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Revert to known-good header for StreamDeck Original V1 #48

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Revert to known-good header for StreamDeck Original V1 #48

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d5aeae8
Revert to known-good header for StreamDeck Original V1
Jun 26, 2020
11aba52
Merge branch 'subbed'
Jun 27, 2020
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65 changes: 31 additions & 34 deletions src/StreamDeck/Devices/StreamDeckOriginal.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,13 +20,15 @@ class StreamDeckOriginal(StreamDeck):
KEY_PIXEL_WIDTH = 72
KEY_PIXEL_HEIGHT = 72
KEY_IMAGE_FORMAT = "BMP"
KEY_PIXEL_DEPTH = 3
KEY_FLIP = (True, True)
KEY_ROTATION = 0

KEY_IMAGE_SIZE = KEY_PIXEL_WIDTH * KEY_PIXEL_HEIGHT * KEY_PIXEL_DEPTH
DECK_TYPE = "Stream Deck Original"

IMAGE_REPORT_LENGTH = 8191
IMAGE_REPORT_HEADER_LENGTH = 16
IMAGE_BYTES_PAGE_1 = 2583 * 3

# 72 x 72 black BMP
BLANK_KEY_IMAGE = [
Expand Down Expand Up @@ -146,42 +148,37 @@ def set_key_image(self, key, image):
color.
"""

image = bytes(image or self.KEY_IMAGE_SIZE)

if min(max(key, 0), self.KEY_COUNT) != key:
raise IndexError("Invalid key index {}.".format(key))

image = bytes(image or self.BLANK_KEY_IMAGE)
image_report_payload_length = len(image) // 2
if len(image) != self.KEY_IMAGE_SIZE:
raise ValueError("Invalid image size {}.".format(len(image)))

key = self._convert_key_id_origin(key)

page_number = 0
bytes_remaining = len(image)
while bytes_remaining > 0:
this_length = min(bytes_remaining, image_report_payload_length)
bytes_sent = page_number * image_report_payload_length

header = [
0x02,
0x01,
page_number + 1,
0,
1 if this_length == bytes_remaining else 0,
key + 1,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
]

payload = bytes(header) + image[bytes_sent:bytes_sent + this_length]
padding = bytearray(self.IMAGE_REPORT_LENGTH - len(payload))
self.device.write(payload + padding)

bytes_remaining = bytes_remaining - this_length
page_number = page_number + 1
is_start_page = 0x01
is_not_start_page = 0x00

header_1 = [
0x02, 0x01, is_start_page, 0x00, 0x00, key + 1, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x42, 0x4d, 0xf6, 0x3c, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x36, 0x00, 0x00, 0x00, 0x28, 0x00,
0x00, 0x00, 0x48, 0x00, 0x00, 0x00, 0x48, 0x00,
0x00, 0x00, 0x01, 0x00, 0x18, 0x00, 0x00, 0x00,
0x00, 0x00, 0xc0, 0x3c, 0x00, 0x00, 0xc4, 0x0e,
0x00, 0x00, 0xc4, 0x0e, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
]
header_2 = [
0x02, 0x01, 0x02, is_not_start_page, 0x01, key + 1, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
]

payload_1 = bytes(header_1) + image[: self.IMAGE_BYTES_PAGE_1]
payload_2 = bytes(header_2) + image[self.IMAGE_BYTES_PAGE_1:]

self.device.write(payload_1)
self.device.write(payload_2)