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mathoudebinemathoudebine
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Implement BGRA mode for Turing 8.8" with SW rev. 90
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‎library/lcd/lcd_comm_rev_c.py‎

Lines changed: 36 additions & 33 deletions
Original file line numberDiff line numberDiff line change
@@ -125,7 +125,8 @@ class SubRevision(Enum):
125125
UNKNOWN = ""
126126
REV_2INCH = "chs_21inch"
127127
REV_5INCH = "chs_5inch"
128-
REV_8INCH = "chs_88inch"
128+
REV_8INCH_V88 = "chs_88inch.dev1_rom1.88"
129+
REV_8INCH_V90 = "chs_88inch.dev1_rom1.90"
129130

130131
def __init__(self, command):
131132
self.command = command
@@ -216,33 +217,24 @@ def _hello(self):
216217
self.serial_flush_input()
217218
logger.debug("HW sub-revision returned: %s" % ''.join(filter(lambda x: x in set(string.printable), response)))
218219

219-
# Note: sub-revisions returned by display are not reliable e.g. 2.1" displays return "chs_5inch"
220-
# if response.startswith(SubRevision.REV_5INCH.value):
221-
# self.sub_revision = SubRevision.REV_5INCH
222-
# self.display_width = 480
223-
# self.display_height = 800
224-
# elif response.startswith(SubRevision.REV_2INCH.value):
225-
# self.sub_revision = SubRevision.REV_2INCH
226-
# self.display_width = 480
227-
# self.display_height = 480
228-
# elif response.startswith(SubRevision.REV_8INCH.value):
229-
# self.sub_revision = SubRevision.REV_8INCH
230-
# self.display_width = 480
231-
# self.display_height = 1920
232-
# else:
233-
# logger.warning("Display returned unknown sub-revision on Hello answer (%s)" % str(response))
234-
# logger.debug("HW sub-revision detected: %s" % (str(self.sub_revision)))
235-
236-
# Relay on width/height for sub-revision detection
220+
# Note: sub-revisions returned by display are not reliable for some models e.g. 2.1" displays return "chs_5inch"
221+
# Relay mainly on width/height for sub-revision detection, except for 8.8" where ROM version matters
237222
if self.display_width == 480 and self.display_height == 480:
238223
self.sub_revision = SubRevision.REV_2INCH
239224
elif self.display_width == 480 and self.display_height == 800:
240225
self.sub_revision = SubRevision.REV_5INCH
241226
elif self.display_width == 480 and self.display_height == 1920:
242-
self.sub_revision = SubRevision.REV_8INCH
227+
if response.startswith(SubRevision.REV_8INCH_V88.value):
228+
self.sub_revision = SubRevision.REV_8INCH_V88
229+
elif response.startswith(SubRevision.REV_8INCH_V90.value):
230+
self.sub_revision = SubRevision.REV_8INCH_V90
231+
else:
232+
logger.warning("Display returned unknown sub-revision on Hello answer (%s)" % str(response))
243233
else:
244234
logger.error(f"Unsupported resolution {self.display_width}x{self.display_height} for revision C")
245235

236+
logger.debug("HW sub-revision detected: %s" % (str(self.sub_revision)))
237+
246238
def InitializeComm(self):
247239
self._hello()
248240

@@ -293,12 +285,12 @@ def SetOrientation(self, orientation: Orientation = Orientation.PORTRAIT):
293285
self.orientation = orientation
294286
# logger.info(f"Call SetOrientation to: {self.orientation.name}")
295287

