// SAMM CODE 

#include <Arduino.h>
#include <Wire.h>
#include <Adafruit_I2CDevice.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_GFX.h>
#include <SPI.h>
#include <SdFat.h>
#include <sdios.h>
SdFat memory;

// 
// Audio Setup
#include <SamdAudio.h>
SamdAudio AudioPlayer;
#define NUM_AUDIO_CHANNELS 2 //could be 1,2 or 4 for sound

#define AUDIO_BUFFER_SIZE 512 //512 works fine for 22.05kh, 
//set buffer size to 1024 for 32khz and 44.1khz for Adafruit M0 with QUAD Flash

//indicate sample rate here (use audacity to convert your wav)
const unsigned int sampleRate = 22050; //hz

// SAMM Response wav files - noise.wav is TransTemporal Phase Cancellation product 
const char *filename0 = "just1mom.wav";
const char *filename1 = "moment.wav";
const char *filename2 = "fault.wav";
const char *filename3 = "function.wav";
const char *filename4 = "operatio.wav";
const char *filename5 = "sorry.wav";
const char *filename6 = "noise.wav";

// SD chip select pin (with ethernet shield : 4)
#define YOUR_SD_CS 7

// 

//  SAMM Logo

const unsigned char SAMMlogo [] PROGMEM = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0x7F, 0xFF, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0x3F, 0xFF, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78,
0xFF, 0xFE, 0x3F, 0xFF, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x84,
0xFF, 0xFE, 0x1F, 0xFF, 0xE1, 0xC0, 0x00, 0x00, 0x00, 0x26, 0x00, 0x03, 0xEC, 0x00, 0x09, 0x72,
0xFF, 0xFF, 0x1F, 0xFF, 0xE1, 0xC0, 0x00, 0x00, 0x00, 0x60, 0x00, 0x03, 0x00, 0x00, 0x19, 0x4A,
0xFF, 0xFF, 0x1F, 0xFF, 0xE3, 0x63, 0xC7, 0x99, 0x9E, 0xF6, 0x78, 0xF3, 0x0D, 0xE7, 0xBD, 0x72,
0xFF, 0xFF, 0x8F, 0xFF, 0xE3, 0x66, 0x6C, 0xD9, 0xB3, 0x66, 0xCD, 0x9B, 0x0D, 0x8C, 0xD9, 0x4A,
0xFF, 0xFF, 0x87, 0xFF, 0xE3, 0x66, 0x0C, 0xD9, 0xB8, 0x66, 0xC1, 0xC3, 0xED, 0x8E, 0x18, 0x84,
0xFF, 0xFF, 0xC7, 0xFF, 0xE3, 0x66, 0x0C, 0xD9, 0x9E, 0x66, 0xC0, 0xF3, 0x0D, 0x87, 0x98, 0x78,
0xFF, 0xFF, 0xC3, 0xFF, 0xE7, 0xF6, 0x0C, 0xD9, 0x87, 0x66, 0xC0, 0x3B, 0x0D, 0x81, 0xD8, 0x00,
0xFF, 0xFF, 0xE3, 0xFF, 0xE6, 0x36, 0x6C, 0xDB, 0xB3, 0x66, 0xCD, 0x9B, 0x0D, 0x8C, 0xD8, 0x00,
0xFF, 0xFF, 0xE1, 0xFF, 0xE6, 0x33, 0xC7, 0x8D, 0x9E, 0x36, 0x78, 0xF3, 0x0D, 0x87, 0x8C, 0x00,
0xFF, 0xFF, 0xF1, 0xFF, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0xF0, 0xFF, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0x80, 0x00, 0x7F, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1D, 0xB0,
0xFF, 0x80, 0x00, 0x7F, 0xE1, 0xF0, 0x00, 0x3E, 0x00, 0x3E, 0x0F, 0x80, 0x7C, 0x1F, 0x09, 0xB0,
0xFF, 0x00, 0x01, 0xFF, 0xE7, 0xFC, 0x00, 0x3E, 0x00, 0x3E, 0x0F, 0x80, 0x7C, 0x1F, 0x09, 0xB0,
0xFF, 0xFE, 0x03, 0xFF, 0xE7, 0xFC, 0x00, 0x3E, 0x00, 0x3E, 0x0F, 0x80, 0x7C, 0x1F, 0x09, 0x50,
0xFF, 0xFC, 0x0F, 0xFF, 0xEF, 0x1E, 0x00, 0x77, 0x00, 0x3B, 0x1B, 0x80, 0x76, 0x37, 0x09, 0x50,
0xFF, 0xF0, 0x1F, 0xFF, 0xEE, 0x0E, 0x00, 0x77, 0x00, 0x3B, 0x1B, 0x80, 0x76, 0x37, 0x00, 0x00,
0xFF, 0xE0, 0x7F, 0xFF, 0xEF, 0x00, 0x00, 0x77, 0x00, 0x3B, 0x1B, 0x80, 0x76, 0x37, 0x00, 0x00,
0xFF, 0x80, 0xFF, 0xFF, 0xE7, 0xE0, 0x00, 0x63, 0x80, 0x3B, 0xBB, 0x80, 0x77, 0x77, 0x00, 0x00,
0xFF, 0x03, 0xFF, 0xFF, 0xE3, 0xFC, 0x00, 0xE3, 0x80, 0x3B, 0xBB, 0x80, 0x77, 0x77, 0x00, 0x00,
0xFC, 0x07, 0xFF, 0xFF, 0xE0, 0xFC, 0x00, 0xE3, 0x80, 0x39, 0xB3, 0x80, 0x73, 0x67, 0x00, 0x00,
0xF8, 0x1F, 0xFF, 0xFF, 0xE0, 0x1E, 0x00, 0xFF, 0x80, 0x39, 0xB3, 0x80, 0x73, 0x67, 0x00, 0x00,
0xF0, 0x3F, 0xFF, 0xFF, 0xEE, 0x0E, 0x01, 0xFF, 0xC0, 0x39, 0xF3, 0x80, 0x73, 0xE7, 0x00, 0x00,
0xE0, 0xFF, 0xFF, 0xFF, 0xEF, 0x1E, 0x01, 0xFF, 0xC0, 0x39, 0xF3, 0x80, 0x73, 0xE7, 0x00, 0x00,
0xE1, 0xFF, 0xFF, 0xFD, 0xE7, 0xFE, 0x71, 0xC1, 0xCE, 0x38, 0xE3, 0x9C, 0x71, 0xC7, 0x38, 0x00,
0xC7, 0xFF, 0xFF, 0xF8, 0xE7, 0xFC, 0x73, 0x80, 0xEE, 0x38, 0xE3, 0x9C, 0x71, 0xC7, 0x38, 0x00,
0xCF, 0xFF, 0xFF, 0xF0, 0xE1, 0xF0, 0x73, 0x80, 0xEE, 0x38, 0xE3, 0x9C, 0x71, 0xC7, 0x38, 0x00,
0xBF, 0xFF, 0xFF, 0xF0, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xF0, 0x78, 0x73, 0x93, 0x90, 0x7F, 0x8C, 0x08, 0x10, 0x27, 0x27, 0x38, 0xC0, 0x9C, 0x39, 0xCF,
0xE7, 0x33, 0x33, 0x91, 0x93, 0x3F, 0x8F, 0x3E, 0x73, 0xE3, 0x27, 0x38, 0xF3, 0x99, 0x98, 0xCF,
0xE7, 0xE7, 0x93, 0x91, 0x93, 0x9F, 0x27, 0x3E, 0x73, 0xE3, 0x27, 0x32, 0x73, 0x93, 0xC8, 0xCF,
0xE1, 0xE7, 0x93, 0x90, 0x93, 0x9F, 0x27, 0x3E, 0x73, 0xE1, 0x27, 0x32, 0x73, 0x93, 0xC8, 0x4F,
