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# Copyright 2022 The Pigweed 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
#
# https://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/pi_pico.gni")
import("//build_overrides/pigweed.gni")
import("$dir_pw_build/target_types.gni")
# TODO(amontanez): This can go away if the GN build can be upstreamed to the
# Pi Pico repo.
_CWD = "${PICO_SRC_DIR}/src/rp2_common/pico_stdio"
import("${PICO_ROOT}/src/common/pico_stdlib/pico_stdio.gni")
config("public_include_dirs") {
include_dirs = [ "${_CWD}/include" ]
defines = [ "${PICO_STDIO}=1" ]
}
config("printf_wrappers") {
ldflags = [
"-Wl,--wrap=printf",
"-Wl,--wrap=vprintf",
"-Wl,--wrap=puts",
"-Wl,--wrap=putchar",
"-Wl,--wrap=getchar",
]
}
# TODO(amontanez): This is definitely a facade. For now, just have header and
# header+impl build targets to simulate.
pw_source_set("headers") {
public_configs = [
":public_include_dirs",
"${PICO_ROOT}/gn:disable_warnings",
]
public_deps = [
"${PICO_ROOT}/src/common/pico_base",
"${PICO_ROOT}/src/rp2_common/pico_platform",
]
public = [
"${_CWD}/include/pico/stdio.h",
"${_CWD}/include/pico/stdio/driver.h",
]
}
pw_source_set("pico_stdio") {
public_configs = [ "${PICO_ROOT}/gn:disable_warnings" ]
all_dependent_configs = [ ":printf_wrappers" ]
public_deps = [ ":headers" ]
deps = [
"${PICO_ROOT}/src/common/pico_sync",
"${PICO_ROOT}/src/common/pico_time",
"${PICO_ROOT}/src/rp2_common/pico_printf",
]
if (PICO_STDIO == ENUM_LIB_PICO_STDIO.UART) {
deps += [ "${PICO_ROOT}/src/rp2_common/pico_stdio_uart" ]
} else if (PICO_STDIO == ENUM_LIB_PICO_STDIO.USB) {
deps += [ "${PICO_ROOT}/src/rp2_common/pico_stdio_usb" ]
} else if (PICO_STDIO == ENUM_LIB_PICO_STDIO.SEMIHOSTING) {
deps += [ "${PICO_ROOT}/src/rp2_common/pico_stdio_semihosting" ]
}
sources = [ "${_CWD}/stdio.c" ]
# Due to disabling CRLF support.
cflags = [ "-Wno-unused-parameter" ]
}
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