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path: root/host/lib/usrp/usrp2/codec_ctrl.cpp
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-rw-r--r--host/lib/usrp/usrp2/codec_ctrl.cpp308
1 files changed, 165 insertions, 143 deletions
diff --git a/host/lib/usrp/usrp2/codec_ctrl.cpp b/host/lib/usrp/usrp2/codec_ctrl.cpp
index 88f6007e8..6fe91da9e 100644
--- a/host/lib/usrp/usrp2/codec_ctrl.cpp
+++ b/host/lib/usrp/usrp2/codec_ctrl.cpp
@@ -9,173 +9,197 @@
#include "ad9777_regs.hpp"
#include "ads62p44_regs.hpp"
#include "usrp2_regs.hpp"
+#include <uhd/exception.hpp>
#include <uhd/utils/log.hpp>
#include <uhd/utils/safe_call.hpp>
-#include <uhd/exception.hpp>
#include <stdint.h>
using namespace uhd;
-usrp2_codec_ctrl::~usrp2_codec_ctrl(void){
+usrp2_codec_ctrl::~usrp2_codec_ctrl(void)
+{
/* NOP */
}
/*!
* A usrp2 codec control specific to the ad9777 ic.
*/
-class usrp2_codec_ctrl_impl : public usrp2_codec_ctrl{
+class usrp2_codec_ctrl_impl : public usrp2_codec_ctrl
+{
public:
- usrp2_codec_ctrl_impl(usrp2_iface::sptr iface, uhd::spi_iface::sptr spiface){
- _iface = iface;
+ usrp2_codec_ctrl_impl(usrp2_iface::sptr iface, uhd::spi_iface::sptr spiface)
+ {
+ _iface = iface;
_spiface = spiface;
- //setup the ad9777 dac
- _ad9777_regs.x_1r_2r_mode = ad9777_regs_t::X_1R_2R_MODE_1R;
+ // setup the ad9777 dac
+ _ad9777_regs.x_1r_2r_mode = ad9777_regs_t::X_1R_2R_MODE_1R;
_ad9777_regs.filter_interp_rate = ad9777_regs_t::FILTER_INTERP_RATE_4X;
- _ad9777_regs.mix_mode = ad9777_regs_t::MIX_MODE_COMPLEX;
- _ad9777_regs.pll_divide_ratio = ad9777_regs_t::PLL_DIVIDE_RATIO_DIV1;
- _ad9777_regs.pll_state = ad9777_regs_t::PLL_STATE_ON;
- _ad9777_regs.auto_cp_control = ad9777_regs_t::AUTO_CP_CONTROL_AUTO;
- //I dac values
- _ad9777_regs.idac_fine_gain_adjust = 0;
+ _ad9777_regs.mix_mode = ad9777_regs_t::MIX_MODE_COMPLEX;
+ _ad9777_regs.pll_divide_ratio = ad9777_regs_t::PLL_DIVIDE_RATIO_DIV1;
+ _ad9777_regs.pll_state = ad9777_regs_t::PLL_STATE_ON;
+ _ad9777_regs.auto_cp_control = ad9777_regs_t::AUTO_CP_CONTROL_AUTO;
+ // I dac values
+ _ad9777_regs.idac_fine_gain_adjust = 0;
_ad9777_regs.idac_coarse_gain_adjust = 0xf;
- _ad9777_regs.idac_offset_adjust_lsb = 0;
- _ad9777_regs.idac_offset_adjust_msb = 0;
- //Q dac values
- _ad9777_regs.qdac_fine_gain_adjust = 0;
+ _ad9777_regs.idac_offset_adjust_lsb = 0;
+ _ad9777_regs.idac_offset_adjust_msb = 0;
+ // Q dac values
+ _ad9777_regs.qdac_fine_gain_adjust = 0;
_ad9777_regs.qdac_coarse_gain_adjust = 0xf;
- _ad9777_regs.qdac_offset_adjust_lsb = 0;
- _ad9777_regs.qdac_offset_adjust_msb = 0;
- //write all regs
- for(uint8_t addr = 0; addr <= 0xC; addr++){
+ _ad9777_regs.qdac_offset_adjust_lsb = 0;
+ _ad9777_regs.qdac_offset_adjust_msb = 0;
+ // write all regs
+ for (uint8_t addr = 0; addr <= 0xC; addr++) {
this->send_ad9777_reg(addr);
}
set_tx_mod_mode(0);
- //power-up adc
- switch(_iface->get_rev()){
- case usrp2_iface::USRP2_REV3:
- case usrp2_iface::USRP2_REV4:
- _iface->poke32(U2_REG_MISC_CTRL_ADC, U2_FLAG_MISC_CTRL_ADC_ON);
- break;
-
- case usrp2_iface::USRP_N200:
- case usrp2_iface::USRP_N210:
- _ads62p44_regs.reset = 1;
- this->send_ads62p44_reg(0x00); //issue a reset to the ADC
- //everything else should be pretty much default, i think
