main.c

ads1.2的一个工程

#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 LCD_Show_Stack[STACKSIZE]={0, };   //LCD_Show_Task堆栈
void LCD_Show_Task(void *Id);            //LED转换任务
#define LCD_Show_Prio           11

/**************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);


//////////////////////////////////////////////////////////
U8 ShowNext=1;

extern LCDBuffer[LCDHEIGHT][LCDWIDTH];



//显示LCD的16级灰度
void LCD_Show16Level(int bk)
{
	int i,j,k,l;
	U32 jcolor;

	for(i=0;i<240;i++){
		jcolor = 0;
		k = bk;
			for(j=0;j<320;j++){//先设置第i行的j 个象素点宾颜色
			if(!(j%7)) {	//每五个象素宽度颜色改变一次
				k--;	
				jcolor=0x00000000|(k<<4)|(k<<8)|(k<<12)|(k<<16)|(k<<20)|(k<<24)|(k<<32)|k;
				}
			LCDBuffer[i][j]=jcolor;//设置相应的缓存
			
			if(k <= 0x0) k=0xf;	//16级灰度反复出现
			}
	}
	LCD_Refresh();
}


void LCD_ShowMove()
{
	int j,i=0xf;
	for(j=0;j<0xf;j++) {
		if(i<0) i=0xf;
		LCD_Show16Level(i);
		i--;
		}
	
}




void LCD_Show_Task(void *Id)
{
	LCD_Init();			//LCD初始化
	LCD_ChangeMode(DspGraMode);
	while(1)
	{
		OSTimeDly(1000);	//操作系统延时,使低俦优先级任务有机会执行
		if(ShowNext)
		{
			LCD_Show16Level(0xf);		//显示16级灰度
		}
		else LCD_ShowMove();			//灰阶图形开始向右移动
	}
}


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");

	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(LCD_Show_Task,  (void *)0,  (OS_STK *)&LCD_Show_Stack[STACKSIZE-1],  LCD_Show_Prio );// 10

	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 onKey(int nkey, int fnkey);



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;
		}
		DeleteMessage(pMsg);//删除消息,释放资源
	}
	
}

void onKey(int nkey, int fnkey)
{
		if(ShowNext==TRUE)
			ShowNext=FALSE;
			else ShowNext=TRUE;
}