Works on waveshare-esp32-s3-touch-lcd-2

ThomasFarstrike · ThomasFarstrike · commit 4aebc7bc9314 · 2025-11-22T09:29:24.000+01:00
diff --git a/internal_filesystem/boot.py b/internal_filesystem/boot.py
@@ -0,0 +1,10 @@
+# This file is the only one that can't be overridden (without rebuilding) for development, so keep it minimal.
+
+# Make sure the storage partition's /lib is first in the path, so whatever is placed there overrides frozen libraries
+# This allows a "prod[uction]" build to be used for development as well, just by overriding the libraries in /lib
+import sys
+sys.path.insert(0, '/lib')
+
+print("Passing execution over to MicroPythonOS's main.py")
+import mpos.main
+
diff --git a/internal_filesystem/lib/mpos/board/fri3d-2024.py b/internal_filesystem/lib/mpos/board/fri3d-2024.py
@@ -13,11 +13,9 @@
 import lvgl as lv
 import task_handler
 
-import mpos.info
 import mpos.ui
 import mpos.ui.focus_direction
 
-mpos.info.set_hardware_id("fri3d-2024")
 
 # Pin configuration
 SPI_BUS = 2
diff --git a/internal_filesystem/lib/mpos/board/linux.py b/internal_filesystem/lib/mpos/board/linux.py
@@ -3,18 +3,11 @@
 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.clipboard
 import mpos.indev.mpos_sdl_keyboard
-import mpos.info
 import mpos.ui
 import mpos.ui.focus_direction
 
-mpos.info.set_hardware_id("linux-desktop")
-
 # Same as Waveshare ESP32-S3-Touch-LCD-2 and Fri3d Camp 2026 Badge
 TFT_HOR_RES=320
 TFT_VER_RES=240
diff --git a/internal_filesystem/lib/mpos/board/waveshare-esp32-s3-touch-lcd-2.py b/internal_filesystem/lib/mpos/board/waveshare-esp32-s3-touch-lcd-2.py
@@ -11,9 +11,6 @@
 import task_handler
 
 import mpos.ui
-import mpos.info
-
-mpos.info.set_hardware_id("waveshare-esp32-s3-touch-lcd-2")
 
 # Pin configuration
 SPI_BUS = 2
@@ -92,9 +89,7 @@
 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
+    # Warning: don't do an i2c scan because it confuses the camera!
     camera_addr = 0x3C # for OV5640
     reg_addr = 0x3008
     reg_high = (reg_addr >> 8) & 0xFF  # 0x30
diff --git a/internal_filesystem/lib/mpos/main.py b/internal_filesystem/lib/mpos/main.py
@@ -11,9 +11,19 @@
 # Auto-detect and initialize hardware
 import sys
 if sys.platform == "linux" or sys.platform == "darwin": # linux and macOS
-    import mpos.board.linux
+    board = "linux"
 elif sys.platform == "esp32":
-    print("TODO: detect which esp32 this is and then load the appropriate board")
+    board = "fri3d-2024" # default fallback
+    import machine
+    from machine import Pin, I2C
+    i2c0 = I2C(0, sda=machine.Pin(48), scl=machine.Pin(47))
+    if i2c0.scan() == [21, 107]: # touch screen and IMU
+        board = "waveshare-esp32-s3-touch-lcd-2"
+
+print(f"Detected hardware {board}, initializing...")
+import mpos.info
+mpos.info.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
