pw_i2c: Add cmake integration

Add cmake integration for pw_i2c submodule and create
all interfaces and libraries as in BUILD.gn.

Change-Id: I56792ada26b49d8a1e52bd6370a5c1914b37b57c
Signed-off-by: Radu Dobroiu <rdobroiu@google.com>
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/172210
Reviewed-by: Cosmin Petrisor <cpetrisor@google.com>
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Ewout van Bekkum <ewout@google.com>

CMakeLists.txt

@@ -93,6 +93,7 @@ add_subdirectory(pw_file EXCLUDE_FROM_ALL)
 add_subdirectory(pw_function EXCLUDE_FROM_ALL)
 add_subdirectory(pw_fuzzer EXCLUDE_FROM_ALL)
 add_subdirectory(pw_hdlc EXCLUDE_FROM_ALL)
+add_subdirectory(pw_i2c EXCLUDE_FROM_ALL)
 add_subdirectory(pw_interrupt EXCLUDE_FROM_ALL)
 add_subdirectory(pw_interrupt_cortex_m EXCLUDE_FROM_ALL)
 add_subdirectory(pw_interrupt_zephyr EXCLUDE_FROM_ALL)

pw_i2c/CMakeLists.txt

@@ -0,0 +1,185 @@
+# 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.
+
+include($ENV{PW_ROOT}/pw_build/pigweed.cmake)
+include($ENV{PW_ROOT}/pw_protobuf_compiler/proto.cmake)
+
+pw_add_library(pw_i2c.address STATIC
+  HEADERS
+    public/pw_i2c/address.h
+  PUBLIC_INCLUDES
+    public
+  PUBLIC_DEPS
+    pw_assert
+  SOURCES
+    address.cc
+)
+
+pw_add_library(pw_i2c.initiator INTERFACE
+  HEADERS
+    public/pw_i2c/initiator.h
+  PUBLIC_INCLUDES
+    public
+  PUBLIC_DEPS
+    pw_bytes
+    pw_chrono.system_clock
+    pw_i2c.address
+    pw_status
+)
+
+pw_add_library(pw_i2c.device INTERFACE
+  HEADERS
+    public/pw_i2c/device.h
+  PUBLIC_INCLUDES
+    public
+  PUBLIC_DEPS
+    pw_bytes
+    pw_chrono.system_clock
+    pw_i2c.address
+    pw_i2c.initiator
+    pw_span
+    pw_status
+)
+
+pw_add_library(pw_i2c.register_device STATIC
+  HEADERS
+    public/pw_i2c/register_device.h
+  PUBLIC_INCLUDES
+    public
+  PUBLIC_DEPS
+    pw_bytes
+    pw_chrono.system_clock
+    pw_i2c.address
+    pw_i2c.device
+    pw_i2c.initiator
+    pw_result
+    pw_status
+  PRIVATE_DEPS
+    pw_assert
+  SOURCES
+    register_device.cc
+)
+
+pw_proto_library(pw_i2c.protos
+  SOURCES
+    i2c.proto
+  INPUTS
+    i2c.options
+  PREFIX
+    pw_i2c
+)
+
+pw_add_library(pw_i2c.i2c_service STATIC
+  HEADERS
+    public/pw_i2c/i2c_service.h
+  PUBLIC_INCLUDES
+    public
+  PUBLIC_DEPS
+    pw_chrono.system_clock
+    pw_i2c.initiator
+    pw_i2c.protos.pwpb_rpc
+  PRIVATE_DEPS
+    pw_containers.vector
+    pw_i2c.address
+    pw_status
+  SOURCES
+    i2c_service.cc
+)
+
+pw_add_library(pw_i2c.mock STATIC
+  HEADERS
+    public/pw_i2c/initiator_mock.h
+  PUBLIC_INCLUDES
+    public
+  PUBLIC_DEPS
+    pw_bytes
+    pw_containers
+    pw_containers.to_array
+    pw_i2c.initiator
+  PRIVATE_DEPS
+    pw_assert
+    pw_unit_test
+  SOURCES
+    initiator_mock.cc
+)
+
+pw_add_library(pw_i2c.gmock INTERFACE
+  HEADERS
+    public/pw_i2c/initiator_gmock.h
+  PUBLIC_INCLUDES
+    public
+  PUBLIC_DEPS
+    pw_i2c.initiator
+    pw_third_party.googletest
+)
+
+pw_add_test(pw_i2c.address_test
+  SOURCES
+    address_test.cc
+  PRIVATE_DEPS
+    pw_i2c.address
+  GROUPS
+    modules
+    pw_i2c
+)
+
+if(NOT "${pw_chrono.system_clock_BACKEND}" STREQUAL "")
+pw_add_test(pw_i2c.device_test
+  SOURCES
+    device_test.cc
+  PRIVATE_DEPS
+    pw_containers
+    pw_i2c.device
+    pw_i2c.mock
+  GROUPS
+    modules
+    pw_i2c
+)
+
+pw_add_test(pw_i2c.register_device_test
+  SOURCES
+    register_device_test.cc
+  PRIVATE_DEPS
+    pw_assert
+    pw_i2c.register_device
+  GROUPS
+    modules
+    pw_i2c
+)
+
+pw_add_test(pw_i2c.initiator_mock_test
+  SOURCES
+    initiator_mock_test.cc
+  PUBLIC_DEPS
+    pw_containers
+    pw_i2c.mock
+  GROUPS
+    modules
+    pw_i2c
+)
+
+pw_add_test(pw_i2c.i2c_service_test
+  SOURCES
+    i2c_service_test.cc
+  PUBLIC_DEPS
+    pw_containers.vector
+    pw_i2c.i2c_service
+    pw_i2c.mock
+    pw_rpc.test_utils
+    pw_status
+  GROUPS
+    modules
+    pw_i2c
+)
+endif()