osc --> mesh done.

osc/src/main.cpp

@@ -1,19 +1,34 @@
-//arduino
+//
-#include <Arduino.h>
+// wirelessly connected cloud (Wireless Mesh Networking)
+// MIDI-like
+// spacial
+// sampler keyboard
+//
 
-//osc
+//
-#include <OSCBundle.h>
+// COSMO40 @ Incheon w/ Factory2
-#ifdef SLIP_USBSERIAL
+// RTA @ Seoul w/ Post Territory Ujeongguk
-#include <SLIPEncodedUSBSerial.h>
+//
-SLIPEncodedUSBSerial SLIPSerial(Serial);
 
-//i2c
+//
-#include <Wire.h>
+// 2019 12 11
-const int16_t I2C_ADDR = 3;
+//
-#define POST_LENGTH 32
+// (part-2) teensy35 : 'client:osc' (osc over slip --> mesh post)
-#define POST_BUFF_LEN (POST_LENGTH + 1)
+//
-//==========<protocol>==========
+// especially, MIDI-like.
-// postman's protocol
+// collect following OSC msg.
+//
+// "/note/onoff"
+// "/note/velocity"
+// "/note/key"
+//
+// and build a MIDI-like letter post.
+// and give it to the postman
+//
+
+//
+// --[post]--> "sampler"
+//
 // letter frame ( '[' + 30 bytes + ']' )
 //    : [123456789012345678901234567890]
 // 'MIDI' letter frame
@@ -25,33 +40,45 @@ const int16_t I2C_ADDR = 3;
 //      .substring(4, 7);
 //    : G - Gate (note on/off)
 //      .substring(7, 8);
-//==========</protocol>=========
+//
+
+//arduino
+#include <Arduino.h>
+
+//osc
+#include <OSCBundle.h>
+#include <SLIPEncodedUSBSerial.h>
+SLIPEncodedUSBSerial SLIPSerial(Serial);
+
+//i2c
+#include <Wire.h>
+// --[post]--> "sampler"
+#include "../../sampler/post_sampler.h"
 void receiveEvent(int howMany) {
   // nothing to expect.. but.. let's just print out..
-  while (Wire.available())
+  // while (Wire.available())
-    Serial.print(Wire.read());
+  //   Serial.print(Wire.read());
-  Serial.println();
+  // Serial.println();
 }
 // well. i don't know how fast should i be able to send msg.. to the net..
 // first test, and then.. if needed. will come back.
-bool new_letter;
+bool new_letter = false;
 char letter_outro[POST_BUFF_LEN] = "................................";
+void letter_outro_clear() {
+  // clear the letter buff
+  letter_outro[0] = '[';
+  for (int i = 1; i < POST_LENGTH-1; i++) letter_outro[i] = '.';
+  letter_outro[POST_LENGTH-1] = ']';
+}
 void requestEvent() {
-  if (random(1000) == 0) {
+  if (new_letter) {
-    Wire.write("[bcdefghabcdefghabcdefghabcdefg]"); //32 bytes
+    Wire.write(letter_outro, POST_LENGTH);
+    new_letter = false;
   } else {
     Wire.write(" "); // no letter to send
   }
 }
-
+void I2CPrint(const String & str); // for DEBUG w/ I2C
-//
-void midinote(OSCMessage &msg, int offset) {
-  // msg.match("/oncnt");
-  if (msg.match("/onoff")) {
-    msg.match("/velocity");
-    msg.match("/pitch");
-  }
-}
 
 //
 void setup() {
@@ -64,7 +91,43 @@ void setup() {
   SLIPSerial.begin(57600);
 }
 
