1# Copyright 2020 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 15include($ENV{PW_ROOT}/pw_build/pigweed.cmake) 16include($ENV{PW_ROOT}/pw_chrono/backend.cmake) 17include($ENV{PW_ROOT}/pw_sync/backend.cmake) 18include($ENV{PW_ROOT}/pw_protobuf_compiler/proto.cmake) 19 20pw_add_library(pw_chrono.epoch INTERFACE 21 HEADERS 22 public/pw_chrono/epoch.h 23 PUBLIC_INCLUDES 24 public 25) 26 27pw_add_facade(pw_chrono.system_clock STATIC 28 BACKEND 29 pw_chrono.system_clock_BACKEND 30 HEADERS 31 public/pw_chrono/internal/system_clock_macros.h 32 public/pw_chrono/system_clock.h 33 PUBLIC_INCLUDES 34 public 35 PUBLIC_DEPS 36 pw_chrono.epoch 37 pw_preprocessor 38 SOURCES 39 system_clock.cc 40) 41 42pw_add_facade(pw_chrono.system_timer INTERFACE 43 BACKEND 44 pw_chrono.system_timer_BACKEND 45 HEADERS 46 public/pw_chrono/system_timer.h 47 PUBLIC_INCLUDES 48 public 49 PUBLIC_DEPS 50 pw_chrono.system_clock 51 pw_function 52) 53 54# Dependency injectable implementation of pw::chrono::SystemClock::Interface. 55pw_add_library(pw_chrono.simulated_system_clock INTERFACE 56 HEADERS 57 public/pw_chrono/simulated_system_clock.h 58 PUBLIC_INCLUDES 59 public 60 PUBLIC_DEPS 61 pw_chrono.system_clock 62 pw_sync.interrupt_spin_lock 63) 64 65pw_proto_library(pw_chrono.protos 66 SOURCES 67 chrono.proto 68 PREFIX 69 pw_chrono_protos 70) 71 72if((NOT "${pw_chrono.system_clock_BACKEND}" STREQUAL "") AND 73 (NOT "${pw_sync.interrupt_spin_lock_BACKEND}" STREQUAL "")) 74 pw_add_test(pw_chrono.simulated_system_clock_test 75 SOURCES 76 simulated_system_clock_test.cc 77 PRIVATE_DEPS 78 pw_chrono.simulated_system_clock 79 GROUPS 80 modules 81 pw_chrono 82 ) 83endif() 84 85if(NOT "${pw_chrono.system_clock_BACKEND}" STREQUAL "") 86 pw_add_test(pw_chrono.system_clock_facade_test 87 SOURCES 88 system_clock_facade_test.cc 89 system_clock_facade_test_c.c 90 PRIVATE_DEPS 91 pw_chrono.system_clock 92 pw_preprocessor 93 GROUPS 94 modules 95 pw_chrono 96 ) 97endif() 98 99if(NOT "${pw_chrono.system_timer_BACKEND}" STREQUAL "") 100 pw_add_test(pw_chrono.system_timer_facade_test 101 SOURCES 102 system_timer_facade_test.cc 103 PRIVATE_DEPS 104 pw_chrono.system_timer 105 pw_sync.thread_notification 106 GROUPS 107 modules 108 pw_chrono 109 ) 110endif() 111 112function(generate_build_time_header NAME) 113 pw_parse_arguments( 114 NUM_POSITIONAL_ARGS 115 1 116 ) 117 118 set(out_dir "${CMAKE_CURRENT_BINARY_DIR}/${NAME}") 119 set(output "${out_dir}/pw_chrono/build_time.h") 120 get_filename_component(output_include_path "${output}" DIRECTORY) 121 122 set(gen_header "$ENV{PW_ROOT}/pw_chrono/generate_build_time_header.py") 123 LIST(APPEND gen_header_cmd python3 "${gen_header}" ${output}) 124 125 add_custom_command( 126 COMMAND 127 ${gen_header_cmd} 128 DEPENDS 129 ${gen_header} 130 OUTPUT 131 ${output}) 132 133 add_custom_target("${NAME}._generate" DEPENDS ${output}) 134 135 pw_add_library_generic("${NAME}" INTERFACE 136 PUBLIC_INCLUDES 137 ${out_dir} 138 ) 139 add_dependencies("${NAME}" "${NAME}._generate") 140endfunction() 141 142generate_build_time_header(pw_chrono.build_time_header) 143 144pw_add_library(pw_chrono.wrap_time_build_time STATIC 145 SOURCES 146 wrap_time_build_time.cc 147 PUBLIC_DEPS 148 pw_chrono.build_time_header 149 PUBLIC_LINK_OPTIONS 150 -Wl,--wrap=time 151 -Wl,--wrap=gettimeofday 152) 153