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lilygo_t_display_s3.py: use full framebuffer

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This commit is contained in:
Thomas Farstrike
2026-03-10 22:29:40 +01:00
parent 18271c41e6
commit 4bc88fdae0
1 changed files with 14 additions and 9 deletions
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internal_filesystem/lib/mpos/board/lilygo_t_display_s3.py
+14 -9
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@@ -29,8 +29,15 @@ except Exception as e:
time.sleep(3)
machine.reset()
#_BUFFER_SIZE = const(28800)
_BUFFER_SIZE = const(170 * 320 * 2) # without the + 1 this triggers render_mode = lv.DISPLAY_RENDER_MODE.FULL which is broken on emulated hardware (actual hardware still to test)
#_BUFFER_SIZE = const(28800) # 320*240*2 / 5.33
# 153600 (320*240*2) is too much
# 150400 (320*235*2) is too much
# 148480 (320*232*2) is too much
#
# 147200 (320*230*2) is fine!
# 140800 (320*220*2) is fine!
# 108800 (320*170*2) is fine
_BUFFER_SIZE = const(320 * 170 * 2 + 1) # without the + 1 this triggers render_mode = lv.DISPLAY_RENDER_MODE.FULL which is broken on emulated hardware (actual hardware still to test)
fb1 = display_bus.allocate_framebuffer(_BUFFER_SIZE, lcd_bus.MEMORY_INTERNAL | lcd_bus.MEMORY_DMA)
#fb1_aligned = lv.draw_buf_align(fb1, lv.COLOR_FORMAT.RGB565)
#fb2 = display_bus.allocate_framebuffer(_BUFFER_SIZE, lcd_bus.MEMORY_INTERNAL | lcd_bus.MEMORY_DMA)
@@ -41,8 +48,8 @@ mpos.ui.main_display = st7789.ST7789(
data_bus=display_bus,
frame_buffer1=fb1,
#frame_buffer2=fb2,
display_width=320,
display_height=170,
display_width=170,
display_height=320,
color_space=lv.COLOR_FORMAT.RGB565,
# color_space=lv.COLOR_FORMAT.RGB888, # not supported on qemu
color_byte_order=st7789.BYTE_ORDER_BGR,
@@ -53,18 +60,16 @@ mpos.ui.main_display = st7789.ST7789(
backlight_pin=38, # needed
backlight_on_state=st7789.STATE_PWM,
offset_x=0,
offset_y=0
offset_y=35
) # this will trigger lv.init()
mpos.ui.main_display.set_power(True) # set RD pin to high before the rest, otherwise garbled output
mpos.ui.main_display.init()
mpos.ui.main_display.set_backlight(100) # works
#mpos.ui.main_display.set_rotation(lv.DISPLAY_ROTATION._270) # must be done after initializing display and creating the touch drivers, to ensure proper handling
mpos.ui.main_display.set_rotation(lv.DISPLAY_ROTATION._180)
mpos.ui.main_display.set_rotation(lv.DISPLAY_ROTATION._270) # must be done after initializing display and creating the touch drivers, to ensure proper handling
#mpos.ui.main_display.set_rotation(lv.DISPLAY_ROTATION._180) # doesnt suffer from the qemu full buffer issue
mpos.ui.main_display.set_color_inversion(True)
mpos.ui.frame_buffer1 = fb1
# Button handling code:
from machine import Pin
btn_a = Pin(0, Pin.IN, Pin.PULL_UP)