From 035519b886d0e878b2ca9a5c0d5ab310e118d5c5 Mon Sep 17 00:00:00 2001
From: Felix Pankratz <mail@felixpankratz.de>
Date: Thu, 28 Dec 2023 14:47:16 +0100
Subject: [PATCH] running 37C3 build - max brightness, SSID, no SSH blinking
 (lags)

---
 platformio.ini | 27 ++++++++++++++++++---------
 src/main.cpp   | 39 ++++++++++++++++++++++++---------------
 2 files changed, 42 insertions(+), 24 deletions(-)

diff --git a/platformio.ini b/platformio.ini
index b2ac37c..ce2f230 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -1,9 +1,18 @@
-[env:adafruit_qtpy_esp32s2]
-platform = espressif32
-board = adafruit_qtpy_esp32s2
-framework = espidf, arduino
-build_flags = 
-  '-Iinclude'
-  '-DESP_IDF_LWIP_HOOK_FILENAME="lwip_hooks.h"'
-lib_deps =
-  adafruit/Adafruit NeoPixel
+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:adafruit_qtpy_esp32s2]
+platform = espressif32
+board = adafruit_qtpy_esp32s2
+framework = espidf, arduino
+build_flags = 
+	'-Iinclude'
+	'-DESP_IDF_LWIP_HOOK_FILENAME="lwip_hooks.h"'
+lib_deps = adafruit/Adafruit NeoPixel@^1.12.0
diff --git a/src/main.cpp b/src/main.cpp
index 1aac577..9929d1e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,7 +1,7 @@
 //file: main.c or main.cpp
 #include "Arduino.h"
 #include "WiFi.h"
-#include <Adafruit_Neopixel.h>
+#include <Adafruit_NeoPixel.h>
 
 #define NUMPIXELS       8
 #define PIN_NEOPIXEL_ONBOARD   39
@@ -15,8 +15,8 @@
 enum mode{Disco, Gauge};
 enum mode active_mode = Disco;
 
-char ssid[] = "MyNetwork";             // your network SSID (name)
-char pass[] = "MyPassphrase";    // your network password (use for WPA, or use as key for WEP)
+char ssid[] = "37C3-open";             // your network SSID (name)
+//char pass[] = "Amsterdamrocks!";   // your network password (use for WPA, or use as key for WEP)
 
 Adafruit_NeoPixel pixels(NUMPIXELS, PIN_NEOPIXEL, NEO_GRB + NEO_KHZ800);
 Adafruit_NeoPixel onboard_pixel(1, PIN_NEOPIXEL_ONBOARD, NEO_GRB + NEO_KHZ800);
@@ -34,6 +34,9 @@ uint32_t gauge_colors[] = {
   pixels.Color(255, 0, 0) // red
 };
 
+uint32_t last_tcp_color = pixels.Color(0,0,0);
+uint32_t last_udp_color = pixels.Color(0,0,0);
+
 void ssh_attempt() {
     printf("Someone connected to SSH!");
     pixels.fill(pixels.Color(255, 0, 0));
@@ -42,10 +45,12 @@ void ssh_attempt() {
     pixels.clear();
     pixels.show();
     delay(100);
-    pixels.fill(pixels.Color(255, 0, 0));
-    pixels.show();
-    delay(200);
-    pixels.fill(pixels.Color(0,0,0));
+    pixels.setPixelColor(4, last_udp_color);
+    pixels.setPixelColor(5, last_udp_color);
+    pixels.setPixelColor(6, last_udp_color);
+    pixels.setPixelColor(0, last_tcp_color);
+    pixels.setPixelColor(1, last_tcp_color);
+    pixels.setPixelColor(2, last_tcp_color);
     pixels.show();
 }
 
@@ -69,20 +74,22 @@ extern "C" {
             icmp_ping();
             break;
           case PROTO_TCP:
-            if (port == 22) {
-              ssh_attempt();
-            } else {
+            // if (port == 22) {
+            //  ssh_attempt();
+            // } else {
               pixels.setPixelColor(0, color);
               pixels.setPixelColor(1, color);
               pixels.setPixelColor(2, color);
               pixels.show();
-            }
+              last_tcp_color = color;
+            //}
             break;
           case PROTO_UDP:
             pixels.setPixelColor(4, color);
             pixels.setPixelColor(5, color);
             pixels.setPixelColor(6, color);
             pixels.show();
+            last_udp_color = color;
             break;
         }
       } else if (active_mode == Gauge) {
@@ -94,7 +101,7 @@ extern "C" {
             pixels.clear();
             for(int i = 0; i < num_leds; i++) {
                pixels.setPixelColor(i, gauge_colors[i]);
-            } 
+            }
             pixels.show();
             packets_received = 0;
             last_gauge_show = millis();
@@ -117,13 +124,14 @@ extern "C" void app_main()
 #endif
   pixels.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
   onboard_pixel.begin(); // INITIALIZE NeoPixel strip object (REQUIRED)
-  pixels.setBrightness(20); // not so bright
-  onboard_pixel.setBrightness(20);
+  pixels.setBrightness(255); // not so bright
+  onboard_pixel.setBrightness(50);
 
   printf("Connecting");
   onboard_pixel.fill(onboard_pixel.Color(255, 255, 0));
   onboard_pixel.show();
-  WiFi.begin(ssid, pass);
+  //WiFi.begin(ssid, pass);
+  WiFi.begin(ssid, NULL);
   while (WiFi.status() != WL_CONNECTED) {
       delay(500);
       printf(".");
@@ -134,6 +142,7 @@ extern "C" void app_main()
   printf("\nConnected!\n");
   printf("SSID: %s\n", WiFi.SSID().c_str());
   printf("IP: %s\n", WiFi.localIP().toString().c_str());
+  printf("MAC: %s", WiFi.macAddress().c_str());
 
   long last_touch = 0;