pw_board_led: Add module
* Adds the STM32F429I-DSIC1 upstream Pigweed target.
* Adds the pw_board_led facade and two backends.
* Fixes pw_trace-related warnings.
Adds the pw_board_led facade and backend implementations for Teensy3/4
and the STM32F429I-DISC1.
Change-Id: I42d8a4142d67e2653217805631fbba29ed596e34
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/sample_project/+/23440
Reviewed-by: Anthony DiGirolamo <tonymd@google.com>
Reviewed-by: Keir Mierle <keir@google.com>
Commit-Queue: Armando Montanez <amontanez@google.com>
diff --git a/BUILD.gn b/BUILD.gn
index 21e6bd9..f2c0eea 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -56,7 +56,6 @@
# build.
deps += [ ":tests_run" ]
}
- deps += [ "$dir_pw_trace" ]
}
group("arduino") {
@@ -69,6 +68,15 @@
}
}
+group("stm32f429i_disc1") {
+ _default_toolchain = "//targets/stm32f429i-disc1:stm32f429i_disc1_debug"
+ _testing_toolchain = "${_default_toolchain}_tests"
+ deps = [
+ ":app(${_default_toolchain})",
+ ":tests(${_testing_toolchain})",
+ ]
+}
+
group("arduino_tests") {
deps = []
if (pw_unit_test_AUTOMATIC_RUNNER == "") {
@@ -98,9 +106,11 @@
}
group("workshop") {
+ deps = []
if (dir_pw_third_party_arduino != "") {
- deps = [ "//workshop/01-blinky:blinky(//targets/arduino:arduino_debug)" ]
+ deps += [ "//workshop/01-blinky:blinky(//targets/arduino:arduino_debug)" ]
}
+ deps += [ "//workshop/01-blinky:blinky(//targets/stm32f429i-disc1:stm32f429i_disc1_debug)" ]
}
# Lists all the targets build by default with e.g. `ninja -C out`.
diff --git a/source/pw_board_led/BUILD.gn b/source/pw_board_led/BUILD.gn
new file mode 100644
index 0000000..189e056
--- /dev/null
+++ b/source/pw_board_led/BUILD.gn
@@ -0,0 +1,32 @@
+# Copyright 2020 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.
+
+import("//build_overrides/pigweed.gni")
+
+import("$dir_pw_build/facade.gni")
+
+declare_args() {
+ # The backend (driver) to use for the board LED.
+ pw_board_led_BACKEND = ""
+}
+
+config("public_includes") {
+ include_dirs = [ "public" ]
+}
+
+pw_facade("pw_board_led") {
+ backend = pw_board_led_BACKEND
+ public_configs = [ ":public_includes" ]
+ public = [ "public/pw_board_led/led.h" ]
+}
diff --git a/source/pw_board_led/public/pw_board_led/led.h b/source/pw_board_led/public/pw_board_led/led.h
new file mode 100644
index 0000000..a7c5f32
--- /dev/null
+++ b/source/pw_board_led/public/pw_board_led/led.h
@@ -0,0 +1,25 @@
+// Copyright 2020 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.
+#pragma once
+
+namespace pw::board_led {
+
+void Init();
+void TurnOn();
+void TurnOff();
+void Toggle();
+
+// TODO(amontanez): Maybe we should add a GetState()? 🤔
+
+} // namespace pw::board_led
diff --git a/source/pw_board_led_stm32f429i_disc1/BUILD.gn b/source/pw_board_led_stm32f429i_disc1/BUILD.gn
new file mode 100644
index 0000000..29cb634
--- /dev/null
+++ b/source/pw_board_led_stm32f429i_disc1/BUILD.gn
@@ -0,0 +1,25 @@
+# Copyright 2020 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.
+
+import("//build_overrides/pigweed.gni")
+
+import("$dir_pw_build/target_types.gni")
+
+pw_source_set("pw_board_led_stm32f429i_disc1") {
+ deps = [
+ "//source/pw_board_led:pw_board_led.facade",
+ dir_pw_preprocessor,
+ ]
+ sources = [ "led.cc" ]
+}
diff --git a/source/pw_board_led_stm32f429i_disc1/led.cc b/source/pw_board_led_stm32f429i_disc1/led.cc
new file mode 100644
index 0000000..77fcab5
--- /dev/null
+++ b/source/pw_board_led_stm32f429i_disc1/led.cc
@@ -0,0 +1,108 @@
+// Copyright 2020 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 "pw_board_led/led.h"
+
+#include <cinttypes>
+
+#include "pw_preprocessor/compiler.h"
+
+namespace pw::board_led {
+namespace {
+
+// Base address for everything peripheral-related on the STM32F4xx.
