Var fixes.
This commit is contained in:
parent
184ff7a3b3
commit
a6746f77f0
@ -2,7 +2,6 @@
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#include "wled.h"
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#include <driver/i2s.h>
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#include "audio_source.h"
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#ifndef ESP32
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#error This audio reactive usermod does not support the ESP8266.
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@ -28,6 +27,8 @@
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#define DEBUGSR_PRINTF(x...)
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#endif
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#include "audio_source.h"
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constexpr i2s_port_t I2S_PORT = I2S_NUM_0;
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constexpr int BLOCK_SIZE = 128;
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constexpr int SAMPLE_RATE = 10240; // Base sample rate in Hz
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@ -38,6 +39,10 @@ constexpr int SAMPLE_RATE = 10240; // Base sample rate in Hz
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//#define MAJORPEAK_SUPPRESS_NOISE // define to activate a dirty hack that ignores the lowest + hightest FFT bins
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byte audioSyncEnabled = 0;
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uint16_t audioSyncPort = 11988;
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uint8_t inputLevel; // UI slider value
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//
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// AGC presets
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// Note: in C++, "const" implies "static" - no need to explicitly declare everything as "static const"
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@ -92,41 +97,46 @@ const uint16_t samples = 512; // This value MUST ALWAYS be a p
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static AudioSource *audioSource;
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byte soundSquelch = 10; // default squelch value for volume reactive routines
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byte sampleGain = 1; // default sample gain
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uint16_t micData; // Analog input for FFT
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uint16_t micDataSm; // Smoothed mic data, as it's a bit twitchy
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static byte soundSquelch = 10; // default squelch value for volume reactive routines
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static byte sampleGain = 1; // default sample gain
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static uint16_t micData; // Analog input for FFT
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static uint16_t micDataSm; // Smoothed mic data, as it's a bit twitchy
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static float micDataReal = 0.0f; // future support - this one has the full 24bit MicIn data - lowest 8bit after decimal point
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static byte soundAgc = 0; // default Automagic gain control
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static float multAgc = 1.0f; // sample * multAgc = sampleAgc. Our multiplier
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static uint16_t noiseFloor = 100; // default squelch value for FFT reactive routines
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double FFT_MajorPeak = 0;
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double FFT_Magnitude = 0;
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//uint16_t mAvg = 0;
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static double FFT_MajorPeak = 0;
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static double FFT_Magnitude = 0;
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//static uint16_t mAvg = 0;
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// These are the input and output vectors. Input vectors receive computed results from FFT.
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static double vReal[samplesFFT];
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static double vImag[samplesFFT];
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float fftBin[samplesFFT];
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static float fftBin[samplesFFT];
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// Try and normalize fftBin values to a max of 4096, so that 4096/16 = 256.
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// Oh, and bins 0,1,2 are no good, so we'll zero them out.
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float fftCalc[16];
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uint8_t fftResult[16]; // Our calculated result table, which we feed to the animations.
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//float fftResultMax[16]; // A table used for testing to determine how our post-processing is working.
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float fftAvg[16];
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static float fftCalc[16];
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static uint8_t fftResult[16]; // Our calculated result table, which we feed to the animations.
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#ifdef SR_DEBUG
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static float fftResultMax[16]; // A table used for testing to determine how our post-processing is working.
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#endif
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static float fftAvg[16];
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// Table of linearNoise results to be multiplied by soundSquelch in order to reduce squelch across fftResult bins.
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uint16_t linearNoise[16] = { 34, 28, 26, 25, 20, 12, 9, 6, 4, 4, 3, 2, 2, 2, 2, 2 };
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static uint16_t linearNoise[16] = { 34, 28, 26, 25, 20, 12, 9, 6, 4, 4, 3, 2, 2, 2, 2, 2 };
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// Table of multiplication factors so that we can even out the frequency response.
