add 'node' code base | fix well

node/main/libraries

@@ -0,0 +1 @@
+../../libraries

node/main/main.ino

@@ -0,0 +1,27 @@
+#include <Wire.h>
+#include <XBee.h>
+#include "protocol.h"
+#include <LiquidCrystal_I2C.h>
+
+// Peripherals
+LiquidCrystal_I2C screen(0x27, 16, 2);
+XBee xbee = XBee();
+
+// ACTUAL DATA
+uint8_t wave_id     = 255; // last wave
+uint8_t dist        = 255; // actual distance
+struct discover dsc = {0,0,0};
+struct message msg  = {1, dist, 0, 0, {}};
+
+void setup() {
+  Serial.begin(38400);
+  Serial.println("+ ready");
+
+  screen.begin();
+  screen.backlight();
+
+  xbee.setSerial(Serial1);
+  Serial1.begin(38400);
+}
+
+void loop() {}

node/main/protocol.h

@@ -0,0 +1 @@
+../../protocol.h

well/main/main.ino

@@ -3,6 +3,7 @@
 #include "protocol.h"
 #include <LiquidCrystal_I2C.h>
 
+#define WAVE_TIMEOUT 5000
 
 // Peripherals
 LiquidCrystal_I2C screen(0x27, 16, 2);