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Add lilygo_t_display_s3 (unfinished)

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This commit is contained in:
Thomas Farstrike
2026-02-20 15:39:09 +01:00
parent 7a2cccb51e
commit 13891fe363
2 changed files with 144 additions and 6 deletions
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internal_filesystem/lib/mpos/board/lilygo_t_display_s3.py
+134
View File
@@ -0,0 +1,134 @@
print("lilygo_t_display_s3.py running again")
import lcd_bus
import lvgl as lv
import machine
import time
import mpos.ui
print("lilygo_t_display_s3.py display bus initialization")
try:
display_bus = lcd_bus.I80Bus(
dc=7,
wr=8,
cs=6,
data0=39,
data1=40,
data2=41,
data3=42,
data4=45,
data5=46,
data6=47,
data7=48,
reverse_color_bits=False # doesnt seem to do anything?
)
except Exception as e:
print(f"Error initializing display bus: {e}")
print("Attempting hard reset in 3sec...")
time.sleep(3)
machine.reset()
_BUFFER_SIZE = const(28800)
fb1 = display_bus.allocate_framebuffer(_BUFFER_SIZE, lcd_bus.MEMORY_INTERNAL | lcd_bus.MEMORY_DMA)
fb2 = display_bus.allocate_framebuffer(_BUFFER_SIZE, lcd_bus.MEMORY_INTERNAL | lcd_bus.MEMORY_DMA)
import drivers.display.st7789 as st7789
mpos.ui.main_display = st7789.ST7789(
data_bus=display_bus,
frame_buffer1=fb1,
frame_buffer2=fb2,
display_width=170, # emulator st7789.c has 135
display_height=320, # emulator st7789.c has 240
color_space=lv.COLOR_FORMAT.RGB565,
#color_space=lv.COLOR_FORMAT.RGB888,
color_byte_order=st7789.BYTE_ORDER_RGB,
# rgb565_byte_swap=False, # always False is data_bus.get_lane_count() == 8
power_pin=15,
reset_pin=5,
backlight_pin=38,
backlight_on_state=st7789.STATE_PWM,
)
mpos.ui.main_display.init()
mpos.ui.main_display.set_power(True)
mpos.ui.main_display.set_backlight(100)
lv.init()
#mpos.ui.main_display.set_rotation(lv.DISPLAY_ROTATION._90) # must be done after initializing display and creating the touch drivers, to ensure proper handling
mpos.ui.main_display.set_color_inversion(True) # doesnt seem to do anything?
# Button handling code:
from machine import Pin
btn_a = Pin(0, Pin.IN, Pin.PULL_UP) # 1
btn_b = Pin(14, Pin.IN, Pin.PULL_UP) # 2
btn_c = Pin(3, Pin.IN, Pin.PULL_UP) # 3
# Key repeat configuration
# This whole debounce logic is only necessary because LVGL 9.2.2 seems to have an issue where
# the lv_keyboard widget doesn't handle PRESSING (long presses) properly, it loses focus.
REPEAT_INITIAL_DELAY_MS = 300 # Delay before first repeat
REPEAT_RATE_MS = 100 # Interval between repeats
last_key = None
last_state = lv.INDEV_STATE.RELEASED
key_press_start = 0 # Time when key was first pressed
last_repeat_time = 0 # Time of last repeat event
# Read callback
# Warning: This gets called several times per second, and if it outputs continuous debugging on the serial line,
# that will break tools like mpremote from working properly to upload new files over the serial line, thus needing a reflash.
def keypad_read_cb(indev, data):
global last_key, last_state, key_press_start, last_repeat_time
since_last_repeat = 0
# Check buttons
current_key = None
current_time = time.ticks_ms()
if btn_a.value() == 0:
current_key = lv.KEY.PREV
elif btn_b.value() == 0:
current_key = lv.KEY.ENTER
elif btn_c.value() == 0:
current_key = lv.KEY.NEXT
if (btn_a.value() == 0) and (btn_c.value() == 0):
current_key = lv.KEY.ESC
if current_key:
if current_key != last_key:
# New key press
data.key = current_key
data.state = lv.INDEV_STATE.PRESSED
last_key = current_key
last_state = lv.INDEV_STATE.PRESSED
key_press_start = current_time
last_repeat_time = current_time
else:
# No key pressed
data.key = last_key if last_key else lv.KEY.ENTER
data.state = lv.INDEV_STATE.RELEASED
last_key = None
last_state = lv.INDEV_STATE.RELEASED
key_press_start = 0
last_repeat_time = 0
# Handle ESC for back navigation (only on initial PRESSED)
#if last_state == lv.INDEV_STATE.PRESSED:
# if current_key == lv.KEY.ESC:
# mpos.ui.back_screen()
group = lv.group_create()
group.set_default()
# Create and set up the input device
indev = lv.indev_create()
indev.set_type(lv.INDEV_TYPE.KEYPAD)
indev.set_read_cb(keypad_read_cb)
indev.set_group(group) # is this needed? maybe better to move the default group creation to main.py so it's available everywhere...
disp = lv.display_get_default() # NOQA
indev.set_display(disp) # different from display
indev.enable(True) # NOQA
from mpos import InputManager
InputManager.register_indev(indev)
print("lilygo_t_display_s3.py finished")
internal_filesystem/lib/mpos/main.py
+10 -6
View File
@@ -126,22 +126,25 @@ def detect_board():
if unique_id_prefix == 0x10:
return "qemu"
print("lilygo_t_display_s3 ?")
if unique_id_prefix == 0xc0:
return "lilygo_t_display_s3"
if i2c0 := fail_save_i2c(sda=10, scl=11):
if single_address_i2c_scan(i2c0, 0x20): # IMU
return "lilygo_t_watch_s3_plus"
raise Exception(
"Unknown ESP32-S3 board: couldn't detect known I2C devices or unique_id prefix"
)
print("Unknown board: couldn't detect known I2C devices or unique_id prefix")
# EXECUTION STARTS HERE
print(f"MicroPythonOS {BuildInfo.version.release} running lib/mpos/main.py")
board = detect_board()
print(f"Detected {board} system, importing mpos.board.{board}")
DeviceInfo.set_hardware_id(board)
__import__(f"mpos.board.{board}")
if board:
print(f"Detected {board} system, importing mpos.board.{board}")
DeviceInfo.set_hardware_id(board)
__import__(f"mpos.board.{board}")
# Allow LVGL M:/path/to/file or M:relative/path/to/file to work for image set_src etc
import mpos.fs_driver
@@ -223,6 +226,7 @@ async def ota_rollback_cancel():
except Exception as e:
print("main.py: warning: could not mark this update as valid:", e)
if not started_launcher:
print(f"WARNING: launcher {launcher_app} failed to start, not cancelling OTA update rollback")
else: