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AR: use more accurate timer for benchmarking

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use  esp_timer_get_time() because it is more accurate. Actually I don't trust millis() so much ;-)
This commit is contained in:
Frank 2022-07-04 13:58:25 +02:00
parent 03dba4d7d0
commit bfbff723ac
1 changed files with 18 additions and 4 deletions
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22
usermods/audioreactive/audio_reactive.h
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@ -7,6 +7,10 @@
#error This audio reactive usermod does not support the ESP8266.
#endif
#ifdef WLED_DEBUG
#include <esp_timer.h>
#endif
/*
* Usermods allow you to add own functionality to WLED more easily
* See: https://github.com/Aircoookie/WLED/wiki/Add-own-functionality
@ -31,7 +35,8 @@
constexpr i2s_port_t I2S_PORT = I2S_NUM_0;
constexpr int BLOCK_SIZE = 128;
constexpr int SAMPLE_RATE = 20480; // Base sample rate in Hz
constexpr int SAMPLE_RATE = 20480; // Base sample rate in Hz - 20Khz is experimental
//constexpr int SAMPLE_RATE = 10240; // Base sample rate in Hz - standard
// #define MIC_LOGGER
// #define MIC_SAMPLING_LOG
@ -136,13 +141,18 @@ void FFTcode(void * parameter)
if (audioSyncEnabled & 0x02) continue;
#ifdef WLED_DEBUG
unsigned long start = millis();
// unsigned long start = millis();
uint64_t start = esp_timer_get_time();
#endif
if (audioSource) audioSource->getSamples(vReal, samplesFFT);
#ifdef WLED_DEBUG
sampleTime = ((millis() - start)*3 + sampleTime*7)/10; // smooth
//sampleTime = ((millis() - start)*3 + sampleTime*7)/10; // smooth
if (start < esp_timer_get_time()) { // filter out overflows
unsigned long sampleTimeInMillis = (esp_timer_get_time() - start +500ULL) / 1000ULL; // "+500" to ensure proper rounding
sampleTime = (sampleTimeInMillis*3 + sampleTime*7)/10; // smooth
}
#endif
// old code - Last sample in vReal is our current mic sample
@ -297,7 +307,11 @@ void FFTcode(void * parameter)
micDataReal = maxSample2;
#ifdef WLED_DEBUG
fftTime = ((millis() - start)*3 + fftTime*7)/10;
//fftTime = ((millis() - start)*3 + fftTime*7)/10;
if (start < esp_timer_get_time()) { // filter out overflows
unsigned long fftTimeInMillis = ((esp_timer_get_time() - start) +500ULL) / 1000ULL; // "+500" to ensure proper rounding
fftTime = (fftTimeInMillis*3 + fftTime*7)/10; // smooth
}
#endif
#ifdef SR_DEBUG