From patchwork Wed Nov 29 15:24:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Tissoires X-Patchwork-Id: 748348 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3808D374FA; Wed, 29 Nov 2023 15:25:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="RkeJh43T" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7D4FFC433CB; Wed, 29 Nov 2023 15:25:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701271519; bh=uqWfmCl2vZTNBGQW3I2y+s3kBWYZ2gqQvlfYZ2vvT24=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=RkeJh43TIojQnFOoY4jFFa2st09sE+PdhPqWNeVh/X/msl9+70cCLeVMUeAX8vuOG DecouLITgSvjFe3OUx5fVvAowgTy6gsQzUNxso5bSQ8L3PJRGwL3kU/5DU4/5pCBhj yZOMBzgV3Pq6+XaZSCzgJpmR5VvdWAgvlLwZD/eEX5sFPNIkCYhz14WdgcY5Vw1fIv mnypRXDmRI3yEWn9TawdwzzLNyyz6WHfl0Yd3zPhuH8qzWud2f8rVgfJKT/829TE6J VsFsmfaNAyPoo0QyuqSIeuPB7wcGar/keQg2Q2BOHT1uWWn72S+atqxa+3LbGjQJxX 3+TLxilJN33rw== From: Benjamin Tissoires Date: Wed, 29 Nov 2023 16:24:34 +0100 Subject: [PATCH 09/12] selftests/hid: tablets: add variants of states with buttons Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20231129-wip-selftests-v1-9-ba15a1fe1b0d@kernel.org> References: <20231129-wip-selftests-v1-0-ba15a1fe1b0d@kernel.org> In-Reply-To: <20231129-wip-selftests-v1-0-ba15a1fe1b0d@kernel.org> To: Jiri Kosina , Benjamin Tissoires , Shuah Khan , Peter Hutterer Cc: linux-input@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Benjamin Tissoires X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=ed25519-sha256; t=1701271499; l=11152; i=bentiss@kernel.org; s=20230215; h=from:subject:message-id; bh=uqWfmCl2vZTNBGQW3I2y+s3kBWYZ2gqQvlfYZ2vvT24=; b=7yIyysCibofBZjqn46A2ADLyBatKwXq0y/QHWgBWB8QcYlPDNni4VuDB2fJmvOL0NV4hgdYSS eqFgz11FF0vDEWRrkz0Ig9ABCir9m8sBa26D2iNC7zIHFZSAJdCxFJe X-Developer-Key: i=bentiss@kernel.org; a=ed25519; pk=7D1DyAVh6ajCkuUTudt/chMuXWIJHlv2qCsRkIizvFw= Turns out that there are transitions that are unlikely to happen: for example, having both the tip switch and a button being changed at the same time (in the same report) would require either a very talented and precise user or a very bad hardware with a very low sampling rate. So instead of manually building the button test by hand and forgetting about some cases, let's reuse the state machine and transitions we have. This patch only adds the states and the valid transitions. The actual tests will be replaced later. Signed-off-by: Benjamin Tissoires --- tools/testing/selftests/hid/tests/test_tablet.py | 170 +++++++++++++++++++++-- 1 file changed, 157 insertions(+), 13 deletions(-) diff --git a/tools/testing/selftests/hid/tests/test_tablet.py b/tools/testing/selftests/hid/tests/test_tablet.py index 83f6501fe984..80269d1a0f0a 100644 --- a/tools/testing/selftests/hid/tests/test_tablet.py +++ b/tools/testing/selftests/hid/tests/test_tablet.py @@ -21,22 +21,66 @@ logger = logging.getLogger("hidtools.test.tablet") class PenState(Enum): """Pen states according to Microsoft reference: https://docs.microsoft.com/en-us/windows-hardware/design/component-guidelines/windows-pen-states - """ - PEN_IS_OUT_OF_RANGE = (False, None) - PEN_IS_IN_RANGE = (False, libevdev.EV_KEY.BTN_TOOL_PEN) - PEN_IS_IN_CONTACT = (True, libevdev.EV_KEY.BTN_TOOL_PEN) - PEN_IS_IN_RANGE_WITH_ERASING_INTENT = (False, libevdev.EV_KEY.BTN_TOOL_RUBBER) - PEN_IS_ERASING = (True, libevdev.EV_KEY.BTN_TOOL_RUBBER) + We extend it with the various buttons when we need to check them. + """ - def __init__(self, touch, tool): + PEN_IS_OUT_OF_RANGE = (False, None, None) + PEN_IS_IN_RANGE = (False, libevdev.EV_KEY.BTN_TOOL_PEN, None) + PEN_IS_IN_RANGE_WITH_BUTTON = ( + False, + libevdev.EV_KEY.BTN_TOOL_PEN, + libevdev.EV_KEY.BTN_STYLUS, + ) + PEN_IS_IN_RANGE_WITH_SECOND_BUTTON = ( + False, + libevdev.EV_KEY.BTN_TOOL_PEN, + libevdev.EV_KEY.BTN_STYLUS2, + ) + PEN_IS_IN_CONTACT = (True, libevdev.EV_KEY.BTN_TOOL_PEN, None) + PEN_IS_IN_CONTACT_WITH_BUTTON = ( + True, + libevdev.EV_KEY.BTN_TOOL_PEN, + libevdev.EV_KEY.BTN_STYLUS, + ) + PEN_IS_IN_CONTACT_WITH_SECOND_BUTTON = ( + True, + libevdev.EV_KEY.BTN_TOOL_PEN, + libevdev.EV_KEY.BTN_STYLUS2, + ) + PEN_IS_IN_RANGE_WITH_ERASING_INTENT = (False, libevdev.EV_KEY.BTN_TOOL_RUBBER, None) + PEN_IS_IN_RANGE_WITH_ERASING_INTENT_WITH_BUTTON = ( + False, + libevdev.EV_KEY.BTN_TOOL_RUBBER, + libevdev.EV_KEY.BTN_STYLUS, + ) + PEN_IS_IN_RANGE_WITH_ERASING_INTENT_WITH_SECOND_BUTTON = ( + False, + libevdev.EV_KEY.BTN_TOOL_RUBBER, + libevdev.EV_KEY.BTN_STYLUS2, + ) + PEN_IS_ERASING = (True, libevdev.EV_KEY.BTN_TOOL_RUBBER, None) + PEN_IS_ERASING_WITH_BUTTON = ( + True, + libevdev.EV_KEY.BTN_TOOL_RUBBER, + libevdev.EV_KEY.BTN_STYLUS, + ) + PEN_IS_ERASING_WITH_SECOND_BUTTON = ( + True, + libevdev.EV_KEY.BTN_TOOL_RUBBER, + libevdev.EV_KEY.BTN_STYLUS2, + ) + + def __init__(self, touch, tool, button): self.touch = touch self.tool = tool + self.button = button @classmethod def from_evdev(cls, evdev) -> "PenState": touch = bool(evdev.value[libevdev.EV_KEY.BTN_TOUCH]) tool = None + button = None if ( evdev.value[libevdev.EV_KEY.BTN_TOOL_RUBBER] and not evdev.value[libevdev.EV_KEY.BTN_TOOL_PEN] @@ -53,7 +97,17 @@ class PenState(Enum): ): raise ValueError("2 tools are not allowed") - return cls((touch, tool)) + # we take only the highest button in account + for b in [libevdev.EV_KEY.BTN_STYLUS, libevdev.EV_KEY.BTN_STYLUS2]: + if bool(evdev.value[b]): + button = b + + # the kernel tends to insert an EV_SYN once removing the tool, so + # the button will be released after + if tool is None: + button = None + + return cls((touch, tool, button)) def apply(self, events) -> "PenState": if libevdev.EV_SYN.SYN_REPORT in events: @@ -62,6 +116,8 @@ class PenState(Enum): touch_found = False tool = self.tool tool_found = False + button = self.button + button_found = False for ev in events: if ev == libevdev.InputEvent(libevdev.EV_KEY.BTN_TOUCH): @@ -76,12 +132,22 @@ class PenState(Enum): if tool_found: raise ValueError(f"duplicated BTN_TOOL_* in {events}") tool_found = True - if ev.value: - tool = ev.code - else: - tool = None + tool = ev.code if ev.value else None + elif ev in ( + libevdev.InputEvent(libevdev.EV_KEY.BTN_STYLUS), + libevdev.InputEvent(libevdev.EV_KEY.BTN_STYLUS2), + ): + if button_found: + raise ValueError(f"duplicated BTN_STYLUS* in {events}") + button_found = True + button = ev.code if ev.value else None - new_state = PenState((touch, tool)) + # the kernel tends to insert an EV_SYN once removing the tool, so + # the button will be released after + if tool is None: + button = None + + new_state = PenState((touch, tool, button)) assert ( new_state in self.valid_transitions() ), f"moving from {self} to {new_state} is forbidden" @@ -97,14 +163,20 @@ class PenState(Enum): return ( PenState.PEN_IS_OUT_OF_RANGE, PenState.PEN_IS_IN_RANGE, + PenState.PEN_IS_IN_RANGE_WITH_BUTTON, + PenState.PEN_IS_IN_RANGE_WITH_SECOND_BUTTON, PenState.PEN_IS_IN_RANGE_WITH_ERASING_INTENT, PenState.PEN_IS_IN_CONTACT, + PenState.PEN_IS_IN_CONTACT_WITH_BUTTON, + PenState.PEN_IS_IN_CONTACT_WITH_SECOND_BUTTON, PenState.PEN_IS_ERASING, ) if self == PenState.PEN_IS_IN_RANGE: return ( PenState.PEN_IS_IN_RANGE, + PenState.PEN_IS_IN_RANGE_WITH_BUTTON, + PenState.PEN_IS_IN_RANGE_WITH_SECOND_BUTTON, PenState.PEN_IS_OUT_OF_RANGE, PenState.PEN_IS_IN_CONTACT, ) @@ -112,6 +184,8 @@ class PenState(Enum): if self == PenState.PEN_IS_IN_CONTACT: return ( PenState.PEN_IS_IN_CONTACT, + PenState.PEN_IS_IN_CONTACT_WITH_BUTTON, + PenState.PEN_IS_IN_CONTACT_WITH_SECOND_BUTTON, PenState.PEN_IS_IN_RANGE, PenState.PEN_IS_OUT_OF_RANGE, ) @@ -130,6 +204,38 @@ class PenState(Enum): PenState.PEN_IS_OUT_OF_RANGE, ) + if self == PenState.PEN_IS_IN_RANGE_WITH_BUTTON: + return ( + PenState.PEN_IS_IN_RANGE_WITH_BUTTON, + PenState.PEN_IS_IN_RANGE, + PenState.PEN_IS_OUT_OF_RANGE, + PenState.PEN_IS_IN_CONTACT_WITH_BUTTON, + ) + + if self == PenState.PEN_IS_IN_CONTACT_WITH_BUTTON: + return ( + PenState.PEN_IS_IN_CONTACT_WITH_BUTTON, + PenState.PEN_IS_IN_CONTACT, + PenState.PEN_IS_IN_RANGE_WITH_BUTTON, + PenState.PEN_IS_OUT_OF_RANGE, + ) + + if self == PenState.PEN_IS_IN_RANGE_WITH_SECOND_BUTTON: + return ( + PenState.PEN_IS_IN_RANGE_WITH_SECOND_BUTTON, + PenState.PEN_IS_IN_RANGE, + PenState.PEN_IS_OUT_OF_RANGE, + PenState.PEN_IS_IN_CONTACT_WITH_SECOND_BUTTON, + ) + + if self == PenState.PEN_IS_IN_CONTACT_WITH_SECOND_BUTTON: + return ( + PenState.PEN_IS_IN_CONTACT_WITH_SECOND_BUTTON, + PenState.PEN_IS_IN_CONTACT, + PenState.PEN_IS_IN_RANGE_WITH_SECOND_BUTTON, + PenState.PEN_IS_OUT_OF_RANGE, + ) + return tuple() @staticmethod @@ -364,26 +470,64 @@ class PenDigitizer(base.UHIDTestDevice): pen.xtilt = 0 pen.ytilt = 0 pen.twist = 0 + pen.barrelswitch = False + pen.secondarybarrelswitch = False elif state == PenState.PEN_IS_IN_RANGE: pen.tipswitch = False pen.inrange = True pen.invert = False pen.eraser = False + pen.barrelswitch = False + pen.secondarybarrelswitch = False elif state == PenState.PEN_IS_IN_CONTACT: pen.tipswitch = True pen.inrange = True pen.invert = False pen.eraser = False + pen.barrelswitch = False + pen.secondarybarrelswitch = False + elif state == PenState.PEN_IS_IN_RANGE_WITH_BUTTON: + pen.tipswitch = False + pen.inrange = True + pen.invert = False + pen.eraser = False + pen.barrelswitch = True + pen.secondarybarrelswitch = False + elif state == PenState.PEN_IS_IN_CONTACT_WITH_BUTTON: + pen.tipswitch = True + pen.inrange = True + pen.invert = False + pen.eraser = False + pen.barrelswitch = True + pen.secondarybarrelswitch = False + elif state == PenState.PEN_IS_IN_RANGE_WITH_SECOND_BUTTON: + pen.tipswitch = False + pen.inrange = True + pen.invert = False + pen.eraser = False + pen.barrelswitch = False + pen.secondarybarrelswitch = True + elif state == PenState.PEN_IS_IN_CONTACT_WITH_SECOND_BUTTON: + pen.tipswitch = True + pen.inrange = True + pen.invert = False + pen.eraser = False + pen.barrelswitch = False + pen.secondarybarrelswitch = True elif state == PenState.PEN_IS_IN_RANGE_WITH_ERASING_INTENT: pen.tipswitch = False pen.inrange = True pen.invert = True pen.eraser = False + pen.barrelswitch = False + pen.secondarybarrelswitch = False elif state == PenState.PEN_IS_ERASING: pen.tipswitch = False pen.inrange = True pen.invert = False pen.eraser = True + pen.barrelswitch = False + pen.secondarybarrelswitch = False pen.current_state = state