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--- xpl_happy_pedals [2015/09/03 21:38] – vytvořeno djbuldog
+++ xpl_happy_pedals [2025/08/28 10:09] (aktuální) – upraveno mimo DokuWiki 127.0.0.1
@@ Řádek 6: / Řádek 6: @@
     * https://www.kernel.org/doc/Documentation/input/input.txt
     * https://www.kernel.org/doc/Documentation/input/event-codes.txt
-  *
+  * vyžaduje oprávnění na eventX
+    * stačí chmod o+r
+    * machři to dělají přes udev rule
+  * eventX lze identifikovat podle id nebo path, podle id takto:
+<code>
+Pharaon:/dev/input/by-id# ls -la /dev/input/by-id/
+celkem 0
+drwxr-xr-x 2 root root 240 zář  3 21:04 .
+drw-rw-r-x 4 root root 320 zář  3 20:49 ..
+lrwxrwxrwx 1 root root   9 zář  3 20:49 usb-Arduino_LLC_Arduino_Leonardo-event-if02 -> ../event7
+lrwxrwxrwx 1 root root   9 zář  3 19:47 usb-Logitech_Gaming_Mouse_G300-event-mouse -> ../event2
+lrwxrwxrwx 1 root root   9 zář  3 19:47 usb-Logitech_Gaming_Mouse_G300-if01-event-kbd -> ../event3
+lrwxrwxrwx 1 root root   9 zář  3 19:47 usb-Logitech_Gaming_Mouse_G300-mouse -> ../mouse0
+lrwxrwxrwx 1 root root   9 zář  3 19:47 usb-Logitech_Logitech_Extreme_3D-event-joystick -> ../event6
+lrwxrwxrwx 1 root root   6 zář  3 19:47 usb-Logitech_Logitech_Extreme_3D-joystick -> ../js0
+lrwxrwxrwx 1 root root   9 zář  3 19:47 usb-Logitech_USB_Keyboard-event-if01 -> ../event5
+lrwxrwxrwx 1 root root   9 zář  3 19:47 usb-Logitech_USB_Keyboard-event-kbd -> ../event4
+</code>
+===== lsinput =====
+<code>
+/dev/input/event6
+   bustype : BUS_USB
+   vendor  : 0x46d
+   product : 0xc215
+   version : 272
+   name    : "Logitech Logitech Extreme 3D"
+   phys    : "usb-0000:00:14.0-4/input0"
+   uniq    : ""
+   bits ev : EV_SYN EV_KEY EV_ABS EV_MSC
+/dev/input/event7
+   bustype : BUS_USB
+   vendor  : 0x2341
+   product : 0x8036
+   version : 257
+   name    : "Arduino LLC Arduino Leonardo"
+   phys    : "usb-0000:00:1a.0-1.4/input2"
+   uniq    : ""
+   bits ev : EV_SYN EV_KEY EV_ABS EV_M
+</code>
+===== evtest =====
+  * eventX lze číst přes evtest nástroj
+  * příklad logitech:
+<code>
+Pharaon:/dev/input/by-id# evtest /dev/input/event6
+Input driver version is 1.0.1
+Input device ID: bus 0x3 vendor 0x46d product 0xc215 version 0x110
+Input device name: "Logitech Logitech Extreme 3D"
+Supported events:
+  Event type 0 (EV_SYN)
+  Event type 1 (EV_KEY)
+    Event code 288 (BTN_TRIGGER)
+    Event code 289 (BTN_THUMB)
+    Event code 290 (BTN_THUMB2)
+    Event code 291 (BTN_TOP)
+    Event code 292 (BTN_TOP2)
+    Event code 293 (BTN_PINKIE)
+    Event code 294 (BTN_BASE)
+    Event code 295 (BTN_BASE2)
+    Event code 296 (BTN_BASE3)
+    Event code 297 (BTN_BASE4)
+    Event code 298 (BTN_BASE5)
+    Event code 299 (BTN_BASE6)
+  Event type 3 (EV_ABS)
+    Event code 0 (ABS_X)
+      Value    508
+      Min        0
+      Max     1023
+      Fuzz       3
+      Flat      63
+    Event code 1 (ABS_Y)
+      Value    516
+      Min        0
+      Max     1023
+      Fuzz       3
+      Flat      63
+    Event code 5 (ABS_RZ)
+      Value    128
+      Min        0
+      Max      255
+      Flat      15
+    Event code 6 (ABS_THROTTLE)
+      Value    213
+      Min        0
+      Max      255
+      Flat      15
+    Event code 16 (ABS_HAT0X)
+      Value      0
+      Min       -1
+      Max        1
+    Event code 17 (ABS_HAT0Y)
+      Value      0
+      Min       -1
+      Max        1
+  Event type 4 (EV_MSC)
+    Event code 4 (MSC_SCAN)
+Properties:
+Testing ... (interrupt to exit)
+</code>
+  * happy pedals
+<code>
+Pharaon:/dev/input/by-id# evtest /dev/input/event7
+Input driver version is 1.0.1
+Input device ID: bus 0x3 vendor 0x2341 product 0x8036 version 0x101
+Input device name: "Arduino LLC Arduino Leonardo"
+Supported events:
+  Event type 0 (EV_SYN)
+  Event type 1 (EV_KEY)
+    Event code 288 (BTN_TRIGGER)
+    Event code 289 (BTN_THUMB)
+  Event type 3 (EV_ABS)
+    Event code 2 (ABS_Z)
+      Value    480
+      Min        0
+      Max     1023
+      Fuzz       3
+      Flat      63
+    Event code 3 (ABS_RX)
+      Value     20
+      Min        0
+      Max     1023
+      Fuzz       3
+      Flat      63
+    Event code 4 (ABS_RY)
+      Value     23
+      Min        0
+      Max     1023
+      Fuzz       3
+      Flat      63
+  Event type 4 (EV_MSC)
+    Event code 4 (MSC_SCAN)
+Properties:
+Testing ... (interrupt to exit)
