#include <driver/i2s.h>
#define I2S_WS 33
#define I2S_SD 32
#define I2S_SCK 25
#define I2S_PORT I2S_NUM_0
#define bufferLen 1024
int16_t sBuffer[bufferLen];

void i2s_install() {
    i2s_set_pin(I2S_PORT, &pin_config);
}

void setup() {
    Serial.begin(115200);
    Serial.println(" ");
    delay(1000);
    i2s_install();
    i2s_setpin();
    i2s_start(I2S_PORT);
    delay(500);
}

void loop() {
    int rangelimit = 3000;
    Serial.print(rangelimit * -1);
    Serial.print(" ");
    Serial.print(rangelimit);
    Serial.print(" ");
    size_t bytesIn = 0;
    esp_err_t result = i2s_read(I2S_PORT, &sBuffer, bufferLen, &bytesIn, portMAX_DELAY);
    if (result == ESP_OK) {
        int16_t samples_read = bytesIn / 8;
        if (samples_read > 0) {
            float mean = 0;
            for (int1
Kopyala