[ubuntu18.04] Update documentation + legacy: solves #2987 (#2990)

Fix for newer ubuntus

doc/sphinx/source/installation/index_installation.rst

@@ -4,7 +4,7 @@
 Installation
 =================
 
-Paparazzi is very easily installed on any laptop or workstation running the Ubuntu Linux OS or virtually any Debian based Linux. Apple Macintosh running Mac OS X system are also fairly well supported. Windows is supported through the WSL2 module (running a Linux kernel inside Windows10).
+Paparazzi is easily installed on any laptop or workstation running the Ubuntu Linux OS or virtually any Debian based Linux. Apple Macintosh running Mac OS X system are also fairly well supported. Windows is supported through the WSL2 module (running a Linux kernel inside Windows10).
 
 The steps required to install the software needed to be able to let your UAS fly are:
 
@@ -15,7 +15,7 @@ The steps required to install the software needed to be able to let your UAS fly
 
 .. note::
 
-    If you run **Ubuntu** 16.04 or higher LTS (18.04, 20.04), go to the :doc:`../quickstart/install` page to get quickly running !
+    If you run **Ubuntu** 18.04 or higher LTS (20.04, 22.04), go to the :doc:`../quickstart/install` page to get quickly running !
 
 .. toctree::
     :maxdepth: 2

doc/sphinx/source/installation/software/index_software.rst

@@ -20,7 +20,7 @@ If you don't want to work with the latest master branch (it may contain some uns
 ::
 
     cd paparazzi
-    git checkout v5.16
+    git checkout v6.2
 
 
 OS-specific instructions

doc/sphinx/source/quickstart/install.rst

@@ -11,7 +11,7 @@ Open a terminal and execute each lines below. If one fails, ask for help on gitt
 Version specific prerequisites
 ------------------------------
 
-**If you have Ubuntu 20.04:**
+**If you have Ubuntu 20.04 or 22.04:**
 
 .. code-block:: bash
 
@@ -23,6 +23,7 @@ Version specific prerequisites
 
     sudo add-apt-repository -y ppa:team-gcc-arm-embedded/ppa
     sudo apt-get install gcc-arm-embedded
+    sudo apt-get install python3-lxml python3-numpy
     sudo apt-get update
 
 Install Paparazzi
@@ -36,7 +37,7 @@ Add paparazzi apt-repository and install dependencies:
     sudo apt-get update
     sudo apt-get -f -y install paparazzi-dev paparazzi-jsbsim dfu-util pprzgcs
 
-.. note:: If you are on Ubuntu 18.04, ``pprzgcs`` is not available, just remove it from the last line.
+.. note:: If you are on Ubuntu 18.04, ``pprzgcs`` is not available, just remove it from the last line. Also launch using ``paparazzi -legacy`` mode
 
 Clone the repository: 
 

start.py

@@ -12,6 +12,7 @@ import shutil
 import datetime
 import subprocess
 import sys
+import lsb_release
 
 lib_path = os.path.normpath(os.path.join(os.path.dirname(os.path.abspath(__file__)), 'sw', 'lib', 'python'))
 sys.path.append(lib_path)
@@ -21,6 +22,12 @@ from paparazzi_health import PaparazziOverview
 
 import xml.etree.ElementTree
 
+release = lsb_release.get_distro_information()
+isLegacy = False
+if release['ID'] == 'Ubuntu':
+    if release['RELEASE'] == '18.04' or release['RELEASE'] == '16.04':
+        isLegacy = True
+
 
 class ConfChooser(object):
 
@@ -154,6 +161,9 @@ class ConfChooser(object):
         if self.btnPythonGUI.get_active():
             args += ["-python"]
 
+        if isLegacy:
+            args += ["-legacy"]
+
         self.pp = subprocess.Popen(args)
         self.window.destroy()