Adding support for RM2

Author: bordaigorl

src/rmview/rmview.py

@@ -201,22 +201,24 @@ def connected(self, ssh):
     # cat /sys/devices/soc0/machine -> reMarkable 1.x
     _,out,_ = ssh.exec_command("cat /sys/devices/soc0/machine")
     rmv = out.read().decode("utf-8")
-    ver = re.fullmatch(r"reMarkable (\d+)\..*\n", rmv)
-    if ver is None or ver[1] != "1":
-      log.error("Device is unsupported: '%s' [%s]", rmv, ver[1] if ver else "unknown device")
+    version = re.fullmatch(r"reMarkable (\d+)\..*\n", rmv)
+    if version is None or version[1] not in ["1", "2"]:
+      log.error("Device is unsupported: '%s' [%s]", rmv, version[1] if version else "unknown device")
       QMessageBox.critical(None, "Unsupported device", 'The detected device is %s.\nrmView currently only supports reMarkable 1.' % rmv)
       self.quit()
       return
 
+    version = int(version[1])
+
     # check needed files are in place
-    _,out,_ = ssh.exec_command("[ -x $HOME/rM-vnc-server ] && [ -e $HOME/mxc_epdc_fb_damage.ko ]")
+    _,out,_ = ssh.exec_command("[ -x $HOME/rM-vnc-server-standalone ]")
     if out.channel.recv_exit_status() != 0:
       mbox = QMessageBox(QMessageBox.NoIcon, 'Missing components', 'Your reMarkable is missing some needed components.')
       icon = QPixmap(":/assets/problem.svg")
       icon.setDevicePixelRatio(self.devicePixelRatio())
       mbox.setIconPixmap(icon)
       mbox.setInformativeText(
-        "To work properly, rmView needs the rM-vnc-server and mxc_epdc_fb_damage.ko files "\
+        "To work properly, rmView needs the rM-vnc-server-standalone program "\
         "to be installed on your tablet.\n"\
         "You can install them manually, or let rmView do the work for you by pressing 'Auto Install' below.\n\n"\
         "If you are unsure, please consult the documentation.")
@@ -232,15 +234,11 @@ def connected(self, ssh):
         try:
           sftp = ssh.open_sftp()
           from stat import S_IXUSR
-          fo = QFile(':bin/rM-vnc-server')
-          fo.open(QIODevice.ReadOnly)
-          sftp.putfo(fo, 'rM-vnc-server')
-          fo.close()
-          sftp.chmod('rM-vnc-server', S_IXUSR)
-          fo = QFile(':bin/mxc_epdc_fb_damage.ko')
+          fo = QFile(':bin/rM%d-vnc-server-standalone' % version)
           fo.open(QIODevice.ReadOnly)
-          sftp.putfo(fo, 'mxc_epdc_fb_damage.ko')
+          sftp.putfo(fo, 'rM-vnc-server-standalone')
           fo.close()
+          sftp.chmod('rM-vnc-server-standalone', S_IXUSR)
           log.info("Installation successful!")
         except Exception as e:
           log.error('%s %s', type(e), e)
@@ -263,7 +261,7 @@ def connected(self, ssh):
     self.fbworker.signals.onFatalError.connect(self.frameError)
     self.threadpool.start(self.fbworker)
 
-    self.penworker = PointerWorker(ssh)
+    self.penworker = PointerWorker(ssh, path="/dev/input/event%d" % (version-1))
     self.threadpool.start(self.penworker)
     self.pen = self.viewer.scene.addEllipse(0,0,self.pen_size,self.pen_size,
                                             pen=QPen(QColor('white')),

src/rmview/workers.py

@@ -41,8 +41,10 @@ def vncConnectionMade(self):
     self.setEncodings([
       HEXTILE_ENCODING,
       CORRE_ENCODING,
+      PSEUDO_CURSOR_ENCODING,
       RRE_ENCODING,
       RAW_ENCODING ])
+    time.sleep(.1) # get first image without artifacts
     self.framebufferUpdateRequest()
 
   def sendPassword(self, password):
@@ -89,11 +91,11 @@ def stop(self):
     log.info("Stopping framebuffer thread...")
     reactor.callFromThread(reactor.stop)
     try:
-      self.ssh.exec_command("killall rM-vnc-server", timeout=3)
+      self.ssh.exec_command("killall rM-vnc-server-standalone", timeout=3)
     except Exception as e:
       log.warning("VNC could not be stopped on the reMarkable.")
       log.warning("Although this is not a big problem, it may consume some resources until you restart the tablet.")
-      log.warning("You can manually terminate it by running `ssh %s killall rM-vnc-server`.", self.ssh.hostname)
+      log.warning("You can manually terminate it by running `ssh %s killall rM-vnc-server-standalone`.", self.ssh.hostname)
       log.error(e)
     log.info("Framebuffer thread stopped")
 
@@ -102,7 +104,7 @@ def run(self):
     try:
       _,out,_ = self.ssh.exec_command("/sbin/insmod $HOME/mxc_epdc_fb_damage.ko")
       log.debug("Insmod returned %d", out.channel.recv_exit_status())
-      _,_,out = self.ssh.exec_command("$HOME/rM-vnc-server")
+      _,_,out = self.ssh.exec_command("$HOME/rM-vnc-server-standalone")
       log.info(next(out))
     except Exception as e:
       self.signals.onFatalError.emit(e)
@@ -133,8 +135,9 @@ class PointerWorker(QRunnable):
 
   _stop = False
 
-  def __init__(self, ssh, threshold=1000):
+  def __init__(self, ssh, path="/dev/input/event0", threshold=1000):
     super(PointerWorker, self).__init__()
+    self.event = path
     self.ssh = ssh
     self.threshold = threshold
     self.signals = PWSignals()
@@ -145,7 +148,7 @@ def stop(self):
 
   @pyqtSlot()
   def run(self):
-    penkill, penstream, _ = self.ssh.exec_command('cat /dev/input/event0 & { read ; kill %1; }')
+    penkill, penstream, _ = self.ssh.exec_command('cat %s & { read ; kill %%1; }' % self.event)
     self._penkill = penkill
     new_x = new_y = False
     state = LIFTED