| # Copyright (c) 2020 Project CHIP 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 |
| # |
| # http://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/build.gni") |
| import("//build_overrides/chip.gni") |
| |
| import("${build_root}/config/arm.gni") |
| import("${chip_root}/build/chip/buildconfig_header.gni") |
| |
| declare_args() { |
| # Size of SEGGER RTT up buffer. |
| segger_rtt_buffer_size_up = -1 |
| |
| # Size of SEGGER RTT down buffer. |
| segger_rtt_buffer_size_down = -1 |
| |
| # Number of SEGGER RTT up buffers. |
| segger_rtt_max_num_up_buffers = -1 |
| |
| # Number of SEGGER RTT down buffer. |
| segger_rtt_max_num_down_buffers = -1 |
| |
| # Default mode of SEGGER RTT. |
| segger_rtt_mode_default = -1 |
| } |
| |
| _rtt_asm = "" |
| if (current_cpu == "arm") { |
| if (arm_arch == "armv7-m" || arm_arch == "armv7e-m") { |
| _rtt_asm = "SEGGER_RTT_ASM_ARMv7M.S" |
| } |
| } |
| |
| declare_args() { |
| # Use assembly routines for Segger RTT. |
| rtt_use_asm = _rtt_asm != "" |
| } |
| |
| buildconfig_header("rtt_buildconfig") { |
| header = "SEGGER_RTT_BuildConfig.h" |
| header_dir = "RTT" |
| |
| defines = [ "RTT_USE_ASM=${rtt_use_asm}" ] |
| |
| if (segger_rtt_buffer_size_up != -1) { |
| defines += [ "BUFFER_SIZE_UP=${segger_rtt_buffer_size_up}" ] |
| } |
| if (segger_rtt_buffer_size_down != -1) { |
| defines += [ "BUFFER_SIZE_DOWN=${segger_rtt_buffer_size_down}" ] |
| } |
| if (segger_rtt_max_num_up_buffers != -1) { |
| defines += |
| [ "SEGGER_RTT_MAX_NUM_UP_BUFFERS=${segger_rtt_max_num_up_buffers}" ] |
| } |
| if (segger_rtt_max_num_down_buffers != -1) { |
| defines += |
| [ "SEGGER_RTT_MAX_NUM_UP_BUFFERS=${segger_rtt_max_num_down_buffers}" ] |
| } |
| if (segger_rtt_mode_default != -1) { |
| defines += [ "SEGGER_RTT_MODE_DEFAULT=${segger_rtt_mode_default}" ] |
| } |
| } |
| |
| config("rtt_config") { |
| include_dirs = [ |
| ".", |
| "${root_gen_dir}/include/RTT", |
| ] |
| } |
| |
| source_set("RTT") { |
| sources = [ |
| "SEGGER_RTT.c", |
| "SEGGER_RTT.h", |
| "SEGGER_RTT_Conf.h", |
| ] |
| |
| if (rtt_use_asm) { |
| sources += [ _rtt_asm ] |
| } |
| |
| public_deps = [ ":rtt_buildconfig" ] |
| |
| public_configs = [ ":rtt_config" ] |
| } |
| |
| source_set("printf") { |
| sources = [ "SEGGER_RTT_printf.c" ] |
| |
| public_deps = [ ":RTT" ] |
| } |