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blink_led.cc
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blink_led.cc
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// Copyright 2022 Google LLC
//
// 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
//
// http://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 <cstdio>
#include "libs/base/led.h"
#include "third_party/freertos_kernel/include/FreeRTOS.h"
#include "third_party/freertos_kernel/include/task.h"
// Blinks the green User LED.
// As a best practice, the Status LED also turns on to indicate board power.
//
// To build and flash from coralmicro root:
// bash build.sh
// python3 scripts/flashtool.py -e blink_led
namespace coralmicro {
namespace {
// [start-sphinx-snippet:blink-led]
[[noreturn]] void Main() {
printf("Blink LED Example!\r\n");
// Turn on Status LED to show the board is on.
LedSet(Led::kStatus, true);
bool on = true;
while (true) {
on = !on;
LedSet(Led::kUser, on);
vTaskDelay(pdMS_TO_TICKS(500));
}
}
// [end-sphinx-snippet:blink-led]
} // namespace
} // namespace coralmicro
extern "C" void app_main(void *param) {
(void)param;
coralmicro::Main();
}