diff --git a/CMakeLists.txt b/CMakeLists.txt
index 29cd7a5..459355f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,27 +1,29 @@
-# User configuration section starts here
+if (NOT PICO_PROGRAM_MAIN_ENTRY)
+	# User configuration for HyperSerialPico section starts here
 
-# Some boards, such as the first Adafruit revisions, may have trouble booting properly
-# due to bad componets used in the design.
-# Turn this setting to ON if your rp2040 is not detected after firmware upload and reset
-set(BOOT_WORKAROUND OFF)
+	# Some boards, such as the first Adafruit revisions, may have trouble booting properly
+	# due to bad componets used in the design.
+	# Turn this setting to ON if your rp2040 is not detected after firmware upload and reset
+	set(BOOT_WORKAROUND OFF)
 
-# Default output data pin for the non-SPI LED strips (only for sk6812/ws2812b)
-set(OUTPUT_DATA_PIN 2)
+	# Default output data pin for the non-SPI LED strips (only for sk6812/ws2812b)
+	set(OUTPUT_DATA_PIN 2)
 
-# Default output data/clocks pin for the SPI LED strips (only for apa102, not for sk6812/ws2812b)
-# only certain pairs of pins are allowed for selected SPI interface (refer to "readme.md")
-set(OUTPUT_SPI_DATA_PIN 3)
-set(OUTPUT_SPI_CLOCK_PIN 2)
-set(OUTPUT_SPI_INTERFACE spi0)
+	# Default output data/clocks pin for the SPI LED strips (only for apa102, not for sk6812/ws2812b)
+	# only certain pairs of pins are allowed for selected SPI interface (refer to "readme.md")
+	set(OUTPUT_SPI_DATA_PIN 3)
+	set(OUTPUT_SPI_CLOCK_PIN 2)
+	set(OUTPUT_SPI_INTERFACE spi0)
 
-# Use multi-segment, starting index of second led strip or OFF to disable
-set(SECOND_SEGMENT_INDEX OFF)
+	# Use multi-segment, starting index of second led strip or OFF to disable
+	set(SECOND_SEGMENT_INDEX OFF)
 
-# If multi-segment is used and it's reversed, set this option to ON to enable reversing
-set(SECOND_SEGMENT_REVERSED OFF)
+	# If multi-segment is used and it's reversed, set this option to ON to enable reversing
+	set(SECOND_SEGMENT_REVERSED OFF)
 
-# User configuration section ends here
-# Usually you don't need to change anything below this section
+	# User configuration section ends here
+	# Usually you don't need to change anything below this section
+endif()
 
 cmake_minimum_required(VERSION 3.13)
 
@@ -30,8 +32,8 @@ add_definitions ( -DPICO_STDIO_USB_ENABLE_RESET_VIA_VENDOR_INTERFACE=0 )
 
 # initialize the SDK based on PICO_SDK_PATH
 # note: this must happen before project()
-set(PICO_SDK_PATH ${CMAKE_SOURCE_DIR}/sdk/pico)
-set(FREERTOS_KERNEL_PATH ${CMAKE_SOURCE_DIR}/sdk/freertos)
+set(PICO_SDK_PATH ${CMAKE_CURRENT_SOURCE_DIR}/sdk/pico)
+set(FREERTOS_KERNEL_PATH ${CMAKE_CURRENT_SOURCE_DIR}/sdk/freertos)
 
 include(${PICO_SDK_PATH}/external/pico_sdk_import.cmake)
 include(${FREERTOS_KERNEL_PATH}/portable/ThirdParty/GCC/RP2040/FreeRTOS_Kernel_import.cmake)
@@ -52,9 +54,9 @@ pico_sdk_init()
 
 # generic HyperSerialPico settings
 set(HyperSerialPicoCompanionLibs FreeRTOS-Kernel FreeRTOS-Kernel-Heap1 pico_stdlib pico_multicore hardware_pio hardware_dma hardware_spi)
-set(HyperSerialPicoCompanionIncludes ${CMAKE_SOURCE_DIR}/include ${CMAKE_SOURCE_DIR}/sdk/config)
-file(MAKE_DIRECTORY ${CMAKE_SOURCE_DIR}/generated)
-file(MAKE_DIRECTORY ${CMAKE_SOURCE_DIR}/firmware)
+set(HyperSerialPicoCompanionIncludes ${CMAKE_CURRENT_SOURCE_DIR}/include ${CMAKE_CURRENT_SOURCE_DIR}/sdk/config)
+file(MAKE_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/generated)
+file(MAKE_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/firmware)
 