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float fftResultPink[16] = { 1.70f, 1.71f, 1.73f, 1.78f, 1.68f, 1.56f, 1.55f, 1.63f, 1.79f, 1.62f, 1.80f, 2.06f, 2.47f, 3.35f, 6.83f, 9.55f };
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static float fftResultPink[16] = { 1.70f, 1.71f, 1.73f, 1.78f, 1.68f, 1.56f, 1.55f, 1.63f, 1.79f, 1.62f, 1.80f, 2.06f, 2.47f, 3.35f, 6.83f, 9.55f };
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// Create FFT object
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arduinoFFT FFT = arduinoFFT(vReal, vImag, samples, SAMPLE_RATE);
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static arduinoFFT FFT = arduinoFFT(vReal, vImag, samples, SAMPLE_RATE);
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float fftAdd(int from, int to) {
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int i = from;
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float result = 0;
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while (i <= to) {
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result += fftBin[i++];
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float result = 0.0f;
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for (int i = from; i <= to; i++) {
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result += fftBin[i];
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}
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return result;
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}
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@ -146,6 +156,7 @@ void FFTcode(void * parameter) {
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// Only run the FFT computing code if we're not in Receive mode
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if (audioSyncEnabled & (1 << 1))
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continue;
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audioSource->getSamples(vReal, samplesFFT);
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// old code - Last sample in vReal is our current mic sample
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@ -249,10 +260,8 @@ void FFTcode(void * parameter) {
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#endif
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for (int i = 0; i < samplesFFT; i++) { // Values for bins 0 and 1 are WAY too large. Might as well start at 3.
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double t = 0.0;
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t = fabs(vReal[i]); // just to be sure - values in fft bins should be positive any way
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t = t / 16.0; // Reduce magnitude. Want end result to be linear and ~4096 max.
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fftBin[i] = t;
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float t = fabs(vReal[i]); // just to be sure - values in fft bins should be positive any way
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fftBin[i] = t / 16.0; // Reduce magnitude. Want end result to be linear and ~4096 max.
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} // for()
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@ -286,12 +295,12 @@ void FFTcode(void * parameter) {
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// Noise supression of fftCalc bins using soundSquelch adjustment for different input types.
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for (int i=0; i < 16; i++) {
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fftCalc[i] = fftCalc[i]-(float)soundSquelch*(float)linearNoise[i]/4.0 <= 0? 0 : fftCalc[i];
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fftCalc[i] -= (float)soundSquelch*(float)linearNoise[i]/4.0 <= 0? 0 : fftCalc[i];
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}
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// Adjustment for frequency curves.
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for (int i=0; i < 16; i++) {
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fftCalc[i] = fftCalc[i] * fftResultPink[i];
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fftCalc[i] *= fftResultPink[i];
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}
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// Manual linear adjustment of gain using sampleGain adjustment for different input types.
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@ -325,8 +334,93 @@ void FFTcode(void * parameter) {
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} // FFTcode()
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void logAudio() {
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#ifdef MIC_LOGGER
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//class name. Use something descriptive and leave the ": public Usermod" part :)
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class AudioReactive : public Usermod {
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private:
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#ifndef AUDIOPIN
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int8_t audioPin = 36;
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#else
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int8_t audioPin = AUDIOPIN;
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#endif
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#ifndef DMENABLED // aka DOUT
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uint8_t dmType = 0;
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#else
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uint8_t dmType = DMENABLED;
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#endif
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#ifndef I2S_SDPIN // aka DOUT
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int8_t i2ssdPin = 32;
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#else
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int8_t i2ssdPin = I2S_SDPIN;
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#endif
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#ifndef I2S_WSPIN // aka LRCL
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int8_t i2swsPin = 15;
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#else
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int8_t i2swsPin = I2S_WSPIN;
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#endif
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#ifndef I2S_CKPIN // aka BCLK
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int8_t i2sckPin = 14;
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#else
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int8_t i2sckPin = I2S_CKPIN;
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#endif
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WiFiUDP fftUdp;
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struct audioSyncPacket {
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char header[6] = UDP_SYNC_HEADER;
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uint8_t myVals[32]; // 32 Bytes
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int sampleAgc; // 04 Bytes
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int sample; // 04 Bytes
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float sampleAvg; // 04 Bytes
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bool samplePeak; // 01 Bytes
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uint8_t fftResult[16]; // 16 Bytes
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double FFT_Magnitude; // 08 Bytes
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double FFT_MajorPeak; // 08 Bytes
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};
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// set your config variables to their boot default value (this can also be done in readFromConfig() or a constructor if you prefer)
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#define UDP_SYNC_HEADER "00001"
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uint8_t maxVol = 10; // Reasonable value for constant volume for 'peak detector', as it won't always trigger
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uint8_t binNum; // Used to select the bin for FFT based beat detection.
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uint8_t targetAgc = 60; // This is our setPoint at 20% of max for the adjusted output
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uint8_t myVals[32]; // Used to store a pile of samples because WLED frame rate and WLED sample rate are not synchronized. Frame rate is too low.
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bool samplePeak = 0; // Boolean flag for peak. Responding routine must reset this flag
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bool udpSamplePeak = 0; // Boolean flag for peak. Set at the same tiem as samplePeak, but reset by transmitAudioData
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int delayMs = 10; // I don't want to sample too often and overload WLED
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int micIn = 0; // Current sample starts with negative values and large values, which is why it's 16 bit signed
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int sample; // Current sample. Must only be updated ONCE!!!
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float sampleMax = 0.f; // Max sample over a few seconds. Needed for AGC controler.
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float sampleReal = 0.f; // "sample" as float, to provide bits that are lost otherwise. Needed for AGC.
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float tmpSample; // An interim sample variable used for calculatioins.
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float sampleAdj; // Gain adjusted sample value
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float sampleAgc = 0.f; // Our AGC sample
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int rawSampleAgc = 0; // Our AGC sample - raw
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long timeOfPeak = 0;
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long lastTime = 0;
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float micLev = 0.f; // Used to convert returned value to have '0' as minimum. A leveller
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float sampleAvg = 0.f; // Smoothed Average
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float beat = 0.f; // beat Detection
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float expAdjF; // Used for exponential filter.
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float weighting = 0.2; // Exponential filter weighting. Will be adjustable in a future release.
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// strings to reduce flash memory usage (used more than twice)
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static const char _name[];
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double mapf(double x, double in_min, double in_max, double out_min, double out_max);
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bool isValidUdpSyncVersion(char header[6]) {
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if (strncmp(header, UDP_SYNC_HEADER, 6) == 0) {
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return true;
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} else {
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return false;
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}
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}
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void logAudio() {
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#ifdef MIC_LOGGER
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//Serial.print("micData:"); Serial.print(micData); Serial.print("\t");
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//Serial.print("micDataSm:"); Serial.print(micDataSm); Serial.print("\t");
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//Serial.print("micIn:"); Serial.print(micIn); Serial.print("\t");
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@ -338,9 +432,9 @@ void logAudio() {
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Serial.print("multAgc:"); Serial.print(multAgc, 4); Serial.print("\t");
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Serial.print("sampleAgc:"); Serial.print(sampleAgc); Serial.print("\t");
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Serial.println(" ");
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#endif
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#endif
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#ifdef MIC_SAMPLING_LOG
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#ifdef MIC_SAMPLING_LOG
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//------------ Oscilloscope output ---------------------------
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Serial.print(targetAgc); Serial.print(" ");
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Serial.print(multAgc); Serial.print(" ");
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@ -354,9 +448,9 @@ void logAudio() {
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Serial.print(100); Serial.print(" ");
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Serial.print(0); Serial.print(" ");
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Serial.println(" ");
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#endif
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#endif
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#ifdef FFT_SAMPLING_LOG
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#ifdef FFT_SAMPLING_LOG
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#if 0
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for(int i=0; i<16; i++) {
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Serial.print(fftResult[i]);
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@ -403,101 +497,8 @@ void logAudio() {
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else
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Serial.printf("max:%04d ", 256);
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Serial.println();
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#endif // FFT_SAMPLING_LOG
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} // logAudio()
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//class name. Use something descriptive and leave the ": public Usermod" part :)
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class AudioReactive : public Usermod {
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private:
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#ifndef AUDIOPIN
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int8_t audioPin = 36;
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#else
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int8_t audioPin = AUDIOPIN;
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#endif
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#ifndef DMENABLED // aka DOUT
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uint8_t dmType = 0;
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#else
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uint8_t dmType = DMENABLED;
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#endif
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#ifndef I2S_SDPIN // aka DOUT
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int8_t i2ssdPin = 32;
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#else
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int8_t i2ssdPin = I2S_SDPIN;
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#endif
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#ifndef I2S_WSPIN // aka LRCL
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int8_t i2swsPin = 15;
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#else
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int8_t i2swsPin = I2S_WSPIN;
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#endif
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#ifndef I2S_CKPIN // aka BCLK
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int8_t i2sckPin = 14;
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#else
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int8_t i2sckPin = I2S_CKPIN;
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#endif
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//byte soundAgc = 0; // default Automagic gain control
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//uint16_t noiseFloor = 100; // default squelch value for FFT reactive routines
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WiFiUDP fftUdp;
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byte audioSyncEnabled = 0;
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uint16_t audioSyncPort = 11988;
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struct audioSyncPacket {
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char header[6] = UDP_SYNC_HEADER;
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uint8_t myVals[32]; // 32 Bytes
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int sampleAgc; // 04 Bytes
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int sample; // 04 Bytes
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float sampleAvg; // 04 Bytes
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bool samplePeak; // 01 Bytes
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uint8_t fftResult[16]; // 16 Bytes
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double FFT_Magnitude; // 08 Bytes
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double FFT_MajorPeak; // 08 Bytes
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};
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// set your config variables to their boot default value (this can also be done in readFromConfig() or a constructor if you prefer)
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#define UDP_SYNC_HEADER "00001"
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uint8_t maxVol = 10; // Reasonable value for constant volume for 'peak detector', as it won't always trigger
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uint8_t binNum; // Used to select the bin for FFT based beat detection.
