Add code

CMakeLists.txt

@@ -0,0 +1,23 @@
+cmake_minimum_required(VERSION 3.13)
+# initialize the SDK based on PICO_SDK_PATH
+# note: this must happen before project()
+include(pico_sdk_import.cmake)
+project(gb_link_printer)
+
+pico_sdk_init()
+
+add_executable(gb_link_printer)
+
+pico_generate_pio_header(gb_link_printer ${CMAKE_CURRENT_LIST_DIR}/pio/spi.pio)
+
+# target_include_directories(gbusb PRIVATE ${CMAKE_CURRENT_LIST_DIR})
+
+target_sources(gb_link_printer PRIVATE
+        main.c
+        )
+
+target_link_libraries(gb_link_printer PRIVATE pico_stdlib pico_stdio pico_stdlib pico_multicore pico_time pico_sync hardware_pio) # tinyusb_device tinyusb_board)
+pico_add_extra_outputs(gb_link_printer)
+
+pico_enable_stdio_usb(gb_link_printer 1)
+pico_enable_stdio_uart(gb_link_printer 0)