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# Copyright 2023 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.
# BUILD.bazel file for stm32xxx_hal_driver.
# buildifier: disable=module-docstring
# Must point to a cc_library exposing a header named stm32f4xx_hal_conf.h (or
# similar for other families) that contains the HAL configuration
label_flag(
name = "hal_config",
build_setting_default = ":unspecified",
)
# May point to a non-default implementation of timebase.
label_flag(
name = "timebase",
build_setting_default = ":default_timebase",
)
# Should point to the corresponding cmsis_device library. Hidden behind a label
# flag so that it can be overriden in projects that build for more than one
# family of STM processors.
label_flag(
name = "cmsis_device",
build_setting_default = "@cmsis_device",
)
label_flag(
name = "cmsis_init",
build_setting_default = "@cmsis_device//:default_cmsis_init",
)
# Special target used as a default value of the hal_config label_flag. It's not
# compatible with any platform: To use Pigweed's STM32Cube integration, you
# must provide a hal_config.
cc_library(
name = "unspecified",
target_compatible_with = ["@platforms//:incompatible"],
)
cc_library(
name = "default_timebase",
srcs = glob(["Src/*_hal_timebase_tim_template.c"]),
deps = [":hal_driver_without_timebase"],
)
_DISABLED_WARNINGS = [
"-Wno-unused-parameter",
"-Wno-redundant-decls",
"-Wno-sign-compare",
"-Wno-undef",
"-Wno-implicit-function-declaration",
"-Wno-switch-enum",
]
cc_library(
name = "hal_driver",
deps = [
":hal_driver_without_timebase",
":timebase",
],
copts = _DISABLED_WARNINGS,
)
cc_library(
name = "hal_driver_without_timebase",
srcs = glob(
[
"Src/*.c",
"Src/Legacy/*.c",
],
exclude = ["Src/*_template.c"],
),
deps = [
":cmsis_device",
":cmsis_init",
":hal_headers",
],
copts = _DISABLED_WARNINGS,
)
cc_library(
name = "hal_headers",
hdrs = glob(
[
"Inc/*.h",
"Inc/Legacy/*.h",
],
exclude = [
# Excluded because implementers may want to override this template.
"Inc/*_hal_conf_template.h",
],
),
includes = [
"Inc",
"Inc/Legacy",
],
deps = [
":cmsis_device",
":hal_config",
],
defines = [
"USE_HAL_DRIVER",
],
copts = _DISABLED_WARNINGS,
)
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