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[nrfconnect] Fix pigweed/protobuf compiler flags #14876

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Feb 8, 2022
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9 changes: 3 additions & 6 deletions examples/lighting-app/nrfconnect/CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -114,14 +114,13 @@ endif()

if (CONFIG_CHIP_PW_RPC)

# Make all targets created below depend on zephyr_interface to inherit MCU-related compilation flags
link_libraries($<BUILD_INTERFACE:zephyr_interface>)

set(PIGWEED_ROOT "${CHIP_ROOT}/third_party/pigweed/repo")
include(${PIGWEED_ROOT}/pw_build/pigweed.cmake)
include(${PIGWEED_ROOT}/pw_protobuf_compiler/proto.cmake)

# TODO: Remove this temporary fix needed to get RPC builds working.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mcpu=cortex-m4 -mthumb" CACHE INTERNAL "")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcpu=cortex-m4 -mthumb" CACHE INTERNAL "")

pw_set_backend(pw_log pw_log_basic)
pw_set_backend(pw_assert pw_assert_log)
pw_set_backend(pw_sys_io pw_sys_io.nrfconnect)
Expand Down Expand Up @@ -223,6 +222,4 @@ target_link_options(app
"-T${PIGWEED_ROOT}/pw_tokenizer/pw_tokenizer_linker_sections.ld"
)

target_link_libraries(pw_build INTERFACE zephyr_interface)

endif(CONFIG_CHIP_PW_RPC)
5 changes: 1 addition & 4 deletions examples/lighting-app/nrfconnect/rpc.overlay
Original file line number Diff line number Diff line change
Expand Up @@ -26,9 +26,6 @@ CONFIG_CHIP_PW_RPC=y
CONFIG_STD_CPP14=n
CONFIG_STD_CPP17=y

# Disable HW floating point, as libprotobuf nano doesn't support building with it
CONFIG_FPU=n

# Add support for Zephyr console component to use it for Pigweed console purposes
CONFIG_CONSOLE_SUBSYS=y
CONFIG_CONSOLE_GETCHAR=y
Expand All @@ -48,4 +45,4 @@ CONFIG_LOG_BACKEND_UART=n
CONFIG_LOG_BACKEND_RTT=n

# Increase zephyr tty rx buffer
CONFIG_CONSOLE_GETCHAR_BUFSIZE=128
CONFIG_CONSOLE_GETCHAR_BUFSIZE=128
5 changes: 3 additions & 2 deletions examples/pigweed-app/nrfconnect/CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -43,6 +43,9 @@ include(${CHIP_ROOT}/config/nrfconnect/app/enable-gnu-std.cmake)
# See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80635
target_compile_options(app PRIVATE -Werror -Wno-error=maybe-uninitialized)

# Make all targets created below depend on zephyr_interface to inherit MCU-related compilation flags
link_libraries($<BUILD_INTERFACE:zephyr_interface>)

include(${PIGWEED_ROOT}/pw_build/pigweed.cmake)
include(${PIGWEED_ROOT}/pw_protobuf_compiler/proto.cmake)

Expand Down Expand Up @@ -86,6 +89,4 @@ target_link_libraries(app PUBLIC
pw_rpc.server
)

target_link_libraries(pw_build INTERFACE zephyr_interface)

include(${CHIP_ROOT}/config/nrfconnect/app/flashing.cmake)
2 changes: 1 addition & 1 deletion examples/pigweed-app/nrfconnect/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -326,7 +326,7 @@ to read more about flashing on the nRF52840 Dongle.
Run the following command to start an interactive Python shell, where the Echo
RPC commands can be invoked:

python -m pw_hdlc.rpc_console --device /dev/ttyACM0 -b 115200 $CHIP_ROOT/third_party/pigweed/repo/pw_rpc/echo.proto -o /tmp/pw_rpc.out
python -m pw_hdlc.rpc_console --device /dev/ttyACM0 -b 115200 --proto-globs $CHIP_ROOT/third_party/pigweed/repo/pw_rpc/echo.proto -o /tmp/pw_rpc.out

To send an Echo RPC message, type the following command, where the actual
message is the text in quotation marks after the `msg=` phrase:
Expand Down
3 changes: 0 additions & 3 deletions examples/pigweed-app/nrfconnect/prj.conf
Original file line number Diff line number Diff line change
Expand Up @@ -30,9 +30,6 @@ CONFIG_CHIP_PW_RPC=y
CONFIG_STD_CPP14=n
CONFIG_STD_CPP17=y

# Disable HW floating point, as libprotobuf nano doesn't support building with it
CONFIG_FPU=n

# Add support for Zephyr console component to use it for Pigweed console purposes
CONFIG_CONSOLE_SUBSYS=y
CONFIG_CONSOLE_GETCHAR=y
Expand Down