- //_ads62p44_regs.decimation = DECIMATION_DECIMATE_1;
- _ads62p44_regs.power_down = ads62p44_regs_t::POWER_DOWN_NORMAL;
- this->send_ads62p44_reg(0x14);
- this->set_rx_analog_gain(1);
- break;
-
- case usrp2_iface::USRP_N200_R4:
- case usrp2_iface::USRP_N210_R4:
- _ads62p44_regs.reset = 1;
- this->send_ads62p44_reg(0x00); //issue a reset to the ADC
- //everything else should be pretty much default, i think
- //_ads62p44_regs.decimation = DECIMATION_DECIMATE_1;
- _ads62p44_regs.override = 1;
- this->send_ads62p44_reg(0x14);
- _ads62p44_regs.power_down = ads62p44_regs_t::POWER_DOWN_NORMAL;
- _ads62p44_regs.output_interface = ads62p44_regs_t::OUTPUT_INTERFACE_LVDS;
- _ads62p44_regs.lvds_current = ads62p44_regs_t::LVDS_CURRENT_2_5MA;
- _ads62p44_regs.lvds_data_term = ads62p44_regs_t::LVDS_DATA_TERM_100;
- this->send_ads62p44_reg(0x11);
- this->send_ads62p44_reg(0x12);
- this->send_ads62p44_reg(0x14);
- this->set_rx_analog_gain(1);
- break;
-
- case usrp2_iface::USRP_NXXX: break;
+ // power-up adc
+ switch (_iface->get_rev()) {
+ case usrp2_iface::USRP2_REV3:
+ case usrp2_iface::USRP2_REV4:
+ _iface->poke32(U2_REG_MISC_CTRL_ADC, U2_FLAG_MISC_CTRL_ADC_ON);
+ break;
+
+ case usrp2_iface::USRP_N200:
+ case usrp2_iface::USRP_N210:
+ _ads62p44_regs.reset = 1;
+ this->send_ads62p44_reg(0x00); // issue a reset to the ADC
+ // everything else should be pretty much default, i think
+ //_ads62p44_regs.decimation = DECIMATION_DECIMATE_1;
+ _ads62p44_regs.power_down = ads62p44_regs_t::POWER_DOWN_NORMAL;
+ this->send_ads62p44_reg(0x14);
+ this->set_rx_analog_gain(1);
+ break;
+
+ case usrp2_iface::USRP_N200_R4:
+ case usrp2_iface::USRP_N210_R4:
+ _ads62p44_regs.reset = 1;
+ this->send_ads62p44_reg(0x00); // issue a reset to the ADC
+ // everything else should be pretty much default, i think
+ //_ads62p44_regs.decimation = DECIMATION_DECIMATE_1;
+ _ads62p44_regs.override = 1;
+ this->send_ads62p44_reg(0x14);
+ _ads62p44_regs.power_down = ads62p44_regs_t::POWER_DOWN_NORMAL;
+ _ads62p44_regs.output_interface = ads62p44_regs_t::OUTPUT_INTERFACE_LVDS;
+ _ads62p44_regs.lvds_current = ads62p44_regs_t::LVDS_CURRENT_2_5MA;
+ _ads62p44_regs.lvds_data_term = ads62p44_regs_t::LVDS_DATA_TERM_100;
+ this->send_ads62p44_reg(0x11);
+ this->send_ads62p44_reg(0x12);
+ this->send_ads62p44_reg(0x14);
+ this->set_rx_analog_gain(1);
+ break;
+
+ case usrp2_iface::USRP_NXXX:
+ break;
}
}
- ~usrp2_codec_ctrl_impl(void){UHD_SAFE_CALL(
- //power-down dac
- _ad9777_regs.power_down_mode = 1;
- this->send_ad9777_reg(0);
-
- //power-down adc
- switch(_iface->get_rev()){
- case usrp2_iface::USRP2_REV3:
- case usrp2_iface::USRP2_REV4:
- _iface->poke32(U2_REG_MISC_CTRL_ADC, U2_FLAG_MISC_CTRL_ADC_OFF);
- break;
-
- case usrp2_iface::USRP_N200:
- case usrp2_iface::USRP_N210:
- case usrp2_iface::USRP_N200_R4:
- case usrp2_iface::USRP_N210_R4:
- //send a global power-down to the ADC here... it will get lifted on reset
- _ads62p44_regs.power_down = ads62p44_regs_t::POWER_DOWN_GLOBAL_PD;
- this->send_ads62p44_reg(0x14);
- break;
-
- case usrp2_iface::USRP_NXXX: break;
- }
- )}
-
- void set_tx_mod_mode(int mod_mode){
- //set the sign of the frequency shift
- _ad9777_regs.modulation_form = (mod_mode > 0)?
