uhd: set hardware side delay offset for e100
The value is used to align transmit and receive time slots within a sample. This oscilloscope measured value is close, but may need minor tweaking. Signed-off-by: Thomas Tsou <ttsou@vt.edu>
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@ -36,6 +36,7 @@
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rx_smpl_offset - Timing correction in seconds between receive and
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rx_smpl_offset - Timing correction in seconds between receive and
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transmit timestamps. This value corrects for delays on
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transmit timestamps. This value corrects for delays on
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on the RF side of the timestamping point of the device.
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on the RF side of the timestamping point of the device.
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This value is generally empirically measured.
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smpl_buf_sz - The receive sample buffer size in bytes.
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smpl_buf_sz - The receive sample buffer size in bytes.
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*/
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*/
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@ -36,12 +36,13 @@
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rx_smpl_offset - Timing correction in seconds between receive and
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rx_smpl_offset - Timing correction in seconds between receive and
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transmit timestamps. This value corrects for delays on
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transmit timestamps. This value corrects for delays on
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on the RF side of the timestamping point of the device.
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on the RF side of the timestamping point of the device.
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This value is generally empirically measured.
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smpl_buf_sz - The receive sample buffer size in bytes.
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smpl_buf_sz - The receive sample buffer size in bytes.
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*/
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*/
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const bool use_ext_ref = false;
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const bool use_ext_ref = false;
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const double master_clk_rt = 52e6;
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const double master_clk_rt = 52e6;
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const double rx_smpl_offset = .00005;
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const double rx_smpl_offset = .0000869;
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const size_t smpl_buf_sz = (1 << 20);
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const size_t smpl_buf_sz = (1 << 20);
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/** Timestamp conversion
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/** Timestamp conversion
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