ino_constants

//Constants and variables- Start//
enum AppState
{
  APPSTATE_Init,
  APPSTATE_Error,
  APPSTATE_Recording
};

static AppState appstate;
// These numbers need to match the compiled ELL models.
const int SAMPLE_RATE = 16000;
const int SAMPLE_BIT_DEPTH = 16;
const int FEATURIZER_INPUT_SIZE = 512;
const int FRAME_RATE = 33; // assumes a "shift" of 512 and 512/16000 = 0.032ms per frame.
const int FEATURIZER_OUTPUT_SIZE = 80;
const int CLASSIFIER_OUTPUT_SIZE = 31;
const float THRESHOLD = 0.9;
static int scaled_input_buffer_pos = 0;
static float scaled_input_buffer[FEATURIZER_INPUT_SIZE]; // raw audio converted to float
const int MAX_FEATURE_BUFFERS = 10;                                                // set to buffer up to 1 second of audio in circular buffer
static float featurizer_input_buffers[MAX_FEATURE_BUFFERS][FEATURIZER_INPUT_SIZE]; // input to featurizer
static int featurizer_input_buffer_read = -1;                                      // next read pos
static int featurizer_input_buffer_write = 0;                                      // next write pos
static int dropped_frames = 0;
static float featurizer_output_buffer[FEATURIZER_OUTPUT_SIZE]; // 40 channels
static float classifier_output_buffer[CLASSIFIER_OUTPUT_SIZE]; // 31 classes
static int raw_audio_count = 0;
static char raw_audio_buffer[AUDIO_CHUNK_SIZE];
static int prediction_count = 0;
static int last_prediction = 0;
static int last_confidence = 0; // as a percentage between 0 and 100.
static uint8_t maxGain = 0;
static uint8_t minGain = 0;
int decibels = 0;
float min_level = 100;
float max_level = 0;
RGB_LED rgbLed;
static bool hasWifi = false;
static bool messageSending = true;
static uint64_t send_interval_ms;
int messageCount = 0;       // holds ID
bool messageReceived = false;
char device_id[6];
AudioClass &Audio = AudioClass::getInstance();
//Constants and variables- End//
//************************************//