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diff --git a/docs/FFBEFFECTS.md b/docs/FFBEFFECTS.md index 93dbb80..a9a313a 100644 --- a/docs/FFBEFFECTS.md +++ b/docs/FFBEFFECTS.md @@ -43,7 +43,7 @@ have model specific peculiarities, though. ### Stopping/removing (why are they rolled into one?) ``` - 60 00 - standard header + 60 00 - standard header 01 - ID 89 - playing options 00 - stop @@ -99,7 +99,7 @@ have model specific peculiarities, though. ``` ## FF_AUTOCENTER: -``` +``` 60 08 - header plus settings? 03 - set autocenter force 8f 02 - force (between ff ff and 00 00) @@ -110,7 +110,7 @@ have model specific peculiarities, though. ``` ## FF_GAIN: -``` +``` 60 02 - header plus gain? bf - gain (between ff and 00) 00 00 00 00 00 00 00 00 00 00 00 00 00 @@ -130,7 +130,8 @@ have model specific peculiarities, though. 00 00 - attack_level *** 00 00 - fade_length 00 00 - fade_level *** - 00 4f - ? + 00 - effect type? + 4f f7 17 - time in milliseconds, unsigned 00 00 07 00 - offset from start(?) @@ -142,7 +143,21 @@ have model specific peculiarities, though. ### Modifying (For dynamic updating of effects) -#### Direction: ``N/A`` +``` +4th byte 5th byte hex +00001010 0a - magnitude +01001001 49 - duration / offset / duration + offset +00110001 10000001 31 81 - envelope attack length +00110001 10000010 31 82 - envelope attack level +00110001 10000100 31 84 - envelope fade length +00110001 10001000 31 88 - envelope fade level +00101001 29 - envelope (all) +00101010 2a - magnitude + envelope +01101010 6a - magnitude + envelope + offset +00110010 32 - magnitude + envelope attack length & level +01110010 72 - magnitude + envelope attack length & level + duration +01101010 6a - magnitude + envelope + duration + offset +``` #### Constant force: ``` @@ -158,15 +173,28 @@ have model specific peculiarities, though. #### Envelope: ``` +envelope attack/fade level/length: + multiple values can be updated with one packet + 60 00 - standard header 01 - ID - 31 - modify envelope - 84 - ID of envelope attribute ( attack_level 82, - attack_length 81, - fade_level 88, - fade_length 84 ) - 63 04 - value attribute should be set to ?***? - 00 00 00 00 00 00 00 00 00 + 31 85 + e8 03 - attack length + dc 05 - fade length + 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + +envelope (all): + 60 00 - standard header + 01 - ID + 29 + e8 03 - attack length + cc 0c - attack level + dc 05 - fade length + cc 0c - fade level + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 @@ -176,28 +204,133 @@ have model specific peculiarities, though. ``` 60 00 - standard header 01 - ID - 49 00 41 - modify timing? - 6c 20 - length in milliseconds - 00 00 00 00 00 00 00 00 + 49 + 00 - effect type? + 45 - update type + 88 13 - duration in milliseconds + 00 00 - offset in milliseconds + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ``` -#### Offset: `N/A` +#### Combined: +``` +magnitude + envelope: + 60 00 - standard header + 01 - ID + 2a + fd 3f - magnitude + e8 03 - attack length + cc 0c - attack level + dc 05 - fade length + cc 0c - fade level + 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + +magnitude + envelope attack length & level + duration: + 60 00 - standard header + 01 - ID + 72 + fd 3f - magnitude + 83 - envelope update type + e8 03 - attack length + cc 0c - attack level + 00 - effect type? + 41 - update type + 88 13 - duration + 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + +magnitude + envelope + duration + offset: + 60 00 - standard header + 01 - ID + 6a + fd 3f - magnitude + e8 03 - attack length + cc 0c - attack level + dc 05 - fade length + cc 0c - fade level + 00 - effect type? + 45 - update type + 88 13 - duration + 00 00 - offset + 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +``` ## FF_RAMP -Ramps seem to follow triangle wave parameters. +``` +00001110 00000001 0e 01 - slope +00001110 00000010 0e 02 - center +01001001 49 - invert +00001110 00000011 0e 03 - slope + center +01001110 00000001 4e 01 - slope + invert +01001110 00000011 4e 03 - slope + center + invert +01001110 00001000 4e 08 - duration +01001001 49 - offset +01001110 00001000 4e 08 - duration + offset +00110001 10000001 31 81 - envelope attack length +00110001 10000010 31 82 - envelope attack level +00110001 10000100 31 84 - envelope fade length +00110001 10001000 31 88 - envelope fade level +00101001 29 - envelope (all) +01110110 00000011 76 03 - envelope attack & fade length + slope + center + invert +00101110 00000011 2e 03 - envelope + slope + center + invert +01101110 00001011 6e 0b - duration + offset + envelope + slope + center + invert +``` + +### Notes + +#### Invert + +There is a bug in the Windows driver during the Ramp effect update. +If the update requires inverting the effect and the duration or the offset is +not changed, the effect just stops. + +This can be fixed by adding the `update type` byte with the value of `40`. + +Affected examples: + - slope + invert + - slope + center + invert + - invert + - envelope attack & fade length + slope + center + invert + - envelope + slope + center + invert + +Example: +``` +Invalid: + 60 00 - standard header + 01 - ID + 49 + 05 - effect type? + 00 <- missing "update type" + [...] + +Valid: + 60 00 - standard header + 01 - ID + 49 + 05 - effect type? + 40 - update type <- correct update type + [...] +``` + ### Init: ``` 60 00 - standard header 01 - ID 6b - new ramp effect - f6 7f - difference *** - fe ff - level? *** (level = (if end_level > start_level, end_level, else - start_level) - difference?) (signed) + f6 7f - slope *** abs(start - stop) / 2 + fe ff - center *** (start + end) / 2 (signed) 00 00 f7 17 - time 00 80 - some kind of marker @@ -216,53 +349,200 @@ Ramps seem to follow triangle wave parameters. ``` ### Modifying: + ``` +center: 60 00 - standard header 01 - ID - 0e - ??? - 03 - ramp? - e3 04 - difference? - 7d 75 - "level"? - 05 - ???? + 0e 02 + 1e 40 - center + 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + +slope + invert: + This packet is affected by the "invert" driver bug. See Notes above. + + 60 00 - standard header + 01 - ID + 4e 01 + 20 00 - slope + 04 - effect type? (invert) 04 or 05 + 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + +slope + center + invert: + This packet is affected by the "invert" driver bug. See Notes above. + + 60 00 - standard header + 01 - ID + 4e 03 + 06 00 - slope + 25 40 - center + 04 - effect type? (invert) 04 or 05 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ``` -#### Envelope: +#### Duration, offset, invert: + ``` +duration: 60 00 - standard header 01 - ID - 31 - modify envelope - 84 - ID of envelope attribute ( attack_level 82, - attack_length 81, - fade_level 88, - fade_length 84 ) - 63 04 - value attribute should be set to - 00 00 00 00 00 00 00 00 00 + 4e 08 + 88 13 - duration + 04 - effect type? must reflect the actual inversion 04 or 05 + 41 - update type, see Update type section + 88 13 - duration + 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + +offset: + 60 00 - standard header + 01 - ID + 49 + 04 - effect type? must reflect the actual inversion 04 or 05 + 44 - update type, see Update type section + 00 00 - offset + 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + +duration + offset: + 60 00 - standard header + 01 - ID + 4e 08 + 88 13 - duration + 04 - effect type? must reflect the actual inversion 04 or 05 + 45 - update type, see Update type section + 88 13 - duration + 00 00 - offset + 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + +dir + offset: + 60 00 - standard header + 01 - ID + 49 + 05 - effect type? must reflect the actual inversion 04 or 05 + 44 - update type, see Update type section + 00 00 - offset + 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + +invert: + This packet is affected by the "invert" driver bug. See Notes above. + + 60 00 - standard header + 01 - ID + 49 + 05 - effect type? invert 04 or 05 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ``` -#### Duration: -``` - 60 00 +#### Envelope: + +``` +envelope attack/fade level/length: + multiple values can be updated with one packet + + 60 00 - standard header 01 - ID - 4e - ? - 08 - ? - 01 00 - time in milliseconds - 05 - ? - 41 - ? - 01 00 - time in milliseconds - 00 00 00 00 00 + 31 85 + d0 07 - attack length + dc 05 - fade length + 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + +envelope (all): + 60 00 - standard header + 01 - ID + 29 + d0 07 - attack length + 69 34 - attack level + dc 05 - fade length + 32 1a - fade level + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ``` -#### Offset: `N/A` +#### Combined: + +``` +envelope attack & fade length + slope + center + invert: + This packet is affected by the "invert" driver bug. See Notes above. + + 60 00 - standard header + 01 - ID + 76 03 + 06 00 - slope + 25 