# Copyright 2022 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/pi_pico.gni")
import("//build_overrides/pigweed.gni")

import("$dir_pw_build/target_types.gni")

config("public_include_dirs") {
  include_dirs = [ "${PICO_SRC_DIR}/lib/tinyusb/src" ]
}

config("tinyusb_defines") {
  defines = [
    "CFG_TUSB_DEBUG=0",
    "CFG_TUSB_MCU=OPT_MCU_RP2040",
    "CFG_TUSB_OS=OPT_OS_PICO",
  ]
}

config("silence_errors") {
  cflags = [
    "-Wno-cast-qual",
    "-Wno-strict-prototypes",
  ]
}

# This creates a circular dependency on pico_stdlib, so we have to be messy
# about grabbing the right dependencies.
pw_source_set("bsp") {
  remove_configs = [ "$dir_pw_build:strict_warnings" ]
  configs = [
    ":public_include_dirs",
    "${PICO_ROOT}/src/common/pico_stdlib:public_include_dirs",
    "${PICO_ROOT}/src/rp2_common/pico_stdio_usb:public_include_dirs",
  ]
  public_configs = [ ":tinyusb_defines" ]
  include_dirs = [ "${PICO_SRC_DIR}/lib/tinyusb/hw" ]
  deps = [
    "${PICO_ROOT}/src/common/pico_base",
    "${PICO_ROOT}/src/common/pico_binary_info",
    "${PICO_ROOT}/src/rp2_common/hardware_gpio",
    "${PICO_ROOT}/src/rp2_common/hardware_sync",
    "${PICO_ROOT}/src/rp2_common/hardware_uart",
    "${PICO_ROOT}/src/rp2_common/pico_stdio:headers",
    "${PICO_ROOT}/src/rp2_common/pico_stdio_usb:tusb_config",
  ]
  public_deps = [
    "${PICO_ROOT}/src/common/pico_sync",
    "${PICO_ROOT}/src/common/pico_time",
  ]
  sources = [
    "${PICO_SRC_DIR}/lib/tinyusb/hw/bsp/board.h",
    "${PICO_SRC_DIR}/lib/tinyusb/hw/bsp/rp2040/family.c",
  ]
  visibility = [
    ":tinyusb",
    "${PICO_ROOT}/src/common/pico_stdlib:headers",
  ]
}

pw_source_set("tinyusb") {
  configs = [
    "${PICO_ROOT}/gn:disable_warnings",
    ":silence_errors",
  ]
  public_configs = [
    ":public_include_dirs",
    ":tinyusb_defines",
  ]
  public_deps = [
    "${PICO_ROOT}/src/common/pico_sync",
    "${PICO_ROOT}/src/common/pico_time:headers",
    "${PICO_ROOT}/src/rp2_common/hardware_irq",
    "${PICO_ROOT}/src/rp2_common/hardware_resets",
    "${PICO_ROOT}/src/rp2_common/pico_fix/rp2040_usb_device_enumeration",
    "${PICO_ROOT}/src/rp2_common/pico_stdio:headers",
    "${PICO_ROOT}/src/rp2_common/pico_stdio_usb:tusb_config",
  ]
  deps = [ ":bsp" ]
  public = [ "${PICO_SRC_DIR}/lib/tinyusb/src/tusb.h" ]
  sources = [
    "${PICO_SRC_DIR}/lib/tinyusb/src/class/audio/audio_device.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/class/cdc/cdc_device.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/class/dfu/dfu_device.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/class/dfu/dfu_rt_device.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/class/hid/hid_device.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/class/midi/midi_device.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/class/msc/msc_device.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/class/net/ecm_rndis_device.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/class/net/ncm_device.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/class/usbtmc/usbtmc_device.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/class/vendor/vendor_device.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/class/video/video_device.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/common/tusb_fifo.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/device/usbd.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/device/usbd_control.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/portable/raspberrypi/rp2040/dcd_rp2040.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/portable/raspberrypi/rp2040/rp2040_usb.c",
    "${PICO_SRC_DIR}/lib/tinyusb/src/tusb.c",
  ]
  allow_circular_includes_from = [ ":bsp" ]
}