diff options
Diffstat (limited to 'tools/testing/selftests/hid/tests/test_wacom_generic.py')
| -rw-r--r-- | tools/testing/selftests/hid/tests/test_wacom_generic.py | 493 |
1 files changed, 489 insertions, 4 deletions
diff --git a/tools/testing/selftests/hid/tests/test_wacom_generic.py b/tools/testing/selftests/hid/tests/test_wacom_generic.py index f92fe8e02c1b..2d6d04f0ff80 100644 --- a/tools/testing/selftests/hid/tests/test_wacom_generic.py +++ b/tools/testing/selftests/hid/tests/test_wacom_generic.py @@ -27,6 +27,7 @@ from .descriptors_wacom import ( ) import attr +from collections import namedtuple from enum import Enum from hidtools.hut import HUT from hidtools.hid import HidUnit @@ -39,7 +40,7 @@ import logging logger = logging.getLogger("hidtools.test.wacom") -KERNEL_MODULE = ("wacom", "wacom") +KERNEL_MODULE = base.KernelModule("wacom", "wacom") class ProximityState(Enum): @@ -862,6 +863,8 @@ class TestPTHX60_Pen(TestOpaqueCTLTablet): class TestDTH2452Tablet(test_multitouch.BaseTest.TestMultitouch, TouchTabletTest): + ContactIds = namedtuple("ContactIds", "contact_id, tracking_id, slot_num") + def create_device(self): return test_multitouch.Digitizer( "DTH 2452", @@ -869,6 +872,57 @@ class TestDTH2452Tablet(test_multitouch.BaseTest.TestMultitouch, TouchTabletTest input_info=(0x3, 0x056A, 0x0383), ) + def make_contact(self, contact_id=0, t=0): + """ + Make a single touch contact that can move over time. + + Creates a touch object that has a well-known position in space that + does not overlap with other contacts. The value of `t` may be + incremented over time to move the point along a linear path. + """ + x = 50 + 10 * contact_id + t * 11 + y = 100 + 100 * contact_id + t * 11 + return test_multitouch.Touch(contact_id, x, y) + + def make_contacts(self, n, t=0): + """ + Make multiple touch contacts that can move over time. + + Returns a list of `n` touch objects that are positioned at well-known + locations. The value of `t` may be incremented over time to move the + points along a linear path. + """ + return [self.make_contact(id, t) for id in range(0, n)] + + def assert_contact(self, evdev, contact_ids, t=0): + """ + Assert properties of a contact generated by make_contact. + """ + contact_id = contact_ids.contact_id + tracking_id = contact_ids.tracking_id + slot_num = contact_ids.slot_num + + x = 50 + 10 * contact_id + t * 11 + y = 100 + 100 * contact_id + t * 11 + + # If the data isn't supposed to be stored in any slots, there is + # nothing we can check for in the evdev stream. + if slot_num is None: + assert tracking_id == -1 + return + + assert evdev.slots[slot_num][libevdev.EV_ABS.ABS_MT_TRACKING_ID] == tracking_id + if tracking_id != -1: + assert evdev.slots[slot_num][libevdev.EV_ABS.ABS_MT_POSITION_X] == x + assert evdev.slots[slot_num][libevdev.EV_ABS.ABS_MT_POSITION_Y] == y + + def assert_contacts(self, evdev, data, t=0): + """ + Assert properties of a list of contacts generated by make_contacts. + """ + for contact_ids in data: + self.assert_contact(evdev, contact_ids, t) + def test_contact_id_0(self): """ Bring a finger in contact with the tablet, then hold it down and remove it. @@ -909,7 +963,7 @@ class TestDTH2452Tablet(test_multitouch.BaseTest.TestMultitouch, TouchTabletTest Ensure that the confidence bit being set to false should not result in a touch event. """ uhdev = self.uhdev - evdev = uhdev.get_evdev() + _evdev = uhdev.get_evdev() t0 = test_multitouch.Touch(1, 50, 100) t0.confidence = False @@ -917,6 +971,437 @@ class TestDTH2452Tablet(test_multitouch.BaseTest.TestMultitouch, TouchTabletTest events = uhdev.next_sync_events() self.debug_reports(r, uhdev, events) - slot = self.get_slot(uhdev, t0, 0) + _slot = self.get_slot(uhdev, t0, 0) + + assert not events + + def test_confidence_multitouch(self): + """ + Bring multiple fingers in contact with the tablet, some with the + confidence bit set, and some without. + + Ensure that all confident touches are reported and that all non- + confident touches are ignored. + """ + uhdev = self.uhdev + evdev = uhdev.get_evdev() + + touches = self.make_contacts(5) + touches[0].confidence = False + touches[2].confidence = False + touches[4].confidence = False + + r = uhdev.event(touches) + events = uhdev.next_sync_events() + self.debug_reports(r, uhdev, events) + + assert