+</code>
+===== lsusb =====
+<code>
+Bus 001 Device 003: ID 046d:c215 Logitech, Inc. Extreme 3D Pro
+Device Descriptor:
+  bLength                18
+  bDescriptorType         1
+  bcdUSB               1.10
+  bDeviceClass            0 (Defined at Interface level)
+  bDeviceSubClass         0
+  bDeviceProtocol         0
+  bMaxPacketSize0         8
+  idVendor           0x046d Logitech, Inc.
+  idProduct          0xc215 Extreme 3D Pro
+  bcdDevice            2.04
+  iManufacturer           1
+  iProduct                2
+  iSerial                 0
+  bNumConfigurations      1
+  Configuration Descriptor:
+    bLength                 9
+    bDescriptorType         2
+    wTotalLength           34
+    bNumInterfaces          1
+    bConfigurationValue     1
+    iConfiguration          0
+    bmAttributes         0x80
+      (Bus Powered)
+    MaxPower               30mA
+    Interface Descriptor:
+      bLength                 9
+      bDescriptorType         4
+      bInterfaceNumber        0
+      bAlternateSetting       0
+      bNumEndpoints           1
+      bInterfaceClass         3 Human Interface Device
+      bInterfaceSubClass      0 No Subclass
+      bInterfaceProtocol      0 None
+      iInterface              0
+        HID Device Descriptor:
+          bLength                 9
+          bDescriptorType        33
+          bcdHID               1.10
+          bCountryCode           33 US
+          bNumDescriptors         1
+          bDescriptorType        34 Report
+          wDescriptorLength     122
+         Report Descriptors:
+           ** UNAVAILABLE **
+      Endpoint Descriptor:
+        bLength                 7
+        bDescriptorType         5
+        bEndpointAddress     0x81  EP 1 IN
+        bmAttributes            3
+          Transfer Type            Interrupt
+          Synch Type               None
+          Usage Type               Data
+        wMaxPacketSize     0x0007  1x 7 bytes
+        bInterval              10
+</code>
+<code>
+Bus 005 Device 011: ID 2341:8036 Arduino SA Leonardo (CDC ACM, HID)
+Device Descriptor:
+  bLength                18
+  bDescriptorType         1
+  bcdUSB               2.00
+  bDeviceClass            0 (Defined at Interface level)
+  bDeviceSubClass         0
+  bDeviceProtocol         0
+  bMaxPacketSize0        64
+  idVendor           0x2341 Arduino SA
+  idProduct          0x8036 Leonardo (CDC ACM, HID)
+  bcdDevice            1.00
+  iManufacturer           1
+  iProduct                2
+  iSerial                 0
+  bNumConfigurations      1
+  Configuration Descriptor:
+    bLength                 9
+    bDescriptorType         2
+    wTotalLength          100
+    bNumInterfaces          3
+    bConfigurationValue     1
+    iConfiguration          0
+    bmAttributes         0x80
+      (Bus Powered)
+    MaxPower              500mA
+    Interface Association:
+      bLength                 8
+      bDescriptorType        11
+      bFirstInterface         0
+      bInterfaceCount         2
+      bFunctionClass          2 Communications
+      bFunctionSubClass       2 Abstract (modem)
+      bFunctionProtocol       1 AT-commands (v.25ter)
+      iFunction               0
+    Interface Descriptor:
+      bLength                 9
+      bDescriptorType         4
+      bInterfaceNumber        0
+      bAlternateSetting       0
+      bNumEndpoints           1
+      bInterfaceClass         2 Communications
+      bInterfaceSubClass      2 Abstract (modem)
+      bInterfaceProtocol      0 None
+      iInterface              0
+      CDC Header:
+        bcdCDC               1.10
+      CDC Call Management:
+        bmCapabilities       0x01
+          call management
+        bDataInterface          1
+      CDC ACM:
+        bmCapabilities       0x06
+          sends break
+          line coding and serial state
+      CDC Union:
+        bMasterInterface        0
+        bSlaveInterface         1
+      Endpoint Descriptor:
+        bLength                 7
+        bDescriptorType         5
+        bEndpointAddress     0x81  EP 1 IN
+        bmAttributes            3
+          Transfer Type            Interrupt
+          Synch Type               None
+          Usage Type               Data
+        wMaxPacketSize     0x0010  1x 16 bytes
+        bInterval              64
+    Interface Descriptor:
+     bLength                 9
+      bDescriptorType         4
+      bInterfaceNumber        1
+      bAlternateSetting       0
+      bNumEndpoints           2
+      bInterfaceClass        10 CDC Data
+      bInterfaceSubClass      0 Unused
+      bInterfaceProtocol      0
+      iInterface              0
+      Endpoint Descriptor:
+        bLength                 7
+        bDescriptorType         5
+        bEndpointAddress     0x02  EP 2 OUT
+        bmAttributes            2
+          Transfer Type            Bulk
+          Synch Type               None
+          Usage Type               Data
+        wMaxPacketSize     0x0040  1x 64 bytes
+        bInterval               0
+      Endpoint Descriptor:
+        bLength                 7
+        bDescriptorType         5
+        bEndpointAddress     0x83  EP 3 IN
+        bmAttributes            2
+          Transfer Type            Bulk
+          Synch Type               None
+          Usage Type               Data
+        wMaxPacketSize     0x0040  1x 64 bytes
+        bInterval               0
+    Interface Descriptor:
+      bLength                 9
+      bDescriptorType         4
+      bInterfaceNumber        2
+      bAlternateSetting       0
+      bNumEndpoints           1
+      bInterfaceClass         3 Human Interface Device
+      bInterfaceSubClass      0 No Subclass
+      bInterfaceProtocol      0 None
+      iInterface              0
+        HID Device Descriptor:
+          bLength                 9
+          bDescriptorType        33
+          bcdHID               1.01
+          bCountryCode            0 Not supported
+          bNumDescriptors         1
+          bDescriptorType        34 Report
+          wDescriptorLength      52
+         Report Descriptors:
+           ** UNAVAILABLE **
+      Endpoint Descriptor:
+        bLength                 7
+        bDescriptorType         5
+        bEndpointAddress     0x84  EP 4 IN
+        bmAttributes            3
+          Transfer Type            Interrupt
+          Synch Type               None
+          Usage Type               Data
+        wMaxPacketSize     0x0040  1x 64 bytes
+        bInterval               1
+</code>
+====== zkoumání xpl ======
+  * jak X-Plane zjístí seznam events?
+  * on ví, že jich je max 32, tak to prostě zkusí
+<code>
+strace /opt/X-Plane\ 10/X-Plane-x86_64 2>&1 | grep -i "/dev/input"
+open("/dev/input/event0", O_RDONLY)     = 20
+open("/dev/input/event1", O_RDONLY)     = 20
+open("/dev/input/event2", O_RDONLY)     = 20
+open("/dev/input/event3", O_RDONLY)     = 20
+open("/dev/input/event4", O_RDONLY)     = 20
+open("/dev/input/event5", O_RDONLY)     = 20
+open("/dev/input/event6", O_RDONLY)     = 20
+open("/dev/input/event7", O_RDONLY)     = 28
+open("/dev/input/event8", O_RDONLY)     = -1 ENOENT (No such file or directory)
+open("/dev/input/event9", O_RDONLY)     = -1 ENOENT (No such file or directory)
+open("/dev/input/event10", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event11", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event12", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event13", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event14", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event15", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event16", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event17", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event18", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event19", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event20", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event21", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event22", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event23", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event24", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event25", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event26", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event27", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event28", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event29", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event30", O_RDONLY)    = -1 ENOENT (No such file or directory)
+open("/dev/input/event31", O_RDONLY)    = -1 ENOENT (No such file or directory)
+</code>
+  * oprávnění určitě měl!!
