Mark Slevinsky | c01abaf | 2021-11-19 11:57:48 -0500 | [diff] [blame] | 1 | # Copyright 2021 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 | |
| 15 | import("//build_overrides/pigweed.gni") |
| 16 | |
| 17 | import("$dir_pw_build/target_types.gni") |
| 18 | import("$dir_pw_docgen/docs.gni") |
| 19 | import("$dir_pw_unit_test/test.gni") |
| 20 | |
| 21 | config("public_include_path") { |
| 22 | include_dirs = [ "public" ] |
| 23 | } |
| 24 | |
| 25 | group("pw_spi") { |
| 26 | deps = [ |
| 27 | ":chip_selector", |
| 28 | ":device", |
| 29 | ":initiator", |
| 30 | ] |
| 31 | if (host_os == "linux") { |
| 32 | deps += [ ":linux_spi" ] |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | pw_source_set("initiator") { |
| 37 | public_configs = [ ":public_include_path" ] |
| 38 | public = [ "public/pw_spi/initiator.h" ] |
| 39 | public_deps = [ |
| 40 | "$dir_pw_assert", |
| 41 | "$dir_pw_bytes", |
| 42 | "$dir_pw_status", |
| 43 | ] |
| 44 | } |
| 45 | |
| 46 | pw_source_set("chip_selector") { |
| 47 | public_configs = [ ":public_include_path" ] |
| 48 | public = [ "public/pw_spi/chip_selector.h" ] |
| 49 | public_deps = [ "$dir_pw_status" ] |
| 50 | } |
| 51 | |
| 52 | pw_source_set("device") { |
| 53 | public_configs = [ ":public_include_path" ] |
| 54 | public = [ "public/pw_spi/device.h" ] |
| 55 | public_deps = [ |
| 56 | ":chip_selector", |
| 57 | ":initiator", |
| 58 | "$dir_pw_bytes", |
| 59 | "$dir_pw_status", |
| 60 | "$dir_pw_sync:borrow", |
| 61 | ] |
| 62 | } |
| 63 | |
| 64 | # Linux-specific spidev implementation. |
| 65 | pw_source_set("linux_spi") { |
| 66 | public_configs = [ ":public_include_path" ] |
| 67 | public = [ "public/pw_spi/linux_spi.h" ] |
| 68 | public_deps = [ |
| 69 | ":device", |
| 70 | "$dir_pw_bytes", |
| 71 | "$dir_pw_log", |
| 72 | "$dir_pw_status", |
| 73 | "$dir_pw_sync:borrow", |
| 74 | "$dir_pw_sync:mutex", |
| 75 | ] |
| 76 | sources = [ "linux_spi.cc" ] |
| 77 | } |
| 78 | |
| 79 | pw_test_group("tests") { |
| 80 | tests = [ ":spi_test" ] |
| 81 | } |
| 82 | |
| 83 | pw_test("spi_test") { |
| 84 | sources = [ "spi_test.cc" ] |
| 85 | deps = [ |
| 86 | ":device", |
| 87 | "$dir_pw_sync:mutex", |
| 88 | ] |
| 89 | } |
| 90 | |
| 91 | # Linux tests currently only work on a target with spidev support and a SPI endpoint |
| 92 | # mounted at /dev/spidev0.0 |
| 93 | pw_test("linux_spi_test") { |
| 94 | sources = [ "linux_spi_test.cc" ] |
| 95 | deps = [ |
| 96 | ":device", |
| 97 | ":linux_spi", |
| 98 | ] |
| 99 | } |
| 100 | |
| 101 | pw_doc_group("docs") { |
| 102 | sources = [ "docs.rst" ] |
| 103 | } |