static_library("led") {

sources = [ "led.c" ]

include_dirs = [

"http://utils/native/lite/include",

"http://kernel/liteos_m/kal",

"http://base/iot_hardware/inteRFaces/kits/wifiiot_lite",

}

#include

#include

#include "ohos_init.h"

#include "cmsis_os2.h"

#include "wifiiot_gpio.h"

#include "wifiiot_gpio_ex.h"

// LED燈任務處理，在此函數內循環點亮和熄滅LED燈

static void *LedTask(const char *arg)

{

(void)arg;

while (1) {

GpioSetOutputVal(WIFI_IOT_IO_NAME_GPIO_9, 0); // LED_ON

usleep(300*1000);

GpioSetOutputVal(WIFI_IOT_IO_NAME_GPIO_9, 1); // LED_OFF

usleep(300*1000);

}

return NULL;

}

static void Demo_Led(void)

{

osThreadAttr_t attr;

// 初始化LED，連接的是GPIO9

GpioInit();

IoSetFunc(WIFI_IOT_IO_NAME_GPIO_9, WIFI_IOT_IO_FUNC_GPIO_9_GPIO);

GpioSetDir(WIFI_IOT_IO_NAME_GPIO_9, WIFI_IOT_GPIO_DIR_OUT);

attr.name = "LedTask";

attr.attr_bits = 0U;

attr.cb_mem = NULL;

attr.cb_size = 0U;

attr.stack_mem = NULL;

attr.stack_size = 512U;

attr.priority = osPriorityNormal; // 任務優先級為常規級別

// 新建LED任務

if (osThreadNew((osThreadFunc_t)LedTask, NULL, &attr) == NULL) {

printf("[Demo Led] create LedTask Failed!rn");

}

}

SYS_RUN(Demo_Led);`

import("http://build/lite/config/component/lite_component.gni")

lite_component("app") {

features = [

"led:led",

}