abstracting display, touch and sd

CMakeLists.txt

@@ -23,7 +23,11 @@ if (EXISTS ${picoVscode})
     include(${picoVscode})
 endif()
 # ====================================================================================
-set(PICO_BOARD adafruit_feather_rp2350 CACHE STRING "Board type")
+# Default to Feather RP2350, but allow override via -DPICO_BOARD=<board>
+if(NOT PICO_BOARD)
+    set(PICO_BOARD adafruit_feather_rp2350 CACHE STRING "Board type")
+endif()
+message(STATUS "Building for board: ${PICO_BOARD}")
 
 # Pull in Raspberry Pi Pico SDK (must be before project)
 include(pico_sdk_import.cmake)
@@ -37,16 +41,22 @@ pico_sdk_init()
 
 add_executable(basic1 
     basic1.cpp 
-    st7796.c 
-    ft6336u.c 
-    sd_card.c 
-    low_level_render.cpp 
-    low_level_gui.cpp
+    lib/st7796/st7796.c 
+    lib/ft6336u/ft6336u.c 
+    lib/sd_card/sd_card.c 
+    display/low_level_render.cpp 
+    display/low_level_gui.cpp
+    display/low_level_display_factory.cpp
+    display/low_level_display_st7796.cpp
+    display/low_level_display_st7789.cpp
+    display/low_level_display_epaper.cpp
+    display/low_level_touch_factory.cpp
+    display/low_level_touch_ft6336u.cpp
     diskio_sdcard.c
     fatfs_time.c
-    fatfs/source/ff.c
-    fatfs/source/ffsystem.c
-    fatfs/source/ffunicode.c
+    lib/fatfs/source/ff.c
+    lib/fatfs/source/ffsystem.c
+    lib/fatfs/source/ffunicode.c
 )
 
 pico_set_program_name(basic1 "basic1")
@@ -62,8 +72,12 @@ target_link_libraries(basic1
 
 # Add the standard include files to the build
 target_include_directories(basic1 PRIVATE
-        ${CMAKE_CURRENT_LIST_DIR}
-        ${CMAKE_CURRENT_LIST_DIR}/fatfs/source
+    ${CMAKE_CURRENT_LIST_DIR}
+    ${CMAKE_CURRENT_LIST_DIR}/lib/fatfs/source
+    ${CMAKE_CURRENT_LIST_DIR}/lib/st7796
+    ${CMAKE_CURRENT_LIST_DIR}/lib/ft6336u
+    ${CMAKE_CURRENT_LIST_DIR}/lib/sd_card
+    ${CMAKE_CURRENT_LIST_DIR}/display
 )
 
 # Add any user requested libraries
@@ -71,7 +85,7 @@ target_link_libraries(basic1
         hardware_spi
         hardware_i2c
         m
-        )
+)
 
 pico_add_extra_outputs(basic1)