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| author | Philip Balister <philip@opensdr.com> | 2010-09-09 14:08:20 -0400 |
|---|---|---|
| committer | Philip Balister <philip@opensdr.com> | 2010-09-09 14:08:20 -0400 |
| commit | 262109bc461139448c816f92644a9f748798c4fc (patch) | |
| tree | b51367352945b08566ff8501d7ef4b91eb86e4d4 /host/lib/usrp/dsp_utils.cpp | |
| parent | d2d5be27b09faee1481a763ce25e7b95460a46c9 (diff) | |
| parent | 5058145dcc5cb681887773b8245cf89df58399f9 (diff) | |
| download | uhd-262109bc461139448c816f92644a9f748798c4fc.tar.gz uhd-262109bc461139448c816f92644a9f748798c4fc.tar.bz2 uhd-262109bc461139448c816f92644a9f748798c4fc.zip | |
Merge branch 'master' of ettus.sourcerepo.com:ettus/uhdpriv into usrp_e
Diffstat (limited to 'host/lib/usrp/dsp_utils.cpp')
| -rw-r--r-- | host/lib/usrp/dsp_utils.cpp | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/host/lib/usrp/dsp_utils.cpp b/host/lib/usrp/dsp_utils.cpp index fe1313af1..10ae9a086 100644 --- a/host/lib/usrp/dsp_utils.cpp +++ b/host/lib/usrp/dsp_utils.cpp @@ -30,22 +30,36 @@ template <class T> T ceil_log2(T num){ return std::ceil(std::log(num)/std::log(T(2))); } +/*! + * 3 2 1 0 + * 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 + * +-------------------------------+-------+-------+-------+-------+ + * | | DDC0Q | DDC0I | + * +-------------------------------+-------+-------+-------+-------+ + */ boost::uint32_t dsp_type1::calc_rx_mux_word(subdev_conn_t subdev_conn){ switch(subdev_conn){ - case SUBDEV_CONN_COMPLEX_IQ: return (0x1 << 2) | (0x0 << 0); //DDC0Q=ADC1, DDC0I=ADC0 - case SUBDEV_CONN_COMPLEX_QI: return (0x0 << 2) | (0x1 << 0); //DDC0Q=ADC0, DDC0I=ADC1 - case SUBDEV_CONN_REAL_I: return (0x3 << 2) | (0x0 << 0); //DDC0Q=ZERO, DDC0I=ADC0 - case SUBDEV_CONN_REAL_Q: return (0x1 << 2) | (0x3 << 0); //DDC0Q=ADC1, DDC0I=ZERO + case SUBDEV_CONN_COMPLEX_IQ: return (0x1 << 4) | (0x0 << 0); //DDC0Q=ADC0Q, DDC0I=ADC0I + case SUBDEV_CONN_COMPLEX_QI: return (0x0 << 4) | (0x1 << 0); //DDC0Q=ADC0I, DDC0I=ADC0Q + case SUBDEV_CONN_REAL_I: return (0xf << 4) | (0x0 << 0); //DDC0Q=ZERO, DDC0I=ADC0I + case SUBDEV_CONN_REAL_Q: return (0x1 << 4) | (0xf << 0); //DDC0Q=ADC0Q, DDC0I=ZERO default: UHD_THROW_INVALID_CODE_PATH(); } } +/*! + * 3 2 1 0 + * 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 + * +-------------------------------+-------+-------+-------+-------+ + * | | DAC0Q | DAC0I | + * +-------------------------------+-------+-------+-------+-------+ + */ boost::uint32_t dsp_type1::calc_tx_mux_word(subdev_conn_t subdev_conn){ switch(subdev_conn){ - case SUBDEV_CONN_COMPLEX_IQ: return (0x1 << 4) | (0x0 << 0); //DAC1=DUC0Q, DAC0=DUC0I - case SUBDEV_CONN_COMPLEX_QI: return (0x0 << 4) | (0x1 << 0); //DAC1=DUC0I, DAC0=DUC0Q - case SUBDEV_CONN_REAL_I: return (0xf << 4) | (0x0 << 0); //DAC1=ZERO, DAC0=DUC0I - case SUBDEV_CONN_REAL_Q: return (0x0 << 4) | (0xf << 0); //DAC1=DUC0I, DAC0=ZERO + case SUBDEV_CONN_COMPLEX_IQ: return (0x1 << 4) | (0x0 << 0); //DAC0Q=DUC0Q, DAC0I=DUC0I + case SUBDEV_CONN_COMPLEX_QI: return (0x0 << 4) | (0x1 << 0); //DAC0Q=DUC0I, DAC0I=DUC0Q + case SUBDEV_CONN_REAL_I: return (0xf << 4) | (0x0 << 0); //DAC0Q=ZERO, DAC0I=DUC0I + case SUBDEV_CONN_REAL_Q: return (0x0 << 4) | (0xf << 0); //DAC0Q=DUC0I, DAC0I=ZERO default: UHD_THROW_INVALID_CODE_PATH(); } } |