- ad9777_regs_t::MODULATION_FORM_E_PLUS_JWT:
- ad9777_regs_t::MODULATION_FORM_E_MINUS_JWT
- ;
-
- //set the frequency shift
- switch(std::abs(mod_mode)){
- case 0:
- case 1: _ad9777_regs.modulation_mode = ad9777_regs_t::MODULATION_MODE_NONE; break;
- case 2: _ad9777_regs.modulation_mode = ad9777_regs_t::MODULATION_MODE_FS_2; break;
- case 4: _ad9777_regs.modulation_mode = ad9777_regs_t::MODULATION_MODE_FS_4; break;
- case 8: _ad9777_regs.modulation_mode = ad9777_regs_t::MODULATION_MODE_FS_8; break;
- default: throw uhd::value_error("unknown modulation mode for ad9777");
+ ~usrp2_codec_ctrl_impl(void)
+ {
+ UHD_SAFE_CALL(
+ // power-down dac
+ _ad9777_regs.power_down_mode = 1; this->send_ad9777_reg(0);
+
+ // power-down adc
+ switch (_iface->get_rev()) {
+ case usrp2_iface::USRP2_REV3:
+ case usrp2_iface::USRP2_REV4:
+ _iface->poke32(U2_REG_MISC_CTRL_ADC, U2_FLAG_MISC_CTRL_ADC_OFF);
+ break;
+
+ case usrp2_iface::USRP_N200:
+ case usrp2_iface::USRP_N210:
+ case usrp2_iface::USRP_N200_R4:
+ case usrp2_iface::USRP_N210_R4:
+ // send a global power-down to the ADC here... it will get lifted on
+ // reset
+ _ads62p44_regs.power_down = ads62p44_regs_t::POWER_DOWN_GLOBAL_PD;
+ this->send_ads62p44_reg(0x14);
+ break;
+
+ case usrp2_iface::USRP_NXXX:
+ break;
+ })
+ }
+
+ void set_tx_mod_mode(int mod_mode)
+ {
+ // set the sign of the frequency shift
+ _ad9777_regs.modulation_form = (mod_mode > 0)
+ ? ad9777_regs_t::MODULATION_FORM_E_PLUS_JWT
+ : ad9777_regs_t::MODULATION_FORM_E_MINUS_JWT;
+
+ // set the frequency shift
+ switch (std::abs(mod_mode)) {
+ case 0:
+ case 1:
+ _ad9777_regs.modulation_mode = ad9777_regs_t::MODULATION_MODE_NONE;
+ break;
+ case 2:
+ _ad9777_regs.modulation_mode = ad9777_regs_t::MODULATION_MODE_FS_2;
+ break;
+ case 4:
+ _ad9777_regs.modulation_mode = ad9777_regs_t::MODULATION_MODE_FS_4;
+ break;
+ case 8:
+ _ad9777_regs.modulation_mode = ad9777_regs_t::MODULATION_MODE_FS_8;
+ break;
+ default:
+ throw uhd::value_error("unknown modulation mode for ad9777");
}
- this->send_ad9777_reg(0x01); //set the register
+ this->send_ad9777_reg(0x01); // set the register
}
- void set_rx_digital_gain(double gain) { //fine digital gain
- switch(_iface->get_rev()){
- case usrp2_iface::USRP_N200:
- case usrp2_iface::USRP_N210:
- case usrp2_iface::USRP_N200_R4:
- case usrp2_iface::USRP_N210_R4:
- _ads62p44_regs.fine_gain = int(gain/0.5);
- this->send_ads62p44_reg(0x17);
- break;
-
- default: UHD_THROW_INVALID_CODE_PATH();
+ void set_rx_digital_gain(double gain)
+ { // fine digital gain
+ switch (_iface->get_rev()) {
+ case usrp2_iface::USRP_N200:
+ case usrp2_iface::USRP_N210:
+ case usrp2_iface::USRP_N200_R4:
+ case usrp2_iface::USRP_N210_R4:
+ _ads62p44_regs.fine_gain = int(gain / 0.5);
+ this->send_ads62p44_reg(0x17);
+ break;
+
+ default:
+ UHD_THROW_INVALID_CODE_PATH();
}
}
