28 lines
704 B
C++
28 lines
704 B
C++
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#include "oscilloscope.hpp"
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// if you use the oscilloscope feature you can bump up this value
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#define OSCILLOSCOPE_SIZE 4096
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void Oscilloscope::update() {
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float trigger_data = trigger_src_ ? *trigger_src_ : 0.0f;
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float trigger_threshold = trigger_threshold_;
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float sample_data = data_src_ ? **data_src_ : 0.0f;
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if (trigger_data < trigger_threshold) {
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ready_ = true;
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}
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if (ready_ && trigger_data >= trigger_threshold) {
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capturing_ = true;
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ready_ = false;
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}
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if (capturing_) {
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if (pos_ < OSCILLOSCOPE_SIZE) {
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data_[pos_++] = sample_data;
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} else {
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pos_ = 0;
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capturing_ = false;
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}
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}
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}
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