0xF0, 0x67, 0x93, 0x92, 0x93, 0x9F, 0x27, 0x3E, 0x70, 0x25, 0x27, 0x32, 0x73, 0x93, 0xC9, 0x4F,
0xFC, 0x27, 0x93, 0x92, 0x13, 0x9F, 0x27, 0x3E, 0x73, 0xE4, 0x27, 0x32, 0x73, 0x93, 0xC9, 0x0F,
0xFF, 0x27, 0x93, 0x93, 0x13, 0x9E, 0x03, 0x3E, 0x73, 0xE6, 0x27, 0x20, 0x33, 0x93, 0xC9, 0x8F,
0xE7, 0x33, 0x33, 0x93, 0x13, 0x3E, 0x73, 0x3E, 0x73, 0xE6, 0x27, 0x27, 0x33, 0x99, 0x99, 0x8F,
0xF0, 0x78, 0x78, 0x33, 0x90, 0x7E, 0x73, 0x3E, 0x70, 0x27, 0x30, 0x67, 0x33, 0x9C, 0x39, 0xCF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x8E, 0x38, 0xC0, 0x81, 0x93, 0x9E, 0x38, 0xE3, 0x9C, 0xE3, 0xE1, 0x81, 0x1C, 0x40, 0x9C, 0x81,
0x8E, 0x38, 0xF3, 0x9C, 0x93, 0x9E, 0x38, 0xE3, 0x8C, 0xE3, 0xCC, 0x9F, 0x1C, 0x4F, 0x8C, 0xE7,
0x84, 0x32, 0x73, 0x9C, 0x99, 0x3E, 0x10, 0xC9, 0x8C, 0xC9, 0x9F, 0x9F, 0x08, 0x4F, 0x8C, 0xE7,
0x84, 0x32, 0x73, 0x9C, 0x98, 0x3E, 0x10, 0xC9, 0x84, 0xC9, 0x9F, 0x9F, 0x08, 0x4F, 0x84, 0xE7,
0x95, 0x32, 0x73, 0x81, 0x9C, 0x7E, 0x54, 0xC9, 0x94, 0xC9, 0x98, 0x81, 0x2A, 0x40, 0x94, 0xE7,
0x95, 0x32, 0x73, 0x99, 0x98, 0x3E, 0x54, 0xC9, 0x90, 0xC9, 0x9C, 0x9F, 0x2A, 0x4F, 0x90, 0xE7,
0x91, 0x20, 0x33, 0x9C, 0x99, 0x3E, 0x44, 0x80, 0x98, 0x80, 0x9C, 0x9F, 0x22, 0x4F, 0x98, 0xE7,
0x91, 0x27, 0x33, 0x9C, 0x93, 0x9E, 0x44, 0x9C, 0x98, 0x9C, 0xCC, 0x9F, 0x22, 0x4F, 0x98, 0xE7,
0x9B, 0x27, 0x33, 0x9E, 0x13, 0x9E, 0x6C, 0x9C, 0x9C, 0x9C, 0xE1, 0x81, 0x36, 0x40, 0x9C, 0xE7,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x0E, 0x1C, 0x44, 0x61, 0xC4, 0x3E, 0x00, 0x00, 0x60, 0x81, 0x03, 0x08,
0x00, 0x00, 0x00, 0x00, 0x11, 0x22, 0x64, 0x92, 0x24, 0x20, 0x00, 0x00, 0x91, 0x83, 0x04, 0x98,
0x00, 0x00, 0x00, 0x00, 0x10, 0x22, 0x64, 0x82, 0x24, 0x20, 0x04, 0x40, 0x92, 0x81, 0x00, 0x88,
0x00, 0x00, 0x00, 0x00, 0x10, 0x22, 0x54, 0x62, 0x24, 0x3E, 0x02, 0x80, 0x94, 0x81, 0x01, 0x08,
0x00, 0x00, 0x00, 0x00, 0x10, 0x22, 0x4C, 0x12, 0x24, 0x20, 0x02, 0x80, 0x97, 0xC1, 0x01, 0x08,
0x00, 0x00, 0x00, 0x00, 0x11, 0x22, 0x4C, 0x92, 0x24, 0x20, 0x02, 0x80, 0x90, 0x81, 0x02, 0x08,
0x00, 0x00, 0x00, 0x00, 0x0E, 0x1C, 0x44, 0x61, 0xC7, 0xBE, 0x01, 0x10, 0xE0, 0x91, 0x17, 0x88,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};


