| #---------------------------------------------------------------------------- |
| # Copyright (c) 2022 Arm Limited. All rights reserved. |
| # SPDX-License-Identifier: Apache-2.0 |
| # |
| # 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. |
| #---------------------------------------------------------------------------- |
| |
| ######################################################### |
| # Wrapper for enabling stdout and stderr facility # |
| ######################################################### |
| # This is a wrapper around the UART module for CMSDK # |
| # and PL011 UART drivers with retarget functions. # |
| ######################################################### |
| |
| cmake_minimum_required(VERSION 3.21.0) |
| |
| project(stdout |
| DESCRIPTION "Standard output and err redirection over UART" |
| LANGUAGES C CXX) |
| |
| |
| set(STDOUT_RETARGET OFF CACHE BOOL "Retarget stdout/err to UART") |
| |
| # Interface library for standard output: |
| set(STDOUT_IFACE_TARGET stdout_iface) |
| add_library(${STDOUT_IFACE_TARGET} INTERFACE) |
| target_include_directories(${STDOUT_IFACE_TARGET} INTERFACE include) |
| |
| if (STDOUT_RETARGET) |
| |
| set(STDOUT_COMPONENT_CMSDK stdout_retarget_cmsdk) |
| set(STDOUT_COMPONENT_PL011 stdout_retarget_pl011) |
| |
| add_library(${STDOUT_COMPONENT_CMSDK} STATIC) |
| add_library(${STDOUT_COMPONENT_PL011} STATIC) |
| |
| # Check prerequisites |
| ## Core platform directory is required to add the UART library project. |
| if (NOT DEFINED CORE_PLATFORM_DIR) |
| message(FATAL_ERROR "CORE_PLATFORM_DIR undefined") |
| endif() |
| |
| ## UART0_BASE is the base address for UART configuration. The platform |
| ## should define it prior to including this library. |
| if (NOT DEFINED UART0_BASE) |
| message(WARNING "UART0_BASE undefined, default will be used.") |
| endif() |
| |
| ## Platform component: UART |
| add_subdirectory(${CORE_PLATFORM_DIR}/drivers/uart ${CMAKE_BINARY_DIR}/uart) |
| |
| ## Component sources - public |
| target_sources(${STDOUT_COMPONENT_CMSDK} |
| PUBLIC |
| source/retarget.c) |
| |
| ## Component sources - public |
| target_sources(${STDOUT_COMPONENT_PL011} |
| PUBLIC |
| source/retarget.c) |
| |
| # Link |
| target_link_libraries(${STDOUT_COMPONENT_CMSDK} |
| PUBLIC |
| ${STDOUT_IFACE_TARGET} |
| ethosu_uart_cmsdk_apb) |
| |
| target_link_libraries(${STDOUT_COMPONENT_PL011} |
| PUBLIC |
| ${STDOUT_IFACE_TARGET} |
| ethosu_uart_pl011) |
| |
| # Display status |
| message(STATUS "CMAKE_CURRENT_SOURCE_DIR: " ${CMAKE_CURRENT_SOURCE_DIR}) |
| message(STATUS "*******************************************************") |
| message(STATUS "Library: " ${STDOUT_COMPONENT_CMSDK}) |
| message(STATUS "Library: " ${STDOUT_COMPONENT_PL011}) |
| message(STATUS "*******************************************************") |
| |
| else() |
| |
| # Create static library for retarget (stdout/err over UART) |
| set(STDOUT_COMPONENT stdout) |
| add_library(${STDOUT_COMPONENT} STATIC) |
| |
| ## Component sources - public |
| target_sources(${STDOUT_COMPONENT} |
| PUBLIC |
| source/user_input.c) |
| |
| target_link_libraries(${STDOUT_COMPONENT} |
| PUBLIC |
| ${STDOUT_IFACE_TARGET}) |
| |
| # Display status |
| message(STATUS "CMAKE_CURRENT_SOURCE_DIR: " ${CMAKE_CURRENT_SOURCE_DIR}) |
| message(STATUS "*******************************************************") |
| message(STATUS "Library: " ${STDOUT_COMPONENT}) |
| message(STATUS "*******************************************************") |
| endif() |