 if(NOT CMAKE_HOST_WIN32)
 	string(ASCII 27 EscChar)
@@ -99,7 +101,11 @@ message( STATUS "---------------------------")
 add_compile_options(-ftrack-macro-expansion=0 -fno-diagnostics-show-caret -fdiagnostics-color=auto)
 
 macro(HyperSerialPicoTarget HyperSerialPicoTargetName)
-    add_executable(${HyperSerialPicoTargetName} ${CMAKE_SOURCE_DIR}/source/main.cpp)
+    if (PICO_PROGRAM_MAIN_ENTRY)
+        add_executable(${HyperSerialPicoTargetName} ${PICO_PROGRAM_MAIN_ENTRY})
+    else()
+        add_executable(${HyperSerialPicoTargetName} ${CMAKE_CURRENT_SOURCE_DIR}/source/main.cpp)
+    endif()
     if (BOOT_WORKAROUND)
         target_compile_definitions(${HyperSerialPicoTargetName} PUBLIC -DBOOT_WORKAROUND -DPICO_XOSC_STARTUP_DELAY_MULTIPLIER=64)
     endif()
@@ -108,15 +114,17 @@ macro(HyperSerialPicoTarget HyperSerialPicoTargetName)
     pico_add_extra_outputs(${HyperSerialPicoTargetName})
     pico_enable_stdio_usb(${HyperSerialPicoTargetName} 1)
     pico_enable_stdio_uart(${HyperSerialPicoTargetName} 0)
-    pico_generate_pio_header(${HyperSerialPicoTargetName} ${CMAKE_SOURCE_DIR}/pio/neopixel.pio OUTPUT_DIR ${CMAKE_SOURCE_DIR}/generated)
-    pico_generate_pio_header(${HyperSerialPicoTargetName} ${CMAKE_SOURCE_DIR}/pio/neopixel_ws2812b.pio OUTPUT_DIR ${CMAKE_SOURCE_DIR}/generated)
-    add_custom_command(TARGET ${HyperSerialPicoTargetName} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_BINARY_DIR}/${HyperSerialPicoTargetName}.uf2 ${CMAKE_SOURCE_DIR}/firmware)
+    pico_generate_pio_header(${HyperSerialPicoTargetName} ${CMAKE_CURRENT_SOURCE_DIR}/pio/neopixel.pio OUTPUT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/generated)
+    pico_generate_pio_header(${HyperSerialPicoTargetName} ${CMAKE_CURRENT_SOURCE_DIR}/pio/neopixel_ws2812b.pio OUTPUT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/generated)
+    add_custom_command(TARGET ${HyperSerialPicoTargetName} POST_BUILD COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_BINARY_DIR}/${HyperSerialPicoTargetName}.uf2 ${CMAKE_CURRENT_SOURCE_DIR}/firmware)
 endmacro()
 
 # targets for different LED strips
 IF(NOT SECOND_SEGMENT_INDEX)
-    HyperSerialPicoTarget("${CMAKE_PROJECT_NAME}_Spi")
-    target_compile_definitions("${CMAKE_PROJECT_NAME}_Spi" PRIVATE -DSPILED_APA102 -DSPI_INTERFACE=${OUTPUT_SPI_INTERFACE} -DDATA_PIN=${OUTPUT_SPI_DATA_PIN} -DCLOCK_PIN=${OUTPUT_SPI_CLOCK_PIN})
+    IF(NOT DISABLE_SPI_LEDS)
+        HyperSerialPicoTarget("${CMAKE_PROJECT_NAME}_Spi")
+        target_compile_definitions("${CMAKE_PROJECT_NAME}_Spi" PRIVATE -DSPILED_APA102 -DSPI_INTERFACE=${OUTPUT_SPI_INTERFACE} -DDATA_PIN=${OUTPUT_SPI_DATA_PIN} -DCLOCK_PIN=${OUTPUT_SPI_CLOCK_PIN})
+    endif()
     HyperSerialPicoTarget("${CMAKE_PROJECT_NAME}_sk6812Cold")
     target_compile_definitions("${CMAKE_PROJECT_NAME}_sk6812Cold" PRIVATE -DNEOPIXEL_RGBW -DCOLD_WHITE -DDATA_PIN=${OUTPUT_DATA_PIN})
     HyperSerialPicoTarget("${CMAKE_PROJECT_NAME}_sk6812Neutral")