# waveshare_esp32s3_146.py
# Configuration for Waveshare ESP32-S3-Touch-LCD-1.46 with SPD2010 controller
'''
https://github.com/lvgl-micropython/lvgl_micropython/blob/main/api_drivers/common_api_drivers/display/spd2010/spd2010.py
https://github.com/lvgl-micropython/lvgl_micropython/blob/main/lcd_bus.pyi

'''
from micropython import const
import machine
import lcd_bus


# Display dimensions for 1.46" display (240x240 is common for this size)
_WIDTH = const(240)
_HEIGHT = const(240)

# LCD pins from schematic
_BL = const(1)        # Backlight pin (IO1)
_RST = const(0)       # Reset pin (IO0)
_DC = const(42)       # Data/Command pin (using IO42/SDA2)
_LCD_CS = const(21)   # Chip select (IO21)

# SPI pins from schematic
_HOST = const(1)     # SPI host
_SCK = const(40)      # Clock pin (LCD_SCK -> IO40)
_MOSI = const(46)     # Data line 0 (LCD_SDA0 -> IO46)
_MISO = const(45)     # Data line 1 (LCD_SDA1 -> IO45)

# SPI frequency for the display
_LCD_FREQ = const(40000000)  # 40MHz


# Configure SPI bus for the ESP32-S3
spi_bus = machine.SPI.Bus(
    host=_HOST,
    mosi=_MOSI,
    miso=_MISO,
    sck=_SCK
)

# Create LCD bus with the SPI bus
display_bus = lcd_bus.SPIBus(
    spi_bus=spi_bus,
    freq=_LCD_FREQ,
    dc=_DC,
    cs=_LCD_CS
)

import lvgl as lv
import spd2010

# Initialize LVGL
lv.init()

# Create the display with SPD2010 driver
print("Initializing SPD2010 display...")
display = spd2010.SPD2010(
    data_bus=display_bus,
    display_width=_WIDTH,
    display_height=_HEIGHT,
    reset_pin=_RST,
    reset_state=spd2010.STATE_LOW,
    backlight_pin=_BL,
    color_space=lv.COLOR_FORMAT.RGB565,
    color_byte_order=spd2010.BYTE_ORDER_RGB
)

# Turn on and configure the display
display.set_power(True)  # you have not supplied a power pin, I do not know if there is one or not. 
display.init()
display.set_backlight(100)  # 100% brightness

scrn = lv.screen_active()
slider = lv.slider(scrn)
slider.center()

import task_handler

# Initialize task handler for LVGL
th = task_handler.TaskHandler()
print("Display initialization complete")