From 0e7415296c9b1ceeb5aeb146e83aec7d9eed519a Mon Sep 17 00:00:00 2001
From: fly <merspieler@alwaysdata.net>
Date: Mon, 9 Dec 2024 17:12:21 +0100
Subject: [PATCH] Initial commit

Signed-off-by: fly <merspieler@alwaysdata.net>
---
 .gitignore          |   2 +
 WinWingFCU.xml      | 477 ++++++++++++++++++++++++++++++++++++++++++++
 displayProtocol.xml |  50 +++++
 fcuSync.py          | 337 +++++++++++++++++++++++++++++++
 nix-shell.sh        |   2 +
 5 files changed, 868 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 WinWingFCU.xml
 create mode 100644 displayProtocol.xml
 create mode 100755 fcuSync.py
 create mode 100755 nix-shell.sh

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..3819313
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.swp
+*.swo
diff --git a/WinWingFCU.xml b/WinWingFCU.xml
new file mode 100644
index 0000000..4937b92
--- /dev/null
+++ b/WinWingFCU.xml
@@ -0,0 +1,477 @@
+<?xml version="1.0"?>
+
+<PropertyList>
+	<name type="string">Winwing WINWING FCU-320</name>
+	<debug-events type="bool">true</debug-events>
+	<nasal>
+		<open>
+			<![CDATA[
+				setprop("/winwing/spd", "100");
+				setprop("/winwing/hdg", "360");
+				setprop("/winwing/alt", "10000");
+				setprop("/winwing/vs", "----");
+
+				var updateWinwingFCUDisplay = func() {
+					if (getprop("/it-autoflight/input/spd-managed")) {
+						setprop("/winwing/spd", "---");
+					} else if (getprop("/controls/switches/annun-test")) {
+						setprop("/winwing/spd", "888");
+					} else if (getprop("/it-autoflight/input/kts-mach")) {
+						setprop("/winwing/spd", getprop("/it-autoflight/input/mach") * 1000);
+					} else {
+						setprop("/winwing/spd", getprop("/it-autoflight/input/kts"));
+					}
+					
+					if (getprop("/it-autoflight/custom/show-hdg") != true and getprop("/it-autoflight/output/lat") != 0) {
+						setprop("/winwing/hdg", "---");
+					} else if (getprop("/controls/switches/annun-test")) {
+						setprop("/winwing/hdg", "888");
+					} else {
+						setprop("/winwing/hdg", sprintf("%03.0f", getprop("/it-autoflight/input/hdg")));
+					}
+
+					if (getprop("/controls/switches/annun-test")) {
+						setprop("/winwing/alt", "88888");
+					} else {
+						setprop("/winwing/alt", sprintf("%05.0f", getprop("/it-autoflight/input/alt")));
+					}
+
+					if (getprop("/controls/switches/annun-test")) {
+						setprop("/winwing/vs", "8888");
+					} else if (getprop("/it-autoflight/output/vert") != 1 and getprop("/it-autoflight/output/vert") != 5) {
+						setprop("/winwing/vs", "----");
+					} else {
+						if (getprop("/it-autoflight/input/trk")) {
+							setprop("/winwing/vs", sprintf("%02.0f", math.abs(getprop("/it-autoflight/input/fpa")) * 10));
+						} else {
+							setprop("/winwing/vs", sprintf("%04.0f", getprop("/it-autoflight/input/vs-abs")));
+						}
+					}
+
+					var flags = "";
+					if (getprop("/controls/switches/annun-test") or getprop("/it-autoflight/input/kts-mach") == false) {
+						flags = flags ~ ",spd";
+					}
+					if (getprop("/controls/switches/annun-test") or getprop("/it-autoflight/input/kts-mach")) {
+						flags = flags ~ ",mach";
+					}
+					if (getprop("/controls/switches/annun-test") or getprop("/it-autoflight/input/spd-managed")) {
+						flags = flags ~ ",spd-mgt";
+					}
+
+					if (getprop("/controls/switches/annun-test") or getprop("/it-autoflight/output/lat") == 1 or getprop("/it-autoflight/output/lnav-armed")) {
+						flags = flags ~ ",lat";
+					}
+
+					if (getprop("/controls/switches/annun-test") or getprop("/it-autoflight/custom/trk-fpa") == false) {
+						flags = flags ~ ",hdg-vs";
+					}
+					if (getprop("/controls/switches/annun-test") or getprop("/it-autoflight/custom/trk-fpa")) {
+						flags = flags ~ ",trk-fpa";
+					}
+
+					if (getprop("/controls/switches/annun-test") or (((getprop("/it-autoflight/input/vs") >= 0 and getprop("/it-autoflight/custom/trk-fpa") == false) or (getprop("/it-autoflight/input/fpa") >= 0 and getprop("/it-autoflight/custom/trk-fpa"))) and (getprop("/it-autoflight/output/vert") == 1 or getprop("/it-autoflight/output/vert") == 5))) {
+						flags = flags ~ ",plus";
+					}
+
+					if (getprop("/controls/switches/annun-test") or getprop("/it-autoflight/output/ap1")) {
+						flags = flags ~ ",ap1";
+					}
+					if (getprop("/controls/switches/annun-test") or getprop("/it-autoflight/output/ap2")) {
+						flags = flags ~ ",ap2";
+					}
+					if (getprop("/controls/switches/annun-test") or getprop("/it-autoflight/output/athr")) {
+						flags = flags ~ ",athr";
+					}
+					if (getprop("/controls/switches/annun-test") or ((getprop("/it-autoflight/output/lat") == 2 or getprop("/it-autoflight/output/loc-arm") == 1) and getprop("/it-autoflight/output/gs-arm") == false and getprop("/it-autoflight/output/vert") != 2 and getprop("/it-autoflight/output/vert") != 6)) {
+						flags = flags ~ ",loc";
+					}
+					if (getprop("/controls/switches/annun-test") or getprop("/it-autoflight/output/gs-arm") or getprop("/it-autoflight/output/vert") == 2 or getprop("/it-autoflight/output/vert") == 6) {
+						flags = flags ~ ",appr";
+					}
+
+					setprop("/winwing/flags", flags);
+					return [0x00]; # dummy return so log doesn't get spammed anymore
+
+				};
+
+				var getButtonBrightnessReport = func(item, value) {
+					var r = [0x10, 0xBB, 0x00, 0x00, 0x00, 0x49, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00];
+					r[6] = item;
+					r[7] = int(value);
+					return r;
+				};
+				var updateWinwingFCUIntegLT = func() {
+					var value = getprop("/controls/lighting/fcu-panel-norm") * 255;
+	#				debug.dump(getButtonBrightnessReport(0x00, value));
+					return getButtonBrightnessReport(0x00, value);
+				};
+			]]>
+		</open>
+	</nasal>
+	<hid-descriptor>
+		<report>
+			<type>input</type>
+			<id>1</id>
+			<button-1>
+				<size  type="int">1</size>
+				<count type="int">128</count>
+			</button-1>
+			<unused-bits><size type="int">176</size></unused-bits>
+		</report>
+		<report>
+			<type>input</type>
+			<id>2</id>
+			<dummy-1>
+				<size  type="int">8</size>
+				<count type="int">13</count>
+			</dummy-1>
+			<unused-bits><size type="int">0</size></unused-bits>
+		</report>
+		<report>
+			<type>output</type>
+			<id>2</id>
+			<display-0>
+				<size  type="int">104</size>
+				<count type="int">1</count>
+			</display-0>
+			<unused-bits><size type="int">0</size></unused-bits>
+		</report>
+		<report>
+			<type>input</type>
+			<id>240</id>
+			<dummy2-1>
+				<size  type="int">8</size>
+				<count type="int">63</count>
+			</dummy2-1>
+			<unused-bits><size type="int">0</size></unused-bits>
+		</report>
+		<report>
+			<type>output</type>
+			<id>240</id>
+			<display2-0>
+				<size  type="int">8</size>
+				<count type="int">63</count>
+			</display2-0>
+			<unused-bits><size type="int">0</size></unused-bits>
+		</report>
+	</hid-descriptor>
+	<report>
+		<report-id type="int">2</report-id>
+		<type>output</type>
+		<watch>/controls/lighting/fcu-panel-norm</watch>
+		<nasal-function>updateWinwingFCUIntegLT</nasal-function>
+	</report>
+	<report>
+		<report-id type="int">2</report-id>
+		<type>output</type>
+		<watch>/it-autoflight/input/kts-mach</watch>
+		<watch>/it-autoflight/input/kts</watch>
+		<watch>/it-autoflight/input/mach</watch>
+		<watch>/it-autoflight/input/hdg</watch>
+		<watch>/it-autoflight/input/alt</watch>