//  *************  HAL Logo ***********************

const unsigned char HALlogo [] PROGMEM = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3F, 0xF8, 0x00, 0x00, 0x00,
0x00, 0x00, 0x03, 0xFF, 0xFF, 0x80, 0x00, 0x00, 0x00, 0x00, 0x1F, 0xFF, 0xFF, 0xF0, 0x00, 0x00,
0x00, 0x00, 0x7F, 0xFF, 0xFF, 0xF8, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFE, 0x00, 0x00,
0x00, 0x03, 0xFF, 0xFB, 0x5D, 0xFF, 0x80, 0x00, 0x00, 0x07, 0xFF, 0xEE, 0xB7, 0x7F, 0xC0, 0x00,
0x00, 0x0F, 0xFE, 0x55, 0xCD, 0xAF, 0xE0, 0x00, 0x00, 0x1F, 0xEA, 0x40, 0x04, 0xFB, 0xF0, 0x00,
0x00, 0x3F, 0xEA, 0x00, 0x01, 0x16, 0xF8, 0x00, 0x00, 0x7F, 0x90, 0x00, 0x00, 0x6B, 0xFC, 0x00,
0x00, 0xFF, 0xA0, 0x02, 0x80, 0x14, 0x5E, 0x00, 0x01, 0xFA, 0x40, 0x1F, 0xE0, 0x03, 0xDF, 0x00,
0x01, 0xFC, 0x80, 0x1F, 0xE0, 0x00, 0x6F, 0x00, 0x03, 0xF4, 0x05, 0x67, 0xFE, 0x02, 0x9D, 0x80,
0x03, 0xFA, 0x0D, 0x37, 0xC1, 0x40, 0xA7, 0x80, 0x07, 0xE0, 0x3C, 0xBF, 0xFD, 0x70, 0x55, 0xC0,
0x07, 0xF0, 0x7F, 0x6F, 0xF7, 0xF8, 0x2B, 0xC0, 0x0F, 0xC8, 0x7F, 0xB2, 0x99, 0x7C, 0x15, 0x60,
0x0F, 0xC0, 0x77, 0xDF, 0xFF, 0xFC, 0x05, 0xE0, 0x1F, 0xD0, 0xFF, 0x7E, 0x9B, 0x7C, 0x15, 0x60,
0x0F, 0x40, 0x1E, 0xD7, 0xFB, 0xA0, 0x0A, 0xB0, 0x1F, 0xA0, 0x6D, 0xFF, 0xEE, 0xBE, 0x04, 0xF0,
0x1F, 0x82, 0xB3, 0xBF, 0xFF, 0xD3, 0x02, 0x50, 0x1F, 0xC0, 0xBE, 0xFF, 0xFD, 0xD9, 0x0A, 0xB0,
0x3D, 0x00, 0x4B, 0xFF, 0xFF, 0x74, 0x02, 0xD8, 0x1F, 0xC2, 0xBD, 0x7F, 0xFD, 0xD6, 0x81, 0x30,
0x3D, 0x00, 0xAF, 0xFC, 0xFF, 0xFA, 0x84, 0x98, 0x3F, 0x82, 0xB7, 0xF8, 0x7F, 0x6A, 0x02, 0xA8,
0x1D, 0x40, 0xAD, 0xF8, 0x7D, 0xB9, 0x45, 0x50, 0x3E, 0x81, 0x5F, 0xFC, 0xFF, 0xEE, 0x02, 0xA8,
0x1F, 0xC1, 0x56, 0xFF, 0xFE, 0xF5, 0x01, 0x50, 0x3E, 0x40, 0xBB, 0x7F, 0xFF, 0x5A, 0x84, 0x58,
0x1F, 0x41, 0x57, 0xFF, 0xFB, 0xEA, 0x03, 0x50, 0x1F, 0xC0, 0x3E, 0xFF, 0xED, 0xB4, 0x04, 0x80,
0x1A, 0xA1, 0x85, 0xDB, 0xFF, 0xB5, 0x05, 0x50, 0x0F, 0xA0, 0x77, 0x7E, 0xEE, 0xD4, 0x0A, 0x40,
0x1E, 0xC0, 0x1A, 0xEF, 0xBD, 0xA8, 0x09, 0x20, 0x0F, 0x50, 0x4B, 0xFB, 0xD7, 0x6A, 0x16, 0x80,
0x07, 0x68, 0x54, 0x9D, 0x75, 0xA8, 0x12, 0x20, 0x07, 0xA8, 0x06, 0xD7, 0xBE, 0x80, 0x2A, 0x80,
0x03, 0xD4, 0x19, 0x65, 0xEA, 0xA0, 0x28, 0x00, 0x03, 0xE8, 0x05, 0x5D, 0x55, 0x08, 0x54, 0x80,
0x01, 0xFA, 0x01, 0x25, 0x28, 0x81, 0x54, 0x00, 0x00, 0xDA, 0x00, 0x95, 0xA4, 0x01, 0x50, 0x00,
0x00, 0xF5, 0x80, 0x04, 0x10, 0x02, 0x62, 0x00, 0x00, 0x3B, 0x40, 0x11, 0x42, 0x05, 0x88, 0x00,
0x00, 0x5D, 0x50, 0x00, 0x00, 0x2A, 0x80, 0x00, 0x00, 0x1A, 0xAA, 0x00, 0x00, 0x2A, 0x00, 0x00,
0x00, 0x0F, 0x6D, 0x00, 0x01, 0xAD, 0x20, 0x00, 0x00, 0x05, 0x92, 0xA0, 0x16, 0x58, 0x80, 0x00,
0x00, 0x03, 0xE9, 0x6F, 0xEB, 0x60, 0x00, 0x00, 0x00, 0x00, 0xBD, 0x30, 0x55, 0x24, 0x00, 0x00,
0x00, 0x00, 0x55, 0x97, 0x6A, 0x90, 0x00, 0x00, 0x00, 0x00, 0x0B, 0x54, 0x90, 0x00, 0x00, 0x00,
0x00, 0x00, 0x01, 0x52, 0x45, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x29, 0x20, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};