+constexpr uint32_t kPeripheralBaseAddr = 0x40000000u;
+// Base address for everything AHB1-related on the STM32F4xx.
+constexpr uint32_t kAhb1PeripheralBase = kPeripheralBaseAddr + 0x00020000U;
+// Base address for everything APB2-related on the STM32F4xx.
+constexpr uint32_t kApb2PeripheralBase = kPeripheralBaseAddr + 0x00010000U;
+
+// Reset/clock configuration block (RCC).
+// `reserved` fields are unimplemented features, and are present to ensure
+// proper alignment of registers that are in use.
+PW_PACKED(struct) RccBlock {
+ uint32_t reserved1[12];
+ uint32_t ahb1_config;
+ uint32_t reserved2[4];
+ uint32_t apb2_config;
+};
+
+// GPIO register block definition.
+PW_PACKED(struct) GpioBlock {
+ uint32_t modes;
+ uint32_t out_type;
+ uint32_t out_speed;
+ uint32_t pull_up_down;
+ uint32_t input_data;
+ uint32_t output_data;
+ uint32_t gpio_bit_set;
+ uint32_t port_config_lock;
+ uint32_t alt_low;
+ uint32_t alt_high;
+};
+
+// Constants related to GPIO mode register masks.
+constexpr uint32_t kGpioPortModeMask = 0x3u;
+constexpr uint32_t kGpio13PortModePos = 26;
+constexpr uint32_t kGpioPortModeOutput = 1;
+
+// Constants related to GPIO output mode register masks.
+constexpr uint32_t kGpioOutputModeMask = 0x1u;
+constexpr uint32_t kGpio13OutputModePos = 13;
+constexpr uint32_t kGpioOutputModePushPull = 0;
+
+constexpr uint32_t kGpio13BitSetHigh = 0x1u << 13;
+constexpr uint32_t kGpio13BitSetLow = kGpio13BitSetHigh << 16;
+
+// Mask for ahb1_config (AHB1ENR) to enable the "G" GPIO pins.
+constexpr uint32_t kGpioGEnable = 0x1u << 6;
+
+// Declare a reference to the memory mapped RCC block.
+volatile RccBlock& platform_rcc =
+ *reinterpret_cast<volatile RccBlock*>(kAhb1PeripheralBase + 0x3800U);
+
+// Declare a reference to the 'G' GPIO memory mapped block.
+volatile GpioBlock& gpio_g =
+ *reinterpret_cast<volatile GpioBlock*>(kAhb1PeripheralBase + 0x1800U);
+
+} // namespace
+
+void Init() {
+ // Enable 'G' GIPO clocks.
+ platform_rcc.ahb1_config |= kGpioGEnable;
+
+ // Enable Pin 13 in output mode.
+ gpio_g.modes = (gpio_g.modes & ~(kGpioPortModeMask << kGpio13PortModePos)) |
+ (kGpioPortModeOutput << kGpio13PortModePos);
+
+ // Enable Pin 13 in output mode "push pull"
+ gpio_g.out_type =
+ (gpio_g.out_type & ~(kGpioOutputModeMask << kGpio13OutputModePos)) |
+ (kGpioOutputModePushPull << kGpio13OutputModePos);
+}
+
+void TurnOff() { gpio_g.gpio_bit_set = kGpio13BitSetLow; }
+
+void TurnOn() { gpio_g.gpio_bit_set = kGpio13BitSetHigh; }
+
+void Toggle() {
+ // Check if the LED is on. If so, turn it off.
+ if (gpio_g.output_data & kGpio13BitSetHigh) {
+ TurnOff();
+ } else {
+ TurnOn();
+ }
+}
+
+} // namespace pw::board_led
diff --git a/source/pw_board_led_teensy/BUILD.gn b/source/pw_board_led_teensy/BUILD.gn
new file mode 100644
index 0000000..ef6e6da
--- /dev/null
+++ b/source/pw_board_led_teensy/BUILD.gn
@@ -0,0 +1,27 @@
+# Copyright 2020 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.