40 - center + 85 - envelope update type + d0 07 - attack length + dc 05 - fade length + 04 - effect type? (invert) 04 or 05 + 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + +envelope + slope + center + invert: + This packet is affected by the "invert" driver bug. See Notes above. + + 60 00 - standard header + 01 - ID + 6e 03 + 06 00 - slope + 25 40 - center + d0 07 - attack length + 69 34 - attack level + dc 05 - fade length + 32 1a - fade level + 04 - effect type? (invert) 04 or 05 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + +duration + offset + envelope + slope + center + invert: + 60 00 - standard header + 01 - ID + 6e 0b + 06 00 - slope + 25 40 - center + 88 13 - length + d0 07 - attack length + 69 34 - attack level + dc 05 - fade length + 32 1a - fade level + 04 - effect type? (invert) 04 or 05 + 45 - update type, see Update type section + 88 13 - length 2 + 00 00 - offset + 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + +``` ## FF_DAMPER + FF_FRICTION + FF_INERTIA + FF_SPRING: ### Init: @@ -305,7 +585,7 @@ Ramps seem to follow triangle wave parameters. 4th byte 5th byte hex 00001110 01000001 0e 41 positive coefficient 00001110 01000010 0e 42 negative coefficient -00001110 01000011 0e 43 both coefficint +00001110 01000011 0e 43 both coefficient 00001110 01001100 0e 4c right and left deadband 00001110 01010000 0e 50 positive saturation 00001110 01100000 0e 60 negative saturation @@ -348,7 +628,7 @@ The order of the fields are defined in the `all effect specific parameters + dur positive and negative coefficient: 60 00 01 - ID - 0e 43 + 0e 43 ab 67 - right coefficient, signed, between 01 80 (-32767) and fc 7f (32764) 50 18 - left coefficient, signed, between 01 80 (-32767) and fc 7f (32764) 00 00 00 00 00 00 00 @@ -425,7 +705,7 @@ The order of the fields are defined in the `all effect specific parameters + dur fd 5f - positive saturation fd 5f - negative saturation 06 - effect type (condition)? - 45 - update type, see below + 45 - update type, see Update type section 10 27 - length in milliseconds 00 00 - offset in milliseconds 00 00 00 00 00 00 00 00 00 00 @@ -435,22 +715,12 @@ The order of the fields are defined in the `all effect specific parameters + dur ``` ### Duration: - -Update type: - -``` -6th byte hex -01000001 41 length -01000100 44 offset -01000101 45 length + offset -``` - ``` 60 00 - standard header 01 - ID 49 06 - effect type (condition)? - 45 - update type + 45 - update type, see Update type section 6c 20 - length in milliseconds 00 00 - offset in milliseconds 00 00 00 00 00 00 @@ -459,11 +729,10 @@ Update type: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ``` -### Offset: `N/A` - ## FF_PERIODIC: + ### Init -``` +``` 60 00 - standard header 01 - ID 6b - new periodic effect @@ -472,7 +741,7 @@ Update type: 00 00 - phase (left/right) between 00 00 and 4a f7 (32586) meaning is 0 to ~359 deg phase shift in 5b steps e8 03 - period between 00 00 and ff ff (in milliseconds) - 00 80 + 00 80 00 00 - attack_length 00 00 - attack_level *** 00 00 - fade_length @@ -492,8 +761,27 @@ Update type: ``` ### Modifying: + +``` +4th byte 5th byte hex +00001110 00000001 0e 01 - magnitude +00001110 00000010 0e 02 - offset +00001110 00000100 0e 04 - phase +00001110 00001000 0e 08 - period +00001110 00001111 0e 0f - magnitude + offset + phase + period +01001001 49 - duration / offset / duration + offset +00110001 10000001 31 81 - envelope attack length +00110001 10000010 31 82 - envelope attack level +00110001 10000100 31 84 - envelope fade length +00110001 10001000 31 88 - envelope fade level +00101001 29 - envelope (all) +00101110 00001111 2e 0f - magnitude + offset + phase + period + envelope +00110110 00001111 36 0f - magnitude + offset + phase + period + envelope attack length & level +01101110 00001111 6e 0f - magnitude + offset + phase + period + envelope + duration + offset ``` - magnitude: + +``` +magnitude: 60 00 02 - ID 0e 01 @@ -503,118 +791,183 @@ Update type: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - offset of effect: +magnitude + offset + phase + period: 60 00 - 02 - ID - 0e 02 - 64 35 - value, between ff bf (-16385) and fd 3f (16381) - 00 00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - - phase: - 60 00 - 02 - ID - 0e 04 - 64 35 - value, between 00 00 and 4a f7 (32586) in 5b steps + 01 - ID + 0e 0f + dd 3f - magnitude, between 00 00 and fc 7f (32764) + cb 0c - offset, between ff bf (-16385) and fd 3f (16381) + 5a 00 - phase, between 00 00 and 4a f7 (32586) in 5b steps meaning is 0 to 359 deg phase shift - 00 00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - - period: - 60 00 - 02 - ID - 0e 08 - 64 35 - value, between 00 00 and ff ff (in milliseconds) - 00 00 00 00 00 00 00 00 00 + f8 2a - period, between 00 00 and ff ff (in milliseconds) + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ``` -### Envelope: +#### Envelope: ``` +envelope attack/fade level/length: + multiple values can be updated with one packet + 60 00 - standard header 01 - ID - 31 - modify envelope - 84 - ID of envelope attribute ( attack_level 82, - attack_length 81, - fade_level 88, - fade_length 84 ) - 63 04 - value attribute should be set to - 00 00 00 00 00 00 00 00 00 + 31 85 + d0 07 - attack length + dc 05 - fade length + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -``` -### Duration: -``` - Square: - 60 00 +envelope (all): + 60 00 - standard header 01 - ID - 49 - ? - 01 - Effect type - 41 - ? - 4e 0c - Time in milliseconds - 00 00 00 00 00 00 00 00 + 29 + d0 07 - attack length + 69 34 - attack level + dc 05 - fade length + 32 1a - fade level + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +``` - Sine: +#### Duration: +``` 60 00 01 - ID - 49 - ? - 03 - Effect type - 41 - ? - ec 13 - Time in milliseconds - 00 00 00 00 00 00 00 00 + 49 + 03 - effect type 01 - Square + 02 - Triangle + 03 - Sine + 04 - Sawtooth up + 05 - Sawtooth down + 45 - update type, see Update type section + 74 27 - duration + 00 00 - offset + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +``` - Triangle: +#### Combined + +``` +magnitude + offset + phase + period + envelope: 60 00 01 - ID - 49 - ? - 02 - Effect type - 41 - ? - 4e 0c - Time in milliseconds - 00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 2e 0f + dd 3f - magnitude, between 00 00 and fc 7f (32764) + cb 0c - offset + 5a 00 - phase + f8 2a - period + dc 05 - attack length + 30 73 - attack level + e8 03 - fade length + 30 73 - fade level + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - Sawtooth up: +magnitude + offset + phase + period + envelope attack length & level: 60 00 01 - ID - 49 - ? - 04 - Effect type - 41 - ? - 4e 0c - Time in milliseconds - 00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 36 0f + dd 3f - magnitude + cb 0c - offset + 5a 00 - phase + f8 2a - period + 83 - envelope update type + e8 03 - attack length + cc 0c - attack level + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 - Sawtooth down: +magnitude + offset + phase + period + envelope + duration + offset: 60 00 01 - ID - 49 - ? - 05 - Effect type - 41 - ? - ec 13 - Time in milliseconds - 00 00 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 + 6e 0f + dd 3f - magnitude + cb 0c - offset + 5a 00 - phase + f8 2a - period + cc 0c - attack length + e8 03 - attack level + dc 05 - fade length + cc 0c - fade level + 03 - effect type 01 - Square + 02 - Triangle + 03 - Sine + 04 - Sawtooth up + 05 - Sawtooth down + 45 - update type, see Update type section + 74 27 - duration + 00 00 - offset + 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ``` -### Offset: `N/A ?` + +## Envelope + +Envelope related parameters are the same across all the effects. The only +difference is which effect specific parameters are used during the calculations. + +Damper, Friction, Inertia, and Spring do not support envelope. + +### attack length + +between 0 and 65535 + +On Windows, it has a minimum value depending on how far is the target from the +attack/fade level. This means that in case of an envelope that goes from zero +to max has the minimum length of 256ms. + +```length = abs((effectval * 32768 / effectmax - level) / 128)``` + +`effectval` is the current value of an effect specific parameter + +`effectmax` is the maximum value of `effectval` + +`level` is the current value of the attack/fade level + +Used parameters for each effect: + +| Effect | Parameter | +|----------|-----------| +| Constant | Strength | +| Periodic | Magnitude | +| Ramp | Slope | + +### attack level + +between 0 and 32764 + +### fade length + +between 0 and 65535 + +Uses the same calculation as attack length. + +### fade level + +between 0 and 32764 + + +## Update type + +``` +binary hex +01000001 41 duration +01000100 44 offset +01000101 45 duration + offset +``` ## PS4 Input `rdesc` ``` |