We now have a Kotlin program to blink a LED on stm32f4_disco.
This commit is contained in:
Alexander Gorshenev
committed by
alexander-gorshenev
alexander-gorshenev
parent
c4111a836e
commit
0de9b3a9b6
+2
-2
@@ -120,10 +120,10 @@ internal class LinkStage(val context: Context) {
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hostLlvmTool("llvm-link", "-o", combinedBc, *bitcodeFiles.toTypedArray())
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val optimizedBc = temporary("optimized", ".bc")
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hostLlvmTool("opt", combinedBc, "-o=$optimizedBc", "-O3")
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hostLlvmTool("opt", combinedBc, "-o=$optimizedBc", "-O3", "-internalize", "-globaldce")
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val combinedO = temporary("combined", ".o")
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hostLlvmTool("llc", combinedBc, "-filetype=obj", "-o", combinedO, "-function-sections", "-data-sections")
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hostLlvmTool("llc", optimizedBc, "-filetype=obj", "-o", combinedO, "-function-sections", "-data-sections")
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return combinedO
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}
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@@ -444,35 +444,5 @@ extern "C" {
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RUNTIME_USED void Konan_abort(const char*) {
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while(1) {}
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}
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/* Support the alias for the __aeabi_memset which may
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assume memory alignment. */
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RUNTIME_USED void __aeabi_memset4 (void *dest, size_t n, int c)
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__attribute__ ((alias ("__aeabi_memset")));
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RUNTIME_USED void __aeabi_memset8 (void *dest, size_t n, int c)
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__attribute__ ((alias ("__aeabi_memset")));
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/* Support the routine __aeabi_memset. Can't alias to memset
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because it's not defined in the same translation unit. */
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RUNTIME_USED void __aeabi_memset (void *dest, size_t n, int c)
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{
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/*Note that relative to ANSI memset, __aeabi_memset hase the order
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of its second and third arguments reversed. */
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memset (dest, c, n);
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}
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/* Support the alias for the __aeabi_memclr which may
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assume memory alignment. */
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RUNTIME_USED void __aeabi_memclr4 (void *dest, size_t n)
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__attribute__ ((alias ("__aeabi_memclr")));
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RUNTIME_USED void __aeabi_memclr8 (void *dest, size_t n)
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__attribute__ ((alias ("__aeabi_memclr")));
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/* Support the routine __aeabi_memclr. */
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RUNTIME_USED void __aeabi_memclr (void *dest, size_t n)
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{
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__aeabi_memset (dest, n, 0);
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}
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#endif // KONAN_ZEPHYR
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}
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@@ -1,4 +1,10 @@
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include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
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project(NONE)
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target_sources(app PRIVATE build/program.o src/main.c src/blinky.c)
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add_library(libsupcpp STATIC IMPORTED)
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set_property(TARGET libsupcpp PROPERTY IMPORTED_LOCATION $ENV{GCCARMEMB_TOOLCHAIN_PATH}/arm-none-eabi/lib/thumb/libsupc++.a )
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target_link_libraries(app libsupcpp)
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target_sources(app PRIVATE src/empty.c build/program.o )
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+23
-2
@@ -22,14 +22,35 @@ fi
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GCC_ARM="$KONAN_DEPS/$TOOLCHAIN"
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rm -rf $DIR/build || exit 1
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mkdir -p $DIR/build && cd $DIR/build
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konanc $DIR/src/main.kt -target zephyr_$BOARD -linkerOpts -L$GCC_ARM/arm-none-eabi/lib/thumb -linkerOpts -lsupc++ -opt || exit 1
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export ZEPHYR_GCC_VARIANT=gccarmemb
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export GCCARMEMB_TOOLCHAIN_PATH=$GCC_ARM
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# This is a kind of forward declaration for `program.o`. See below.
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touch program.o
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[ -f CMakeCache.txt ] || cmake -DCMAKE_VERBOSE_MAKEFILE=ON -DBOARD=$BOARD .. || exit 1
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make zephyr
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. $DIR/c_interop/platforms/$BOARD.sh
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# We need generated headers to be consumed by `cinterop`,
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# so we preconfigure the project with `make zephyr`.
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# But `program.o` should exist at that stage to be detected by the configuration tools.
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# So we create an empty `program.o` above, and then override it with the compiler result below.
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# TODO: do something with this mess.
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rm -f program.o
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konanc $DIR/src/main.kt \
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-target zephyr_$BOARD \
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-r $DIR/c_interop/platforms/build \
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-l $BOARD \
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-opt -g -o program || exit 1
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make || exit 1
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# make flash
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@@ -0,0 +1,30 @@
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# Copyright 2010-2018 JetBrains s.r.o.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Keep this one board independent.
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headers = autoconf.h zephyr.h board.h device.h gpio.h
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compilerOpts = -DKERNEL -DUSE_FULL_LL_DRIVER -DUSE_HAL_DRIVER -D_FORTIFY_SOURCE=2 -D__ZEPHYR__=1 -ffreestanding -std=c99 -nostdinc
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---
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// cinterop doesn't support `#define FOO "string"` constructs as of yet.
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// so we provide this accessor for now. Because the port names
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// are resolved to string literals.
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extern const char* led0_gpio_port(void) {
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return LED0_GPIO_PORT;
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}
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@@ -0,0 +1,46 @@
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# Copyright 2010-2017 JetBrains s.r.o.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# This is board specific.
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if [ x"$BOARD" == x ]; then
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echo "This script is to be included by build.sh"
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exit 0
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fi
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# TODO: we need a robust automated way to ask Zephyr for
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# all these $ZEPHYR_BASE based paths and the proper defines.