+
+import("//build_overrides/pigweed.gni")
+
+import("$dir_pw_arduino_build/arduino.gni")
+import("$dir_pw_build/target_types.gni")
+
+pw_source_set("pw_board_led_teensy") {
+ deps = [
+ "$dir_pw_third_party_arduino:arduino_core_sources",
+ "//source/pw_board_led:pw_board_led.facade",
+ ]
+ sources = [ "led.cc" ]
+ remove_configs = [ "$dir_pw_build:strict_warnings" ]
+}
diff --git a/source/pw_board_led_teensy/led.cc b/source/pw_board_led_teensy/led.cc
new file mode 100644
index 0000000..4a81011
--- /dev/null
+++ b/source/pw_board_led_teensy/led.cc
@@ -0,0 +1,53 @@
+// Copyright 2020 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 "pw_board_led/led.h"
+
+#include <Arduino.h>
+
+#include <cinttypes>
+
+namespace pw::board_led {
+namespace {
+
+constexpr int kLedPin = 13;
+bool led_on = false;
+
+} // namespace
+
+void Init() {
+ pinMode(kLedPin, OUTPUT);
+ TurnOff();
+}
+
+void TurnOff() {
+ digitalWrite(kLedPin, LOW);
+ led_on = false;
+}
+
+void TurnOn() {
+ digitalWrite(kLedPin, HIGH);
+ led_on = true;
+}
+
+void Toggle() {
+ // Check if the LED is on. If so, turn it off.
+ if (led_on) {
+ TurnOff();
+ } else {
+ TurnOn();
+ }
+}
+
+} // namespace pw::board_led
diff --git a/targets/arduino/BUILD.gn b/targets/arduino/BUILD.gn
index 0b27fe0..2468b41 100644
--- a/targets/arduino/BUILD.gn
+++ b/targets/arduino/BUILD.gn
@@ -12,10 +12,11 @@
# License for the specific language governing permissions and limitations under
# the License.
-# Include this import first. Adding a comment prevents imports reordering.
import("//build_overrides/pigweed.gni")
+
import("$dir_pw_toolchain/generate_toolchain.gni")
import("target_toolchains.gni")
+
generate_toolchains("toolchains") {
toolchains = toolchains_list
}
diff --git a/targets/arduino/target_toolchains.gni b/targets/arduino/target_toolchains.gni
index 95a4169..6b7045e 100644
--- a/targets/arduino/target_toolchains.gni
+++ b/targets/arduino/target_toolchains.gni
@@ -12,7 +12,6 @@
# License for the specific language governing permissions and limitations under
# the License.
-# Include this import first. Adding a comment prevents imports reordering.
import("//build_overrides/pigweed.gni")
import("$dir_pigweed/targets/arduino/target_toolchains.gni")
@@ -38,11 +37,10 @@
# pw_tokenizer_GLOBAL_HANDLER_WITH_PAYLOAD_BACKEND =
# "//source/logging:hldc_log_handler"
- # Tokenizer trace time.
- pw_trace_tokenizer_time = "$dir_pw_trace_tokenized:host_trace_time"
-
# Path to the nanopb installation. Defaults to included git module.
dir_pw_third_party_nanopb = "//third_party/nanopb"
+
+ pw_board_led_BACKEND = "//source/pw_board_led_teensy"
}
target_toolchain_arduino = {
diff --git a/targets/host/BUILD.gn b/targets/host/BUILD.gn
index 0b27fe0..2468b41 100644
--- a/targets/host/BUILD.gn
+++ b/targets/host/BUILD.gn
@@ -12,10 +12,11 @@
# License for the specific language governing permissions and limitations under
# the License.
-# Include this import first. Adding a comment prevents imports reordering.
import("//build_overrides/pigweed.gni")
+
import("$dir_pw_toolchain/generate_toolchain.gni")
import("target_toolchains.gni")
+
generate_toolchains("toolchains") {
toolchains = toolchains_list
}
diff --git a/targets/host/target_toolchains.gni b/targets/host/target_toolchains.gni
index b7079f4..efe81ab 100644
--- a/targets/host/target_toolchains.gni
+++ b/targets/host/target_toolchains.gni
@@ -12,7 +12,6 @@
# License for the specific language governing permissions and limitations under
# the License.
-# Include this import first. Adding a comment prevents imports reordering.
import("//build_overrides/pigweed.gni")
import("$dir_pigweed/targets/host/target_toolchains.gni")
@@ -41,9 +40,6 @@
# Configure backend for pw_sys_io facade.
pw_sys_io_BACKEND = "$dir_pw_sys_io_stdio"
- # Tokenizer trace time.
