It is indeed the same thing, the parameter index 36 is for deceleration.
Hysteresis may cause a very small and (hopefully) hardly noticeable delay
when a touch starts moving, or a movement changes its orientation on both
axes. It does not affect speed or directions.
On 10/14/20 8:16 PM, Brennan Vincent wrote:
> I have found something that makes it feel linear, finally.
>
> doas wsconsctl mouse.tp.deceleration=0
>
> With the following patch. Maybe this does the same thing as your mouse0.param
> suggestion? Although I didn't touch the x/y hysteresis values (34/35).
>
> diff --git sbin/wsconsctl/mouse.c sbin/wsconsctl/mouse.c
> index e04642dacbc..0f1594e17e0 100644
> --- sbin/wsconsctl/mouse.c
> +++ sbin/wsconsctl/mouse.c
> @@ -61,6 +61,7 @@ struct field mouse_field_tab[] = {
> { "tp.swapsides", &cfg_swapsides, FMT_CFG, FLG_NORDBACK
> },
> { "tp.disable", &cfg_disable, FMT_CFG, FLG_NORDBACK },
> { "tp.edges", &cfg_edges, FMT_CFG, FLG_NORDBACK },
> + { "tp.deceleration", &cfg_decel, FMT_CFG, FLG_NORDBACK },
> { "tp.param", &cfg_param, FMT_CFG, FLG_WRONLY },
> /* Add an alias. This field is valid for all wsmouse devices. */
> { "param", &cfg_param, FMT_CFG, FLG_WRONLY },
> diff --git sbin/wsconsctl/mousecfg.c sbin/wsconsctl/mousecfg.c
> index 6d52bcbfc9c..6162df5c229 100644
> --- sbin/wsconsctl/mousecfg.c
> +++ sbin/wsconsctl/mousecfg.c
> @@ -109,6 +109,12 @@ struct wsmouse_parameters cfg_revscroll = {
> 1
> };
>
> +struct wsmouse_parameters cfg_decel = {
> + (struct wsmouse_param[]) {
> + { WSMOUSECFG_DECELERATION, 0 }, },
> + 1
> +};
> +
> struct wsmouse_parameters cfg_param = {
> (struct wsmouse_param[]) {
> { -1, 0 },
> diff --git sbin/wsconsctl/mousecfg.h sbin/wsconsctl/mousecfg.h
> index 8e99139d280..97ef153fcb3 100644
> --- sbin/wsconsctl/mousecfg.h
> +++ sbin/wsconsctl/mousecfg.h
> @@ -22,6 +22,7 @@ extern struct wsmouse_parameters cfg_edges;
> extern struct wsmouse_parameters cfg_swapsides;
> extern struct wsmouse_parameters cfg_disable;
> extern struct wsmouse_parameters cfg_revscroll;
> +extern struct wsmouse_parameters cfg_decel;
> extern struct wsmouse_parameters cfg_param;
> extern int cfg_touchpad;
>
>
> On 10/14/20 2:12 PM, Ulf Brosziewski wrote:
>> Could you tell us why it feels weird?
>>
>> If you are really serious about a completely "linear" response, you might
>> want to try
>> $ doas wsconsctl mouse0.param=34:0,35:0,36:0
>> This turns off noise filtering and deceleration (very low speeds are slowed
>> down even further, which may be helpful if you want to hit a 1-pixel window
>> border, for example). What remains is the filtering performed by the
>> firmware,
>> which may be decent nowadays, or not.
>>
>>
>> On 10/14/20 8:22 AM, Brennan Vincent wrote:
>>> On 10/14/20 1:49 AM, Otto Moerbeek wrote:
>>>> On Tue, Oct 13, 2020 at 11:38:11PM -0400, Brennan Vincent wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> I am using the wsmouse driver with x11, and no amount of googling or
>>>>> reading
>>>>> man pages has helped me figure out how to disable acceleration and have
>>>>> completely flat/linear response. Is this possible?
>>>>>
>>>>> I know that I can change sensitivity with `mouse.tp.scaling=<whatever>`,
>>>>> but
>>>>> I don't think this affects acceleration.
>>>>>
>>>>>
>>>> Check xset (and maybe xinput, but I;ve never used that).
>>>>
>>>> -Otto
>>> Thanks. `xinput --set-prop /dev/wsmouse0 'Device Accel Profile' -1` seems
>>> to have made things a lot better, although it still feels a bit weird. I
>>> could just be imagining it.
>>>
>>> Anyway, thanks for the pointers!
>>>
>>>
>