// The Button
int sammButton = 6;
 


// audio sample window method
const int sampleWindow = 50; // Sample window width in mS (50 mS = 20Hz)
unsigned int sample;


// Microphone input variables
 // Microphone pin analog 1
int micLevel = 0; 


//  SAMM Meter
unsigned long sammMeter = 0;
//  SAMM THreshold is the Aggregate 0-100 Normalized MIC Level ADDED PER CYCLE UNTIL Threshold is MET -Threshold = 100% SAMMETER 
unsigned long sammThreshold = 50000;
int sammFill = 0;

// Status Variables

const char* sammStatus[] = {"Optimized", "Sub-optimal", "PURGE MATRIX!", "Push Button!" };
// char status1[14] = "Optimized";
// char status2[14] = "Sub-Optimal";
// char status3[14] = "Purge Matrix";


//OLED Variable Setup
#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels
// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);


//  **********************************************
//             ***    SETUP    ***
//  **********************************************


void setup() {
  // put your setup code here, to run once:
Wire.begin();
Serial.begin(115200);
 analogReadResolution(10);  //MicLevel Bit Depth
 analogWriteResolution(10);  //Output Bit Depth


// button  Listen - LOW is pressed
 pinMode(sammButton,INPUT_PULLUP);



// SD io pinmode
   pinMode(YOUR_SD_CS, OUTPUT);

delay(100);






// OLED Initialization
  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  delay(2000);
    display.setTextColor(WHITE);
    display.clearDisplay(); //for Clearing the display
display.display();



/// ****HAL Logo****  Boot display
  display.drawBitmap(0, 0, HALlogo, 64, 64, WHITE); // display.drawBitmap(x position, y position, bitmap data, bitmap width, bitmap height, color)
  display.display();
delay(250);
display.setTextSize(1);
  display.setCursor(68,3);
  display.print("HAL BIOS");
  display.display();
    delay(750);
  display.setCursor(68,15);
  display.print("HEURISTIC");
  display.display();
    delay(750);
  display.setCursor(68,25);
  display.print("ALGORITHM");
  display.display();
    delay(750);
   display.setCursor(74,35);
  display.print("LINK");
  display.display();
    delay(1750);
   display.setCursor(74,45);
  display.print("VERSION");
  display.display();
    delay(250);
     display.setCursor(68,55);
  display.print("V. 8999.91a");
  display.display();
    delay(3500);


 display.clearDisplay(); //for Clearing the display
display.display();




// Audio Test

if ( !memory.begin(YOUR_SD_CS) )
  {
     //the sd card error was found, exit this function and to not attempt to finish
     Serial.println("can't start card");
  }

  // Serial.begin(115200);
  // while (!Serial); // open the serial to start!

  Serial.print("Initializing Audio Player...");
  if (AudioPlayer.begin(sampleRate, NUM_AUDIO_CHANNELS, AUDIO_BUFFER_SIZE) == -1) 
  {
    Serial.println(" failed!");
    return;
  }
  Serial.println(" done.");

  
 
 AudioPlayer.play(filename0, 1); //play 1st file on channel 1






  /// ****SAMM Logo****  Boot display
  display.drawBitmap(0, 0, SAMMlogo, 128, 64, WHITE); // display.drawBitmap(x position, y position, bitmap data, bitmap width, bitmap height, color)
  display.display();
  
  delay(6000);




  display.clearDisplay();
display.display();





