From e9c28e8547b8380415ad9883cabb7c75614067b6 Mon Sep 17 00:00:00 2001
From: Florian Zahn <fzahn@ccc-mannheim.de>
Date: Sun, 23 Dec 2018 23:51:56 +0100
Subject: [PATCH] Inverted mode for special hardware

---
 main.lua      | 20 +++++++++++++++++---
 webpage.html  |  2 ++
 webserver.lua |  2 +-
 3 files changed, 20 insertions(+), 4 deletions(-)

diff --git a/main.lua b/main.lua
index 965268d..99f5c27 100644
--- a/main.lua
+++ b/main.lua
@@ -51,13 +51,27 @@ function displayTime()
      words = display_timestat(time.hour, time.minute)
 
      local charactersOfTime = display_countwords_de(words)
-     ledBuf = generateLEDs(words, color, color1, color2, color3, color4, 
+     local ledBuf = generateLEDs(words, color, color1, color2, color3, color4, 
 			    charactersOfTime)
      
      print("Local time : " .. time.year .. "-" .. time.month .. "-" .. time.day .. " " .. time.hour .. ":" .. time.minute .. ":" .. time.second .. " in " .. charactersOfTime .. " chars")
      
-     -- Write the buffer to the LEDs
-     ws2812.write(ledBuf)
+     --if lines 4 to 6 are inverted due to hardware-fuckup, unfuck it here
+	  if ((inv46 ~= nil) and (inv46 == "on")) then
+		  tempstring = ledBuf:sub(1,101) -- first 33 leds
+		  rowend = {44,55,66}
+		  for _, startled  in ipairs(rowend) do
+		      for i = 0,10 do
+			      tempstring = tempstring .. ledBuf:sub((startled-i)*3,(startled-i)*3+2)
+		      end
+        end		  
+	     tempstring = tempstring .. ledBuf:sub((67*3),ledBuf:len())
+     	  ws2812.write(tempstring)	
+	  else
+		  ws2812.write(ledBuf)
+	  end
+	  
+	  
     
      -- Used for debugging
      if (clockdebug ~= nil) then
diff --git a/webpage.html b/webpage.html
index 7e1dbdd..fad40f7 100644
--- a/webpage.html
+++ b/webpage.html
@@ -55,6 +55,8 @@ Please note that all settings are mandatory<br /><br />
 <tr><th>4. Minute Color</th><td><input type="color" name="colorMin4" value="$HEXCOLOR4"></td><td>Fourth minute after</td></tr>
 
 <tr><th>Three quater</th><td><input type="checkbox" name="threequater" $THREEQUATER></td><td>Dreiviertel Joa/nei</td></tr>
+<tr><th>Invert lines 4-6</th><td><input type="checkbox" name="inv46" $THREEQUATER></td><td>invert</td></tr>
+
 <tr><td colspan="3"><div align="center"><input type="submit" value="Save Configuration" onclick="this.value='Submitting ..';this.disabled='disabled'; this.form.submit();"></div></td></tr>
 <tr><td colspan="3"><div align="center"><input type="submit" name="action" value="Reboot"></div></td></tr>
 </table>
diff --git a/webserver.lua b/webserver.lua
index f9452aa..8568412 100644
--- a/webserver.lua
+++ b/webserver.lua
@@ -166,7 +166,7 @@ function startWebServer()
         sec, _ = rtctime.get()
         file.open(configFile.. ".new", "w+")
 		  file.write("-- Config\n" .. "station_cfg={}\nstation_cfg.ssid=\"" .. _POST.ssid .. "\"\nstation_cfg.pwd=\"" .. _POST.password .. "\"\nstation_cfg.save=false\nwifi.sta.config(station_cfg)\n")
-		  file.write("sntpserverhostname=\"" .. _POST.sntpserver .. "\"\n" .. "timezoneoffset=\"" .. _POST.timezoneoffset .. "\"\n")
+		  file.write("sntpserverhostname=\"" .. _POST.sntpserver .. "\"\n" .. "timezoneoffset=\"" .. _POST.timezoneoffset .. "\"\n".. "inv46=\"" .. tostring(_POST.inv46) .. "\"\n")
         
         if ( _POST.fcolor ~= nil) then
             -- color=string.char(_POST.green, _POST.red, _POST.blue)