nuttx/tools/rp2040/Config.mk

############################################################################
# tools/rp2040/Config.mk
#
# SPDX-License-Identifier: Apache-2.0
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.  The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################

# These are the macros that will be used in the NuttX make system to compile
# and assembly source files and to insert the resulting object files into an
# archive.  These replace the default definitions at tools/Config.mk

# POSTBUILD -- Perform post build operations

PICOTOOL_FOUND := $(shell command -v picotool 2> /dev/null)

PICOTOOL_BIN_PATH ?= $(PICO_SDK_PATH)$(DELIM)_deps$(DELIM)picotool$(DELIM)picotool

define GEN_PICO_UF2
  $(Q)echo "Generating: nuttx.uf2"; \

  $(Q)$1 uf2 convert --quiet -t elf nuttx nuttx.uf2;
  $(Q)([ $$? -eq 0 ] && echo nuttx.uf2 >> nuttx.manifest && echo "Done.")
endef

ifeq ($(CONFIG_RP2040_UF2_BINARY),y)
  ifdef PICOTOOL_FOUND
    define POSTBUILD
      $(call GEN_PICO_UF2, picotool)
    endef
  else
    ifdef PICO_SDK_PATH
      define POSTBUILD
        $(warning "picotool not found in $$PATH, it will be sourced from pico-sdk")
        $(Q)if [[ ! -x "$(PICOTOOL_BIN_PATH)" ]]; then \
          echo "Warning: building picotool from pico-sdk will skip USB support! See https://github.com/raspberrypi/pico-sdk/issues/1827" >&2; \
          cd $(PICO_SDK_PATH); \
          cmake . >&/dev/null; \
          make picotoolBuild >/dev/null; \
        fi
        $(call GEN_PICO_UF2, $(PICOTOOL_BIN_PATH))
      endef
    else
      define POSTBUILD
        $(error "Generating UF2 files requires picotool to be available in $$PATH, or $$PICO_SDK_PATH must be specified")
      endef
    endif
  endif
endif