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# TODO: The D flag in `-copt -Dxxx` sequence is interpreted to be a jvm property,
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# so we workaround the using -Xclang.
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cinterop -def $DIR/c_interop/platforms/$BOARD.def \
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-pkg platform.zephyr.$BOARD \
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-copt '-Xclang -DSTM32F407xx' \
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-copt -I$ZEPHYR_BASE/kernel/include \
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-copt -I$ZEPHYR_BASE/arch/arm/include \
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-copt -I$ZEPHYR_BASE/arch/arm/soc/st_stm32/stm32f4 \
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-copt -I$ZEPHYR_BASE/arch/arm/soc/st_stm32/stm32f4/include \
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-copt -I$ZEPHYR_BASE/arch/arm/soc/st_stm32/include \
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-copt -I$ZEPHYR_BASE/boards/arm/$BOARD \
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-copt -I$ZEPHYR_BASE/include \
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-copt -I$ZEPHYR_BASE/include/drivers \
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-copt -I$ZEPHYR_BASE/ext/hal/cmsis/Include \
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-copt -I$ZEPHYR_BASE/ext/hal/st/stm32cube/stm32f4xx/soc \
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-copt -I$ZEPHYR_BASE/ext/hal/st/stm32cube/stm32f4xx/drivers/include \
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-copt -I$ZEPHYR_BASE/ext/hal/st/stm32cube/stm32f4xx/drivers/include/Legacy \
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-copt -I$ZEPHYR_BASE/drivers \
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-copt -I$DIR/build/zephyr/include/generated \
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-copt -I$DIR/build/zephyr/include/generated/syscalls \
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-o $DIR/c_interop/platforms/build/$BOARD \
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-target zephyr_$BOARD || exit 1
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@@ -1,36 +0,0 @@
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr.h>
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#include <board.h>
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#include <device.h>
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#include <gpio.h>
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/* Change this if you have an LED connected to a custom port */
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#define PORT LED0_GPIO_PORT
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/* Change this if you have an LED connected to a custom pin */
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#define LED LED0_GPIO_PIN
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/* 1000 msec = 1 sec */
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#define SLEEP_TIME 1000
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void blinky(int value)
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{
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int cnt = 0;
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struct device *dev;
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dev = device_get_binding(PORT);
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/* Set LED pin as output */
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gpio_pin_configure(dev, LED, GPIO_DIR_OUT);
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while (1) {
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/* Set pin to HIGH/LOW every 1 second */
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gpio_pin_write(dev, LED, cnt % 2);
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cnt++;
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k_sleep(SLEEP_TIME * value);
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}
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}
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@@ -0,0 +1,2 @@
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// This is a placeholder empty C file.
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// It is needed for Zephyr to detect the project as C project.
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@@ -1,18 +0,0 @@
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/*
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* Copyright 2010-2018 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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extern int Konan_main(int argc, const char** argv);
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@@ -14,11 +14,27 @@
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* limitations under the License.
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*/
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@SymbolName("blinky")
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external fun blinky(value: Int)
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import platform.zephyr.stm32f4_disco.*
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import kotlinx.cinterop.*
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val x = 1
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fun blinky(value: Int) {
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// See the .def file for details of led0_gpio_port()
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val port = led0_gpio_port()!!.toKString()
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val led = LED0_GPIO_PIN
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var toggler = false
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val dev = device_get_binding(port)
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gpio_pin_configure(dev, led, GPIO_DIR_OUT)
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while (true) {
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/* Set pin to HIGH/LOW every 1 second */
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gpio_pin_write(dev, led, if (toggler) 1 else 0);
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toggler = !toggler
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k_sleep(1000 * value);
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}
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}
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fun main(args: Array<String>) {
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blinky(x)
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blinky(1)
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}
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@@ -90,10 +90,13 @@ class ClangArgs(private val configurables: Configurables) : Configurables by con
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"-fno-pie",
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"-fno-pic",
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"-nostdinc",
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// TODO: make it a libGcc property?
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// We need to get rid of wasm sysroot first.
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"-isystem $targetToolchain/../lib/gcc/arm-none-eabi/7.2.1/include",
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"-isystem $targetToolchain/../lib/gcc/arm-none-eabi/7.2.1/include-fixed",
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"-isystem$absoluteTargetSysRoot/include/libcxx",
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"-isystem$absoluteTargetSysRoot/lib/libcxxabi/include",
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"-isystem$absoluteTargetSysRoot/include/compat",
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"-isystem$absoluteTargetSysRoot/include/libc") +
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"-isystem$absoluteTargetSysRoot/include/libc"
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) +
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(configurables as ZephyrConfigurables).boardSpecificClangFlags
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}
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@@ -140,7 +143,7 @@ class ClangArgs(private val configurables: Configurables) : Configurables by con
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is KonanTarget.ZEPHYR ->
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listOf( "-DKONAN_ZEPHYR=1", "-DKONAN_NO_FFI=1", "-DKONAN_NO_THREADS=1", "-DKONAN_NO_EXCEPTIONS=1",
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"-DKONAN_NO_MATH=1", "-DKONAN_INTERNAL_SNPRINTF=1", "-DKONAN_INTERNAL_NOW=1",
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"-DKONAN_NO_MEMMEM=1", "-DKONAN_NO_CTORS_SECTION")
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"-DKONAN_NO_MEMMEM=1", "-DKONAN_NO_CTORS_SECTION=1")
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}
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private val host = HostManager.host
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