Revision fb1f8e1a host/lib/usrp/dsp_utils.cpp

b/host/lib/usrp/dsp_utils.cpp
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    return std::ceil(std::log(num)/std::log(T(2)));
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}
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/*!


  		





  
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 *     3                   2                   1                   0


  		





  
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 *   1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0


  		





  
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 *  +-------------------------------+-------+-------+-------+-------+


  		





  
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 *  |                                               | DDC0Q | DDC0I |


  		





  
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 *  +-------------------------------+-------+-------+-------+-------+


  		





  
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 */


  		





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boost::uint32_t dsp_type1::calc_rx_mux_word(subdev_conn_t subdev_conn){


  		





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    switch(subdev_conn){


  		





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    case SUBDEV_CONN_COMPLEX_IQ: return (0x1 << 2) | (0x0 << 0); //DDC0Q=ADC1, DDC0I=ADC0


  		





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    case SUBDEV_CONN_COMPLEX_QI: return (0x0 << 2) | (0x1 << 0); //DDC0Q=ADC0, DDC0I=ADC1


  		





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    case SUBDEV_CONN_REAL_I:     return (0x3 << 2) | (0x0 << 0); //DDC0Q=ZERO, DDC0I=ADC0


  		





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    case SUBDEV_CONN_REAL_Q:     return (0x1 << 2) | (0x3 << 0); //DDC0Q=ADC1, DDC0I=ZERO


  		





  
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    case SUBDEV_CONN_COMPLEX_IQ: return (0x1 << 4) | (0x0 << 0); //DDC0Q=ADC0Q, DDC0I=ADC0I


  		





  
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    case SUBDEV_CONN_COMPLEX_QI: return (0x0 << 4) | (0x1 << 0); //DDC0Q=ADC0I, DDC0I=ADC0Q


  		





  
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    case SUBDEV_CONN_REAL_I:     return (0xf << 4) | (0x0 << 0); //DDC0Q=ZERO,  DDC0I=ADC0I


  		





  
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    case SUBDEV_CONN_REAL_Q:     return (0x1 << 4) | (0xf << 0); //DDC0Q=ADC0Q, DDC0I=ZERO


  		





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    default:                     UHD_THROW_INVALID_CODE_PATH();


  		





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    }


  		





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}


  		





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/*!


  		





  
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 *     3                   2                   1                   0


  		





  
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 *   1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0


  		





  
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 *  +-------------------------------+-------+-------+-------+-------+


  		





  
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 *  |                                               | DAC0Q | DAC0I |


  		





  
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 *  +-------------------------------+-------+-------+-------+-------+


  		





  
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 */


  		





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boost::uint32_t dsp_type1::calc_tx_mux_word(subdev_conn_t subdev_conn){


  		





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    switch(subdev_conn){


  		





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    case SUBDEV_CONN_COMPLEX_IQ: return (0x1 << 4) | (0x0 << 0); //DAC1=DUC0Q, DAC0=DUC0I


  		





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    case SUBDEV_CONN_COMPLEX_QI: return (0x0 << 4) | (0x1 << 0); //DAC1=DUC0I, DAC0=DUC0Q


  		





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    case SUBDEV_CONN_REAL_I:     return (0xf << 4) | (0x0 << 0); //DAC1=ZERO,  DAC0=DUC0I


  		





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    case SUBDEV_CONN_REAL_Q:     return (0x0 << 4) | (0xf << 0); //DAC1=DUC0I, DAC0=ZERO


  		





  
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    case SUBDEV_CONN_COMPLEX_IQ: return (0x1 << 4) | (0x0 << 0); //DAC0Q=DUC0Q, DAC0I=DUC0I


  		





  
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    case SUBDEV_CONN_COMPLEX_QI: return (0x0 << 4) | (0x1 << 0); //DAC0Q=DUC0I, DAC0I=DUC0Q


  		





  
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    case SUBDEV_CONN_REAL_I:     return (0xf << 4) | (0x0 << 0); //DAC0Q=ZERO,  DAC0I=DUC0I


  		





  
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    case SUBDEV_CONN_REAL_Q:     return (0x0 << 4) | (0xf << 0); //DAC0Q=DUC0I, DAC0I=ZERO


  		





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    default:                     UHD_THROW_INVALID_CODE_PATH();


  		





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    }


  		





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}


  		












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