335 lines
9.8 KiB
C++
335 lines
9.8 KiB
C++
// esp32 capacitive touch interface /////////////////////////////////////////////////
|
|
// rob canning 2023 /////////////////////////////////////////////////
|
|
/////////////////////////////////////////////////////////////////////
|
|
// flash mode changed to DIO !!!
|
|
// NEOPIXEL ////////////////////////////////////////////////////
|
|
#include <WS2812FX.h> // https://github.com/kitesurfer1404/WS2812FX
|
|
|
|
// On the ESP32S2 SAOLA GPIO is the NeoPixel.
|
|
#define PIN 25
|
|
//Single NeoPixel
|
|
|
|
WS2812FX ws2812fx = WS2812FX(12, PIN, NEO_GRB + NEO_KHZ800);
|
|
|
|
#define DELAYVAL 25 // Time (in milliseconds) to pause between color change
|
|
//#include <SPI.h> // Serial Peripheral Interface
|
|
|
|
// MPR121 /////////////////////////////////////////////////////
|
|
#include <Wire.h> // allows you to communicate with I2C / TWI devices
|
|
#include <Adafruit_MPR121.h>
|
|
|
|
#ifndef _BV
|
|
#define _BV(bit) (1 << (bit))
|
|
#endif
|
|
// You can have up to 4 on one i2c bus but one is enough for testing!
|
|
Adafruit_MPR121 cap0 = Adafruit_MPR121();
|
|
Adafruit_MPR121 cap1 = Adafruit_MPR121();
|
|
|
|
// Keeps track of the last pins touched
|
|
// so we know when buttons are 'released'
|
|
uint16_t lasttouched[2];
|
|
uint16_t currtouched[2];
|
|
|
|
// Wi-Fi SETTINGS /////////////
|
|
|
|
#include <WiFi.h>
|
|
const char* ssid = "zavod rizoma";
|
|
const char* password = "cermozise";
|
|
// BROADCAST TO ALL IP / port
|
|
const IPAddress castIp = IPAddress(192,168,0,255); // 255 FOR BROADCAST
|
|
const int port = 57120; // SUPERCOLLIDERS DEFAULT INCOMING OSC PORT
|
|
const unsigned int localPort = 8888; // local port to listen for UDP packets (here's where we send the packets)
|
|
|
|
bool connected = false;
|
|
#include <WiFiUdp.h>
|
|
WiFiUDP udp;
|
|
|
|
// OSC and serial communications ////////////////////////////
|
|
|
|
#define SERIAL_OSC
|
|
#define WIFI_OSC
|
|
#include <OSCBundle.h>
|
|
#include <OSCMessage.h>
|
|
#include <OSCBoards.h>
|
|
#include <OSCData.h>
|
|
|
|
/* OSC MSG channels */
|
|
OSCBundle bundle;
|
|
|
|
OSCErrorCode error;
|
|
unsigned int ledState = LOW; // LOW means led is *on*
|
|
unsigned int ledNum = 0; // LOW means led is *on*
|
|
unsigned int touchBoard = 0; // LOW means led is *on*
|
|
|
|
#ifndef BUILTIN_LED
|
|
#ifdef LED_BUILTIN
|
|
#define BUILTIN_LED LED_BUILTIN
|
|
#else
|
|
#define BUILTIN_LED 13
|
|
#endif
|
|
#endif
|
|
|
|
|
|
// SERIAL /////////////////////////////////
|
|
#ifdef BOARD_HAS_USB_SERIAL
|
|
#include <SLIPEncodedUSBSerial.h>
|
|
SLIPEncodedUSBSerial SLIPSerial( thisBoardsSerialUSB );
|
|
#else
|
|
#include <SLIPEncodedSerial.h>
|
|
SLIPEncodedSerial SLIPSerial(Serial);
|
|
#endif
|
|
|
|
|
|
///////////////////////////////////////////
|
|
|
|
byte KEYLEN = 12;
|
|
|
|
void setup() {
|
|
ws2812fx.init();
|
|
ws2812fx.setBrightness(10);
|
|
//ws2812fx.setPixelColor(11, ws2812fx.Color(0,0,0));
|
|
//
|
|
|
|
// parameters: index, start, stop, mode, color, speed, reverse
|
|
// ws2812fx.setSegment(0, 0, 11, FX_MODE_BREATH, 0xFFFFFF, 1000, false); // segment 0 is leds 0 - 9
|
|
//ws2812fx.setSegment(1, 0, 0, FX_MODE_BREATH, 0xFF0000, 300, false); // segment 1 is leds 10 - 19
|
|
//ws2812fx.setSegment(2, 6, 11, FX_MODE_BREATH, 0x0000FF, 400, true); // segment 2 is leds 20 - 29
