_t bandwidth_to_rx_lpf_fine_reg(double &bandwidth, double requested_bandwidth){
- int reg = uhd::clip(boost::math::iround((requested_bandwidth/bandwidth)/0.05), 18, 22);
-
- switch(reg){
- case 18: // requested_bandwidth < 92.5%
- bandwidth = 0.9 * bandwidth;
- return max2829_regs_t::RX_LPF_FINE_ADJ_90;
- case 19: // 92.5% < requested_bandwidth < 97.5%
- bandwidth = 0.95 * bandwidth;
- return max2829_regs_t::RX_LPF_FINE_ADJ_95;
- case 20: // 97.5% < requested_bandwidth < 102.5%
- bandwidth = 1.0 * bandwidth;
- return max2829_regs_t::RX_LPF_FINE_ADJ_100;
- case 21: // 102.5% < requested_bandwidth < 107.5%
- bandwidth = 1.05 * bandwidth;
- return max2829_regs_t::RX_LPF_FINE_ADJ_105;
- case 22: // 107.5% < requested_bandwidth
- bandwidth = 1.1 * bandwidth;
- return max2829_regs_t::RX_LPF_FINE_ADJ_110;
+static max2829_regs_t::rx_lpf_fine_adj_t bandwidth_to_rx_lpf_fine_reg(
+ double& bandwidth, double requested_bandwidth)
+{
+ int reg =
+ uhd::clip(boost::math::iround((requested_bandwidth / bandwidth) / 0.05), 18, 22);
+
+ switch (reg) {
+ case 18: // requested_bandwidth < 92.5%
+ bandwidth = 0.9 * bandwidth;
+ return max2829_regs_t::RX_LPF_FINE_ADJ_90;
+ case 19: // 92.5% < requested_bandwidth < 97.5%
+ bandwidth = 0.95 * bandwidth;
+ return max2829_regs_t::RX_LPF_FINE_ADJ_95;
+ case 20: // 97.5% < requested_bandwidth < 102.5%
+ bandwidth = 1.0 * bandwidth;
+ return max2829_regs_t::RX_LPF_FINE_ADJ_100;
+ case 21: // 102.5% < requested_bandwidth < 107.5%
+ bandwidth = 1.05 * bandwidth;
+ return max2829_regs_t::RX_LPF_FINE_ADJ_105;
+ case 22: // 107.5% < requested_bandwidth
+ bandwidth = 1.1 * bandwidth;
+ return max2829_regs_t::RX_LPF_FINE_ADJ_110;
}
UHD_THROW_INVALID_CODE_PATH();
}
-static max2829_regs_t::rx_lpf_coarse_adj_t bandwidth_to_rx_lpf_coarse_reg(double &bandwidth){
- int reg = uhd::clip(boost::math::iround((bandwidth-7.0e6)/1.0e6), 0, 11);
-
- switch(reg){
- case 0: // bandwidth < 7.5MHz
- case 1: // 7.5MHz < bandwidth < 8.5MHz
- bandwidth = 7.5e6;
- return max2829_regs_t::RX_LPF_COARSE_ADJ_7_5MHZ;
- case 2: // 8.5MHz < bandwidth < 9.5MHz
- case 3: // 9.5MHz < bandwidth < 10.5MHz
- case 4: // 10.5MHz < bandwidth < 11.5MHz
- bandwidth = 9.5e6;
- return max2829_regs_t::RX_LPF_COARSE_ADJ_9_5MHZ;
- case 5: // 11.5MHz < bandwidth < 12.5MHz
- case 6: // 12.5MHz < bandwidth < 13.5MHz
- case 7: // 13.5MHz < bandwidth < 14.5MHz
- case 8: // 14.5MHz < bandwidth < 15.5MHz
- bandwidth = 14e6;
- return max2829_regs_t::RX_LPF_COARSE_ADJ_14MHZ;
- case 9: // 15.5MHz < bandwidth < 16.5MHz
- case 10: // 16.5MHz < bandwidth < 17.5MHz
- case 11: // 17.5MHz < bandwidth
- bandwidth = 18e6;
- return max2829_regs_t::RX_LPF_COARSE_ADJ_18MHZ;
+static max2829_regs_t::rx_lpf_coarse_adj_t bandwidth_to_rx_lpf_coarse_reg(
+ double& bandwidth)
+{
+ int reg = uhd::clip(boost::math::iround((bandwidth - 7.0e6) / 1.0e6), 0, 11);
+
+ switch (reg) {
+ case 0: // bandwidth < 7.5MHz
+ case 1: // 7.5MHz < bandwidth < 8.5MHz
+ bandwidth = 7.5e6;
+ return max2829_regs_t::RX_LPF_COARSE_ADJ_7_5MHZ;
+ case 2: // 8.5MHz < bandwidth < 9.5MHz
+ case 3: // 9.5MHz < bandwidth < 10.5MHz
