1# Copyright 2022 The Pigweed Authors 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); you may not 4# use this file except in compliance with the License. You may obtain a copy of 5# the License at 6# 7# https://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12# License for the specific language governing permissions and limitations under 13# the License. 14 15import("//build_overrides/pi_pico.gni") 16import("//build_overrides/pigweed.gni") 17 18import("$dir_pw_build/target_types.gni") 19import("$dir_pw_docgen/docs.gni") 20import("$dir_pw_system/system_target.gni") 21import("$dir_pw_toolchain/arm_gcc/toolchains.gni") 22import("$dir_pw_toolchain/generate_toolchain.gni") 23 24declare_args() { 25 pw_targets_ENABLE_RP2040_TEST_RUNNER = false 26} 27 28if (current_toolchain != default_toolchain) { 29 pw_source_set("pre_init") { 30 remove_configs = [ "$dir_pw_build:strict_warnings" ] 31 32 deps = [ 33 "$PICO_ROOT/src/common/pico_base", 34 "$PICO_ROOT/src/common/pico_stdlib", 35 "$PICO_ROOT/src/rp2_common/pico_malloc", 36 "$dir_pw_string", 37 "$dir_pw_system", 38 "$dir_pw_third_party/freertos", 39 "$dir_pw_third_party/freertos:support", 40 ] 41 sources = [ "boot.cc" ] 42 } 43 44 config("config_includes") { 45 include_dirs = [ "config" ] 46 } 47 48 config("module_config_include") { 49 cflags = [ 50 "-include", 51 rebase_path("config/pigweed_module_config.h", root_build_dir), 52 ] 53 visibility = [ ":*" ] 54 } 55 56 pw_source_set("module_config") { 57 public_configs = [ ":module_config_include" ] 58 } 59 60 config("rp2040_hal_config") { 61 inputs = [ "config/rp2040_hal_config.h" ] 62 cflags = [ "-include" + 63 rebase_path("config/rp2040_hal_config.h", root_build_dir) ] 64 } 65 66 pw_source_set("rp2040_freertos_config") { 67 public_configs = [ ":config_includes" ] 68 public_deps = [ "$dir_pw_third_party/freertos:config_assert" ] 69 public = [ "config/FreeRTOSConfig.h" ] 70 } 71 72 pw_source_set("unit_test_app") { 73 sources = [ "unit_test_app.cc" ] 74 deps = [ 75 "$dir_pw_status", 76 "$dir_pw_system", 77 "$dir_pw_unit_test:rpc_service", 78 ] 79 } 80 81 # We don't want this linked into the boot_stage2 binary, so make the printf 82 # float config a source set added to pw_build_LINK_DEPS (which is dropped on 83 # the boot_stage2 binary) rather than as a default_config. 84 pw_source_set("float_printf_adapter") { 85 all_dependent_configs = [ "$dir_pw_toolchain/arm_gcc:enable_float_printf" ] 86 } 87} 88 89pw_system_target("rp2040") { 90 cpu = PW_SYSTEM_CPU.CORTEX_M0PLUS 91 scheduler = PW_SYSTEM_SCHEDULER.FREERTOS 92 use_pw_malloc = false 93 global_configs = [ ":rp2040_hal_config" ] 94 95 build_args = { 96 pw_build_DEFAULT_MODULE_CONFIG = get_path_info(":module_config", "abspath") 97 pw_build_EXECUTABLE_TARGET_TYPE = "pico_executable" 98 pw_build_EXECUTABLE_TARGET_TYPE_FILE = 99 get_path_info("$dir_pigweed/targets/rp2040/pico_executable.gni", 100 "abspath") 101 102 pw_log_BACKEND = dir_pw_log_tokenized 103 pw_log_tokenized_HANDLER_BACKEND = "$dir_pw_system:log_backend.impl" 104 105 pw_third_party_freertos_CONFIG = 106 "$dir_pigweed/targets/rp2040:rp2040_freertos_config" 107 pw_third_party_freertos_PORT = "$dir_pw_third_party/freertos:arm_cm0" 108 109 pw_sys_io_BACKEND = dir_pw_sys_io_stdio 110 pw_build_LINK_DEPS += [ 111 "$dir_pigweed/targets/rp2040:pre_init", 112 "$dir_pw_assert:impl", 113 "$dir_pw_log:impl", 114 get_path_info(":float_printf_adapter", "abspath"), 115 ] 116 117 # ONLY RELEVANT FOR UNIT TESTS. 118 if (pw_targets_ENABLE_RP2040_TEST_RUNNER) { 119 _test_runner_script = 120 "//targets/rp2040/py/rp2040_utils/unit_test_client.py" 121 pw_unit_test_AUTOMATIC_RUNNER = 122 get_path_info(_test_runner_script, "abspath") 123 } 124 pw_unit_test_MAIN = "$dir_pigweed/targets/rp2040:unit_test_app" 125 } 126} 127 128pw_doc_group("target_docs") { 129 sources = [ "target_docs.rst" ] 130} 131