# Copyright 2020 The Pigweed Authors
#
# Licensed 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
#
#     https://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.

import("//build_overrides/pigweed.gni")

import("$dir_pw_build/module_config.gni")
import("$dir_pw_build/target_types.gni")
import("$dir_pw_docgen/docs.gni")

declare_args() {
  # The build target that overrides the default configuration options for this
  # module. This should point to a source set that provides defines through a
  # public config (which may -include a file or add defines directly).
  pw_chrono_freertos_CONFIG = pw_build_DEFAULT_MODULE_CONFIG
}

config("public_include_path") {
  include_dirs = [ "public" ]
  visibility = [ ":*" ]
}

config("backend_config") {
  include_dirs = [ "public_overrides" ]
  visibility = [ ":*" ]
}

pw_source_set("config") {
  public = [ "public/pw_chrono_freertos/config.h" ]
  public_configs = [ ":public_include_path" ]
  public_deps = [
    "$dir_pw_third_party/freertos",
    pw_chrono_freertos_CONFIG,
  ]
}

# This target provides the backend for pw::chrono::SystemClock.
pw_source_set("system_clock") {
  public_configs = [
    ":public_include_path",
    ":backend_config",
  ]
  public = [
    "public/pw_chrono_freertos/system_clock_config.h",
    "public/pw_chrono_freertos/system_clock_constants.h",
    "public_overrides/pw_chrono_backend/system_clock_config.h",
  ]
  public_deps = [
    ":config",
    "$dir_pw_chrono:epoch",
    "$dir_pw_chrono:system_clock.facade",
    "$dir_pw_third_party/freertos",
  ]
  sources = [ "system_clock.cc" ]
  deps = [
    "$dir_pw_chrono:system_clock.facade",
    "$dir_pw_interrupt:context",
    "$dir_pw_sync:interrupt_spin_lock",
  ]
}

pw_doc_group("docs") {
  sources = [ "docs.rst" ]
}