|
|
|
|
ws2812fx.setSegment(0, 0, 11, 11, BLACK, 2000, false);
|
|
|
|
ws2812fx.start();
|
|
|
|
Serial.begin(115200);
|
|
WiFi.mode(WIFI_AP);
|
|
connectWiFi();
|
|
|
|
udp.begin(localPort); // start udp for incoming OSC messages
|
|
|
|
const String macAddress = WiFi.macAddress(); ;
|
|
|
|
// Default address is 0x5A, if tied to 3.3V its 0x5B
|
|
// If tied to SDA its 0x5C and if SCL then 0x5D
|
|
if (!cap0.begin(0x5A)) {
|
|
Serial.println("MPR121 A not found, check wiring?");
|
|
while (1);
|
|
} Serial.println("MPR121 A found!");
|
|
|
|
|
|
if (!cap1.begin(0x5C)) {
|
|
Serial.println("MPR121 B not found, check wiring?");
|
|
while (1);
|
|
} Serial.println("MPR121 B found!");
|
|
|
|
|
|
//cap0.setThreshholds(20, 6);
|
|
//cap1.setThreshholds(20, 6);
|
|
|
|
#ifdef SERIAL_OSC
|
|
SLIPSerial.begin(115200); // set this as high as you can reliably run on your platform
|
|
#endif
|
|
|
|
} // setup ends //////////////////////////////////////////////////
|
|
|
|
|
|
// MAIN LOOP /////////////////////////////////////////////////////////
|
|
|
|
int colorCount = 0;
|
|
|
|
void loop() {
|
|
rOSC();
|
|
//ws2812fx.service();
|
|
sendCapacitive(cap0, 0); // from the 121
|
|
sendCapacitive(cap1, 1); // from the 121
|
|
}
|
|
|
|
// FUNCTIONS /////////////////////////////////////////////
|
|
|
|
void connectWiFi(){
|
|
// Connect to Wi-Fi network with SSID and password
|
|
Serial.print("Connecting to ");
|
|
Serial.println(ssid);
|
|
WiFi.begin(ssid, password);
|
|
while (WiFi.status() != WL_CONNECTED) {
|
|
ws2812fx.setPixelColor(0, ws2812fx.Color(0,3,222));
|
|
delay(500);
|
|
Serial.print(".");
|
|
}
|
|
|
|
// Print local IP address and start web server
|
|
// Serial.println("");
|
|
Serial.println("WiFi connected.");
|
|
Serial.println("IP address: ");
|
|
Serial.println(WiFi.localIP());
|
|
}
|
|
|
|
//NEOPIXEL COLOUR LOGIC /////////////////////////////////////////////
|
|
|
|
uint32_t colors[] = {RED, GREEN, BLUE, YELLOW, CYAN, MAGENTA, PURPLE, ORANGE, PINK, GRAY, ULTRAWHITE, WHITE, BLACK };
|
|
|
|
void led(OSCMessage &msg) {
|
|
|
|
ledNum = msg.getInt(0); // which sensor/led
|
|
ledState = msg.getInt(1); // which state
|
|
touchBoard = msg.getInt(2); // which touch board
|
|
|
|
// increment led index based on which board input i.e. board 1 is 0-11, board 2 is 12 - 24
|
|
if (touchBoard==0){ledNum = ledNum + 0; };
|
|
if (touchBoard==1){ledNum = ledNum+12; }; // change to 12 when new strip wired! 6 for testing
|
|
|
|
switch (msg.getInt(1)) {
|
|
ws2812fx.setMode(FX_MODE_BLINK);
|
|
case 0:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
case 1:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
case 5:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
case 6:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
}
|
|
|
|
switch (msg.getInt(1)) {
|
|
ws2812fx.setMode(FX_MODE_BLINK);
|
|
case 0:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
case 1:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
case 2:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
case 3:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
case 4:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
case 5:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
case 6:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
