diff options
Diffstat (limited to 'host/lib/usrp/usrp_e100/codec_ctrl.cpp')
| -rw-r--r-- | host/lib/usrp/usrp_e100/codec_ctrl.cpp | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/host/lib/usrp/usrp_e100/codec_ctrl.cpp b/host/lib/usrp/usrp_e100/codec_ctrl.cpp index 18d9daca0..062c035a4 100644 --- a/host/lib/usrp/usrp_e100/codec_ctrl.cpp +++ b/host/lib/usrp/usrp_e100/codec_ctrl.cpp @@ -31,7 +31,7 @@ using namespace uhd; static const bool codec_debug = false; -const gain_range_t usrp_e100_codec_ctrl::tx_pga_gain_range(-20, 0, float(0.1)); +const gain_range_t usrp_e100_codec_ctrl::tx_pga_gain_range(-20, 0, double(0.1)); const gain_range_t usrp_e100_codec_ctrl::rx_pga_gain_range(0, 20, 1); /*********************************************************************** @@ -44,14 +44,14 @@ public: ~usrp_e100_codec_ctrl_impl(void); //aux adc and dac control - float read_aux_adc(aux_adc_t which); - void write_aux_dac(aux_dac_t which, float volts); + double read_aux_adc(aux_adc_t which); + void write_aux_dac(aux_dac_t which, double volts); //pga gain control - void set_tx_pga_gain(float); - float get_tx_pga_gain(void); - void set_rx_pga_gain(float, char); - float get_rx_pga_gain(char); + void set_tx_pga_gain(double); + double get_tx_pga_gain(void); + void set_rx_pga_gain(double, char); + double get_rx_pga_gain(char); private: usrp_e100_iface::sptr _iface; @@ -135,19 +135,19 @@ usrp_e100_codec_ctrl_impl::~usrp_e100_codec_ctrl_impl(void){ **********************************************************************/ static const int mtpgw = 255; //maximum tx pga gain word -void usrp_e100_codec_ctrl_impl::set_tx_pga_gain(float gain){ +void usrp_e100_codec_ctrl_impl::set_tx_pga_gain(double gain){ int gain_word = int(mtpgw*(gain - tx_pga_gain_range.start())/(tx_pga_gain_range.stop() - tx_pga_gain_range.start())); _ad9862_regs.tx_pga_gain = std::clip(gain_word, 0, mtpgw); this->send_reg(16); } -float usrp_e100_codec_ctrl_impl::get_tx_pga_gain(void){ +double usrp_e100_codec_ctrl_impl::get_tx_pga_gain(void){ return (_ad9862_regs.tx_pga_gain*(tx_pga_gain_range.stop() - tx_pga_gain_range.start())/mtpgw) + tx_pga_gain_range.start(); } static const int mrpgw = 0x14; //maximum rx pga gain word -void usrp_e100_codec_ctrl_impl::set_rx_pga_gain(float gain, char which){ +void usrp_e100_codec_ctrl_impl::set_rx_pga_gain(double gain, char which){ int gain_word = int(mrpgw*(gain - rx_pga_gain_range.start())/(rx_pga_gain_range.stop() - rx_pga_gain_range.start())); gain_word = std::clip(gain_word, 0, mrpgw); switch(which){ @@ -163,7 +163,7 @@ void usrp_e100_codec_ctrl_impl::set_rx_pga_gain(float gain, char which){ } } -float usrp_e100_codec_ctrl_impl::get_rx_pga_gain(char which){ +double usrp_e100_codec_ctrl_impl::get_rx_pga_gain(char which){ int gain_word; switch(which){ case 'A': gain_word = _ad9862_regs.rx_pga_a; break; @@ -176,11 +176,11 @@ float usrp_e100_codec_ctrl_impl::get_rx_pga_gain(char which){ /*********************************************************************** * Codec Control AUX ADC Methods **********************************************************************/ -static float aux_adc_to_volts(boost::uint8_t high, boost::uint8_t low){ - return float((boost::uint16_t(high) << 2) | low)*3.3/0x3ff; +static double aux_adc_to_volts(boost::uint8_t high, boost::uint8_t low){ + return double((boost::uint16_t(high) << 2) | low)*3.3/0x3ff; } -float usrp_e100_codec_ctrl_impl::read_aux_adc(aux_adc_t which){ +double usrp_e100_codec_ctrl_impl::read_aux_adc(aux_adc_t which){ //check to see if the switch needs to be set bool write_switch = false; switch(which){ @@ -233,7 +233,7 @@ float usrp_e100_codec_ctrl_impl::read_aux_adc(aux_adc_t which){ /*********************************************************************** * Codec Control AUX DAC Methods **********************************************************************/ -void usrp_e100_codec_ctrl_impl::write_aux_dac(aux_dac_t which, float volts){ +void usrp_e100_codec_ctrl_impl::write_aux_dac(aux_dac_t which, double volts){ //special case for aux dac d (aka sigma delta word) if (which == AUX_DAC_D){ boost::uint16_t dac_word = std::clip(boost::math::iround(volts*0xfff/3.3), 0, 0xfff); |