Arduino Audiometric Device

1#include <Volume.h>
2#include <RotaryEncoder.h>
3#include <Adafruit_NeoPixel.h>
4#include  <OneButton.h>
5#include <U8glib.h>
6
7#define PIN 8
8Adafruit_NeoPixel strip  = Adafruit_NeoPixel(64, PIN, NEO_GRB + NEO_KHZ800);
9U8GLIB_SSD1306_128X32 u8g(U8G_I2C_OPT_NONE);  // I2C / TWI 
10
11Volume vol;
12// Change these two numbers to the pins connected  to your encoder.
13//   Best Performance: both pins have interrupt capability
14//   Good Performance: only the first pin has interrupt capability
15//   Low Performance:  neither pin has interrupt capability
16
17// ----- Rotary settings here ----
18#define  ROTARYSTEPS 1
19#define ROTARYMIN 1
20#define ROTARYMAX 8
21int lastPos = 0;
22int  exitFlag = 0;
23// Setup a RoraryEncoder for pins A2 and A3:
24 RotaryEncoder  encoder(A2, A3);
25
26// Last known rotary position.
27// Setup a new OneButton  on pin A1.  
28OneButton button(A1, true);
29
30int risultati[3][8];
31int j=0;
32int  x=0;
33int y=0;
34int orecchio=1;
35int pos = 1;
36char db[9][10]=
37{ "0  db",
38  "10 db",
39  "20 db",
40  "30 db",
41  "40 db",
42  "50  db",
43  "60 db",
44  "70 db",
45  "80 db" 
46};
47char freq[8][10]
48{  "125 Hz",
49  "250 Hz",
50  "500 Hz",
51  "1000 Hz",
52  "2000 Hz",
53  "3000 Hz",
54  "4000 Hz",
55  "8000 Hz"  
56};
57
58int freqn[8][2]
59{
60  125, 250, 500, 1000, 2000, 3000, 4000, 8000
61};
62
63char ear[3][11]
64{  "Volume:",
65  "Vol Left:",
66  "Vol Righ:" 
67};
68
69
70
71
72void  setup() {
73  strip.begin();
74  strip.show(); // Initialize all pixels to 'off'
75
76  encoder.setPosition(0 / ROTARYSTEPS); // start with the value of 0.
77
78  u8g.setColorIndex(1);         // pixel on for Display 
79
80  button.attachLongPressStop(longPressStop);
81
82
83  vol.begin(); // After calling this, delay() and delayMicroseconds will no longer  work
84               // correctly! Instead, use vol.delay() and vol.delayMicroseconds()  for
85               // the correct timing
86
87  vol.setMasterVolume(3.00);  // Self-explanatory enough, right? Try lowering this value if the speaker is too  loud! (0.00 - 1.00)
88  vol.delay(500);
89    
90  Serial.begin(115200);
91  Serial.println("Volume test with Encoder:");
92
93}
94
95
96void loop()  {
97
98  button.tick();
99
100  encoder.tick();
101
102  int newPos = encoder.getPosition();
103  if (pos != newPos) {
104
105    if (newPos < ROTARYMIN) {
106    encoder.setPosition(ROTARYMIN  / ROTARYSTEPS);
107    newPos = ROTARYMIN;
108    } else if (newPos > ROTARYMAX)  {
109      encoder.setPosition(ROTARYMAX / ROTARYSTEPS);
110      newPos = ROTARYMAX;
111    } 
112
113    Serial.print(newPos);
114    Serial.print(", ");
115    Serial.print(x);
116    Serial.println();
117
118    if (orecchio < 3){
119    u8g.firstPage();  
120    do {
121      draw(ear[orecchio], 0, 12);
122      draw("Freq:", 0, 30);
123      draw(db[newPos], 80, 12);
124      draw(freq[x], 50, 30);
125    } while(  u8g.nextPage() );
126    } else {
127      u8g.firstPage();  
128    do {
129      draw("  FINAL GRAPH  ", 0, 12);
130      draw("   EXECUTED    ", 0, 32);
131    } while(  u8g.nextPage() );
132    }
133    
134    pos = newPos;
135    vol.tone (freqn[x],pos);
136
137    if (orecchio < 3)
138      for (j=(x*8); j<64;j++) 
139        strip.setPixelColor(j,  0, 0, 0);
140    strip.show();
141
142    if ((x==0 or x==2 or x==4 or x==6) and  orecchio==1)
143      strip.setPixelColor((pos-1)+(x*8), 10, 0, 0);
144    if ((x==1  or x==3 or x==5 or x==7) and orecchio==1)
145      strip.setPixelColor(((x+1)*8)-(pos),  10, 0, 0);
146    if ((x==0 or x==2 or x==4 or x==6) and orecchio==2)
147      strip.setPixelColor((pos-1)+(x*8),  0, 0, 10);
148    if ((x==1 or x==3 or x==5 or x==7) and orecchio==2)
149      strip.setPixelColor(((x+1)*8)-(pos),  0, 0, 10);
150    strip.show();
151    }
152
153//  vol.delay(10); // solo per test
154
155}
156
157
158
159//  This function will be called once, when the button1 is released after beeing pressed  for a long time.
160void longPressStop() {
161  Serial.print("Button 1 longPress  stop, x=");
162//  scanf("%d", &risultati[orecchio][pos]);
163  risultati[orecchio][x]=pos;
164  x=x+1;
165  pos=0;
166  encoder.setPosition(1);
167  if (x>7 and orecchio == 1)  {
168    x=0;
169    orecchio =2;
170    }
171    if (x>7 and orecchio == 2) {
172    u8g.firstPage();  
173    do  {
174      draw(" PLEASE WAIT  ", 0, 12);
175      draw(" FINAL GRAPH  ", 0, 32);
176        } while( u8g.nextPage() );
177      strip.clear();
178      for (j=1; j<3;j++) {
179        Serial.println();
180        for (x=0; x<8;x++) {
181          if ((x==0 or x==2 or x==4 or x==6) and  j==1)
182            strip.setPixelColor((risultati[j][x]-1)+(x*8), 10, 0, 0);
183          if ((x==1 or x==3 or x==5 or x==7) and j==1)
184            strip.setPixelColor(((x+1)*8)-(risultati[j][x]),  10, 0, 0);
185          if ((x==0 or x==2 or x==4 or x==6) and j==2)
186            if  (strip.getPixelColor((risultati[j][x]-1)+(x*8)) == 0)
187              strip.setPixelColor((risultati[j][x]-1)+(x*8),  0, 0, 10);
188            else
189              strip.setPixelColor((risultati[j][x]-1)+(x*8),  10, 0, 10);
190          if ((x==1 or x==3 or x==5 or x==7) and j==2)
191            if  (strip.getPixelColor(((x+1)*8)-(risultati[j][x])) == 0)
192              strip.setPixelColor(((x+1)*8)-(risultati[j][x]),  0, 0, 10);
193            else
194              strip.setPixelColor(((x+1)*8)-(risultati[j][x]),  10, 0, 10);
195          strip.show();
196          Serial.print(risultati[j][x]);
197          Serial.print(", ");
198          vol.delay(1000);
199        }
200        
201      }
202      x=0;
203      orecchio = 3;
204    }
205 
206  Serial.println(x);
207  Serial.print("Ear = ");
208  Serial.println(orecchio);
209  
210} // longPressStop1
211
212void  draw(char* parola, int posx, int posy) {
213  // graphic commands to redraw the  complete screen should be placed here  
214  u8g.setFont(u8g_font_unifont);
215  //u8g.setFont(u8g_font_osb21);
216  u8g.drawStr( posx, posy, parola);
217}
218