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29 lines
1.1 KiB
29 lines
1.1 KiB
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#include "AudioSettings_F32.h"
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#include "AudioStream_F32.h"
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float AudioSettings_F32::cpu_load_percent(const int n) {
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//n is the number of cycles
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// #define CYCLE_COUNTER_APPROX_PERCENT(n) (((n) + (F_CPU / 32 / AUDIO_SAMPLE_RATE * AUDIO_BLOCK_SAMPLES / 100)) / (F_CPU / 16 / AUDIO_SAMPLE_RATE * AUDIO_BLOCK_SAMPLES / 100)) removed per @jcj83429 21 Dec 20 defined double
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float foo1 = ((float)(F_CPU / 32))/sample_rate_Hz;
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foo1 *= ((float)audio_block_samples);
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foo1 /= 100.f;
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foo1 += (float)n;
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float foo2 = (float)(F_CPU / 16)/sample_rate_Hz;
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foo2 *= ((float)audio_block_samples);
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foo2 /= 100.f;
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return foo1 / foo2;
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//return (((n) + (F_CPU / 32 / sample_rate_Hz * audio_block_samples / 100)) / (F_CPU / 16 / sample_rate_Hz * audio_block_samples / 100));
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}
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float AudioSettings_F32::processorUsage(void) {
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return cpu_load_percent(AudioStream::cpu_cycles_total);
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};
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float AudioSettings_F32::processorUsageMax(void) {
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return cpu_load_percent(AudioStream::cpu_cycles_total_max);
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}
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void AudioSettings_F32::processorUsageMaxReset(void) {
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AudioStream::cpu_cycles_total_max = AudioStream::cpu_cycles_total;
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}
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