libevdev.InputEvent(libevdev.EV_KEY.BTN_TOUCH, 1) in events + + self.assert_contacts( + evdev, + [ + self.ContactIds(contact_id=0, tracking_id=-1, slot_num=None), + self.ContactIds(contact_id=1, tracking_id=0, slot_num=0), + self.ContactIds(contact_id=2, tracking_id=-1, slot_num=None), + self.ContactIds(contact_id=3, tracking_id=1, slot_num=1), + self.ContactIds(contact_id=4, tracking_id=-1, slot_num=None), + ], + ) + + def confidence_change_assert_playback(self, uhdev, evdev, timeline): + """ + Assert proper behavior of contacts that move and change tipswitch / + confidence status over time. + + Given a `timeline` list of touch states to iterate over, verify + that the contacts move and are reported as up/down as expected + by the state of the tipswitch and confidence bits. + """ + t = 0 + + for state in timeline: + touches = self.make_contacts(len(state), t) + + for item in zip(touches, state): + item[0].tipswitch = item[1][1] + item[0].confidence = item[1][2] + + r = uhdev.event(touches) + events = uhdev.next_sync_events() + self.debug_reports(r, uhdev, events) + + ids = [x[0] for x in state] + self.assert_contacts(evdev, ids, t) + + t += 1 + + def test_confidence_loss_a(self): + """ + Transition a confident contact to a non-confident contact by + first clearing the tipswitch. - assert not events
\ No newline at end of file + Ensure that the driver reports the transitioned contact as + being removed and that other contacts continue to report + normally. This mode of confidence loss is used by the + DTH-2452. + """ + uhdev = self.uhdev + evdev = uhdev.get_evdev() + + self.confidence_change_assert_playback( + uhdev, + evdev, + [ + # t=0: Contact 0 == Down + confident; Contact 1 == Down + confident + # Both fingers confidently in contact + [ + ( + self.ContactIds(contact_id=0, tracking_id=0, slot_num=0), + True, + True, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + # t=1: Contact 0 == !Down + confident; Contact 1 == Down + confident + # First finger looses confidence and clears only the tipswitch flag + [ + ( + self.ContactIds(contact_id=0, tracking_id=-1, slot_num=0), + False, + True, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + # t=2: Contact 0 == !Down + !confident; Contact 1 == Down + confident + # First finger has lost confidence and has both flags cleared + [ + ( + self.ContactIds(contact_id=0, tracking_id=-1, slot_num=0), + False, + False, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + # t=3: Contact 0 == !Down + !confident; Contact 1 == Down + confident + # First finger has lost confidence and has both flags cleared + [ + ( + self.ContactIds(contact_id=0, tracking_id=-1, slot_num=0), + False, + False, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + ], + ) + + def test_confidence_loss_b(self): + """ + Transition a confident contact to a non-confident contact by + cleraing both tipswitch and confidence bits simultaneously. + + Ensure that the driver reports the transitioned contact as + being removed and that other contacts continue to report + normally. This mode of confidence loss is used by some + AES devices. + """ + uhdev = self.uhdev + evdev = uhdev.get_evdev() + + self.confidence_change_assert_playback( + uhdev, + evdev, + [ + # t=0: Contact 0 == Down + confident; Contact 1 == Down + confident + # Both fingers confidently in contact + [ + ( + self.ContactIds(contact_id=0, tracking_id=0, slot_num=0), + True, + True, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + # t=1: Contact 0 == !Down + !confident; Contact 1 == Down + confident + # First finger looses confidence and has both flags cleared simultaneously + [ + ( + self.ContactIds(contact_id=0, tracking_id=-1, slot_num=0), + False, + False, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + # t=2: Contact 0 == !Down + !confident; Contact 1 == Down + confident + # First finger has lost confidence and has both flags cleared + [ + ( + self.ContactIds(contact_id=0, tracking_id=-1, slot_num=0), + False, + False, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + # t=3: Contact 0 == !Down + !confident; Contact 1 == Down + confident + # First finger has lost confidence and has both flags cleared + [ + ( + self.ContactIds(contact_id=0, tracking_id=-1, slot_num=0), + False, + False, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + ], + ) + + def test_confidence_loss_c(self): + """ + Transition a confident contact to a non-confident contact by + clearing only the confidence bit. + + Ensure that the driver reports the transitioned contact as + being removed and that other contacts continue to report + normally. + """ + uhdev = self.uhdev + evdev = uhdev.get_evdev() + + self.confidence_change_assert_playback( + uhdev, + evdev, + [ + # t=0: Contact 0 == Down + confident; Contact 1 == Down + confident + # Both fingers confidently in contact + [ + ( + self.ContactIds(contact_id=0, tracking_id=0, slot_num=0), + True, + True, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + # t=1: Contact 0 == Down + !confident; Contact 1 == Down + confident + # First finger looses confidence and clears only the confidence flag + [ + ( + self.ContactIds(contact_id=0, tracking_id=-1, slot_num=0), + True, + False, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + # t=2: Contact 0 == !Down + !confident; Contact 1 == Down + confident + # First finger has lost confidence and has both flags cleared + [ + ( + self.ContactIds(contact_id=0, tracking_id=-1, slot_num=0), + False, + False, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + # t=3: Contact 0 == !Down + !confident; Contact 1 == Down + confident + # First finger has lost confidence and has both flags cleared + [ + ( + self.ContactIds(contact_id=0, tracking_id=-1, slot_num=0), + False, + False, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + ], + ) + + def test_confidence_gain_a(self): + """ + Transition a contact that was always non-confident to confident. + + Ensure that the confident contact is reported normally. + """ + uhdev = self.uhdev + evdev = uhdev.get_evdev() + + self.confidence_change_assert_playback( + uhdev, + evdev, + [ + # t=0: Contact 0 == Down + !confident; Contact 1 == Down + confident + # Only second finger is confidently in contact + [ + ( + self.ContactIds(contact_id=0, tracking_id=-1, slot_num=None), + True, + False, + ), + ( + self.ContactIds(contact_id=1, tracking_id=0, slot_num=0), + True, + True, + ), + ], + # t=1: Contact 0 == Down + !confident; Contact 1 == Down + confident + # First finger gains confidence + [ + ( + self.ContactIds(contact_id=0, tracking_id=-1, slot_num=None), + True, + False, + ), + ( + self.ContactIds(contact_id=1, tracking_id=0, slot_num=0), + True, + True, + ), + ], + # t=2: Contact 0 == Down + confident; Contact 1 == Down + confident + # First finger remains confident + [ + ( + self.ContactIds(contact_id=0, tracking_id=1, slot_num=1), + True, + True, + ), + ( + self.ContactIds(contact_id=1, tracking_id=0, slot_num=0), + True, + True, + ), + ], + # t=3: Contact 0 == Down + confident; Contact 1 == Down + confident + # First finger remains confident + [ + ( + self.ContactIds(contact_id=0, tracking_id=1, slot_num=1), + True, + True, + ), + ( + self.ContactIds(contact_id=1, tracking_id=0, slot_num=0), + True, + True, + ), + ], + ], + ) + + def test_confidence_gain_b(self): + """ + Transition a contact from non-confident to confident. + + Ensure that the confident contact is reported normally. + """ + uhdev = self.uhdev + evdev = uhdev.get_evdev() + + self.confidence_change_assert_playback( + uhdev, + evdev, + [ + # t=0: Contact 0 == Down + confident; Contact 1 == Down + confident + # First and second finger confidently in contact + [ + ( + self.ContactIds(contact_id=0, tracking_id=0, slot_num=0), + True, + True, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + # t=1: Contact 0 == Down + !confident; Contact 1 == Down + confident + # Firtst finger looses confidence + [ + ( + self.ContactIds(contact_id=0, tracking_id=-1, slot_num=0), + True, + False, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + # t=2: Contact 0 == Down + confident; Contact 1 == Down + confident + # First finger gains confidence + [ + ( + self.ContactIds(contact_id=0, tracking_id=2, slot_num=0), + True, + True, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + # t=3: Contact 0 == !Down + confident; Contact 1 == Down + confident + # First finger goes up + [ + ( + self.ContactIds(contact_id=0, tracking_id=-1, slot_num=0), + False, + True, + ), + ( + self.ContactIds(contact_id=1, tracking_id=1, slot_num=1), + True, + True, + ), + ], + ], + ) |
