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1# Copyright 2020 The Pigweed Authors
2#
3# Licensed under the Apache License, Version 2.0 (the "License"); you may not
4# use this file except in compliance with the License. You may obtain a copy of
5# the License at
6#
7#     https://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
11# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
12# License for the specific language governing permissions and limitations under
13# the License.
14
15load(
16    "//pw_build:pigweed.bzl",
17    "pw_cc_library",
18    "pw_cc_test",
19)
20
21package(default_visibility = ["//visibility:public"])
22
23licenses(["notice"])
24
25pw_cc_library(
26    name = "initiator",
27    hdrs = [
28        "public/pw_spi/initiator.h",
29    ],
30    includes = ["public"],
31    deps = [
32        "//pw_assert",
33        "//pw_bytes",
34        "//pw_status",
35    ],
36)
37
38pw_cc_library(
39    name = "chip_selector",
40    hdrs = [
41        "public/pw_spi/chip_selector.h",
42    ],
43    includes = ["public"],
44    deps = [
45        "//pw_status",
46    ],
47)
48
49pw_cc_library(
50    name = "initiator_mock",
51    testonly = True,
52    srcs = ["initiator_mock.cc"],
53    hdrs = [
54        "public/pw_spi/chip_selector_mock.h",
55        "public/pw_spi/initiator_mock.h",
56    ],
57    includes = ["public"],
58    deps = [
59        ":chip_selector",
60        ":initiator",
61        "//pw_assert",
62        "//pw_containers",
63        "//pw_containers:to_array",
64        "//pw_unit_test",
65    ],
66)
67
68pw_cc_test(
69    name = "initiator_mock_test",
70    srcs = [
71        "initiator_mock_test.cc",
72    ],
73    deps = [
74        ":initiator_mock",
75        "//pw_bytes",
76        "//pw_containers",
77        "//pw_unit_test",
78    ],
79)
80
81pw_cc_library(
82    name = "device",
83    hdrs = [
84        "public/pw_spi/device.h",
85    ],
86    includes = ["public"],
87    deps = [
88        ":chip_selector",
89        ":initiator",
90        "//pw_bytes",
91        "//pw_chrono:system_clock",
92        "//pw_status",
93        "//pw_sync:borrow",
94    ],
95)
96
97pw_cc_test(
98    name = "spi_test",
99    srcs = [
100        "spi_test.cc",
101    ],
102    deps = [
103        ":device",
104        "//pw_sync:mutex",
105        "//pw_unit_test",
106    ],
107)
108
109# Linux-specific spidev implementation.
110pw_cc_library(
111    name = "linux_spi",
112    srcs = ["linux_spi.cc"],
113    hdrs = ["public/pw_spi/linux_spi.h"],
114    includes = ["public"],
115    deps = [
116        ":device",
117        "//pw_bytes",
118        "//pw_chrono:system_clock",
119        "//pw_log",
120        "//pw_status",
121        "//pw_sync:borrow",
122        "//pw_sync:mutex",
123    ],
124)
125