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keyboard: implement fast batch keymap retrieval

main
Ilya Zhuravlev 2020-12-21 02:10:51 -05:00
parent e8f197e2e8
commit b9c10095e5
1 changed files with 14 additions and 7 deletions
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21
src/main/python/keyboard.py
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@ -6,8 +6,7 @@ import lzma
from collections import OrderedDict
from kle_serial import Serial as KleSerial
from util import MSG_LEN, hid_send
from util import MSG_LEN, hid_send, chunks
CMD_VIA_GET_KEYBOARD_VALUE = 0x02
CMD_VIA_SET_KEYBOARD_VALUE = 0x03
@ -23,6 +22,7 @@ CMD_VIAL_GET_SIZE = 0x01
CMD_VIAL_GET_DEFINITION = 0x02
CMD_VIAL_GET_ENCODER = 0x03
CMD_VIAL_SET_ENCODER = 0x04
CMD_VIAL_GET_KEYMAP_FAST = 0x05
class Keyboard:
@ -115,7 +115,7 @@ class Keyboard:
row, col = int(row), int(col)
key.row = row
key.col = col
self.rowcol[(row, col)] = True
self.rowcol.setdefault(row, []).append(col)
self.keys.append(key)
# bottom right corner determines layout index and option in this layout
@ -129,10 +129,17 @@ class Keyboard:
""" Load current key mapping from the keyboard """
for layer in range(self.layers):
for row, col in self.rowcol.keys():
data = self.usb_send(self.dev, struct.pack("BBBB", CMD_VIA_GET_KEYCODE, layer, row, col))
keycode = struct.unpack(">H", data[4:6])[0]
self.layout[(layer, row, col)] = keycode
for row, cols in self.rowcol.items():
for chunk in chunks(cols, 16):
req = struct.pack("BBBB", CMD_VIA_VIAL_PREFIX, CMD_VIAL_GET_KEYMAP_FAST, layer, row)
for col in chunk:
req += struct.pack("B", col)
req += b"\xFF" * (MSG_LEN - len(req))
data = self.usb_send(self.dev, req)
for x, col in enumerate(chunk):
keycode = struct.unpack(">H", data[x*2:x*2+2])[0]
self.layout[(layer, row, col)] = keycode
for layer in range(self.layers):
for idx in self.encoderpos: