MSAMS example + library for Arduino UNO (ver.3) and I2C OLED

MSAMS (Microcontroller Software Application Modular Synthesizer) library + an example for direct upload to UNO.

May 16, 2022

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Components and supplies

Arduino UNO

Rotary Potentiometer, 10 kohm

USB-A to B Cable

Pushbutton Switch, Push-Pull

Graphic OLED, 128 x 64

Project description

Code

MSAMS example

arduino

Before any code is uploaded to the board, make sure MSAMSComponents and OLED_SSD1306__SSD1106-1.0.7 libraries are included into the IDE's default library path. How to use: 1. Normally open the MSAMS.ino file in your Arduino IDE in your PC or Mac 2. Check for possible errors (press the Compile Sketch Button in your IDE) 3. If all right, press Upload button to upload the code to Arduino

1#include <MSAMSComponents.h>
2#include <oled.h>
3
4/*
5*  DISCLAIMER
6*  When MSAMSComponents library is included
7*  we have to define one pointer for  each
8*  LED, Button or Potentiometer of their
9*  base class MSAMSComponent  so that we are
10*  able to configure each one (invoke void cfg()).
11*  Example:
12*  //create Button component
13*  Button b(6);
14*  
15*  //create a base (MSAMSComponent)  pointer
16*  MSAMSComponent *bs = &b;
17*  //in void setup(), configure b as:
18*  bs->cfg();
19*/
20
21bool cleared = false;
22Button b(6);
23Potentiometer  p1(A0);
24Potentiometer p2(A1);
25MSAMSComponent *bs = &b;
26MSAMSComponent *p1c  = &p1;
27MSAMSComponent *p2c = &p2;
28OLED display(
29  18,
30  19,
31  NO_RESET_PIN,
32  OLED::W_128,
33  OLED::H_64,
34  OLED::CTRL_SSD1306,
35  0x3c
36);
37
38void  setup() {
39  Serial.begin(115200);
40  bs->cfg();
41  p1c->cfg();
42  p2c->cfg();
43  display.begin();
44}
45
46void charStr(int num, OLED &display_, int x = 0,  int y = 0) {
47  String sn = String(num);
48  const int size_ = (sizeof sn / sizeof  num) + 1;
49  char getNum[size_];
50  for(int i = 0; i <= size_; i++) {
51    if(i  == size_) getNum[i] = '\\0';
52    else getNum[i] = sn[i];
53  }
54  display_.draw_string(x,  y, getNum);
55}
56
57void charLine(int num, OLED &display_, int x = 0, int y  = 0) {
58  int mn = map(num, 0, 1023, x, OLED::W_128);
59  display_.draw_line(x,  y, mn, y);
60}
61
62void loop() {
63  int bs, p1s, p2s;
64  String channelA  = "", channelB = "", channelC = "";
65  p1s = p1.getState();
66  channelA  = (String)p1s;
67  channelA = 'a' + channelA;
68  p2s = p2.getState();
69  channelB  = (String)p2s;
70  channelB = 'b' + channelB;
71  bs = b.getState();
72  channelC  = (String)bs;
73  channelC = 'c' + channelC;
74  if(bs == 1) {
75    p2s = map(p2s,  0, 1023, 0, OLED::H_64 - 12);
76    charLine(p1s, display, 0, p2s);
77    charStr(p1s,  display, 0, p2s + 4);
78    display.display();
79    display.clear();
80    cleared  = false;
81  }
82  else {
83    if(!cleared) {
84      display.clear();
85      display.display();
86      cleared = true;
87    }
88  }
89  Serial.println(channelA);
90  Serial.println(channelB);
91  Serial.println(channelC);
92  delay(30);
93}
94