case 7:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
case 8:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
case 9:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
case 10:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
|
|
case 11:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
case 12:
|
|
ws2812fx.setPixelColor(ledNum, colors[ledState]);
|
|
break;
|
|
ws2812fx.start();
|
|
|
|
}
|
|
|
|
//ws2812fx.start();
|
|
ws2812fx.show();
|
|
|
|
}
|
|
|
|
void flashyNeoPixel(int x){
|
|
Serial.print('asfd : ' + x);
|
|
if (x==2){
|
|
while(x==2){
|
|
ws2812fx.setPixelColor(11, ws2812fx.Color(0,222,222));
|
|
ws2812fx.show();
|
|
delay(100);
|
|
ws2812fx.setPixelColor(11, ws2812fx.Color(222,222,222));
|
|
ws2812fx.show();
|
|
delay(100);
|
|
}
|
|
}
|
|
}
|
|
|
|
void rOSC(){
|
|
//Serial.print("osc func called...");
|
|
OSCMessage msg;
|
|
int size = udp.parsePacket();
|
|
|
|
if (size > 0) {
|
|
while (size--) {
|
|
msg.fill(udp.read());
|
|
}
|
|
if (!msg.hasError()) {
|
|
msg.dispatch("/led", led);
|
|
} else {
|
|
error = msg.getError();
|
|
Serial.print("error: ");
|
|
Serial.println(error);
|
|
}
|
|
}
|
|
}
|
|
|
|
void sendCapacitive(Adafruit_MPR121 sensorboard, int index){
|
|
// Get the currently touched pads
|
|
currtouched[index] = sensorboard.touched() ;
|
|
|
|
for (uint8_t i=0; i<KEYLEN; i++) {
|
|
// it if *is* touched and *wasnt* touched before, alert!
|
|
if ((currtouched[index] & _BV(i)) && !(lasttouched[index] & _BV(i)) ) {
|
|
Serial.print(i); Serial.println(" touched");
|
|
// ws2812fx.setSegment(0, i, i, FX_MODE_STATIC, 0x0096FF, 700, false); // segment 0 is leds 0 - 9
|
|
|
|
//ledState = !ledState;
|
|
OSCMessage msg("/touch");
|
|
msg.add(WiFi.macAddress().c_str()); // mac address of sender esp32
|
|
msg.add((int32_t)i); // send which sensor (0 - 11) was touched
|
|
msg.add((int32_t)1); // 1 is for touched - below 0 is for release
|
|
msg.add((int32_t)index); // which sensor board was touched (0 - 1)
|
|
|
|
#ifdef WIFI_OSC
|
|
udp.beginPacket(castIp, port);
|
|
//bundle.send(udp);
|
|
msg.send(udp);
|
|
udp.endPacket();
|
|
#endif
|
|
|
|
String cap = "val for key num: " + String(i) + " === " + String(HIGH);
|
|
//Serial.println("OSC SENT "); Serial.println(cap);
|
|
}
|
|
// if it *was* touched and now *isnt*, alert!
|
|
if (!(currtouched[index] & _BV(i)) && (lasttouched[index] & _BV(i)) ) {
|
|
Serial.print(i); Serial.println(" released");
|
|
//ws2812fx.setSegment(0, i, i, FX_MODE_STATIC, BLACK, 800, false); // segment 0 is leds 0 - 9
|
|
//ws2812fx.setSegment(1, 0, 11, FX_MODE_BREATH, 0xFF0000, 500, false); // segment 0 is leds 0 - 9
|
|
|
|
OSCMessage msg("/touch");
|
|
msg.add(WiFi.macAddress().c_str()); // mac address of sender
|
|
msg.add((int32_t)i); // send which sensor was touched
|
|
msg.add((int32_t)0); //
|
|
msg.add((int32_t)index); // index of sensor board
|
|
|
|
#ifdef WIFI_OSC
|
|
udp.beginPacket(castIp, port);
|
|
//bundle.send(udp);
|
|
msg.send(udp);
|
|
udp.endPacket();
|
|
#endif
|
|
|
|
// String cap = "val for key num: " + String(i) + " === " + String(LOW);
|
|
// Serial.println("OSC SENT "); Serial.println(cap);
|
|
}
|
|
}
|
|
|
|
// reset our state
|
|
lasttouched[index] = currtouched[index];
|
|
// put a delay so it isn't overwhelming
|
|
delay(5);
|
|
|
|
} //////////////////
|