+    * dostal file deskriptor number
+    * a testoval jsem to i přes grep -i permission
+    * a navíc jsem to omylem spustil pod rootem :)
+  * a takhle X-Plane pozná, zda je tam nový device
+<code>
+inotify_add_watch(7, "/dev/input", IN_ATTRIB|IN_CREATE|IN_DELETE) = 2
+</code>
+  * podle čeho se rozhodne, že se mu eventX líbí?
+<code>
+open("/dev/input/event0", O_RDONLY)     = -1 EACCES (Permission denied)
+open("/dev/input/event1", O_RDONLY)     = -1 EACCES (Permission denied)
+open("/dev/input/event2", O_RDONLY)     = -1 EACCES (Permission denied)
+open("/dev/input/event3", O_RDONLY)     = -1 EACCES (Permission denied)
+open("/dev/input/event4", O_RDONLY)     = -1 EACCES (Permission denied)
+open("/dev/input/event5", O_RDONLY)     = -1 EACCES (Permission denied)
+open("/dev/input/event6", O_RDONLY)     = 30
+ioctl(30, EVIOCGBIT(EV_SYN, 8), [SYN_REPORT, SYN_CONFIG, SYN_DROPPED, 0x4 /* SYN_??? */]) = 8
+ioctl(30, EVIOCGBIT(EV_KEY, 96), [ 0 ]) = 96
+ioctl(30, EVIOCGBIT(EV_ABS, 8), [ABS_X, ABS_Y, ABS_RZ, ABS_THROTTLE]) = 8
+fcntl(30, F_SETFL, O_RDONLY|O_NONBLOCK) = 0
+ioctl(30, EVIOCGNAME(256), "Logitech Logitech Extreme 3D") = 29
+ioctl(30, EVIOCGUNIQ(256), "")          = 1
+ioctl(30, EVIOCGID, {ID_BUS=3, ID_VENDOR=1133, ...}) = 0
+ioctl(30, EVIOCGBIT(EV_KEY, 96), [ 0 ]) = 96
+ioctl(30, EVIOCGBIT(EV_ABS, 8), [ABS_X, ABS_Y, ABS_RZ, ABS_THROTTLE]) = 8
+ioctl(30, EVIOCGABS(ABS_X), {value=508, minimum=0, ...}) = 0
+ioctl(30, EVIOCGABS(ABS_Y), {value=516, minimum=0, ...}) = 0
+ioctl(30, EVIOCGABS(ABS_RZ), {value=128, minimum=0, ...}) = 0
+ioctl(30, EVIOCGABS(ABS_THROTTLE), {value=213, minimum=0, ...}) = 0
+open("/dev/input/event7", O_RDONLY)     = 31
+ioctl(31, EVIOCGBIT(EV_SYN, 8), [SYN_REPORT, SYN_CONFIG, SYN_DROPPED, 0x4 /* SYN_??? */]) = 8
+ioctl(31, EVIOCGBIT(EV_KEY, 96), [ 0 ]) = 96
+ioctl(31, EVIOCGBIT(EV_ABS, 8), [ABS_Z, ABS_RX, ABS_RY]) = 8
+close(31)
+</code>
+====== connected threads ======
+====== založení vlákna ======
+  * SUBJECTS SUGGESTIONS
+    * X-Plane doesn't support all axis like /dev/input/eventX devices?
+    * BUG? X-Plane doesn't support my /dev/input/eventX device :/
+    * Why X-Plane doesn't like my input/eventX device?
+  * TEXT:
+    * My XPL is 10.36+
+    * My joystick based on arduino ... code
+    * Releated information
+      * http://developer.x-plane.com/2012/09/linux-joystick-permissions/ -- zakladni info o novem joy
+      * http://developer.x-plane.com/2012/05/linux-and-hardwareos-abstractions
+        * tohle je zajímavé!! bacha... linux port je na pokraji smrti. Važ negativní slova :)
+        * autorem toho nového joy api je Chris Serio
+      * http://forums.x-plane.org/index.php?showtopic=83024 - wejoy.. to by stálo asi za zkoušku :)
+      * http://forums.x-plane.org/index.php?showtopic=84162 - obdobný topic, prý úspěšně vyřešený
+        * PROVERIT!!!
+        * pak pokračovat na str3
+    * Why it is not supported?
+    * Do anybody know what is XPL looking for in event device? How should I change the device?
+  * bump update
+    * I have construct another device... simulating the old one and the result is....