- pw_trace_tokenizer_time = "$dir_pw_trace_tokenized:host_trace_time"
-
# Path to the nanopb installation. Defaults to included git module.
dir_pw_third_party_nanopb = "//third_party/nanopb"
}
@@ -54,12 +50,17 @@
"name",
]
+ _excluded_defaults = [
+ "pw_trace_BACKEND",
+ "pw_trace_tokenizer_time",
+ ]
+
clang_debug = {
name = "host_clang_debug"
_toolchain_base = pw_target_toolchain_host.clang_debug
forward_variables_from(_toolchain_base, "*", _excluded_members)
defaults = {
- forward_variables_from(_toolchain_base.defaults, "*")
+ forward_variables_from(_toolchain_base.defaults, "*", _excluded_defaults)
forward_variables_from(_host_toolchain_overrides, "*")
}
}
@@ -70,7 +71,7 @@
_toolchain_base = pw_target_toolchain_host.clang_debug
forward_variables_from(_toolchain_base, "*", _excluded_members)
defaults = {
- forward_variables_from(_toolchain_base.defaults, "*")
+ forward_variables_from(_toolchain_base.defaults, "*", _excluded_defaults)
forward_variables_from(_host_toolchain_overrides, "*")
# Force tests to use basic log backend to avoid generating and loading its
diff --git a/targets/stm32f429i-disc1/BUILD.gn b/targets/stm32f429i-disc1/BUILD.gn
new file mode 100644
index 0000000..2468b41
--- /dev/null
+++ b/targets/stm32f429i-disc1/BUILD.gn
@@ -0,0 +1,22 @@
+# Copyright 2020 The Pigweed Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+
+import("//build_overrides/pigweed.gni")
+
+import("$dir_pw_toolchain/generate_toolchain.gni")
+import("target_toolchains.gni")
+
+generate_toolchains("toolchains") {
+ toolchains = toolchains_list
+}
diff --git a/targets/stm32f429i-disc1/target_toolchains.gni b/targets/stm32f429i-disc1/target_toolchains.gni
new file mode 100644
index 0000000..63ab4c6
--- /dev/null
+++ b/targets/stm32f429i-disc1/target_toolchains.gni
@@ -0,0 +1,86 @@
+# Copyright 2020 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.
+
+import("//build_overrides/pigweed.gni")
+
+import("$dir_pigweed/targets/stm32f429i-disc1/target_toolchains.gni")
+import("$dir_pw_protobuf_compiler/proto.gni")
+import("$dir_pw_third_party/nanopb/nanopb.gni")
+
+# Inherit from a Pigweed upstream toolchain and override backends as needed.
+_device_toolchain_overrides = {
+ # Configure backend for assert facade.
+ pw_assert_BACKEND = "$dir_pw_assert_basic"
+
+ # Configure backend for logging facade.
+
+ # Plain text logging
+ pw_log_BACKEND = "$dir_pw_log_basic"
+
+ # Tokenized logging: https://pigweed.dev/pw_tokenizer/
+ # pw_log_BACKEND = "$dir_pw_log_tokenized:log_backend"
+
+ # Log handler backend
+ # pw_tokenizer_GLOBAL_HANDLER_WITH_PAYLOAD_BACKEND =
+ # "//source/logging:tokenized_log_handler"
+ # pw_tokenizer_GLOBAL_HANDLER_WITH_PAYLOAD_BACKEND =
+ # "//source/logging:hldc_log_handler"
+
+ # Path to the nanopb installation. Defaults to included git module.