+		<watch>/it-autoflight/output/vs-fcu-display</watch>
+		<watch>/controls/switches/annun-test</watch>
+		<nasal-function>updateWinwingFCUDisplay</nasal-function>
+	</report>
+	<!--report>
+		<type>feature</type>
+		<watch>/controls/lighting/fcu-digit-norm</watch>
+		<nasal-function>updateWinwingFCUDisplayBrightness</nasal-function>
+	</report-->
+	<event>
+		<name>button-1</name>
+		<desc type="string">IAS/Mach</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.IASMach();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-2</name>
+		<desc type="string">LOC</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.LOCButton();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-3</name>
+		<desc type="string">Track/Fligtht Path Angle</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.TRKFPA();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-4</name>
+		<desc type="string">Autopilot 1</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.AP1();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-5</name>
+		<desc type="string">Autopilot 2</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.AP2();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-6</name>
+		<desc type="string">Autothrust</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.ATHR();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-7</name>
+		<desc type="string">Expedite</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-8</name>
+		<desc type="string">Metric ALT</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.MetricAlt();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-9</name>
+		<desc type="string">Approach</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.APPRButton();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-10</name>
+		<desc type="string">Speed decrease</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.SPDAdjust(-1);
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-11</name>
+		<desc type="string">Speed increase</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.SPDAdjust(1);
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-12</name>
+		<desc type="string">Speed Push</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.SPDPush();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-13</name>
+		<desc type="string">Speed Pull</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.SPDPull();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-14</name>
+		<desc type="string">Heading decrease</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.HDGAdjust(-1);
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-15</name>
+		<desc type="string">Heading increase</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.HDGAdjust(1);
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-16</name>
+		<desc type="string">Heading push</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.HDGPush();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-17</name>
+		<desc type="string">Heading pull</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.HDGPull();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-18</name>
+		<desc type="string">Altitude decrease</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.ALTAdjust(-1);
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-19</name>
+		<desc type="string">Altitude increase</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.ALTAdjust(1);
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-20</name>
+		<desc type="string">Altitude Push</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.ALTPush();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-21</name>
+		<desc type="string">Altitude pull</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.ALTPull();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-22</name>
+		<desc type="string">Vertical Speed decrease</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.VSAdjust(-1);
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-23</name>
+		<desc type="string">Vertical Speed increase</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.VSAdjust(1);
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-24</name>
+		<desc type="string">Vertical Speed push</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.VSPush();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-25</name>
+		<desc type="string">Vertical Speed pull</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command type="string">nasal</command>
+			<script>
+				fcu.FCUController.VSPull();
+			</script>
+		</binding>
+	</event>
+	<event>
+		<name>button-26</name>
+		<desc type="string">Altitude mode 100</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command>property-assign</command>
+			<property>it-autoflight/config/altitude-dial-mode</property>
+			<value>0</value>
+		</binding>
+	</event>
+	<event>
+		<name>button-27</name>
+		<desc type="string">Altitude mode 1000</desc>
+		<repeatable type="string">false</repeatable>
+		<binding>
+			<command>property-assign</command>
+			<property>it-autoflight/config/altitude-dial-mode</property>
+			<value>1</value>
+		</binding>
+	</event>
+</PropertyList>
diff --git a/displayProtocol.xml b/displayProtocol.xml
new file mode 100644
index 0000000..bed290f
--- /dev/null
+++ b/displayProtocol.xml
@@ -0,0 +1,50 @@
+<?xml version="1.0"?>
+<PropertyList>
+	<generic>
+		<output>
+			<binary_mode>false</binary_mode>
+			<var_separator>,</var_separator>
+			<chunk>
+				<format>d</format>
+			</chunk>
+			<chunk>
+				<node>/winwing/spd</node>
+				<type>string</type>
+				<format>%s</format>
+			</chunk>
+			<chunk>
+				<node>/winwing/hdg</node>
+				<type>string</type>
+				<format>%s</format>
+			</chunk>
+			<chunk>
+				<node>/winwing/alt</node>
+				<type>string</type>
+				<format>%s</format>
+			</chunk>
+			<chunk>
+				<node>/winwing/vs</node>
+				<type>string</type>
+				<format>%s</format>
+			</chunk>
+			<chunk>
+				<node>/controls/lighting/fcu-panel-norm</node>
+				<type>float</type>
+				<format>%01.2f</format>
+			</chunk>
+			<chunk>
+				<node>/controls/lighting/fcu-digit-norm</node>
+				<type>float</type>
+				<format>%01.2f</format>
+			</chunk>
+			<chunk>
+				<node>/winwing/flags</node>
+				<type>string</type>
+				<format>%s</format>
+			</chunk>
+			<chunk>
+				<format>d</format>
+			</chunk>
+		</output>
+	</generic>
+</PropertyList>
diff --git a/fcuSync.py b/fcuSync.py
new file mode 100755
index 0000000..34777a4
--- /dev/null
+++ b/fcuSync.py
@@ -0,0 +1,337 @@
+#! /usr/bin/env python3
+
+from dataclasses import dataclass
+import time
+import os
+import sys
+import socket
+
+from enum import Enum
+
+import hid
+
+hidraw_path = ""
+for device in hid.enumerate():
+	if device["vendor_id"] == 0x4098 and device["product_id"] == 0xbb10:
+		hidraw_path = device["path"]
+
+if hidraw_path == "":
+	print("Unable to find FCU device")
+	sys.exit(1)
+
+class Leds(Enum):
+	BACKLIGHT = 0 # 0 .. 255
+	SCREEN_BACKLIGHT = 1 # 0 .. 255
+	LOC_GREEN = 3 # all on/off
+	AP1_GREEN = 5
+	AP2_GREEN = 7
+	ATHR_GREEN = 9
+	EXPED_GREEN = 11
+	APPR_GREEN = 13
+	FLAG_GREEN = 17 # 0 .. 255
+	EXPED_YELLOW = 30 # 0 .. 255
+
+#	  A
+#	  ---
+#   F | G | B
+#	  ---
+#   E |   | C
+#	  ---
+#	   D
+# A=0x80, B=0x40, C=0x20, D=0x10, E=0x02, F=0x08, G=0x04
+# Bits are valid for Speed display only, all other share bits in 2 databyte per lcd 7-segment display.
