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* siggen: Fix direction of rotationWade Fife2021-10-271-10/+16
| | | | | | | | | The I and Q were swapped in sine_tone, which caused confusion and made the rotation of REG_CARTESIAN clockwise by default. This effectively made the resulting frequency negative. This PR makes the I and Q order consistent with RFNoC and fixes the direction of rotation so that a positive value for REG_PHASE_INC (phase increment) results in a counter-clockwise rotation, which yields a positive frequency.
* fpga: rfnoc: Add Signal Generator RFNoC blockWade Fife2020-07-301-0/+159