+ dir_pw_third_party_nanopb = "//third_party/nanopb"
+
+ pw_board_led_BACKEND = "//source/pw_board_led_stm32f429i_disc1"
+}
+
+target_toolchain_stm32f429i_disc1 = {
+ _excluded_members = [
+ "defaults",
+ "name",
+ ]
+ _excluded_defaults = [
+ "pw_cpu_exception_ENTRY_BACKEND",
+ "pw_cpu_exception_HANDLER_BACKEND",
+ "pw_cpu_exception_SUPPORT_BACKEND",
+ ]
+
+ debug = {
+ name = "stm32f429i_disc1_debug"
+ _toolchain_base = pw_target_toolchain_stm32f429i_disc1.debug
+ forward_variables_from(_toolchain_base, "*", _excluded_members)
+ defaults = {
+ forward_variables_from(_toolchain_base.defaults, "*", _excluded_defaults)
+ forward_variables_from(_device_toolchain_overrides, "*")
+ }
+ }
+
+ # Toolchain for tests only.
+ debug_tests = {
+ name = "stm32f429i_disc1_debug_tests"
+ _toolchain_base = pw_target_toolchain_stm32f429i_disc1.debug
+ forward_variables_from(_toolchain_base, "*", _excluded_members)
+ defaults = {
+ forward_variables_from(_toolchain_base.defaults, "*", _excluded_defaults)
+ forward_variables_from(_device_toolchain_overrides, "*")
+
+ # Force tests to use basic log backend to avoid generating and loading its
+ # own tokenized database.
+ pw_log_BACKEND = "$dir_pw_log_basic"
+ }
+ }
+}
+
+toolchains_list = [
+ target_toolchain_stm32f429i_disc1.debug,
+ target_toolchain_stm32f429i_disc1.debug_tests,
+]
diff --git a/workshop/01-blinky/BUILD.gn b/workshop/01-blinky/BUILD.gn
index f157c1e..3a691f5 100644
--- a/workshop/01-blinky/BUILD.gn
+++ b/workshop/01-blinky/BUILD.gn
@@ -1,18 +1,14 @@
-# Comment this import to prevent it from being reordered.
import("//build_overrides/pigweed.gni")
-import("$dir_pw_arduino_build/arduino.gni")
import("$dir_pw_build/target_types.gni")
import("$dir_pw_tokenizer/database.gni")
pw_executable("blinky") {
sources = [ "main.cc" ]
- deps = [ "$dir_pw_log" ]
-
- if (dir_pw_third_party_arduino != "") {
- remove_configs = [ "$dir_pw_build:strict_warnings" ]
- deps += [ "$dir_pw_third_party_arduino:arduino_core_sources" ]
- }
+ deps = [
+ "//source/pw_board_led",
+ dir_pw_log,
+ ]
}
# This doesn't work for arduino, token database must be manually created:
@@ -21,9 +17,5 @@
# out/arduino_debug/obj/workshop/01-blinky/blinky.main.cc.o
pw_tokenizer_database("tokenizer_database") {
database = "//workshop/01-blinky/tokenizer_database.csv"
- targets = []
-
- if (dir_pw_third_party_arduino != "") {
- targets += [ ":blinky" ]
- }
+ targets = [ ":blinky" ]
}
diff --git a/workshop/01-blinky/main.cc b/workshop/01-blinky/main.cc
index 5ddec39..63a68b1 100644
--- a/workshop/01-blinky/main.cc
+++ b/workshop/01-blinky/main.cc
@@ -1,18 +1,28 @@
-#include <Arduino.h>
-
+#include "pw_board_led/led.h"
#include "pw_log/log.h"
-int main() {
- constexpr int kLedPin = 13;
- pinMode(kLedPin, OUTPUT);
+namespace {
+// This is a bad spin delay. It's not accurate, and doesn't correspond with any
+// real time unit. pw_chrono is coming soon, and will make it easier to do this
+// correctly!
+void Delay(size_t ticks) {
+ for (volatile size_t i = 0; i < ticks; i++) {
+ // Do nothing.
+ }
+}
+
+} // namespace
+
+int main() {
+ pw::board_led::Init();
while (true) {
PW_LOG_INFO("Blink High!");
- digitalWrite(kLedPin, HIGH);
- delay(1000);
+ pw::board_led::TurnOn();
+ Delay(1000000);
PW_LOG_INFO("Blink Low!");
- digitalWrite(kLedPin, LOW);
- delay(1000);
+ pw::board_led::TurnOff();
+ Delay(1000000);
}
return 0;