// ******************  Functional Screen ****************
//  ***************************************************


display.clearDisplay();
display.display();

  display.drawRect (0, 0, 128, 64, WHITE);

 // ****** Heading ********
 display.setCursor(5, 3);
  display.print("S.A.M.M. CONSOLE(TM)");
 display.drawLine(0,12,128,12,WHITE);

 // display STARUP
  display.setTextSize(2);
  display.setCursor(5,15);
  display.print("SAMM START");
  display.display();
    delay(1000);
  

//  ALL SYSTEMS ARE FUNCTIONAL

AudioPlayer.play(filename3, 0); //play FUNCTION file on channel 0

  display.setTextSize(1);
  display.setCursor(5,32);
  display.print("* All systems are  *");
  display.display();
    delay(750);
  display.setCursor(5,42);
  display.print("**** FUNCTIONAL.****");
  display.display();
    delay(1500);
  display.setCursor(5,52);
  display.print("Loading Console View.");
  display.display();
delay(3000);
display.clearDisplay();
display.display();







delay(1000);
}


//Purge Function
void Purge (){
display.clearDisplay();
   AudioPlayer.play(filename1, 0); //play MOMENT file on channel 0
// Border
  display.drawRect (0, 0, 128, 64, WHITE);

 // ****** Heading ********
 display.setCursor(5, 3);
  display.print("S.A.M.M. CONSOLE(TM)");
 display.drawLine(0,12,128,12,WHITE);

 // display Purge!
  display.setTextSize(2);
  display.setCursor(5,15);
  display.print("PURGE  SAM");
  display.display();
    delay(1000);
  display.setTextSize(1);
  display.setCursor(5,32);
  display.print("Initializing routine");
  display.display();
    delay(1000);

  AudioPlayer.play(filename6, 0); //play MOMENT file on channel 0

  display.setCursor(5,42);
  display.print("Purging local matrix");
  display.display();
    delay(1500);
  display.setCursor(5,52);
  display.print("*Local Matrix Clear*");
  display.display();
delay(3000);
display.clearDisplay();
// Border
  display.drawRect (0, 0, 128, 64, WHITE);

 // ****** Heading ********
 display.setCursor(5, 3);
  display.print("S.A.M.M. CONSOLE(TM)");
 display.drawLine(0,12,128,12,WHITE);

 // display Purge!
  display.setTextSize(2);
  display.setCursor(5,15);
  display.print("Remote SAM");
  display.display();
    delay(1000);

  display.setTextSize(1);
  display.setCursor(5,32);
  display.print("Remote Matrix Purge.");
  display.display();
  delay(1500);
  display.setCursor(5,42);
  display.print("Purge Status:  DONE!");
  display.display();
  delay(750);
  display.setCursor(5,52);
  display.print("S.A.M. Status: CLEAR");
  display.display();
delay(1500);


 


sammMeter = 0;  // Reset Base Samm percent value.


display.clearDisplay();
  delay(500);
  AudioPlayer.play(filename4, 1); //play OPARATIONAL file on channel 1
}





// ******** Pushbutton routine **************
void PushButton(){
display.clearDisplay();

AudioPlayer.play(filename2, 0); //play FAULT file on channel 0
 
// Border
  display.drawRect (0, 0, 128, 64, WHITE);

 // ****** Heading ********
 display.setCursor(5, 3);
  display.print("S.A.M.M. CONSOLE(TM)");
 display.drawLine(0,12,128,12,WHITE);
 display.display();
 delay(1000);

 // display Warning!
  display.setTextSize(2);
  display.setCursor(5,15);
  display.print(" WARNING!");
  // flash inver screen
  display.invertDisplay(true);
  display.display();
    delay(100);
  display.invertDisplay(false);
  display.display();
    delay(100);
  display.invertDisplay(true);
  display.display();
    delay(100);
  display.invertDisplay(false);
  display.display();
    delay(100);
  display.invertDisplay(true);
  display.display();
    delay(100);
  display.invertDisplay(false);
  display.display();
  
  
  delay(100);


  display.setTextSize(1);
  display.setCursor(5,32);
  display.print("  PURGE the SOUND");
  display.setCursor(7,42);
  display.print("ATTENUATION MATRIX!");
  display.setCursor(5,52);
  display.print("    PRESS BUTTON");

  display.display();


// delay(10000);
// display.clearDisplay();
while (digitalRead(sammButton) == HIGH) {
   display.invertDisplay(true);
display.display();
}

  display.invertDisplay(false);
  display.display();
Purge();


