Difference between revisions of "DualShock 4"
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Revision as of 14:31, 17 November 2013
Review:
It feels really good to hold.
Contents |
Hardware
Teardown photo album: http://imgur.com/a/ytRW5
The USB port and LED are on one separate board, connected using a flat flexible cable, this cable is connected to a vertical FFC connector that does not have a locking mechanism.
The touchpad sensor is also detachable, connected using a flat flexible cable, this cable is connected to the main PCB using a connector that has a flip-up locking mechanism.
The speaker is not removable and it connects to the main PCB using some raised contacts.
The battery is 3.65V 1000mAH Li-ion.
Main microcontroller is a Spansion MB9BF002, a ARM Cortex M3 core, BGA package. The reset and SWD signals might be exposed to test points, I am not sure.
The Bluetooth module shows "8LA18366" and "GS-WCM-01" (or maybe it's "GS-WCN-01") and "VR2.0". There is also a QR code that I can't decipher yet. There are a lot of test points near it.
There's a chip marked with "BD9200" (in QFN 32 pin footprint) that might be a PMIC because it has some thick traces around it, plus a big inductor. One of the pins near it read 6V, might be for the motor.
There's a shiny small square chip left of the left analog stick, it is marked with "7710" "325A1", I have no idea what this is, but there's some differential signals coming out of it, it might be USB, the activity stops when I disconnect the USB cable. I think this is connected to the USB port. I suspect this is a OTG chip.
There's a rectangular (maybe LGA) chip on the bottom side on the left, marked with "134" "A1322" "333", possibly a sensor. It's got some sort of latch signal around it, or maybe it's a weird clock. It's slow and doesn't seem like a bus. Or it could be a shift register and it's reading blank because I'm not pressing buttons.
There's a QFN 32 pin chip marked with "WM18016" (the M could be a N, the 6 could be a G) "36A0LM6" dead center on the bottom side of the PCB. It has a sine wave logo on it (possibly Wolfson Microelectronics). It is near the audio stuff but it is also near where all the buttons connect. There are 5 test points near it. It appears to be communicating with SPI with constant activity. There's also two resistors that look like I2C pull-up resistors, and there appears to be constant I2C traffic.
Some buttons are active low, some are active high (maybe only the thumbstick push buttons). The sheet of flexible circuit for the buttons are active low.
I'll keep adding to this section
USB
It looks like a simple HID device which has nothing that suggests that it can carry audio, but it might have some tricks up its sleeves. Audio usually requires isosynchronous endpoints though... So I'm not 100% sure if the USB carries audio.
Device Descriptor
0x12, // bLength 0x01, // bDescriptorType (Device) 0x00, 0x02, // bcdUSB 2.00 0x00, // bDeviceClass (Use class information in the Interface Descriptors) 0x00, // bDeviceSubClass 0x00, // bDeviceProtocol 0x40, // bMaxPacketSize0 64 0x4C, 0x05, // idVendor 0x054C 0xC4, 0x05, // idProduct 0x05C4 0x00, 0x01, // bcdDevice 1.00 0x01, // iManufacturer (String Index) 0x02, // iProduct (String Index) 0x00, // iSerialNumber (String Index) 0x01, // bNumConfigurations 1 // 18 bytes
Configuration Descriptor
0x09, // bLength 0x02, // bDescriptorType (Configuration) 0x29, 0x00, // wTotalLength 41 0x01, // bNumInterfaces 1 0x01, // bConfigurationValue 0x00, // iConfiguration (String Index) 0xC0, // bmAttributes Self Powered 0xFA, // bMaxPower 500mA 0x09, // bLength 0x04, // bDescriptorType (Interface) 0x00, // bInterfaceNumber 0 0x00, // bAlternateSetting 0x02, // bNumEndpoints 2 0x03, // bInterfaceClass 0x00, // bInterfaceSubClass 0x00, // bInterfaceProtocol 0x00, // iInterface (String Index) 0x09, // bLength 0x21, // bDescriptorType (HID) 0x11, 0x01, // bcdHID 1.17 0x00, // bCountryCode 0x01, // bNumDescriptors 0x22, // bDescriptorType[0] (HID) 0xD3, 0x01, // wDescriptorLength[0] 467 0x07, // bLength 0x05, // bDescriptorType (Endpoint) 0x84, // bEndpointAddress (IN/D2H) 0x03, // bmAttributes (Interrupt) 0x40, 0x00, // wMaxPacketSize 64 0x05, // bInterval 5 (unit depends on device speed) 0x07, // bLength 0x05, // bDescriptorType (Endpoint) 0x03, // bEndpointAddress (OUT/H2D) 0x03, // bmAttributes (Interrupt) 0x40, 0x00, // wMaxPacketSize 64 0x05, // bInterval 5 (unit depends on device speed) // 41 bytes
HID Report Descriptor
