Merge pull request #23 from Lawstorant/moza-fuzz

Defuzz additional axes

README.md

@@ -25,9 +25,9 @@ And that's basically it
 
 
 ## What does not work?
-1. Telemetry functions (Shift lights, displays, SimHub, etc), mostly because telemetry works only with proprietary soft, which can't get access to shared memory chunks from games.
+1. Telemetry functions. They are handeled by [Monocoque](https://github.com/Spacefreak18/monocoque)
 2. `Firmware Update` function. Use Windows PC or Windows VM at the moment.
-3. Setup through proprietary software. May require [some tweaking](#how-to-set-up-a-base-parameters))
+3. Setup through proprietary software. May require [some tweaking](#how-to-set-up-a-base-parameters)
 
 ## How to install this driver?
 You can install it through AUR package, through DKMS or manually.
@@ -61,6 +61,9 @@ Best for debugging purposes, where you need frequently change codebase/branches
 To unload module:
 `sudo rmmod hid_universal_pidff`
 
+### Testing
+To test the supported effects, use ffbplay from [ffbtools](https://github.com/berarma/ffbtools) and play the included [effect-test.ffb](./effect-test.ffb) file
+
 ## How to set up a base parameters?
 ### MOZA
 **[Boxflat](https://github.com/Lawstorant/boxflat)** is a Linux Pit House alternative made by [@Lawstorant](https://github.com/Lawstorant)

effect-test.ffb

@@ -0,0 +1,67 @@
+00000000 # Constant force left
+00000000 > UPLOAD id:-1 dir:16384 type:CONSTANT level:9000
+00000000 < 0 id:0
+00000000 > PLAY 0 1
+03000000 # Constant force right
+03000000 > UPLOAD id:0 dir:16384 type:CONSTANT level:-9000
+06000000 # Spring
+06000000 > REMOVE 0
+06000000 > UPLOAD id:-1 dir:16384 type:SPRING left_coeff:32767 right_coeff:32767
+06000000 < 0 id:0
+06000000 > PLAY 0 1
+07000000 # Move the wheel yourself to test these next 3 effects
+09000000 > STOP 0
+09000000 # Damper
+09000000 > REMOVE 0
+09000000 > UPLOAD id:-1 dir:16384 type:DAMPER left_coeff:32767 right_coeff:32767
+09000000 < 0 id:0
+09000000 > PLAY 0 1
+12000000 # Friction
+12000000 > STOP 0
+12000000 > REMOVE 0
+12000000 > UPLOAD id:-1 dir:16384 type:FRICTION left_coeff:32767 right_coeff:32767
+12000000 < 0 id:0
+12000000 > PLAY 0 1
+15000000 # Inertia
+15000000 > STOP 0
+15000000 > REMOVE 0
+15000000 > UPLOAD id:-1 dir:16384 type:INERTIA left_coeff:32767 right_coeff:32767
+15000000 < 0 id:0
+15000000 > PLAY 0 1
+18000000 # Periodic sine
+18000000 > REMOVE 0
+18000000 > UPLOAD id:-1 dir:16384 type:PERIODIC waveform:SINE period:100 magnitude:9000
+18000000 < 0 id:0
+18000000 > PLAY 0 1
+21000000 # Periodic square
+21000000 > REMOVE 0
+21000000 > UPLOAD id:-1 dir:16384 type:PERIODIC waveform:SQUARE period:100 magnitude:9000
+21000000 < 0 id:0
+21000000 > PLAY 0 1
+24000000 # Periodic triangle
+24000000 > REMOVE 0
+24000000 > UPLOAD id:-1 dir:16384 type:PERIODIC waveform:TRIANGLE period:100 magnitude:9000
+24000000 < 0 id:0
+24000000 > PLAY 0 1
+27000000 # Periodic saw up
+27000000 > REMOVE 0
+27000000 > UPLOAD id:-1 dir:16384 type:PERIODIC waveform:SAW_UP period:100 magnitude:9000
+27000000 < 0 id:0
+27000000 > PLAY 0 1
+30000000 # Periodic saw down
+30000000 > REMOVE 0
+30000000 > UPLOAD id:-1 dir:16384 type:PERIODIC waveform:SAW_DOWN period:100 magnitude:9000
+30000000 < 0 id:0
+30000000 > PLAY 0 1
+33000000 # Sine constant force emulation left
+33000000 > REMOVE 0
+33000000 > UPLOAD id:-1 dir:16384 type:PERIODIC waveform:SINE period:1000 magnitude:0 offset:12000
+33000000 < 0 id:0
+33000000 > PLAY 0 1
+36000000 # Sine constant force emulation right
+36000000 > UPLOAD id:0 dir:16384 type:PERIODIC waveform:SINE period:1000 magnitude:0 offset:-12000
+39000000 > REMOVE 0
+39000000 # Sine constant force emulation right
+39000000 > UPLOAD id:0 dir:16384 type:PERIODIC waveform:SINE period:1000 magnitude:0 offset:-12000
+42000000 > STOP 0
+42000000 > REMOVE 0

hid-pidff-wrapper.c

@@ -121,12 +121,22 @@ err:
 static int universal_pidff_input_configured(struct hid_device *hdev,
 				struct hid_input *hidinput)
 {
-	// Remove fuzz and deadzone
+	// Remove fuzz and deadzone from the wheel axis
 	struct input_dev *input = hidinput->input;
 	input_set_abs_params(input, ABS_X,
 		input->absinfo[ABS_X].minimum, input->absinfo[ABS_X].maximum, 0, 0);
 
-	return 0;
+	// Decrease fuzz and deadzone on additional axes
+	// Default Linux values are 255 for fuzz and 4096 for flat (deadzone)
+	short axis;
+	for (axis = ABS_Y; axis <= ABS_BRAKE, axis++) {
+		if (!test_bit(input->absbit, axis))
+			continue;
+
+		input_set_abs_params(input, axis,
+			input->absinfo[axis].minimum,
+			input->absinfo[axis].maximum, 8, 16);
+	}
 }
 
 static struct hid_driver universal_pidff = {