- void set_rx_digital_fine_gain(double gain) { //gain correction
- switch(_iface->get_rev()){
- case usrp2_iface::USRP_N200:
- case usrp2_iface::USRP_N210:
- case usrp2_iface::USRP_N200_R4:
- case usrp2_iface::USRP_N210_R4:
- _ads62p44_regs.gain_correction = int(gain / 0.05);
- this->send_ads62p44_reg(0x1A);
- break;
-
- default: UHD_THROW_INVALID_CODE_PATH();
+ void set_rx_digital_fine_gain(double gain)
+ { // gain correction
+ switch (_iface->get_rev()) {
+ case usrp2_iface::USRP_N200:
+ case usrp2_iface::USRP_N210:
+ case usrp2_iface::USRP_N200_R4:
+ case usrp2_iface::USRP_N210_R4:
+ _ads62p44_regs.gain_correction = int(gain / 0.05);
+ this->send_ads62p44_reg(0x1A);
+ break;
+
+ default:
+ UHD_THROW_INVALID_CODE_PATH();
}
}
- void set_rx_analog_gain(bool /*gain*/) { //turns on/off analog 3.5dB preamp
- switch(_iface->get_rev()){
- case usrp2_iface::USRP_N200:
- case usrp2_iface::USRP_N210:
- case usrp2_iface::USRP_N200_R4:
- case usrp2_iface::USRP_N210_R4:
- _ads62p44_regs.coarse_gain = ads62p44_regs_t::COARSE_GAIN_3_5DB;//gain ? ads62p44_regs_t::COARSE_GAIN_3_5DB : ads62p44_regs_t::COARSE_GAIN_0DB;
- this->send_ads62p44_reg(0x14);
- break;
-
- default: UHD_THROW_INVALID_CODE_PATH();
+ void set_rx_analog_gain(bool /*gain*/)
+ { // turns on/off analog 3.5dB preamp
+ switch (_iface->get_rev()) {
+ case usrp2_iface::USRP_N200:
+ case usrp2_iface::USRP_N210:
+ case usrp2_iface::USRP_N200_R4:
+ case usrp2_iface::USRP_N210_R4:
+ _ads62p44_regs.coarse_gain = ads62p44_regs_t::
+ COARSE_GAIN_3_5DB; // gain ? ads62p44_regs_t::COARSE_GAIN_3_5DB :
+ // ads62p44_regs_t::COARSE_GAIN_0DB;
+ this->send_ads62p44_reg(0x14);
+ break;
+
+ default:
+ UHD_THROW_INVALID_CODE_PATH();
}
}
@@ -190,27 +214,25 @@ private:
usrp2_iface::sptr _iface;
uhd::spi_iface::sptr _spiface;
- void send_ad9777_reg(uint8_t addr){
+ void send_ad9777_reg(uint8_t addr)
+ {
uint16_t reg = _ad9777_regs.get_write_reg(addr);
UHD_LOG_TRACE("USRP2", "send_ad9777_reg: 0x" << std::hex << reg);
- _spiface->write_spi(
- SPI_SS_AD9777, spi_config_t::EDGE_RISE,
- reg, 16
- );
+ _spiface->write_spi(SPI_SS_AD9777, spi_config_t::EDGE_RISE, reg, 16);
}
- void send_ads62p44_reg(uint8_t addr) {
+ void send_ads62p44_reg(uint8_t addr)
+ {
uint16_t reg = _ads62p44_regs.get_write_reg(addr);
- _spiface->write_spi(
- SPI_SS_ADS62P44, spi_config_t::EDGE_FALL,
- reg, 16
- );
+ _spiface->write_spi(SPI_SS_ADS62P44, spi_config_t::EDGE_FALL, reg, 16);
}
};
/***********************************************************************
* Public make function for the usrp2 codec control
**********************************************************************/
-usrp2_codec_ctrl::sptr usrp2_codec_ctrl::make(usrp2_iface::sptr iface, uhd::spi_iface::sptr spiface){
+usrp2_codec_ctrl::sptr usrp2_codec_ctrl::make(
+ usrp2_iface::sptr iface, uhd::spi_iface::sptr spiface)
+{
return sptr(new usrp2_codec_ctrl_impl(iface, spiface));
}