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keyboard: get rid of hardcoded bytes

main
Ilya Zhuravlev 2020-10-16 15:37:50 -04:00
parent 3a86eeb8d7
commit f89bb1e629
1 changed files with 14 additions and 5 deletions
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19
src/main/python/keyboard.py
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@ -8,6 +8,15 @@ from kle_serial import Serial as KleSerial
from util import MSG_LEN, hid_send
CMD_VIA_GET_KEYCODE = 0x04
CMD_VIA_SET_KEYCODE = 0x05
CMD_VIA_GET_LAYER_COUNT = 0x11
CMD_VIA_VIAL_PREFIX = 0xFE
CMD_VIAL_GET_SIZE = 0x01
CMD_VIAL_GET_DEFINITION = 0x02
class Keyboard:
""" Low-level communication with a vial-enabled keyboard """
@ -32,20 +41,20 @@ class Keyboard:
def reload_layers(self):
""" Get how many layers the keyboard has """
self.layers = hid_send(self.dev, b"\x11")[1]
self.layers = hid_send(self.dev, struct.pack("B", CMD_VIA_GET_LAYER_COUNT))[1]
def reload_layout(self):
""" Requests layout data from the current device """
# get the size
data = hid_send(self.dev, b"\xFE\x01")
data = hid_send(self.dev, struct.pack("BB", CMD_VIA_VIAL_PREFIX, CMD_VIAL_GET_SIZE))
sz = struct.unpack("<I", data[0:4])[0]
# get the payload
payload = b""
block = 0
while sz > 0:
data = hid_send(self.dev, b"\xFE\x02" + struct.pack("<I", block))
data = hid_send(self.dev, struct.pack("<BBI", CMD_VIA_VIAL_PREFIX, CMD_VIAL_GET_DEFINITION, block))
if sz < MSG_LEN:
data = data[:sz]
payload += data
@ -72,10 +81,10 @@ class Keyboard:
for layer in range(self.layers):
for row, col in self.rowcol:
data = hid_send(self.dev, b"\x04" + struct.pack("<BBB", layer, row, col))
data = hid_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
def set_key(self, layer, row, col, code):
hid_send(self.dev, struct.pack(">BBBBH", 5, layer, row, col, code))
hid_send(self.dev, struct.pack(">BBBBH", CMD_VIA_SET_KEYCODE, layer, row, col, code))
self.layout[(layer, row, col)] = code