Jake-B
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fdaa602401
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Very rough draft of DDS supporting the Arduio Zero and it's built-in DAC.
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2015-08-16 20:17:36 -04:00 |
Stephen Olesen
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7131e46ff0
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Allow refclkOffset to be set on the fly in DDS and the calibration tool.
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2015-07-04 18:31:18 -06:00 |
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Stephen Olesen
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4af33167a0
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Added Crystal Calibration sketch with simple Serial UI. Fixed ddsAccumulator_t type.
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2015-07-04 14:13:45 -06:00 |
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Stephen Olesen
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acc4aebe03
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Add calculators for frequency steps. Accumulator has a typedef now. Optimize tick.
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2015-07-03 15:23:39 -06:00 |
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Stephen Olesen
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77a8c62b78
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Correct Pin 3 output to scale to the reduced comparator size.
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2015-07-02 19:57:32 -06:00 |
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Stephen Olesen
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7db28bff0e
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Change DDS to using signed integers to try to keep our DC bias averaged out.
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2015-07-02 19:30:53 -06:00 |
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Stephen Olesen
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2152100873
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Change amplitude scaling. Go back to refclk for ICR1. Added phase changes.
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2015-07-02 18:04:12 -06:00 |
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Stephen Olesen
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80a1741575
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Preliminary addition of static memory allocations for packet buffers.
Fixed(?) DDS frequency calculation on-chip.
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2015-07-02 01:24:55 -06:00 |
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Stephen Olesen
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429e645ad2
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Example for AFSK sending (AX25 format) added. DDS updated to a slower clock rate again.
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2015-07-01 20:30:49 -06:00 |
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Stephen Olesen
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120442533d
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Added DDS sample. Fixed pin 11 PWM output, now default (3 works better).
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2015-07-01 17:56:40 -06:00 |
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Stephen Olesen
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016ad2398a
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Added a define to use pin 3 for PWM, instead of the new default pin 11.
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2015-07-01 15:01:55 -06:00 |
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Stephen Olesen
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8f2115adbc
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Add some comments.
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2015-07-01 14:54:22 -06:00 |
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Stephen Olesen
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2f4d17e4ed
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Fixed up the duration timers, clockTick needs a cleanup.
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2015-07-01 14:42:20 -06:00 |
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Stephen Olesen
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31eb465ebf
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Allow for high idle duty cycle when output is 'off', amplitude adjustments.
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2015-07-01 14:27:10 -06:00 |
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Stephen Olesen
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1117542411
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Created generic DDS class for tone generation, update AFSK to start the right timers.
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2015-07-01 14:04:20 -06:00 |