kmk_firmware/kmk/event_defs.py

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import logging
from collections import namedtuple
from micropython import const
from kmk.keycodes import Keycodes
from kmk.util import reset_bootloader
KEY_UP_EVENT = const(1)
KEY_DOWN_EVENT = const(2)
INIT_FIRMWARE_EVENT = const(3)
NEW_MATRIX_EVENT = const(4)
HID_REPORT_EVENT = const(5)
KEYCODE_UP_EVENT = const(6)
KEYCODE_DOWN_EVENT = const(7)
MACRO_COMPLETE_EVENT = const(8)
PENDING_KEYCODE_POP_EVENT = const(9)
logger = logging.getLogger(__name__)
InitFirmware = namedtuple('InitFirmware', (
'type',
'keymap',
'row_pins',
'col_pins',
'diode_orientation',
))
KeyUpDown = namedtuple('KeyUpDown', ('type', 'row', 'col'))
KeycodeUpDown = namedtuple('KeycodeUpDown', ('type', 'keycode'))
NewMatrix = namedtuple('NewMatrix', ('type', 'matrix'))
BareEvent = namedtuple('BareEvent', ('type',))
hid_report_event = BareEvent(
type=HID_REPORT_EVENT,
)
macro_complete_event = BareEvent(
type=MACRO_COMPLETE_EVENT,
)
pending_keycode_pop_event = BareEvent(
type=PENDING_KEYCODE_POP_EVENT,
)
def init_firmware(keymap, row_pins, col_pins, diode_orientation):
return InitFirmware(
type=INIT_FIRMWARE_EVENT,
keymap=keymap,
row_pins=row_pins,
col_pins=col_pins,
diode_orientation=diode_orientation,
)
def key_up_event(row, col):
return KeyUpDown(
type=KEY_UP_EVENT,
row=row,
col=col,
)
def key_down_event(row, col):
return KeyUpDown(
type=KEY_DOWN_EVENT,
row=row,
col=col,
)
def keycode_up_event(keycode):
'''
Press a key by Keycode object, bypassing the keymap. Used mostly for
macros.
'''
return KeycodeUpDown(
type=KEYCODE_UP_EVENT,
keycode=keycode,
)
def keycode_down_event(keycode):
'''
Release a key by Keycode object, bypassing the keymap. Used mostly for
macros.
'''
return KeycodeUpDown(
type=KEYCODE_DOWN_EVENT,
keycode=keycode,
)
def new_matrix_event(matrix):
return NewMatrix(
type=NEW_MATRIX_EVENT,
matrix=matrix,
)
def matrix_changed(new_pressed):
def _key_pressed(dispatch, get_state):
dispatch(new_matrix_event(new_pressed))
state = get_state()
if state.hid_pending:
dispatch(hid_report_event)
if Keycodes.KMK.KC_RESET in state.keys_pressed:
reset_bootloader()
if state.pending_keys:
for key in state.pending_keys:
if not key.no_press:
dispatch(keycode_down_event(key))
dispatch(hid_report_event)
if not key.no_release:
dispatch(keycode_up_event(key))
dispatch(hid_report_event)
dispatch(pending_keycode_pop_event)
if state.macro_pending:
macro = state.macro_pending
for event in macro(state):
dispatch(event)
dispatch(macro_complete_event)
return _key_pressed