change to one otg conf

README.md

@@ -51,12 +51,15 @@ echo "dtoverlay=dwc2" >> /boot/config.txt
 
 echo "libcomposite" >> /etc/modules
 
-add/change "console=tty3 quiet" to /boot/cmdline.txt
-(console=tty3 loglevel=3 vt.global_cursor_default=0 logo.nologo
+apt purge plymouth
+systemctl disable getty@tty1
+
+add/change in /boot/cmdline.txt: console=tty3 consoleblank=0 loglevel=3 vt.global_cursor_default=0
+(logo.nologo to disable the raspberry)
 
 copy everything to /opt/freezer/
 chmod a+x /opt/freezer/display.py
-add to /etc/rc.local: nohup python3 /opt/freezer/display.py &
+add to /etc/rc.local: cd /tmp && nohup python3 /opt/freezer/display.py &
 
 ### read-only root
     wget https://raw.githubusercontent.com/adafruit/Raspberry-Pi-Installer-Scripts/master/read-only-fs.sh

raspberry-environment/display.py

@@ -175,8 +175,10 @@ if __name__ == '__main__':
     os_echo(g+"functions/mass_storage.usb0/lun.0/file", "/tmp/usbdisk.img")
 
     subprocess.run(['mkdir', g+"configs/c.1"], shell=False, check=True)
-    #os_echo(g+"configs/c.1/bmAttributes", "0x80") # bus powered
+    subprocess.run(['mkdir', g+"configs/c.1/strings/0x409"], shell=False, check=True) # english
+    os_echo(g+"configs/c.1/bmAttributes", "0x80") # bus powered
     os_echo(g+"configs/c.1/MaxPower", "250")
+    os_echo(g+"configs/c.1/strings/0x409/configuration", "Storage configuration")
     subprocess.run(['ln', '-s', g+"functions/mass_storage.usb0", g+"configs/c.1"], shell=False, check=True)
 
     # config keyboard
@@ -186,15 +188,9 @@ if __name__ == '__main__':
     os_echo(g+"functions/hid.usb0/report_length", "8")
     os_echo(g+"functions/hid.usb0/report_desc", "\x05\x01\x09\x06\xa1\x01\x05\x07\x19\xe0\x29\xe7\x15\x00\x25\x01\x75\x01\x95\x08\x81\x02\x95\x01\x75\x08\x81\x03\x95\x05\x75\x01\x05\x08\x19\x01\x29\x05\x91\x02\x95\x01\x75\x03\x91\x03\x95\x06\x75\x08\x15\x00\x25\x65\x05\x07\x19\x00\x29\x65\x81\x00\xc0")
 
-    subprocess.run(['mkdir', g+"configs/c.2"], shell=False, check=True)
-    #subprocess.run(['mkdir', g+"configs/c.2/strings/0x409"], shell=False, check=True) # english
-    os_echo(g+"configs/c.2/bmAttributes", "0x80") # bus powered
-    os_echo(g+"configs/c.2/MaxPower", "250")
-    #os_echo(g+"configs/c.2/strings/0x409/configuration", "Keyboard configuration") # bus powered
-    subprocess.run(['ln', '-s', g+"functions/hid.usb0", g+"configs/c.2"], shell=False, check=True)
+    subprocess.run(['ln', '-s', g+"functions/hid.usb0", g+"configs/c.1"], shell=False, check=True)
 
-    #subprocess.run(['ln', '-s', g+"configs/c.1", g+"os_desc"], shell=False, check=True)
-    #subprocess.run(['ln', '-s', g+"configs/c.2", g+"os_desc"], shell=False, check=True)
+    subprocess.run(['ln', '-s', g+"configs/c.1", g+"os_desc"], shell=False, check=True)
     subprocess.run(['ls /sys/class/udc/ > '+g+'UDC'], shell=True, check=True)
 
     # RNDIS OS descriptors
@@ -219,7 +215,7 @@ if __name__ == '__main__':
       GPIO.output(18, GPIO.HIGH)
       GPIO.output(23, GPIO.HIGH)
       print('file changed')
-      subprocess.run(['killall', 'fim'], shell=False)
+      subprocess.run(['killall', 'fim'], shell=False, check=False)
       subprocess.run(['umount', '/mnt'], shell=False, check=False)
       subprocess.run(['mount', '-o', 'loop,ro', '-t', 'vfat', '/tmp/usbdisk.img', '/mnt'], shell=False, check=True)
 
@@ -243,11 +239,11 @@ if __name__ == '__main__':
     subprocess.run(['umount', '/mnt'], shell=False, check=False)
     os_echo(g+"UDC", "")
     time.sleep(0.5)
-    subprocess.run(['rmdir', g+"configs/c.2"], shell=False, check=True)
-    subprocess.run(['rmdir', g+"configs/c.1"], shell=False, check=True)
-    subprocess.run(['rmdir', g+"functions/mass_storage.usb0"], shell=False, check=True)
-    subprocess.run(['rmdir', g+"strings/0x409"], shell=False, check=True)
-    subprocess.run(['rmdir', g], shell=False, check=True)
+    subprocess.run(['rmdir', g+"configs/c.1/strings/0x409"], shell=False, check=False)
+    subprocess.run(['rmdir', g+"configs/c.1"], shell=False, check=False)
+    subprocess.run(['rmdir', g+"functions/mass_storage.usb0"], shell=False, check=False)
+    subprocess.run(['rmdir', g+"strings/0x409"], shell=False, check=False)
+    subprocess.run(['rmdir', g], shell=False, check=False)
     subprocess.run(['modprobe', '-r', 'usb_f_mass_storage'], shell=False, check=False)
     subprocess.run(['modprobe', '-r', 'libcomposite'], shell=False, check=False)
     sys.exit(0)