QCA4020新手上路（五）

HelloWorld_Thread：线程函数

Initialize_Demo：初始化函数

App_Start：主体函数

  /**PAL_OUTPUT_END_OF_LINE_STRING

   @brief This function is used to pre initialize resource

          required before starting the demo this is called

           from app_init function in pal.c

*/

void Initialize_Demo(void)

{

   PAL_CONSOLE_WRITE_STRING_LITERAL("Hello World demo - Welcome to QCA IoE rn");

   PAL_CONSOLE_WRITE_STRING_LITERAL(PAL_OUTPUT_END_OF_LINE_STRING);

}

/**

   @brief This function is used to start the demo thread this

          is called from app_init function in pal.c

*/

void App_Start(qbool_t ColdBoot)

{

   qurt_thread_attr_t Thread_Attribte;

   qurt_thread_t      Thread_Handle;

   int                Result;

   /* Start the main demo app. */

   qurt_thread_attr_init(&Thread_Attribte);    //初始化线程属性

   qurt_thread_attr_set_name(&Thread_Attribte, "HelloThread");    //设置线程的名称

   qurt_thread_attr_set_priority(&Thread_Attribte, THREAD_PRIORITY);  //设置线程的优先级

   qurt_thread_attr_set_stack_size(&Thread_Attribte, THREAD_STACK_SIZE);   //设置线程的堆栈大小

   Result = qurt_thread_create(&Thread_Handle, &Thread_Attribte, HelloWorld_Thread, NULL);  //创建线程

   if(Result != QURT_EOK)

   {

      PAL_CONSOLE_WRITE_STRING_LITERAL("Failed to start Hello World Main thread.");

      PAL_CONSOLE_WRITE_STRING_LITERAL(PAL_OUTPUT_END_OF_LINE_STRING);

      PAL_CONSOLE_WRITE_STRING_LITERAL(PAL_OUTPUT_END_OF_LINE_STRING);

   }

}

/**

   @brief This function represents the main thread of execution.

*/

static void HelloWorld_Thread(void *Param)

{

   /* Say Hello World */

   while(true)

   {

      PAL_CONSOLE_WRITE_STRING_LITERAL("Hello Worldrn");

      PAL_CONSOLE_WRITE_STRING_LITERAL(PAL_OUTPUT_END_OF_LINE_STRING);

      Sleep(1000); //sleep for 1 sec

   }

}