#include <MSAMSComponents.h>
#include <oled.h>

/*
*  DISCLAIMER
*  When MSAMSComponents library is included
*  we have to define one pointer for  each
*  LED, Button or Potentiometer of their
*  base class MSAMSComponent  so that we are
*  able to configure each one (invoke void cfg()).
*  Example:
*  //create Button component
*  Button b(6);
*  
*  //create a base (MSAMSComponent)  pointer
*  MSAMSComponent *bs = &b;
*  //in void setup(), configure b as:
*  bs->cfg();
*/

bool cleared = false;
Button b(6);
Potentiometer  p1(A0);
Potentiometer p2(A1);
MSAMSComponent *bs = &b;
MSAMSComponent *p1c  = &p1;
MSAMSComponent *p2c = &p2;
OLED display(
  18,
  19,
  NO_RESET_PIN,
  OLED::W_128,
  OLED::H_64,
  OLED::CTRL_SSD1306,
  0x3c
);

void  setup() {
  Serial.begin(115200);
  bs->cfg();
  p1c->cfg();
  p2c->cfg();
  display.begin();
}

void charStr(int num, OLED &display_, int x = 0,  int y = 0) {
  String sn = String(num);
  const int size_ = (sizeof sn / sizeof  num) + 1;
  char getNum[size_];
  for(int i = 0; i <= size_; i++) {
    if(i  == size_) getNum[i] = '\\0';
    else getNum[i] = sn[i];
  }
  display_.draw_string(x,  y, getNum);
}

void charLine(int num, OLED &display_, int x = 0, int y  = 0) {
  int mn = map(num, 0, 1023, x, OLED::W_128);
  display_.draw_line(x,  y, mn, y);
}

void loop() {
  int bs, p1s, p2s;
  String channelA  = "", channelB = "", channelC = "";
  p1s = p1.getState();
  channelA  = (String)p1s;
  channelA = 'a' + channelA;
  p2s = p2.getState();
  channelB  = (String)p2s;
  channelB = 'b' + channelB;
  bs = b.getState();
  channelC  = (String)bs;
  channelC = 'c' + channelC;
  if(bs == 1) {
    p2s = map(p2s,  0, 1023, 0, OLED::H_64 - 12);
    charLine(p1s, display, 0, p2s);
    charStr(p1s,  display, 0, p2s + 4);
    display.display();
    display.clear();
    cleared  = false;
  }
  else {
    if(!cleared) {
      display.clear();
      display.display();
      cleared = true;
    }
  }
  Serial.println(channelA);
  Serial.println(channelB);
  Serial.println(channelC);
  delay(30);
}

MSAMS example

arduino

1#include <MSAMSComponents.h>
2#include <oled.h>
3
4/*
5*  DISCLAIMER
6*   When MSAMSComponents library is included
7*  we have to define one pointer for   each
8*  LED, Button or Potentiometer of their
9*  base class MSAMSComponent   so that we are
10*  able to configure each one (invoke void cfg()).
11*  Example:
12*   //create Button component
13*  Button b(6);
14*  
15*  //create a base (MSAMSComponent)   pointer
16*  MSAMSComponent *bs = &b;
17*  //in void setup(), configure b as:
18*   bs->cfg();
19*/
20
21bool cleared = false;
22Button b(6);
23Potentiometer   p1(A0);
24Potentiometer p2(A1);
25MSAMSComponent *bs = &b;
26MSAMSComponent *p1c   = &p1;
27MSAMSComponent *p2c = &p2;
28OLED display(
29  18,
30  19,
31  NO_RESET_PIN,
32   OLED::W_128,
33  OLED::H_64,
34  OLED::CTRL_SSD1306,
35  0x3c
36);
37
38void   setup() {
39  Serial.begin(115200);
40  bs->cfg();
41  p1c->cfg();
42  p2c->cfg();
43   display.begin();
44}
45
46void charStr(int num, OLED &display_, int x = 0,   int y = 0) {
47  String sn = String(num);
48  const int size_ = (sizeof sn / sizeof   num) + 1;
49  char getNum[size_];
50  for(int i = 0; i <= size_; i++) {
51    if(i   == size_) getNum[i] = '\\0';
52    else getNum[i] = sn[i];
53  }
54  display_.draw_string(x,   y, getNum);
55}
56
57void charLine(int num, OLED &display_, int x = 0, int y   = 0) {
58  int mn = map(num, 0, 1023, x, OLED::W_128);
59  display_.draw_line(x,   y, mn, y);
60}
61
62void loop() {
63  int bs, p1s, p2s;
64  String channelA   = "", channelB = "", channelC = "";
65  p1s = p1.getState();
66  channelA   = (String)p1s;
67  channelA = 'a' + channelA;
68  p2s = p2.getState();
69  channelB   = (String)p2s;
70  channelB = 'b' + channelB;
71  bs = b.getState();
72  channelC   = (String)bs;
73  channelC = 'c' + channelC;
74  if(bs == 1) {
75    p2s = map(p2s,   0, 1023, 0, OLED::H_64 - 12);
76    charLine(p1s, display, 0, p2s);
77    charStr(p1s,   display, 0, p2s + 4);
78    display.display();
79    display.clear();
80    cleared   = false;
81  }
82  else {
83    if(!cleared) {
84      display.clear();
85       display.display();
86      cleared = true;
87    }
88  }
89  Serial.println(channelA);
90   Serial.println(channelB);
91  Serial.println(channelC);
92  delay(30);
93}
94