+//
+void midinote(OSCMessage& msg, int offset) {
+  // matches will happen in the order. that the bundle is packed.
+  static int pitch = 0;
+  static int velocity = 0;
+  static int onoff = 0;
+  // (1) --> /onoff
+  if (msg.fullMatch("/onoff", offset)) {
+    //
+    pitch = 0;
+    velocity = 0;
+    onoff = 0;
+    //
+    onoff = msg.getInt(0);
+    if (onoff != 0) onoff = 1;
+  }
+  // (2) --> /velocity
+  if (msg.fullMatch("/velocity", offset)) {
+    velocity = msg.getInt(0);
+    if (velocity < 0) velocity = 0;
+    if (velocity > 127) velocity = 127;
+  }
+  // (3) --> /pitch
+  if (msg.fullMatch("/pitch", offset)) {
+    pitch = msg.getInt(0);
+    if (pitch < 0) pitch = 0;
+    if (pitch > 127) pitch = 127;
+    //
+    // while (new_letter != false) {}; // <-- sort of semaphore.. but it doesn't work yet.. buggy.
+    sprintf(letter_outro, "[%03d%03d%01d.......................]", pitch, velocity, onoff);
+    new_letter = true;
+  }
+}
+
+//
 void loop() {
+  static String str = "";
   //osc
   OSCBundle bundleIN;
   int size;
@@ -78,4 +141,28 @@ void loop() {
   if(!bundleIN.hasError()) {
     bundleIN.route("/note", midinote);
   }
+  // else {
+  //   str = "error! : " + String(bundleIN.getError());
+  //   I2CPrint(str);
+  // }
 }
+
+//==========<I2CPrint>==========
+// utility func. -> for DEBUG w/ I2C
+char buff[POST_LENGTH] = "";
+void I2CPrint(const String & str) {
+  const char * buff = str.c_str();
+  int len = str.length();
+  // while (new_letter != false) {};
+  letter_outro[0] = '[';
+  if (len > (POST_LENGTH - 2)) len = (POST_LENGTH - 2);
+  for (int i = 0; i < len; i++) {
+    letter_outro[i+1] = buff[i];
+  }
+  for (int j = len; j < (POST_LENGTH - 2); j++) {
+    letter_outro[j+1] = '_';
+  }
+  letter_outro[POST_LENGTH-1] = ']';
+  new_letter = true;
+}
+//==========</I2CPrint>=========

post.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#define I2C_ADDR 3
+#define POST_LENGTH 32
+#define POST_BUFF_LEN (POST_LENGTH + 1)

sampler/post_sampler.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "../post.h"
+
+//
+// letter frame ( '[' + 30 bytes + ']' )
+//    : [123456789012345678901234567890]
+// 'MIDI' letter frame
+//    : [123456789012345678901234567890]
+//    : [KKKVVVG.......................]
+//    : KKK - Key
+//      .substring(1, 4);
+//    : VVV - Velocity (volume/amp.)
+//      .substring(4, 7);
+//    : G - Gate (note on/off)
+//      .substring(7, 8);
+//

sampler/src/main.cpp

@@ -1,12 +1,28 @@
+//
+// wirelessly connected cloud (Wireless Mesh Networking)
+// MIDI-like
+// spacial
+// sampler keyboard
+//
+
+//
+// COSMO40 @ Incheon w/ Factory2
+// RTA @ Seoul w/ Post Territory Ujeongguk
+//
+
+//
+// 2019 12 11
+//
+// (part-3) teensy35 : 'client:sampler' (mesh post --> play sounds)
+//
+
 //HACK: let auto-poweroff speakers stay turned ON! - (creative muvo mini)
 #define IDLE_FREQ 22000
 #define IDLE_AMP 0 // --> creative muvo 2 doesn't need this. they just stay on!
 
 //i2c
 #include <Wire.h>
-#define I2C_ADDR 3
+#include "../post_sampler.h"
-#define POST_LENGTH 32
-#define POST_BUFF_LEN (POST_LENGTH + 1)
 
 //teensy audio
 #include <Audio.h>

src/main.cpp

@@ -75,9 +75,7 @@
 
 //i2c
 #include <Wire.h>
-#define I2C_ADDR 3
+#include "../post.h"
-#define POST_LENGTH 32
-#define POST_BUFF_LEN (POST_LENGTH + 1)
 
 //painlessmesh
 #include <painlessMesh.h>