1 # Copyright (c) 2020 Project CHIP Authors
3 # Licensed under the Apache License, Version 2.0 (the "License");
4 # you may not use this file except in compliance with the License.
5 # You may obtain a copy of the License at
7 # http://www.apache.org/licenses/LICENSE-2.0
9 # Unless required by applicable law or agreed to in writing, software
10 # distributed under the License is distributed on an "AS IS" BASIS,
11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 # See the License for the specific language governing permissions and
13 # limitations under the License.
15 import("//build_overrides/chip.gni")
17 import("${chip_root}/src/lwip/lwip.gni")
20 # Use the lwIP library.
21 chip_system_config_use_lwip = chip_with_lwip && current_os == "freertos"
23 # Use BSD/POSIX socket API.
24 chip_system_config_use_sockets = current_os != "freertos"
26 # Mutex implementation: posix, freertos, none.
27 chip_system_config_locking = ""
29 # Clock implementation: clock_gettime, gettimeofday
30 chip_system_config_clock = "clock_gettime"
32 # Enable metrics collection.
33 chip_system_config_provide_statistics = true
36 if (chip_system_config_locking == "") {
37 if (current_os != "freertos") {
38 chip_system_config_locking = "posix"
40 chip_system_config_locking = "none"
44 assert(chip_system_config_locking == "posix" ||
45 chip_system_config_locking == "freertos" ||
46 chip_system_config_locking == "none",
47 "Please select a valid mutex implementation: posix, freertos, none")
50 chip_system_config_clock == "clock_gettime" ||
51 chip_system_config_clock == "gettimeofday",
52 "Please select a valid clock implementation: clock_gettime, gettimeofday")