add_library(double_tap_usb_boot INTERFACE) # inclusion of this library will allow you to double tap reset within 100ms to launch into bootrom USB bootloader if (PICO_ON_DEVICE) target_sources(double_tap_usb_boot INTERFACE ${CMAKE_CURRENT_LIST_DIR}/double_tap_usb_boot.c ) target_link_libraries(double_tap_usb_boot INTERFACE pico_bootrom pico_time ) endif ()