# Copyright 2020 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.

load(
    "//pw_build:pigweed.bzl",
    "pw_cc_library",
    "pw_cc_test",
)

package(default_visibility = ["//visibility:public"])

licenses(["notice"])

pw_cc_library(
    name = "initiator",
    hdrs = [
        "public/pw_spi/initiator.h",
    ],
    includes = ["public"],
    deps = [
        "//pw_assert",
        "//pw_bytes",
        "//pw_status",
    ],
)

pw_cc_library(
    name = "chip_selector",
    hdrs = [
        "public/pw_spi/chip_selector.h",
    ],
    includes = ["public"],
    deps = [
        "//pw_status",
    ],
)

pw_cc_library(
    name = "device",
    hdrs = [
        "public/pw_spi/device.h",
    ],
    includes = ["public"],
    deps = [
        ":chip_selector",
        ":initiator",
        "//pw_bytes",
        "//pw_chrono:system_clock",
        "//pw_status",
        "//pw_sync:borrow",
    ],
)

pw_cc_test(
    name = "spi_test",
    srcs = [
        "spi_test.cc",
    ],
    deps = [
        ":device",
        "//pw_sync:mutex",
        "//pw_unit_test",
    ],
)

# Linux-specific spidev implementation.
pw_cc_library(
    name = "linux_spi",
    srcs = ["linux_spi.cc"],
    hdrs = ["public/pw_spi/linux_spi.h"],
    includes = ["public"],
    deps = [
        ":device",
        "//pw_bytes",
        "//pw_chrono:system_clock",
        "//pw_log",
        "//pw_status",
        "//pw_sync:borrow",
        "//pw_sync:mutex",
    ],
)

pw_cc_test(
    name = "linux_spi_test",
    srcs = ["linux_spi_test.cc"],
    deps = [
        ":device",
        ":linux_spi",
    ],
)