#include <MSAMSComponents.h>
#include <oled.h>

/*
*  DISCLAIMER
*   When MSAMSComponents library is included
*  we have to define one pointer for   each
*  LED, Button or Potentiometer of their
*  base class MSAMSComponent   so that we are
*  able to configure each one (invoke void cfg()).
*  Example:
*   //create Button component
*  Button b(6);
*  
*  //create a base (MSAMSComponent)   pointer
*  MSAMSComponent *bs = &b;
*  //in void setup(), configure b as:
*   bs->cfg();
*/

bool cleared = false;
Button b(6);
Potentiometer   p1(A0);
Potentiometer p2(A1);
MSAMSComponent *bs = &b;
MSAMSComponent *p1c   = &p1;
MSAMSComponent *p2c = &p2;
OLED display(
  18,
  19,
  NO_RESET_PIN,
   OLED::W_128,
  OLED::H_64,
  OLED::CTRL_SSD1306,
  0x3c
);

void   setup() {
  Serial.begin(115200);
  bs->cfg();
  p1c->cfg();
  p2c->cfg();
   display.begin();
}

void charStr(int num, OLED &display_, int x = 0,   int y = 0) {
  String sn = String(num);
  const int size_ = (sizeof sn / sizeof   num) + 1;
  char getNum[size_];
  for(int i = 0; i <= size_; i++) {
    if(i   == size_) getNum[i] = '\\0';
    else getNum[i] = sn[i];
  }
  display_.draw_string(x,   y, getNum);
}

void charLine(int num, OLED &display_, int x = 0, int y   = 0) {
  int mn = map(num, 0, 1023, x, OLED::W_128);
  display_.draw_line(x,   y, mn, y);
}

void loop() {
  int bs, p1s, p2s;
  String channelA   = "", channelB = "", channelC = "";
  p1s = p1.getState();
  channelA   = (String)p1s;
  channelA = 'a' + channelA;
  p2s = p2.getState();
  channelB   = (String)p2s;
  channelB = 'b' + channelB;
  bs = b.getState();
  channelC   = (String)bs;
  channelC = 'c' + channelC;
  if(bs == 1) {
    p2s = map(p2s,   0, 1023, 0, OLED::H_64 - 12);
    charLine(p1s, display, 0, p2s);
    charStr(p1s,   display, 0, p2s + 4);
    display.display();
    display.clear();
    cleared   = false;
  }
  else {
    if(!cleared) {
      display.clear();
       display.display();
      cleared = true;
    }
  }
  Serial.println(channelA);
   Serial.println(channelB);
  Serial.println(channelC);
  delay(30);
}

MSAMS Library