Revision eeb72416
| b/host/lib/usrp/usrp1/codec_ctrl.cpp | ||
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/*********************************************************************** |
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* Codec Control Gain Control Methods |
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**********************************************************************/ |
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void usrp1_codec_ctrl_impl::set_tx_pga_gain(float gain) |
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{
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int gain_word = int(255*(gain - tx_pga_gain_range.min)/(tx_pga_gain_range.max - tx_pga_gain_range.min)); |
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_ad9862_regs.tx_pga_gain = std::clip(gain_word, 0, 255); |
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static const int mtpgw = 255; //maximum tx pga gain word |
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void usrp1_codec_ctrl_impl::set_tx_pga_gain(float gain){
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int gain_word = int(mtpgw*(gain - tx_pga_gain_range.min)/(tx_pga_gain_range.max - tx_pga_gain_range.min)); |
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_ad9862_regs.tx_pga_gain = std::clip(gain_word, 0, mtpgw); |
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this->send_reg(16); |
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} |
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float usrp1_codec_ctrl_impl::get_tx_pga_gain(void) |
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{
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return (_ad9862_regs.tx_pga_gain*(tx_pga_gain_range.max - tx_pga_gain_range.min)/63) + tx_pga_gain_range.min; |
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float usrp1_codec_ctrl_impl::get_tx_pga_gain(void){
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return (_ad9862_regs.tx_pga_gain*(tx_pga_gain_range.max - tx_pga_gain_range.min)/mtpgw) + tx_pga_gain_range.min; |
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} |
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void usrp1_codec_ctrl_impl::set_rx_pga_gain(float gain, char which) |
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{
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int gain_word = int(0x14*(gain - rx_pga_gain_range.min)/(rx_pga_gain_range.max - rx_pga_gain_range.min)); |
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gain_word = std::clip(gain_word, 0, 0x14); |
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static const int mrpgw = 0x14; //maximum rx pga gain word |
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void usrp1_codec_ctrl_impl::set_rx_pga_gain(float gain, char which){
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int gain_word = int(mrpgw*(gain - rx_pga_gain_range.min)/(rx_pga_gain_range.max - rx_pga_gain_range.min)); |
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gain_word = std::clip(gain_word, 0, mrpgw); |
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switch(which){
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case 'A': |
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_ad9862_regs.rx_pga_a = gain_word; |
| ... | ... | |
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} |
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} |
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float usrp1_codec_ctrl_impl::get_rx_pga_gain(char which) |
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{
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float usrp1_codec_ctrl_impl::get_rx_pga_gain(char which){
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int gain_word; |
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switch(which){
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case 'A': gain_word = _ad9862_regs.rx_pga_a; break; |
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case 'B': gain_word = _ad9862_regs.rx_pga_b; break; |
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default: UHD_THROW_INVALID_CODE_PATH(); |
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} |
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return (gain_word*(rx_pga_gain_range.max - rx_pga_gain_range.min)/0x14) + rx_pga_gain_range.min;
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return (gain_word*(rx_pga_gain_range.max - rx_pga_gain_range.min)/mrpgw) + rx_pga_gain_range.min;
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} |
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/*********************************************************************** |
Also available in: Unified diff