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uint8_t targetAgc = 60; // This is our setPoint at 20% of max for the adjusted output
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uint8_t myVals[32]; // Used to store a pile of samples because WLED frame rate and WLED sample rate are not synchronized. Frame rate is too low.
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bool samplePeak = 0; // Boolean flag for peak. Responding routine must reset this flag
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bool udpSamplePeak = 0; // Boolean flag for peak. Set at the same tiem as samplePeak, but reset by transmitAudioData
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int delayMs = 10; // I don't want to sample too often and overload WLED
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int micIn = 0; // Current sample starts with negative values and large values, which is why it's 16 bit signed
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int sample; // Current sample. Must only be updated ONCE!!!
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float sampleMax = 0.f; // Max sample over a few seconds. Needed for AGC controler.
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float sampleReal = 0.f; // "sample" as float, to provide bits that are lost otherwise. Needed for AGC.
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float tmpSample; // An interim sample variable used for calculatioins.
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float sampleAdj; // Gain adjusted sample value
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float sampleAgc = 0.f; // Our AGC sample
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int rawSampleAgc = 0; // Our AGC sample - raw
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long timeOfPeak = 0;
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long lastTime = 0;
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float micDataReal = 0.0; // future support - this one has the full 24bit MicIn data - lowest 8bit after decimal point
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float micLev = 0.f; // Used to convert returned value to have '0' as minimum. A leveller
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float multAgc = 1.0f; // sample * multAgc = sampleAgc. Our multiplier
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float sampleAvg = 0.f; // Smoothed Average
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float beat = 0.f; // beat Detection
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float expAdjF; // Used for exponential filter.
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float weighting = 0.2; // Exponential filter weighting. Will be adjustable in a future release.
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// strings to reduce flash memory usage (used more than twice)
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static const char _name[];
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double mapf(double x, double in_min, double in_max, double out_min, double out_max);
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bool isValidUdpSyncVersion(char header[6]) {
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if (strncmp(header, UDP_SYNC_HEADER, 6) == 0) {
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return true;
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} else {
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return false;
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}
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}
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#endif // FFT_SAMPLING_LOG
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} // logAudio()
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/*
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* A "PI control" multiplier to automatically adjust sound sensitivity.