}



//    *************************************************
//    ****************      LOOP      *****************
//    *************************************************



void loop() {
  // put your main code here, to run repeatedly:

//  Sorry Dave  (If less than 50% Full)

if (digitalRead(sammButton) == LOW) {

  if (sammFill <= 5) {


// ******************  I'm Sorry Dave Screen ****************
//  ***************************************************


display.clearDisplay();
display.display();

  display.drawRect (0, 0, 128, 64, WHITE);

 // ****** Heading ********
 display.setCursor(5, 3);
  display.print("S.A.M.M. CONSOLE(TM)");
 display.drawLine(0,12,128,12,WHITE);

 // display STARUP
  display.setTextSize(2);
  display.setCursor(5,15);
  display.print("**ERROR!**");
  display.display();
    delay(250);
  

//  ALL SYSTEMS ARE FUNCTIONAL

   AudioPlayer.play(filename5, 0); //play SORRY file on channel 0

  display.setTextSize(1);
  display.setCursor(5,32);
  display.print(" I'm sorry, Dave...");
  display.display();
    delay(1500);
  display.setCursor(8,42);
  display.print("I'm afraid I can't");
  display.display();
    delay(900);
  display.setCursor(5,52);
  display.print("** ...do that... **");
  display.display();
delay(3000);
display.clearDisplay();
display.display();



  }

  else  {
       Purge();
        }

}






// SAmple Window method
   unsigned long startMillis= millis();  // Start of sample window
   unsigned int peakToPeak = 0;   // peak-to-peak level
 
   unsigned int signalMax = 0;
   unsigned int signalMin = 1024;
 
   // collect data for 50 mS
   while (millis() - startMillis < sampleWindow)
   {
      sample = analogRead(1);
      if (sample < 1024)  // toss out spurious readings
      {
         if (sample > signalMax)
         {
            signalMax = sample;  // save just the max levels
         }
         else if (sample < signalMin)
         {
            signalMin = sample;  // save just the min levels
         }
      }
   }
   peakToPeak = signalMax - signalMin;  // max - min = peak-peak amplitude





  // *****************Mic level *****************
  micLevel = peakToPeak;  // read the sample output calculation
  micLevel = map(micLevel, 0,1023,0,100);  // Remap mic level 0-100 
  if (micLevel < 1)
  {
     micLevel = 0;
  }
  else if (micLevel > 100)
  {
     micLevel = 100;
  }
 // Serial.println(micLevel);          // debug value
  // delay(50);
// ************End micLevel*****************



// ************ SAMM Meter ****************
if (micLevel > 5)
{
      sammMeter = sammMeter + micLevel;
}
//  Serial.println(sammMeter);

sammFill =  map(sammMeter, 0,sammThreshold,0,100);
if (sammFill < 1)
  {
     sammFill = 0;
  }
  else if (sammFill > 100)
  {
     sammFill = 100;
  }


 Serial.println(sammFill);

// ***********StatusValues************



//**************** Console Display**********************
 display.clearDisplay();
 
// Border
  display.drawRect (0, 0, 128, 64, WHITE);

 // ****** Heading ********
 display.setCursor(5, 3);
  display.print("S.A.M.M. CONSOLE(TM)");
 display.drawLine(0,12,128,12,WHITE);

  // display Intensity Values
  display.setTextSize(1);
  display.setCursor(5,15);
  display.print(micLevel);
  display.drawRect (22, 15, 103, 8, WHITE);
  display.fillRect (24, 17, micLevel, 4, WHITE);
  display.drawLine(0,25,128,25,WHITE);

  // Display SmmFIll percentage
    display.setTextSize(1);
    display.setCursor(3,28);
    display.print(" %");
    display.setCursor(3,38);
    display.print(sammFill);

  display.drawRect (22, 29, 104, 16, WHITE);
  display.fillRect (24, 31, sammFill, 12, WHITE);
  display.drawLine(0,48,128,48,WHITE);

 
  display.setTextSize(1);
  display.setCursor(3, 52);
  display.print("Status: ");

if (sammFill > 99) {
  display.print(sammStatus[3]);
  PushButton();
}   
else if (sammFill >= 90) {
  display.print(sammStatus[2]);
}
else if (sammFill >= 80) { 
  display.print(sammStatus[1]);
}
else { 
  display.print(sammStatus[0]);
}

 
display.display(); 











}