target.c

USB通信测试软件 -- 与S3C44B0的下位机通信的软件. XP驱动------------ PDIUSBD12的PC机驱动程序.USB_Test---------S3C44B0X板的USB固件程

/*
;************************************************************************************************************
;*									 	江西师范大学理电学院创新中心
;*											 
;*                                             创新研发小组
;*--------------------------------------------- 文件信息 -----------------------------------------------------                                      
;*--------------------------------------------- 文件信息 ----------------------------------------------------                                      
;*
;* 文件名称 : target.c	
;* 文件功能 : 该文件为S3C44B0硬件平台配置具体函数的初始化。
;* 补充说明 : 
;*-------------------------------------------- 最新版本信息 -------------------------------------------------
;* 修改作者 : zhouhong
;* 修改日期 : 2006/04/20
;* 版本声明 : V1.0.1
;*-------------------------------------------- 历史版本信息 -------------------------------------------------
;* 文件作者 : 
;* 创建日期 : 
;* 版本声明 : 
;*-----------------------------------------------------------------------------------------------------------
;*-----------------------------------------------------------------------------------------------------------
;************************************************************************************************************
;*/
#include "..\INC\target.h"
#include "..\INC\44blib.h"
#include "..\..\Uart_driver\inc\Uart_driver.h"
#include "..\..\Application\inc\sysConfig.h"

/*
*************************************************************************************************************
-  
- 程序段说明 : 以下函数为各异常模式服务子程序。设成死循环是为调试用，
-      一旦发生此类异常，程序便跳入异常模式服务        
-      子程序，终止程序运行。
*************************************************************************************************************
*/

void DebugUNDEF(void)  																				 //未定义
{
    Uart_Printf("the programm is Enter Undefed");
    while(1);
}

void DebugSWI(void)  																				 //软中断
{
    Uart_Printf("the programm is Enter SWI");
    while(1);
}

void BreakPoint(void)  																			  //预取指中止
{
    Uart_Printf("the programm is Enter break point.");
    
    #if SYS_DEBUG
   	Uart_Printf("\nINTMSK:Address=%x,Value=%x",&rINTMSK,rINTMSK);
   	Uart_Printf("\nClear before INTPND:Address=%x,Value=%x",&rINTPND,rINTPND);
   	rI_ISPC=rINTPND;
   	Uart_Printf("\nClear after INTPND:Address=%x,Value=%x",&rINTPND,rINTPND);  
   	#endif
   	 
    while(1);
}

void DebugABORT(void)  																			   //数据中止
{
    Uart_Printf("the programm is Enter abort");
    while(1);
}

void DebugFIQ(void)  																				 //快中断
{
    Uart_Printf("the programm is Enter FIQ");
    while(1);
}

/*
*************************************************************************************************************
-
-                                   程序段说明 : 以下函数均为初始化函数
-            
*************************************************************************************************************
*/

/*
*************************************************************************************************************
- 函数名称 : S3cint_Init(void)
- 函数说明 : S3C44B0 中断控制器的初始化
- 输入参数 : 无
- 输出参数 : 无
*************************************************************************************************************
*/
void S3cINT_Init(void)  
{ 
    //vectored,IRQ enable,FIQ disable 
    rINTCON=0x01;	  

	/* All=IRQ mode */
    rINTMOD=0x0;	  

	/* All interrupt is masked. */
    rINTMSK=0x7ffffff/*BIT_GLOBAL*/;	  

	rI_ISPC=0x1ffffff;							//清除所有中断标志位
	
	//异常中断set interrupt vector routine
	pISR_UNDEF		= (unsigned) DebugUNDEF;
	pISR_SWI		= (unsigned) DebugSWI;
	pISR_PABORT		= (unsigned) DebugABORT;
	pISR_DABORT		= (unsigned) DebugABORT;
	pISR_RESERVED	= (unsigned) BreakPoint;		//not used
	pISR_FIQ		= (unsigned) DebugFIQ;
	
	pISR_ADC		= (unsigned) BreakPoint;
	pISR_RTC		= (unsigned) BreakPoint;
	pISR_UTXD1		= (unsigned) BreakPoint;
	pISR_UTXD0		= (unsigned) BreakPoint;
	pISR_SIO		= (unsigned) BreakPoint;
	pISR_IIC		= (unsigned) BreakPoint;
	pISR_URXD1		= (unsigned) BreakPoint;
	pISR_URXD0		= (unsigned) BreakPoint;
	pISR_TIMER5		= (unsigned) BreakPoint;
	pISR_TIMER4		= (unsigned) BreakPoint;
	pISR_TIMER3		= (unsigned) BreakPoint;
	pISR_TIMER2		= (unsigned) BreakPoint;
	pISR_TIMER1		= (unsigned) BreakPoint;
	pISR_TIMER0		= (unsigned) BreakPoint;
	pISR_UERR01		= (unsigned) BreakPoint;
	pISR_WDT		= (unsigned) BreakPoint;
	pISR_BDMA1		= (unsigned) BreakPoint;
	pISR_BDMA0		= (unsigned) BreakPoint;
	pISR_ZDMA1		= (unsigned) BreakPoint;
	pISR_ZDMA0		= (unsigned) BreakPoint;
	pISR_TICK		= (unsigned) BreakPoint;
	pISR_EINT4567	= (unsigned) BreakPoint;
	pISR_EINT3		= (unsigned) BreakPoint;
	pISR_EINT2		= (unsigned) BreakPoint;
	pISR_EINT1		= (unsigned) BreakPoint;
	pISR_EINT0		= (unsigned) BreakPoint;
			
}

/*
*************************************************************************************************************
- 函数名称 : Cache_Init(void)
- 函数说明 : S3C44B0内部缓存的初始化程序
- 输入参数 : 无
- 输出参数 : 无
*************************************************************************************************************
*/														
void Cache_Init(void)
{
    rSYSCFG = SYSCFG_8KB;				//使用8K字节的指令缓存,write buffer disable		 
	rNCACHBE0 = 0xc0002000;		//定义非Cache区,从0x2000000到0xbffffff,中断时进入ROM,若不允许CACHE不正常???
}

/*
*************************************************************************************************************
- 函数名称 : TargetInit(void)
- 函数说明 : 目标板初始化程序,主函数中只需调用此函数，即可完成目标板的初始化
- 输入参数 : 无
- 输出参数 : 无
*************************************************************************************************************
*/
void Target_Init(void)
{
	Cache_Init();
	ChangePllValue(PLL_M,PLL_P,PLL_S);					//在44binit.s 中已经初始化
   	Port_Init();    	
    Uart_Init(0,115200,0);
    Uart_Init(0,115200,1);
    Uart_Select(0);
    
#if SYS_DEBUG
       Uart_Printf("\n硬件初始化...\n"); 
#endif
	
	S3cINT_Init();											//S3c44b0 中断初始化
	
#if SYS_DEBUG
       Uart_Printf("硬件初始化完成\n"); 
#endif

	OpenInterrupt(); 		                              //开中断，在此之前都是关中断状态，在44binit.s中定义
}

void ShowLed(unsigned char ledStatus)
{
	
	LEDPort &= ~(LED0_ON | LED1_ON | LED2_ON);	//LED全灭
	LEDPort |=((ledStatus&0x07)<<1);	
}
/*
*************************************************************************************************************
*-													结束文件                                               -*
*************************************************************************************************************
*/