+# Use function data_from_string_swapped to recalculate values
+representations = {
+	'0' : 0xfa,
+	'1' : 0x60,
+	'2' : 0xd6,
+	'3' : 0xf4,
+	'4' : 0x6c,
+	'5' : 0xbc,
+	'6' : 0xbe,
+	'7' : 0xe0,
+	'8' : 0xfe,
+	'9' : 0xfc,
+	'A' : 0xee,
+	'B' : 0xfe,
+	'C' : 0x9a,
+	'D' : 0x76,
+	'E' : 0x9e,
+	'F' : 0x8e,
+	'G' : 0xbe,
+	'H' : 0x6e,
+	'I' : 0x60,
+	'J' : 0x70,
+	'K' : 0x0e,
+	'L' : 0x1a,
+	'M' : 0xa6,
+	'N' : 0x26,
+	'O' : 0xfa,
+	'P' : 0xce,
+	'Q' : 0xec,
+	'R' : 0x06,
+	'S' : 0xbc,
+	'T' : 0x1e,
+	'U' : 0x7a,
+	'V' : 0x32,
+	'W' : 0x58,
+	'X' : 0x6e,
+	'Y' : 0x7c,
+	'Z' : 0xd6,
+	'-' : 0x04,
+	'#' : 0x36,
+	'/' : 0x60,
+	'\\' : 0xa0,
+	' ' : 0x00,
+}
+
+class Byte(Enum):
+	H0 = 0
+	H3 = 1
+	A0 = 2
+	A1 = 3
+	A2 = 4
+	A3 = 5
+	A4 = 6
+	A5 = 7
+	V2 = 8
+	V3 = 9
+	V0 = 10
+	V1 = 11
+	S1 = 12
+
+
+
+@dataclass
+class Flag:
+	name : str
+	byte : Byte
+	mask : int
+	value : bool = False
+
+
+flags = dict([("spd", Flag('spd-mach_spd', Byte.H3, 0x08, True)),
+			  ("mach", Flag('spd-mach_mach', Byte.H3, 0x04)),
+			  ("hdg", Flag('hdg-trk-lat_hdg', Byte.H0, 0x80)),
+			  ("trk", Flag('hdg-trk-lat_trk', Byte.H0, 0x40)),
+			  ("lat", Flag('hdg-trk-lat_lat', Byte.H0, 0x20, True)),
+			  ("vshdg", Flag('hdg-v/s_hdg', Byte.A5, 0x08, True)),
+			  ("vs", Flag('hdg-v/s_v/s', Byte.A5, 0x04, True)),
+			  ("ftrk", Flag('trk-fpa_trk', Byte.A5, 0x02)),
+			  ("ffpa", Flag('trk-fpa_fpa', Byte.A5, 0x01)),
+			  ("alt", Flag('alt', Byte.A4, 0x10, True)),
+			  ("hdg_managed", Flag('hdg managed', Byte.H0, 0x10)),
+			  ("spd_managed", Flag('spd managed', Byte.H3, 0x02)),
+			  ("alt_managed", Flag('alt_managed', Byte.V1, 0x10)),
+			  ("vs_horz", Flag('v/s plus horizontal', Byte.A0, 0x10, True)),
+			  ("vs_vert", Flag('v/s plus vertical', Byte.V2, 0x10)),
+			  ("lvl", Flag('lvl change', Byte.A2, 0x10, True)),
+			  ("lvl_left", Flag('lvl change left', Byte.A3, 0x10, True)),
+			  ("lvl_right", Flag('lvl change right', Byte.A1, 0x10, True)),
+			  ("fvs", Flag('v/s-fpa_v/s', Byte.V0, 0x40, True)),
+			  ("ffpa2", Flag('v/s-fpa_fpa', Byte.V0, 0x80)),
+			  ("fpa_comma", Flag('fpa_comma', Byte.V3, 0x10)),
+			  ("mach_comma", Flag('mach_comma', Byte.S1, 0x01)),
+			  ])
+
+
+def swap_nibbles(x):
+	return ( (x & 0x0F)<<4 | (x & 0xF0)>>4 )
+
+
+def winwing_fcu_set_led(led, brightness):
+	data = [0x02, 0x10, 0xbb, 0, 0, 3, 0x49, led.value, brightness, 0,0,0,0,0]
+	cmd = bytes(data)