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@ -135,13 +135,13 @@ public:
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esp_err_t err = i2s_driver_install(I2S_NUM_0, &_config, 0, nullptr);
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if (err != ESP_OK) {
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Serial.printf("Failed to install i2s driver: %d\n", err);
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DEBUGSR_PRINTF("Failed to install i2s driver: %d\n", err);
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return;
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}
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err = i2s_set_pin(I2S_NUM_0, &_pinConfig);
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if (err != ESP_OK) {
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Serial.printf("Failed to set i2s pin config: %d\n", err);
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DEBUGSR_PRINTF("Failed to set i2s pin config: %d\n", err);
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return;
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}
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@ -152,7 +152,7 @@ public:
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_initialized = false;
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esp_err_t err = i2s_driver_uninstall(I2S_NUM_0);
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if (err != ESP_OK) {
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Serial.printf("Failed to uninstall i2s driver: %d\n", err);
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DEBUGSR_PRINTF("Failed to uninstall i2s driver: %d\n", err);
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return;
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}
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pinManager.deallocatePin(i2swsPin, PinOwner::DigitalMic);
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@ -174,13 +174,13 @@ public:
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err = i2s_read(I2S_NUM_0, (void *)newSamples, sizeof(newSamples), &bytes_read, portMAX_DELAY);
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if ((err != ESP_OK)){
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Serial.printf("Failed to get samples: %d\n", err);
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DEBUGSR_PRINTF("Failed to get samples: %d\n", err);
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return;
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}
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// For correct operation, we need to read exactly sizeof(samples) bytes from i2s
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if(bytes_read != sizeof(newSamples)) {
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Serial.printf("Failed to get enough samples: wanted: %d read: %d\n", sizeof(newSamples), bytes_read);
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DEBUGSR_PRINTF("Failed to get enough samples: wanted: %d read: %d\n", sizeof(newSamples), bytes_read);
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return;
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}
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@ -349,7 +349,7 @@ public:
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// Determine Analog channel. Only Channels on ADC1 are supported
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int8_t channel = digitalPinToAnalogChannel(audioPin);
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if (channel > 9) {
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Serial.printf("Incompatible GPIO used for audio in: %d\n", audioPin);
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DEBUGSR_PRINTF("Incompatible GPIO used for audio in: %d\n", audioPin);
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return;
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} else {
|
||||
adc_gpio_init(ADC_UNIT_1, adc_channel_t(channel));
|
||||
@ -358,14 +358,14 @@ public:
|
||||
// Install Driver
|
||||
esp_err_t err = i2s_driver_install(I2S_NUM_0, &_config, 0, nullptr);
|
||||
if (err != ESP_OK) {
|
||||
Serial.printf("Failed to install i2s driver: %d\n", err);
|
||||
DEBUGSR_PRINTF("Failed to install i2s driver: %d\n", err);
|
||||
return;
|
||||
}
|
||||
|
||||
// Enable I2S mode of ADC
|
||||
err = i2s_set_adc_mode(ADC_UNIT_1, adc1_channel_t(channel));
|
||||
if (err != ESP_OK) {
|
||||
Serial.printf("Failed to set i2s adc mode: %d\n", err);
|
||||
DEBUGSR_PRINTF("Failed to set i2s adc mode: %d\n", err);
|
||||
return;
|
||||
|
||||
}
|
||||
@ -374,7 +374,7 @@ public:
|
||||
// fingers crossed
|
||||
err = i2s_adc_enable(I2S_NUM_0);
|
||||
if (err != ESP_OK) {
|
||||
Serial.printf("Failed to enable i2s adc: %d\n", err);
|
||||
DEBUGSR_PRINTF("Failed to enable i2s adc: %d\n", err);
|
||||
//return;
|
||||
}
|
||||
#endif
|
||||
@ -393,7 +393,7 @@ public:
|
||||
esp_err_t err = i2s_adc_enable(I2S_NUM_0);
|
||||
//esp_err_t err = i2s_start(I2S_NUM_0);
|
||||
if (err != ESP_OK) {
|
||||
Serial.printf("Failed to enable i2s adc: %d\n", err);
|
||||
DEBUGSR_PRINTF("Failed to enable i2s adc: %d\n", err);
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
@ -404,7 +404,7 @@ public:
|
||||
err = i2s_adc_disable(I2S_NUM_0);
|
||||
//err = i2s_stop(I2S_NUM_0);
|
||||
if (err != ESP_OK) {
|
||||
Serial.printf("Failed to disable i2s adc: %d\n", err);
|
||||
DEBUGSR_PRINTF("Failed to disable i2s adc: %d\n", err);
|
||||
return;
|
||||
}
|
||||
#endif
|
||||
@ -420,13 +420,13 @@ public:
|
||||
// fingers crossed
|
||||
err = i2s_adc_disable(I2S_NUM_0);
|
||||
if (err != ESP_OK) {
|
||||
Serial.printf("Failed to disable i2s adc: %d\n", err);
|
||||
DEBUGSR_PRINTF("Failed to disable i2s adc: %d\n", err);
|
||||
//return;
|
||||
}
|
||||
#endif
|
||||
err = i2s_driver_uninstall(I2S_NUM_0);
|
||||
if (err != ESP_OK) {
|
||||
Serial.printf("Failed to uninstall i2s driver: %d\n", err);
|
||||
DEBUGSR_PRINTF("Failed to uninstall i2s driver: %d\n", err);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user