0x05, 0x01, // Usage Page (Generic Desktop Ctrls) 0x09, 0x05, // Usage (Game Pad) 0xA1, 0x01, // Collection (Physical) 0x85, 0x01, // Report ID (1) 0x09, 0x30, // Usage (X) 0x09, 0x31, // Usage (Y) 0x09, 0x32, // Usage (Z) 0x09, 0x35, // Usage (Rz) 0x15, 0x00, // Logical Minimum (0) 0x26, 0xFF, 0x00, // Logical Maximum (255) 0x75, 0x08, // Report Size (8) 0x95, 0x04, // Report Count (4) 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) 0x09, 0x39, // Usage (Hat switch) 0x15, 0x00, // Logical Minimum (0) 0x25, 0x07, // Logical Maximum (7) 0x35, 0x00, // Physical Minimum (0) 0x46, 0x3B, 0x01, // Physical Maximum (315) 0x65, 0x14, // Unit (System: English Rotation, Length: Centimeter) 0x75, 0x04, // Report Size (4) 0x95, 0x01, // Report Count (1) 0x81, 0x42, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,Null State) 0x65, 0x00, // Unit (None) 0x05, 0x09, // Usage Page (Button) 0x19, 0x01, // Usage Minimum (0x01) 0x29, 0x0E, // Usage Maximum (0x0E) 0x15, 0x00, // Logical Minimum (0) 0x25, 0x01, // Logical Maximum (1) 0x75, 0x01, // Report Size (1) 0x95, 0x0E, // Report Count (14) 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) 0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00) 0x09, 0x20, // Usage (0x20) 0x75, 0x06, // Report Size (6) 0x95, 0x01, // Report Count (1) 0x15, 0x00, // Logical Minimum (0) 0x25, 0x7F, // Logical Maximum (127) 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) 0x05, 0x01, // Usage Page (Generic Desktop Ctrls) 0x09, 0x33, // Usage (Rx) 0x09, 0x34, // Usage (Ry) 0x15, 0x00, // Logical Minimum (0) 0x26, 0xFF, 0x00, // Logical Maximum (255) 0x75, 0x08, // Report Size (8) 0x95, 0x02, // Report Count (2) 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) 0x06, 0x00, 0xFF, // Usage Page (Vendor Defined 0xFF00) 0x09, 0x21, // Usage (0x21) 0x95, 0x36, // Report Count (54) 0x81, 0x02, // Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) 0x85, 0x05, // Report ID (5) 0x09, 0x22, // Usage (0x22) 0x95, 0x1F, // Report Count (31) 0x91, 0x02, // Output (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x04, // Report ID (4) 0x09, 0x23, // Usage (0x23) 0x95, 0x24, // Report Count (36) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x02, // Report ID (2) 0x09, 0x24, // Usage (0x24) 0x95, 0x24, // Report Count (36) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x08, // Report ID (8) 0x09, 0x25, // Usage (0x25) 0x95, 0x03, // Report Count (3) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x10, // Report ID (16) 0x09, 0x26, // Usage (0x26) 0x95, 0x04, // Report Count (4) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x11, // Report ID (17) 0x09, 0x27, // Usage (0x27) 0x95, 0x02, // Report Count (2) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x12, // Report ID (18) 0x06, 0x02, 0xFF, // Usage Page (Vendor Defined 0xFF02) 0x09, 0x21, // Usage (0x21) 0x95, 0x0F, // Report Count (15) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x13, // Report ID (19) 0x09, 0x22, // Usage (0x22) 0x95, 0x16, // Report Count (22) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x14, // Report ID (20) 0x06, 0x05, 0xFF, // Usage Page (Vendor Defined 0xFF05) 0x09, 0x20, // Usage (0x20) 0x95, 0x10, // Report Count (16) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x15, // Report ID (21) 0x09, 0x21, // Usage (0x21) 0x95, 0x2C, // Report Count (44) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x06, 0x80, 0xFF, // Usage Page (Vendor Defined 0xFF80) 0x85, 0x80, // Report ID (128) 0x09, 0x20, // Usage (0x20) 0x95, 0x06, // Report Count (6) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x81, // Report ID (129) 0x09, 0x21, // Usage (0x21) 0x95, 0x06, // Report Count (6) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x82, // Report ID (130) 0x09, 0x22, // Usage (0x22) 0x95, 0x05, // Report Count (5) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x83, // Report ID (131) 0x09, 0x23, // Usage (0x23) 0x95, 0x01, // Report Count (1) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x84, // Report ID (132) 0x09, 0x24, // Usage (0x24) 0x95, 0x04, // Report Count (4) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x85, // Report ID (133) 0x09, 0x25, // Usage (0x25) 0x95, 0x06, // Report Count (6) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x86, // Report ID (134) 0x09, 0x26, // Usage (0x26) 0x95, 0x06, // Report Count (6) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x87, // Report ID (135) 0x09, 0x27, // Usage (0x27) 0x95, 0x23, // Report Count (35) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x88, // Report ID (136) 0x09, 0x28, // Usage (0x28) 0x95, 0x22, // Report Count (34) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x89, // Report ID (137) 0x09, 0x29, // Usage (0x29) 0x95, 0x02, // Report Count (2) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x90, // Report ID (144) 0x09, 0x30, // Usage (0x30) 0x95, 0x05, // Report Count (5) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x91, // Report ID (145) 0x09, 0x31, // Usage (0x31) 0x95, 0x03, // Report Count (3) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x92, // Report ID (146) 0x09, 0x32, // Usage (0x32) 0x95, 0x03, // Report Count (3) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0x93, // Report ID (147) 0x09, 0x33, // Usage (0x33) 0x95, 0x0C, // Report Count (12) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xA0, // Report ID (160) 0x09, 0x40, // Usage (0x40) 0x95, 0x06, // Report Count (6) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xA1, // Report ID (161) 0x09, 0x41, // Usage (0x41) 0x95, 0x01, // Report Count (1) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xA2, // Report ID (162) 0x09, 0x42, // Usage (0x42) 0x95, 0x01, // Report Count (1) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xA3, // Report ID (163) 0x09, 0x43, // Usage (0x43) 0x95, 0x30, // Report Count (48) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xA4, // Report ID (164) 0x09, 0x44, // Usage (0x44) 0x95, 0x0D, // Report Count (13) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xA5, // Report ID (165) 0x09, 0x45, // Usage (0x45) 0x95, 0x15, // Report Count (21) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xA6, // Report ID (166) 0x09, 0x46, // Usage (0x46) 0x95, 0x15, // Report Count (21) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xF0, // Report ID (240) 0x09, 0x47, // Usage (0x47) 0x95, 0x3F, // Report Count (63) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xF1, // Report ID (241) 0x09, 0x48, // Usage (0x48) 0x95, 0x3F, // Report Count (63) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xF2, // Report ID (242) 0x09, 0x49, // Usage (0x49) 0x95, 0x0F, // Report Count (15) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xA7, // Report ID (167) 0x09, 0x4A, // Usage (0x4A) 0x95, 0x01, // Report Count (1) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xA8, // Report ID (168) 0x09, 0x4B, // Usage (0x4B) 0x95, 0x01, // Report Count (1) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xA9, // Report ID (169) 0x09, 0x4C, // Usage (0x4C) 0x95, 0x08, // Report Count (8) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xAA, // Report ID (170) 0x09, 0x4E, // Usage (0x4E) 0x95, 0x01, // Report Count (1) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xAB, // Report ID (171) 0x09, 0x4F, // Usage (0x4F) 0x95, 0x39, // Report Count (57) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xAC, // Report ID (172) 0x09, 0x50, // Usage (0x50) 0x95, 0x39, // Report Count (57) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xAD, // Report ID (173) 0x09, 0x51, // Usage (0x51) 0x95, 0x0B, // Report Count (11) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xAE, // Report ID (174) 0x09, 0x52, // Usage (0x52) 0x95, 0x01, // Report Count (1) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xAF, // Report ID (175) 0x09, 0x53, // Usage (0x53) 0x95, 0x02, // Report Count (2) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0x85, 0xB0, // Report ID (176) 0x09, 0x54, // Usage (0x54) 0x95, 0x3F, // Report Count (63) 0xB1, 0x02, // Feature (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position,Non-volatile) 0xC0, // End Collection // 467 bytes
Sample Report
01 81 80 83 7A 08 00 00 00 00 93 5F FB D2 FF DA FF D8 FF 4F EE 14 1B 99 FE 00 00 00 00 00 05 00 00 00 00 80 00 00 00 80 00 00 00 00 80 00 00 00 80 00 00 00 00 80 00 00 00 80 00 00 00 00 80 00
Report Structure
| byte index | bit 7 | bit 6 | bit 5 | bit 4 | bit 3 | bit 2 | bit 1 | bit 0 |
| [0] | Report ID (always 0x01) | |||||||
| [1] | Left Stick X (0 = left) | |||||||
| [2] | Left Stick Y (0 = up) | |||||||
| [3] | Right Stick X | |||||||
| [4] | Right Stick Y | |||||||
| [5] | TRI | CIR | X | SQR | D-PAD (hat format, 0x08 is released, 0=N, 1=NE, 2=E, 3=SE, 4=S, 5=SW, 6=W, 7=NW) | |||
| [6] | R3 | L3 | OPT | SHARE | R2 | L2 | R1 | L1 |
| [7] | Counter | T-PAD | PS | |||||
| [8] | Left Trigger (0 = released, 0xFF = fully pressed) | |||||||
| [9] | Right Trigger | |||||||
| [10] | Unknown yet, seems random | |||||||
| [11] | Unknown yet, seems random | |||||||
| [12] | Unknown yet, 0x03 or 0x04 | |||||||
| [13 - 14] | Possibly Gyro X (seems to be signed) | |||||||
| [15 - 16] | Possibly Gyro Y | |||||||
| [17 - 18] | Possibly Gyro Z | |||||||
| [19 - 20] | Possibly Accel X | |||||||
| [21 - 22] | Possibly Accel Y | |||||||
| [23 - 24] | Possibly Accel Z | |||||||
| [25 - 63] | TODO, work in progress | |||||||