+	send_data_to_hidraw(cmd)
+
+
+def lcd_init():
+	data = [0xf0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0] # init packet
+	cmd = bytes(data)
+	send_data_to_hidraw(cmd)
+
+
+def data_from_string(num_7segments, string):
+
+	l = num_7segments
+	d = [0] * (l)
+	for i in range(min(l, len(string))):
+		r = representations.get(string.upper()[i])
+		if r == None:
+			r = 0xef
+			print("ERROR: char '{string.upper()[i]}' not found")
+		d[l-1-i] = r
+	return d
+
+
+def data_from_string_swapped(num_7segments, string): # some 7-segemnts have wired mapping, correct ist here
+	# return array with one byte more than lcd chars
+
+	l = num_7segments
+
+	d = data_from_string(l, string)
+	d.append(0)
+
+	# fix wired segment mapping special elements such at the bars at the LVL/CH
+	for i in range(len(d)):
+		d[i] = swap_nibbles(d[i])
+	for i in range(0, len(d) - 1):
+		d[l-i] = (d[l-i] & 0x0f) | (d[l-1-i] & 0xf0)
+		d[l-1-i] = d[l-1-i] & 0x0f
+
+	return d
+
+
+def winwing_fcu_lcd_set(speed, heading, alt,vs, new):
+	s = data_from_string( 3, str(speed))
+	h = data_from_string_swapped(3, str(heading))
+	a = data_from_string_swapped(5, str(alt))
+	v = data_from_string_swapped(4, str(vs))
+
+	bl = [0] * len(Byte)
+	for f in flags:
+		bl[flags[f].byte.value] |= (flags[f].mask * flags[f].value)
+
+	pkg_nr = 1
+	data = [0xf0, 0x0, pkg_nr, 0x31, 0x10, 0xbb, 0x0, 0x0, 0x2, 0x1, 0x0, 0x0, 0xff, 0xff, 0x2, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, s[2], s[1], s[0], h[3] | bl[Byte.H3.value], h[2], h[1], h[0] | bl[Byte.H0.value], a[5] | bl[Byte.A5.value], a[4] | bl[Byte.A4.value], a[3] | bl[Byte.A3.value], a[2] | bl[Byte.A2.value], a[1] | bl[Byte.A1.value], a[0] | v[4] | bl[Byte.A0.value], v[3] | bl[Byte.V3.value], v[2] | bl[Byte.V2.value], v[1] | bl[Byte.V1.value], v[0] | bl[Byte.V0.value], 0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]
+	cmd = bytes(data)
+	send_data_to_hidraw(cmd)
+
+	data = [0xf0, 0x0, pkg_nr, 0x11, 0x10, 0xbb, 0x0, 0x0, 0x3, 0x1, 0x0, 0x0, 0xff, 0xff, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]
+	cmd = bytes(data)
+	send_data_to_hidraw(cmd)
+
+def send_data_to_hidraw(data):
+	global hidraw_path
+	try:
+		# Open the HIDRAW device
+		hidraw = os.open(hidraw_path, os.O_RDWR | os.O_NONBLOCK)
+
+		# Write data to the HIDRAW device
+		os.write(hidraw, bytes(data))
+
+#		print("Data sent successfully to HIDRAW device.")
