main.c

S3C44B0X全套培训资料及源代码 e008s3c44b0x

asasa#include"..\ucos-ii\includes.h"               /* uC/OS interface */
#include "..\ucos-ii\add\osaddition.h"
#include "..\inc\drv.h"
#include <string.h>

///******************任务定义***************///

OS_STK Main_Stack[STACKSIZE*8]={0, };   //Main_Test_Task堆栈
void Main_Task(void *Id);             //Main_Test_Task
#define Main_Task_Prio     12

OS_STK Led_Flash_Stack[STACKSIZE]= {0, }; //LED闪烁任务堆栈
void Led_Flash_Task(void *Id);            //LED闪烁任务
#define Led_Flash_Prio           60

OS_STK Uart_Scan_Stack1[STACKSIZE]= {0, }; //Uart_Scan_Task1堆栈
void Uart_Scan_Task1(void *Id);            //串行口扫描任务
#define  Uart_Scan_Task1_Prio       10

/**************已经定义的OS任务*************
#define Touch_Screen_Task_Prio		9
#define Main_Task_Prio     12
#define Key_Scan_Task_Prio      58
#define Lcd_Fresh_prio           59
#define Led_Flash_Prio           60

***************************************/////////



///*****************事件定义*****************///

OS_EVENT *Nand_Rw_Sem;                   //Nand_Flash读写控制权旗语
//and you can use it as folloeing:
//    Nand_Rw_Sem=OSSemCreate(1);        //创建Nand-Flash读写控制权旗语,初值为1满足互斥条件//
//    OSSemPend(Nand_Rw_Sem,0,&err);
//    OSSemPost(Nand_Rw_Sem);

OS_EVENT *Uart_Rw_Sem;                   //Uart读写控制权旗语
//and you can use it as folloeing:
//    Uart_Rw_Sem=OSSemCreate(1);        //创建Uart读写控制权旗语,初值为1满足互斥条件//
//    OSSemPend(Uart_Rw_Sem,0,&err);
//    OSSemPost(Uart_Rw_Sem);


//////////////////////////////////////////////////////////

void Led_Flash_Task(void *Id)//指示RTOS处于正常工作中
{
  unsigned char led_state;
  Uart_Printf(0,"\n10");
  for (;;)
  {
    Led_Display(led_state);
    led_state=~led_state;
    OSTimeDly(250);
  }
}//Led_Flash_Task

void Uart_Scan_Task1(void *Id)
{
	char c1;
	POSMSG pmsg1;
	for (;;){
				if(Uart_Getch(&c1,0,1))
				{
					pmsg1=OSCreateMessage(NULL,OSM_SERIAL,0,c1);
					if(pmsg1)
						SendMessage(pmsg1);
				}
		}
	
}//Uart_Scan_Task

void initOSGUI()	//初始化操作系统的图形界面
{
	initOSMessage();
	initOSList();
	initOSDC();
	initOSCtrl();
	initOSFile();
}
/////////////////////////////////////////////////////
//                  Main function.                //
////////////////////////////////////////////////////

int Main(int argc, char **argv)
{

	ARMTargetInit();        // do target (uHAL based ARM system) initialisation //

	OSInit();               // needed by uC/OS-II //
	uHALr_ResetMMU();

	LCD_Init();             //初始化LCD模块
	LCD_printf("LCD initialization is OK\n");
	LCD_printf("320 x 240  Text Mode\n");

	LoadFont();
	LoadConfigSys();
	
  // create the tasks in uC/OS and assign increasing //
  // priorities to them so that Task3 at the end of  //
  // the pipeline has the highest priority.          //
	LCD_printf("Create task on uCOS-II...\n");
	OSTaskCreate(Main_Task,  (void *)0,  (OS_STK *)&Main_Stack[STACKSIZE*8-1],  Main_Task_Prio);// 1
	OSTaskCreate(Led_Flash_Task,  (void *)0,  (OS_STK *)&Led_Flash_Stack[STACKSIZE-1],  Led_Flash_Prio  );// 10
	OSTaskCreate(Uart_Scan_Task1,  (void *)0,  (OS_STK *)&Uart_Scan_Stack1[STACKSIZE-1],  Uart_Scan_Task1_Prio  );// 11 

	OSAddTask_Init();
  
	LCD_printf("Starting uCOS-II...\n");
	//LCD_printf("Entering graph mode...\n");
	//LCD_ChangeMode(DspGraMode);

	initOSGUI();
	InitRtc();
	
	Nand_Rw_Sem=OSSemCreate(1);   //创建Nand-Flash读写控制权旗语,初值为1满足互斥条件//

	
	ARMTargetStart();       //Start the (uHAL based ARM system) system running //

	OSStart();              // start the game //

	// never reached //
	return 0;
}//main



//////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void onSerial(int portn,char c);
void Main_Task(void *Id)             //Main_Test_Task
{
	POSMSG pMsg=0;

	ClearScreen();

	//消息循环
	for(;;){
		pMsg=WaitMessage(0); //等待消息
		switch(pMsg->Message){
		case OSM_KEY:
			onKey(pMsg->WParam,pMsg->LParam);
			break;
		case OSM_SERIAL:
			onSerial(pMsg->WParam,pMsg->LParam);
			break;
		}
		DeleteMessage(pMsg);//删除消息,释放资源
	}
}
void onSerial(int portn, char c)
{
	LCD_ChangeMode(DspTxtMode);
	LCD_printf("%c\n",c);
	Uart_SendByte(0,c);
}