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'''Source:''' https://gist.github.com/johndrinkwater/7708901
'''Source:''' https://gist.github.com/johndrinkwater/7708901
[[File:DUALSHOCK4 03.jpg|thumbnail|right]]


== USB ==
== USB ==
[[SKU_Models_Nonretail|Nonretail]] consoles can use the [[%E2%98%85_Debug_Settings#Controller_Setting|★ Debug Settings : Controller Setting]] to use [[USB|USB]] instead of wireless.
Audio does not carry through {{G|USB}} in the case of a [[DualShock 4|Dual Shock 4]].
Audio does not carry through {{G|USB}} in the case of a [[DualShock 4|Dual Shock 4]].


The reports arrive ~250 times per second (every ~4ms).
The reports arrive once every 4ms.


=== Device Descriptor ===
=== Device Descriptor ===
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| 1 || bDescriptorType || 1 || 0x05 || (= 5)
| 1 || bDescriptorType || 1 || 0x05 || (= 5)
|-
|-
| 2 || bEndpointAddress || 1 || 0x84 || IN<--(1 000 0100)-->4 (PS3 Controller: 0x81)
| 2 || bEndpointAddress || 1 || 0x84 || IN<--(10 00 0100)-->4 (PS3 Controller: 0x81)
<small>
<small>
The address of this endpoint within the device:
The address of this endpoint within the device:
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| 1 || bDescriptorType || 1 || 0x05 || (= 5)
| 1 || bDescriptorType || 1 || 0x05 || (= 5)
|-
|-
| 2 || bEndpointAddress || 1 || 0x03 || OUT<--(0 000 0011)-->3 (PS3 Controller: 0x02)
| 2 || bEndpointAddress || 1 || 0x03 || OUT<--(00 00 0011)-->3 (PS3 Controller: 0x02)
|-
|-
| 3 || bmAttributes || 1 || 0x03 || Interrupt
| 3 || bmAttributes || 1 || 0x03 || Interrupt
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=== HID Report Descriptor ===
=== HID Report Descriptor ===
[https://www.usb.org/sites/default/files/documents/hut1_12v2.pdf#page=26 HID Usage Tables 1.12 (p.26)]
 
[http://www.usb.org/developers/devclass_docs/Hut1_12v2.pdf HID Usage Tables 1.12 (p.26)]
 
<div style="height:650px; width:700px; overflow:auto">


{| class="wikitable sortable"
{| class="wikitable sortable"
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|0x15||0x00|| - ||Logical Minimum (0)||
|0x15||0x00|| - ||Logical Minimum (0)||
|-
|-
|0x25||0x7F|| - ||Logical Maximum (127)||Note: REPORT_SIZE (6) is too small for LOGICAL_MAXIMUM (127) which needs 7 bits
|0x25||0x7F|| - ||Logical Maximum (127)||
|-
|-
|0x81||0x02|| - ||Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)|| send (byte 07: msb 6 bits)
|0x81||0x02|| - ||Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)|| send (byte 07: msb 6 bits)
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|-
|-
|}
|}
</div><br />


<small>Total size of the Report descriptor is 0x01D3 (467)</small>
<small>Total size of the Report descriptor is 0x01D3 (467)</small>
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|-
|-
|[1]
|[1]
|colspan="8"|{{padl}} Left stick axis X (0: {{padll}} left)
|colspan="8"|{{padl}} X axis (0 = {{padll}} left)
|-
|-
|[2]
|[2]
|colspan="8"|{{padl}} Left Stick axis Y (0: {{padlu}} up)
|colspan="8"|{{padl}} Y axis (0 = {{padlu}} up)
|-
|-
|[3]
|[3]
|colspan="8"|{{padr}} Right Stick axis X (0: {{padrl}} left)
|colspan="8"|{{padr}} Right Stick axis X
|-
|-
|[4]
|[4]
|colspan="8"|{{padr}} Right Stick axis Y (0: {{padru}} up)
|colspan="8"|{{padr}} Right Stick axis Y
|-
|-
|[5]
|[5]
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| 7=NW || 6=W || 5=SW || 4=S || 3=SE || 2=E || 1=NE || 0=N
| 7=NW || 6=W || 5=SW || 4=S || 3=SE || 2=E || 1=NE || 0=N
|-
|-
| '''↑←''' || '''←''' || '''↓←''' || '''↓''' || '''↓→''' || ''→ '' || '''↑→''' || '''↑'''
| '''↑←''' || '''←''' || '''↓←''' || '''↓''' || '''↓→''' || '''→''' || '''↑←''' || '''↑'''
|-
|-
|}
|}
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|colspan="8"|{{padr2}} Trigger
|colspan="8"|{{padr2}} Trigger
|-
|-
|[10 - 11]
|[10]
|colspan="8"|Seems to be a timestamp. A common increment value between two reports is 188 (at full rate the report period is 1.25ms). This timestamp is used by the PS4 to process acceleration and gyroscope data.
|colspan="8"|Unknown, seems to count downwards, non-random pattern
|-
|[11]
|colspan="8"|Unknown, seems to count upwards by 3, but by 2 when [10] underflows
|-
|-
|[12]
|[12]
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|-
|-
|[13 - 14]
|[13 - 14]
|colspan="8"|Gyro X: angular velocity measures (follows right-hand-rule)
|colspan="8"|Possibly Gyro X (seems to be signed): orientation measures
|-
|-
|[15 - 16]
|[15 - 16]
|colspan="8"|Gyro Y
|colspan="8"|Possibly Gyro Y
|-
|-
|[17 - 18]
|[17 - 18]
|colspan="8"|Gyro Z
|colspan="8"|Possibly Gyro Z
|-
|-
|[19 - 20]
|[19 - 20]
|colspan="8"|Accel X (signed): acceleration (positive: right)
|colspan="8"|Possibly Accel X: acceleration measures
|-
|-
|[21 - 22]
|[21 - 22]
|colspan="8"|Accel Y (signed): acceleration (positive: up)
|colspan="8"|Possibly Accel Y
|-
|-
|[23 - 24]
|[23 - 24]
|colspan="8"|Accel Z (signed): acceleration (positive: towards player)
|colspan="8"|Possibly Accel Z
|-
|-
|[25 - 29]
|[25 - 29]
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|-
|-
|[35]
|[35]
|0 if finger №1 is down.
|colspan="8"|T-PAD: tracking numbers, unique to each finger (№1) down, so for each lift and repress, it gets a newly incremented figure.
|colspan="7"|T-PAD: tracking numbers, unique to each finger (№1) down, so for each lift and repress, it gets a newly incremented figure.
|-
|-
|[36 - 38]
|[36 - 38]
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|-
|-
|[39]
|[39]
|0 if finger №2 is down.
|colspan="8"|T-PAD: tracking numbers, unique to each finger (№2) down.
|colspan="7"|T-PAD: tracking numbers, unique to each finger (№2) down.
|-
|-
|[40 - 42]
|[40 - 42]
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