+
+		# Close the HIDRAW device
+		os.close(hidraw)
+	except Exception as e:
+		print("Error:", e)
+
+
+lcd_init()
+
+speed = 100
+heading = 360
+alt = 10000
+vs = '----'
+
+
+winwing_fcu_set_led(Leds.BACKLIGHT, 70)
+winwing_fcu_set_led(Leds.EXPED_YELLOW, 70)
+winwing_fcu_set_led(Leds.SCREEN_BACKLIGHT, 200)
+winwing_fcu_lcd_set(speed, heading, alt, vs, 0x0)
+
+s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+s.bind(('', 12000))
+try:
+	while True:
+		message, address = s.recvfrom(1024)
+		print(message)
+		items = str(message).split(",")
+		winwing_fcu_lcd_set(items[1], items[2], items[3], items[4], 0x0)
+		winwing_fcu_set_led(Leds.BACKLIGHT, int(float(items[5]) * 255))
+		winwing_fcu_set_led(Leds.EXPED_YELLOW, int(float(items[5]) * 255))
+		winwing_fcu_set_led(Leds.SCREEN_BACKLIGHT, int(float(items[6]) * 255))
+
+		if "spd" in items:
+			flags["spd"].value = True
+		else:
+			flags["spd"].value = False
+		if "mach" in items:
+			flags["mach"].value = True
+			flags["mach_comma"].value = True
+		else:
+			flags["mach"].value = False
+			flags["mach_comma"].value = False
+		if "spd-mgt" in items:
+			flags["spd_managed"].value = True
+		else:
+			flags["spd_managed"].value = False
+
+		if "lat" in items:
+			flags["lat"].value = True
+			flags["hdg_managed"].value = True
+		else:
+			flags["lat"].value = False
+			flags["hdg_managed"].value = False
+
+		if "hdg-vs" in items:
+			flags["hdg"].value = True
+			flags["vshdg"].value = True
+			flags["vs"].value = True
+			flags["fvs"].value = True
+		else:
+			flags["hdg"].value = False
+			flags["vshdg"].value = False
+			flags["vs"].value = False
+			flags["fvs"].value = False
+		if "trk-fpa" in items:
+			flags["trk"].value = True
+			flags["ftrk"].value = True
+			flags["ffpa"].value = True
+			flags["ffpa2"].value = True
+			if items[4] != "----":
+				flags["fpa_comma"].value = True
+			else:
+				flags["fpa_comma"].value = False
+		else:
+			flags["trk"].value = False
+			flags["ftrk"].value = False
+			flags["ffpa"].value = False
+			flags["ffpa2"].value = False
+			flags["fpa_comma"].value = False
+
+		if "plus" in items:
+			flags["vs_vert"].value = True
+		else:
+			flags["vs_vert"].value = False
+		
+		if "ap1" in items:
+			winwing_fcu_set_led(Leds.AP1_GREEN, 1)
+		else:
+			winwing_fcu_set_led(Leds.AP1_GREEN, 0)
+		if "ap2" in items:
+			winwing_fcu_set_led(Leds.AP2_GREEN, 1)
+		else:
+			winwing_fcu_set_led(Leds.AP2_GREEN, 0)
+		if "athr" in items:
+			winwing_fcu_set_led(Leds.ATHR_GREEN, 1)
+		else:
+			winwing_fcu_set_led(Leds.ATHR_GREEN, 0)
+		if "loc" in items:
+			winwing_fcu_set_led(Leds.LOC_GREEN, 1)
+		else:
+			winwing_fcu_set_led(Leds.LOC_GREEN, 0)
+		if "appr" in items:
+			winwing_fcu_set_led(Leds.APPR_GREEN, 1)
+		else:
+			winwing_fcu_set_led(Leds.APPR_GREEN, 0)
+
+
+except KeyboardInterrupt:
+	s.close()
+
+#while True:
+#	buf_in = [None] * 7
+#	winwing_fcu_set_led(Leds.AP1_GREEN, 1)
+#	winwing_fcu_set_led(Leds.AP2_GREEN, 0)
+#	winwing_fcu_lcd_set(speed, heading, alt, vs, 0x0)
+#	speed = speed + 1
+#	heading = heading + 3
+#	if heading > 360:
+#		heading = 0
+#	time.sleep(0.5)
+#	winwing_fcu_set_led(Leds.AP1_GREEN, 0)
+#	winwing_fcu_set_led(Leds.AP2_GREEN, 1)
+#	winwing_fcu_lcd_set(speed, heading, alt, vs, 0xff)
+#	time.sleep(0.5)
diff --git a/nix-shell.sh b/nix-shell.sh
new file mode 100755
index 0000000..a6adb30
--- /dev/null
+++ b/nix-shell.sh
@@ -0,0 +1,2 @@
+#! /usr/bin/env bash
+nix-shell -p "python311.withPackages (ps: with ps; [ hidapi ])"