+ case 4: // 10.5MHz < bandwidth < 11.5MHz
+ bandwidth = 9.5e6;
+ return max2829_regs_t::RX_LPF_COARSE_ADJ_9_5MHZ;
+ case 5: // 11.5MHz < bandwidth < 12.5MHz
+ case 6: // 12.5MHz < bandwidth < 13.5MHz
+ case 7: // 13.5MHz < bandwidth < 14.5MHz
+ case 8: // 14.5MHz < bandwidth < 15.5MHz
+ bandwidth = 14e6;
+ return max2829_regs_t::RX_LPF_COARSE_ADJ_14MHZ;
+ case 9: // 15.5MHz < bandwidth < 16.5MHz
+ case 10: // 16.5MHz < bandwidth < 17.5MHz
+ case 11: // 17.5MHz < bandwidth
+ bandwidth = 18e6;
+ return max2829_regs_t::RX_LPF_COARSE_ADJ_18MHZ;
}
UHD_THROW_INVALID_CODE_PATH();
}
-double xcvr2450::set_rx_bandwidth(double bandwidth){
+double xcvr2450::set_rx_bandwidth(double bandwidth)
+{
double requested_bandwidth = bandwidth;
- //convert complex bandpass to lowpass bandwidth
- bandwidth = bandwidth/2.0;
+ // convert complex bandpass to lowpass bandwidth
+ bandwidth = bandwidth / 2.0;
- //compute coarse low pass cutoff frequency setting
+ // compute coarse low pass cutoff frequency setting
_max2829_regs.rx_lpf_coarse_adj = bandwidth_to_rx_lpf_coarse_reg(bandwidth);
- //compute fine low pass cutoff frequency setting
- _max2829_regs.rx_lpf_fine_adj = bandwidth_to_rx_lpf_fine_reg(bandwidth, requested_bandwidth);
+ // compute fine low pass cutoff frequency setting
+ _max2829_regs.rx_lpf_fine_adj =
+ bandwidth_to_rx_lpf_fine_reg(bandwidth, requested_bandwidth);
- //shadow bandwidth setting
+ // shadow bandwidth setting
_rx_bandwidth = bandwidth;
- //update register
+ // update register
send_reg(0x7);
- UHD_LOGGER_TRACE("XCVR2450") << boost::format(
- "XCVR2450 RX Bandwidth (lp_fc): %f Hz, coarse reg: %d, fine reg: %d"
- ) % _rx_bandwidth % (int(_max2829_regs.rx_lpf_coarse_adj)) % (int(_max2829_regs.rx_lpf_fine_adj)) ;
+ UHD_LOGGER_TRACE("XCVR2450")
+ << boost::format(
+ "XCVR2450 RX Bandwidth (lp_fc): %f Hz, coarse reg: %d, fine reg: %d")
+ % _rx_bandwidth % (int(_max2829_regs.rx_lpf_coarse_adj))
+ % (int(_max2829_regs.rx_lpf_fine_adj));
- return 2.0*_rx_bandwidth;
+ return 2.0 * _rx_bandwidth;
}
-double xcvr2450::set_tx_bandwidth(double bandwidth){
- //convert complex bandpass to lowpass bandwidth
- bandwidth = bandwidth/2.0;
+double xcvr2450::set_tx_bandwidth(double bandwidth)
+{
+ // convert complex bandpass to lowpass bandwidth
+ bandwidth = bandwidth / 2.0;
- //compute coarse low pass cutoff frequency setting
+ // compute coarse low pass cutoff frequency setting
_max2829_regs.tx_lpf_coarse_adj = bandwidth_to_tx_lpf_coarse_reg(bandwidth);
- //shadow bandwidth setting
+ // shadow bandwidth setting
_tx_bandwidth = bandwidth;
- //update register
+ // update register
send_reg(0x7);
- UHD_LOGGER_TRACE("XCVR2450") << boost::format(
- "XCVR2450 TX Bandwidth (lp_fc): %f Hz, coarse reg: %d"
- ) % _tx_bandwidth % (int(_max2829_regs.tx_lpf_coarse_adj)) ;
+ UHD_LOGGER_TRACE("XCVR2450")
+ << boost::format("XCVR2450 TX Bandwidth (lp_fc): %f Hz, coarse reg: %d")
+ % _tx_bandwidth % (int(_max2829_regs.tx_lpf_coarse_adj));
- //convert lowpass back to complex bandpass bandwidth
- return 2.0*_tx_bandwidth;
+ // convert lowpass back to complex bandpass bandwidth
+ return 2.0 * _tx_bandwidth;
}