Difference between revisions of "G27 PS3"
(→Report descriptor) |
(→Interrupt IN report) |
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| Line 535: | Line 535: | ||
|- | |- | ||
|[1] | |[1] | ||
| − | |left shift | + | |left shift (l1) |
| − | |right shift | + | |right shift (r1) |
| − | |triangle | + | |triangle (up) |
| − | |circle | + | |circle (right) |
| − | |rectangle | + | |rectangle (down) |
| − | |cross | + | |cross (left) |
|colspan="2"|Wheel axis MSB | |colspan="2"|Wheel axis MSB | ||
|- | |- | ||
| Line 548: | Line 548: | ||
|top-mid-bottom right | |top-mid-bottom right | ||
|top-mid-bottom left | |top-mid-bottom left | ||
| − | |oxoo | + | |oxoo (select) |
| − | |ooxo | + | |ooxo (start) |
| − | |ooox | + | |ooox (r3) |
| − | |xooo | + | |xooo (l3) |
|- | |- | ||
|[3] | |[3] | ||
| Line 561: | Line 561: | ||
|0 | |0 | ||
|0 | |0 | ||
| − | |colspan="4"|hat switch (Released=8, N=0, NE=1, E=2, SE=3, S=4, SW=5, W=6, NW=7) | + | |colspan="4"|hat switch (D-Pad, Released=8, N=0, NE=1, E=2, SE=3, S=4, SW=5, W=6, NW=7) |
|- | |- | ||
|[5-6] | |[5-6] | ||
Revision as of 16:10, 10 January 2015
This is a reverse engineering of the USB interface of the G27 when connected to a PS3.
Contents
Enumeration
Device descriptor
| bLength | 18 |
| bDescriptorType | DEVICE (0x01) |
| bcdUSB | 2.00 (0x0200) |
| bDeviceClass | Defined in Interface (0x00) |
| bDeviceSubClass | Defined in Interface (0x00) |
| bDeviceProtocol | Defined in Interface (0x00) |
| bMaxPacketSize0 | 16 |
| idVendor | 0x046d |
| idProduct | 0xc294 |
| bcdDevice | 12.38 (0x1238) |
| iManufacturer | None (0) |
| iProduct | Not Requested (2) |
| iSerialNumber | None (0) |
| bNumConfigurations | 1 |
Configuration descriptor
Configuration Descriptor
| bLength | 9 |
| bDescriptorType | CONFIGURATION (0x02) |
| wTotalLength | 41 |
| bNumInterfaces | 1 |
| bConfigurationValue | 1 |
| iConfiguration | None (0) |
| bmAttributes.Reserved | 0 |
| bmAttributes.RemoteWakeup | RemoteWakeup Not Supported (0b0) |
| bmAttributes.SelfPowered | Bus Powered (0b0) |
| bMaxPower | 98mA (0x31) |
Interface Descriptor
| bLength | 9 |
| bDescriptorType | INTERFACE (0x04) |
| bInterfaceNumber | 0 |
| bAlternateSetting | 0 |
| bNumEndpoints | 2 |
| bInterfaceClass | Human Interface Device (0x03) |
| bInterfaceSubClass | None (0x00) |
| bInterfaceProtocol | None (0x00) |
| iInterface | None (0) |
HID Descriptor
bLength 9| bDescriptorType | HID(33) |
| bcdHID | 1.00 (0x0100) |
| bCountryCode | 0x21 |
| bNumDescriptors | 1 |
| bDescriptorType | REPORT (34) |
| wDescriptorLength | 130 |
Endpoint Descriptor
| bLength | 7 |
| bDescriptorType | ENDPOINT (0x05) |
| bEndpointAddress | 1 IN (0b10000001) |
| bmAttributes.TransferType | Interrupt (0b11) |
| wMaxPacketSize.PacketSize | 8 |
| wMaxPacketSize.Transactions | One transaction per microframe if HS (0b00) |
| bInterval | 10 |
Endpoint Descriptor
| bLength | 7 |
| bDescriptorType | ENDPOINT (0x05) |
| bEndpointAddress | 1 OUT (0b00000001) |
| bmAttributes.TransferType | Interrupt (0b11) |
| wMaxPacketSize.PacketSize | 8 |
| wMaxPacketSize.Transactions | One transaction per microframe if HS (0b00) |
| bInterval | 10 |
Report descriptor
|
|
Get Reports (control endpoint)
FFB reports
Set Reports (control endpoint)
Interrupt IN report
| byte index | bit 7 | bit 6 | bit 5 | bit 4 | bit 3 | bit 2 | bit 1 | bit 0 |
| [0] | Wheel axis LSB (unsigned, min = 0, max = 0x03ff, center = 0x0200) | |||||||
| [1] | left shift (l1) | right shift (r1) | triangle (up) | circle (right) | rectangle (down) | cross (left) | Wheel axis MSB | |
| [2] | 1 | 0 | top-mid-bottom right | top-mid-bottom left | oxoo (select) | ooxo (start) | ooox (r3) | xooo (l3) |
| [3] | pedals (signed, center = 0x7f) | |||||||
| [4] | 1 | 0 | 0 | 0 | hat switch (D-Pad, Released=8, N=0, NE=1, E=2, SE=3, S=4, SW=5, W=6, NW=7) | |||
| [5-6] | 0xffff | |||||||
Interrupt OUT reports
TODO