296-
if self.orientation == Orientation.REVERSE_LANDSCAPE or self.orientation == Orientation.REVERSE_PORTRAIT:
297-
b = Command.STARTMODE_DEFAULT.value + Padding.NULL.value + Command.FLIP_180.value + SleepInterval.OFF.value
298-
self._send_command(Command.OPTIONS, payload=b)
299-
else:
300-
b = Command.STARTMODE_DEFAULT.value + Padding.NULL.value + Command.NO_FLIP.value + SleepInterval.OFF.value
301-
self._send_command(Command.OPTIONS, payload=b)
288+
# if self.orientation == Orientation.REVERSE_LANDSCAPE or self.orientation == Orientation.REVERSE_PORTRAIT:
289+
# b = Command.STARTMODE_DEFAULT.value + Padding.NULL.value + Command.FLIP_180.value + SleepInterval.OFF.value
290+
# self._send_command(Command.OPTIONS, payload=b)
291+
# else:
292+
b = Command.STARTMODE_DEFAULT.value + Padding.NULL.value + Command.NO_FLIP.value + SleepInterval.OFF.value
293+
self._send_command(Command.OPTIONS, payload=b)
302294

303295
def DisplayPILImage(
304296
self,
@@ -336,11 +328,12 @@ def DisplayPILImage(
336328
display_bmp_cmd = Command.DISPLAY_BITMAP_5INCH
337329
elif self.sub_revision == SubRevision.REV_2INCH:
338330
display_bmp_cmd = Command.DISPLAY_BITMAP_2INCH
339-
elif self.sub_revision == SubRevision.REV_8INCH:
331+
elif self.sub_revision == SubRevision.REV_8INCH_V88 or self.sub_revision == SubRevision.REV_8INCH_V90:
340332
display_bmp_cmd = Command.DISPLAY_BITMAP_8INCH
341333

342334
self._send_command(display_bmp_cmd,
343-
payload=bytearray(int(self.display_width * self.display_width / 64).to_bytes(2, "big")))
335+
payload=bytearray(
336+
int(self.display_width * self.display_width / 64).to_bytes(2, "big")))
344337
self._send_command(Command.SEND_PAYLOAD,
345338
payload=bytearray(self._generate_full_image(image)),
346339
readsize=1024)
@@ -354,7 +347,7 @@ def DisplayPILImage(
354347
Count.Start += 1
355348

356349
def _generate_full_image(self, image: Image.Image) -> bytes:
357-
if self.sub_revision == SubRevision.REV_8INCH:
350+
if self.sub_revision == SubRevision.REV_8INCH_V88 or self.sub_revision == SubRevision.REV_8INCH_V90:
358351
if self.orientation == Orientation.LANDSCAPE:
359352
image = image.rotate(270, expand=True)
360353
elif self.orientation == Orientation.REVERSE_LANDSCAPE:
@@ -379,7 +372,7 @@ def _generate_update_image(
379372
self, image: Image.Image, x: int, y: int, count: int, cmd: Optional[Command] = None
380373
) -> Tuple[bytearray, bytearray]:
381374
x0, y0 = x, y
382-
if self.sub_revision == SubRevision.REV_8INCH:
375+
if self.sub_revision == SubRevision.REV_8INCH_V88 or self.sub_revision == SubRevision.REV_8INCH_V90:
383376
if self.orientation == Orientation.LANDSCAPE:
384377
image = image.rotate(270, expand=True)
385378
y0 = self.get_height() - y - image.width
@@ -409,9 +402,19 @@ def _generate_update_image(
409402
y0 = x
410403

411404
img_raw_data = bytearray()
412-
bgr_data = image_to_BGR(image)
413-
for h, line in enumerate(chunked(bgr_data, image.width * 3)):
414-
if self.sub_revision == SubRevision.REV_8INCH:
405+
406+
# Some screens require BGR for update image, some require BGRA
407+
if self.sub_revision == SubRevision.REV_8INCH_V90:
408+
# BGRA mode
409+
img_data = image_to_BGRA(image)
410+
pixel_size = 4
411+
else:
412+
# BGR mode
413+
img_data = image_to_BGR(image)
414+
pixel_size = 3
415+
416+
for h, line in enumerate(chunked(img_data, image.width * pixel_size)):
417+
if self.sub_revision == SubRevision.REV_8INCH_V88 or self.sub_revision == SubRevision.REV_8INCH_V90:
415418
img_raw_data += int(((x0 + h) * self.display_width) + y0).to_bytes(3, "big")
416419
else:
417420
img_raw_data += int(((x0 + h) * self.display_height) + y0).to_bytes(3, "big")

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