263 lines
6.7 KiB
C++
263 lines
6.7 KiB
C++
//
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// wirelessly connected cloud (based on a LPWAN, called ESP-NOW)
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//
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//
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// puredata gathering @ ururu.cloud, Seoul
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//
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//
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// 2024 02 17
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//
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// this module will be an esp-now node in a group.
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// like, a bird in a group of birds.
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//
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// esp-now @ esp8266 w/ broadcast address (FF:FF:FF:FF:FF:FF)
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// always broadcasting. everyone is 'talkative'.
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//
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//============<identities>============
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#define MY_GROUP_ID (0)
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#define MY_ID (MY_GROUP_ID + 2)
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#define MY_SIGN ("POSTMAN|OSC(Pd)")
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//============</identities>============
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//============<parameters>============
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#define WIFI_CHANNEL 1
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//============</parameters>===========
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//arduino
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#include <Arduino.h>
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//message types
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#include "message.h"
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//espnow
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#include <ESP8266WiFi.h>
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#include <espnow.h>
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//task
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#include <TaskScheduler.h>
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Scheduler runner;
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//osc
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#include <OSCBundle.h>
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#include <SLIPEncodedSerial.h>
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SLIPEncodedSerial SLIPSerial(Serial);
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void swap_println(String abc) {
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Serial.flush();
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Serial.swap();
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Serial.println(abc);
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Serial.flush();
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Serial.swap();
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}
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//-*-*-*-*-*-*-*-*-*-*-*-*-
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//task #1 : osc processing
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void route_note(OSCMessage& msg, int offset) {
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//swap_println("got route_note!");
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// matches will happen in the order. that the bundle is packed.
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static Note note;
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// (1) --> /onoff
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if (msg.fullMatch("/onoff", offset)) {
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//
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note.clear();
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//
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note.onoff = msg.getFloat(0);
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// if (note.onoff != 0) note.onoff = 1;
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}
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// (2) --> /velocity
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if (msg.fullMatch("/velocity", offset)) {
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note.velocity = msg.getFloat(0);
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}
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// (3) --> /pitch
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if (msg.fullMatch("/pitch", offset)) {
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note.pitch = msg.getFloat(0);
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}
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// (4) --> /id
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if (msg.fullMatch("/id", offset)) {
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note.id = msg.getInt(0);
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}
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// (5) --> /x
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if (msg.fullMatch("/x", offset)) {
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note.x1 = msg.getFloat(0);
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note.x2 = msg.getFloat(1);
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note.x3 = msg.getFloat(2);
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note.x4 = msg.getFloat(3);
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note.ps = msg.getFloat(4);
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//
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uint8_t frm_size = sizeof(Note) + 2;
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uint8_t frm[frm_size];
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frm[0] = '[';
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memcpy(frm + 1, (uint8_t *) ¬e, sizeof(Note));
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frm[frm_size - 1] = ']';
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//
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esp_now_send(NULL, frm, frm_size); // to all peers in the list.
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//
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Serial.write(frm, frm_size);
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Serial.println(" ==(esp_now_send/0)==> ");
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//
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}
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}
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extern Task osc_task;
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void osc()
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{
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//osc
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OSCBundle bundleIN;
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int size;
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if (SLIPSerial.available()) {
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while(!SLIPSerial.endofPacket()) {
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if( (size = SLIPSerial.available()) > 0) {
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while(size--) {
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bundleIN.fill(SLIPSerial.read());
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}
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}
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}
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if(!bundleIN.hasError()) {
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// on '/note'
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bundleIN.route("/note", route_note);
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}
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}
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}
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Task osc_task(0, TASK_FOREVER, &osc, &runner, true); // -> ENABLED, at start-up.
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//*-*-*-*-*-*-*-*-*-*-*-*-*
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//task #0 : blink led
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#define LED_PERIOD (11111)
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#define LED_ONTIME (1)
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#define LED_GAPTIME (222)
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#define LED_PIN 2
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extern Task blink_task;
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void blink() {
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//
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static int count = 0;
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count++;
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//
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switch (count % 4) {
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case 0:
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digitalWrite(LED_PIN, LOW); // first ON
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blink_task.delay(LED_ONTIME);
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break;
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case 1:
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digitalWrite(LED_PIN, HIGH); // first OFF
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blink_task.delay(LED_GAPTIME);
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break;
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case 2:
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digitalWrite(LED_PIN, LOW); // second ON
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blink_task.delay(LED_ONTIME);
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break;
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case 3:
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digitalWrite(LED_PIN, HIGH); // second OFF
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blink_task.delay(LED_PERIOD - 2* LED_ONTIME - LED_GAPTIME);
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break;
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}
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}
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Task blink_task(0, TASK_FOREVER, &blink, &runner, true); // -> ENABLED, at start-up.
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// on 'receive'
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void onDataReceive(uint8_t * mac, uint8_t *incomingData, uint8_t len) {
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//
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Serial.write(incomingData, len);
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// open => identify => use.
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if (incomingData[0] == '{' && incomingData[len - 1] == '}' && len == (sizeof(Hello) + 2)) {
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Hello hello("");
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memcpy((uint8_t *) &hello, incomingData + 1, sizeof(Hello));
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//
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Serial.println(hello.to_string());
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//
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OSCMessage osc("/hello");
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osc.add(hello.id);
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osc.add(hello.h1);
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osc.add(hello.h2);
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osc.add(hello.h3);
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osc.add(hello.h4);
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//
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SLIPSerial.beginPacket();
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osc.send(SLIPSerial);
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SLIPSerial.endPacket();
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osc.empty();
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//
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}
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// open => identify => use.
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if (incomingData[0] == '[' && incomingData[len - 1] == ']' && len == (sizeof(Note) + 2)) {
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Note note;
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memcpy((uint8_t *) ¬e, incomingData + 1, sizeof(Note));
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//
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Serial.println(note.to_string());
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}
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}
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// on 'sent'
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void onDataSent(uint8_t *mac, uint8_t sendStatus) {
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char buff[256] = "";
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sprintf(buff, "Delivery failed! -> %02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
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if (sendStatus != 0) Serial.println(buff);
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}
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//
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void setup() {
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//led
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pinMode(LED_PIN, OUTPUT);
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//serial
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Serial.begin(57600);
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delay(100);
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//info
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Serial.println();
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Serial.println();
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Serial.println("\"hi, i m your postman.\"");
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Serial.println("-");
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Serial.println("- my id: " + String(MY_ID) + ", gid: " + String(MY_GROUP_ID) + ", call me ==> \"" + String(MY_SIGN) + "\"");
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Serial.println("- mac address: " + WiFi.macAddress() + ", channel: " + String(WIFI_CHANNEL));
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Serial.println("-");
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//wifi - disabled
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system_phy_set_max_tpw(0);
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WiFiMode_t node_type = WIFI_STA;
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WiFi.mode(node_type);
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//esp-now
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if (esp_now_init() != 0) {
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Serial.println("Error initializing ESP-NOW");
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return;
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}
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esp_now_set_self_role(ESP_NOW_ROLE_COMBO);
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esp_now_register_send_cb(onDataSent);
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esp_now_register_recv_cb(onDataReceive);
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//
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Serial.println("- ! (esp_now_add_peer) ==> add a 'broadcast peer' (FF:FF:FF:FF:FF:FF).");
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uint8_t broadcastmac[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
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esp_now_add_peer(broadcastmac, ESP_NOW_ROLE_COMBO, 1, NULL, 0);
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Serial.println("-");
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Serial.println("\".-.-.-. :)\"");
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Serial.println();
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// a proper say goodbye.
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Serial.println("\"bye, this 'Serial' will be occupied by SLIPSerial. find me @ Serial1 (TX only)\"");
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Serial.println("-");
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Serial.println("\".-.-.-. :)\"");
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delay(1000); // flush out unsent serial messages.
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// start SLIPSerial on Serial
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SLIPSerial.begin(57600);
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// clear out any leftover debris. (this will let LED blinking works from initialization.)
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while(SLIPSerial.available() > 0) {
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SLIPSerial.read();
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}
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}
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void loop() {
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//
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runner.execute();
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//
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}
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