You've already forked MicroPythonOS
mirror of
https://github.com/m5stack/MicroPythonOS.git
synced 2026-05-20 11:51:27 -07:00
Thomas Farstrike
100 lines
3.5 KiB
Python
100 lines
3.5 KiB
Python
# Hardware initialization for Unix and MacOS systems
|
|
|
|
import lcd_bus
|
|
import lvgl as lv
|
|
import sdl_display
|
|
|
|
# Add lib/ to the path for modules, otherwise it will only search in ~/.micropython/lib and /usr/lib/micropython
|
|
import sys
|
|
sys.path.append('lib/')
|
|
|
|
import mpos.ui
|
|
import mpos.clipboard
|
|
|
|
# Same as Waveshare ESP32-S3-Touch-LCD-2
|
|
TFT_HOR_RES=320
|
|
TFT_VER_RES=240
|
|
|
|
#TFT_HOR_RES=640
|
|
#TFT_VER_RES=480
|
|
|
|
# 4:3 DVD resolution:
|
|
#TFT_HOR_RES=720
|
|
#TFT_VER_RES=576
|
|
|
|
# 16:9 resolution:
|
|
#TFT_HOR_RES=1024
|
|
#TFT_VER_RES=576
|
|
|
|
# 16:9 good resolution but fairly small icons:
|
|
#TFT_HOR_RES=1280
|
|
#TFT_VER_RES=720
|
|
|
|
# Even HD works:
|
|
#TFT_HOR_RES=1920
|
|
#TFT_VER_RES=1080
|
|
|
|
bus = lcd_bus.SDLBus(flags=0)
|
|
|
|
buf1 = bus.allocate_framebuffer(TFT_HOR_RES * TFT_VER_RES * 2, 0)
|
|
|
|
display = sdl_display.SDLDisplay(data_bus=bus,display_width=TFT_HOR_RES,display_height=TFT_VER_RES,frame_buffer1=buf1,color_space=lv.COLOR_FORMAT.RGB565)
|
|
# display.set_dpi(65) # doesn't seem to change the default 130...
|
|
display.init()
|
|
# display.set_dpi(65) # doesn't seem to change the default 130...
|
|
|
|
import sdl_pointer
|
|
mouse = sdl_pointer.SDLPointer()
|
|
|
|
def catch_escape_key(indev, indev_data):
|
|
global sdlkeyboard
|
|
#print(f"keypad_cb {indev} {indev_data}")
|
|
#key = indev.get_key() # always 0
|
|
#print(f"key {key}")
|
|
#key = indev_data.key
|
|
#state = indev_data.state
|
|
#print(f"indev_data: {state} and {key}") # this catches the previous key release instead of the next key press
|
|
pressed, code = sdlkeyboard._get_key() # get the current key and state
|
|
print(f"catch_escape_key caught: {pressed}, {code}")
|
|
if pressed == 1 and code == 27:
|
|
mpos.ui.back_screen()
|
|
sdlkeyboard._read(indev, indev_data)
|
|
|
|
import sdl_keyboard
|
|
sdlkeyboard = sdl_keyboard.SDLKeyboard()
|
|
sdlkeyboard._indev_drv.set_read_cb(catch_escape_key) # check for escape
|
|
sdlkeyboard.set_paste_text_callback(mpos.clipboard.paste_text)
|
|
|
|
#def keyboard_cb(event):
|
|
# global canvas
|
|
# event_code=event.get_code()
|
|
# print(f"boot_unix: code={event_code}") # target={event.get_target()}, user_data={event.get_user_data()}, param={event.get_param()}
|
|
#keyboard.add_event_cb(keyboard_cb, lv.EVENT.ALL, None)
|
|
|
|
# On the Waveshare ESP32-S3-Touch-LCD-2, the camera is hard-wired to power on,
|
|
# so it needs a software power off to prevent it from staying hot all the time and quickly draining the battery.
|
|
# 1) Initialize camera, otherwise it doesn't reply to I2C commands:
|
|
try:
|
|
from camera import Camera
|
|
cam = Camera(data_pins=[12,13,15,11,14,10,7,2],vsync_pin=6,href_pin=4,sda_pin=21,scl_pin=16,pclk_pin=9,xclk_pin=8,xclk_freq=20000000,powerdown_pin=-1,reset_pin=-1,pixel_format=PixelFormat.RGB565,frame_size=FrameSize.R240X240,grab_mode=GrabMode.LATEST)
|
|
cam.deinit()
|
|
except Exception as e:
|
|
print(f"camera init for power off got exception: {e}")
|
|
# 2) Soft-power off camera, otherwise it uses a lot of current for nothing:
|
|
try:
|
|
from machine import Pin, I2C
|
|
i2c = I2C(1, scl=Pin(16), sda=Pin(21)) # Adjust pins and frequency
|
|
devices = i2c.scan()
|
|
print("Scan of I2C bus on scl=16, sda=21:")
|
|
print([hex(addr) for addr in devices]) # finds it on 60 = 0x3C after init
|
|
camera_addr = 0x3C # for OV5640
|
|
reg_addr = 0x3008
|
|
reg_high = (reg_addr >> 8) & 0xFF # 0x30
|
|
reg_low = reg_addr & 0xFF # 0x08
|
|
power_off_command = 0x42 # Power off command
|
|
i2c.writeto(camera_addr, bytes([reg_high, reg_low, power_off_command]))
|
|
except Exception as e:
|
|
print(f"Warning: powering off camera got exception: {e}")
|
|
|
|
print("boot_unix.py finished")
|