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Replace the flux decoder with a PLL-based one stolen from samdisk. It almost

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works.
This commit is contained in:
David Given
2021-11-25 00:00:51 +01:00
parent 28aff78469
commit 20ade1de7b
8 changed files with 117 additions and 47 deletions
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7
lib/decoders/decoders.proto
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@@ -18,16 +18,19 @@ import "arch/zilogmcz/zilogmcz.proto";
import "lib/fluxsink/fluxsink.proto";
import "lib/common.proto";
//NEXT: 27
message DecoderProto {
optional double pulse_debounce_threshold = 1 [default = 0.30,
(help) = "ignore pulses with intervals shorter than this, in fractions of a clock"];
optional double bit_error_threshold = 2 [default = 0.40,
(help) = "amount of error to tolerate in pulse timing, in fractions of a clock"];
optional double clock_interval_bias = 3 [default = -0.02,
(help) = "adjust intervals between pulses by this many clocks before decoding"];
optional double minimum_clock_us = 4 [default = 0.75,
(help) = "refuse to detect clocks shorter than this, to avoid false positives"];
optional double pll_adjust = 25 [default = 0.04];
optional double pll_phase = 26 [default = 0.60];
optional double flux_scale = 27 [default = 1.0];
oneof format {
IbmDecoderProto ibm = 5;
BrotherDecoderProto brother = 6;