From 60fd193b358815b2f98c5efafcd84db1eb858361 Mon Sep 17 00:00:00 2001
From: Nis Wechselberg <enbewe@enbewe.de>
Date: Tue, 31 Oct 2017 15:27:40 +0100
Subject: [PATCH] Added Sketch for WS2812 Network Utilization Stips

---
 .../Uno-WS2812-Network-Utilization.ino        | 64 +++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 Uno-WS2812-Network-Utilization/Uno-WS2812-Network-Utilization.ino

diff --git a/Uno-WS2812-Network-Utilization/Uno-WS2812-Network-Utilization.ino b/Uno-WS2812-Network-Utilization/Uno-WS2812-Network-Utilization.ino
new file mode 100644
index 0000000..9e80312
--- /dev/null
+++ b/Uno-WS2812-Network-Utilization/Uno-WS2812-Network-Utilization.ino
@@ -0,0 +1,64 @@
+#include <Adafruit_NeoPixel.h>
+#include <avr/power.h>
+
+#define PIN_RX 10
+#define PIN_TX 11
+#define PIXELS 24
+
+// Prepare two independent strips for rx data and tx data
+Adafruit_NeoPixel strip_rx = Adafruit_NeoPixel(PIXELS, PIN_RX, NEO_GRB + NEO_KHZ800);
+Adafruit_NeoPixel strip_tx = Adafruit_NeoPixel(PIXELS, PIN_TX, NEO_GRB + NEO_KHZ800);
+
+void setup() {
+  // Initialize both strips to off
+  strip_rx.begin(); strip_rx.show();
+  strip_tx.begin(); strip_tx.show();
+
+  // Initialize serial port to 115200 baud
+  Serial.begin(115200);
+}
+
+void loop() {
+  if (Serial.available() >= 3) {
+    byte b = Serial.read();
+    if (b == 0xFF) {
+      // Read next two bytes as rx and tx rate
+      byte rxrate = Serial.read();
+      byte txrate = Serial.read();
+
+      if (rxrate <= 100 && txrate <= 100) {
+        showPercentage_rx(strip_rx.Color(0, 0, 255), rxrate);
+        showPercentage_tx(strip_tx.Color(255, 0, 0), txrate);
+      }
+    }
+  }
+  delay(10);
+}
+
+void showPercentage_tx(uint32_t c, uint8_t perc) {
+  char lastPixel = (PIXELS * perc) / 100;
+  char i = 0;
+  while(i < lastPixel) {
+    strip_tx.setPixelColor(i, c);
+    ++i;
+  }
+  while (i < PIXELS) {
+    strip_tx.setPixelColor(i, 0);
+    ++i;
+  }
+  strip_tx.show();
+}
+
+void showPercentage_rx(uint32_t c, uint8_t perc) {
+  char lastPixel = (PIXELS * perc) / 100;
+  char i = 0;
+  while(i < lastPixel) {
+    strip_rx.setPixelColor(i, c);
+    ++i;
+  }
+  while (i < PIXELS) {
+    strip_rx.setPixelColor(i, 0);
+    ++i;
+  }
+  strip_rx.show();
+}