Tweaks and fixes.

explorer/explorer.h

@@ -9,19 +9,17 @@
 //       SHOULD ONLY CONSIST OF PREPROCESSOR DIRECTIVES
 // -----------------------------------------------------
 
-// This header may be included by other board headers as "boards/pimoroni_pga2350.h"
+// This header may be included by other board headers as "boards/explorer.h"
 
 // pico_cmake_set PICO_PLATFORM=rp2350
 
-#ifndef _BOARDS_PIMORONI_PGA2350_H
-#define _BOARDS_PIMORONI_PGA2350_H
+#ifndef _BOARDS_PIMORONI_EXPLORER_H
+#define _BOARDS_PIMORONI_EXPLORER_H
 
 // For board detection
-#define PIMORONI_PGA2350
-#define PIMORONI_PGA2350_16MB
+#define PIMORONI_EXPLORER
 
 // --- BOARD SPECIFIC ---
-#define PIMORONI_PGA2350_PSRAM_CS_PIN 47
 
 // --- UART ---
 #ifndef PICO_DEFAULT_UART

explorer/mpconfigboard.h

@@ -1,11 +1,6 @@
 // Board and hardware specific configuration
 
-// Board and hardware specific configuration
-#ifndef MICROPY_HW_BOARD_NAME
-// Might be defined by mpconfigvariant_VARIANT.cmake
 #define MICROPY_HW_BOARD_NAME                   "Pimoroni Explorer"
-#endif
 
-// Portion of onboard flash to reserve for the user filesystem
-// PGA2350 has 16MB flash, so reserve 2MiB for the firmware and leave 14MiB
-#define MICROPY_HW_FLASH_STORAGE_BYTES          (14 * 1024 * 1024)
+// Reserve 2MB for MicroPython, leaving the rest for the user filesystem
+#define MICROPY_HW_FLASH_STORAGE_BYTES          (PICO_FLASH_SIZE_BYTES - (2 * 1024 * 1024))

modules/py_frozen/boot.py

@@ -1,3 +1,3 @@
 import cppmem
 # Switch C++ memory allocations to use MicroPython's heap
-cppmem.set_mode(cppmem.MICROPYTHON)
+cppmem.set_mode(cppmem.MICROPYTHON)