uhal.c

来自「三星2410的一些DEMO小例程」· C语言 代码 · 共 286 行

/* ARM board targetting source file.
   file name: uhal.c
   date: 2005.11
   used for s3c2410
*/

#include <stdarg.h>
#include <string.h>
#include <stdio.h>


#include "2410addr.h"
#include "2410lib.h"
#include "uhal.h"
#include "Def.h"
//changed by zhl, I put the cs8900if_service as a task here
//#include "netif/cs8900if.h"
#include "includes.h"

extern void OSISR(void);
extern void ARMDisableInt(void);
extern void FISR(void);

__irq void do_firq(void)
{
		Uart_Printf("!!!Enter FIRQ.");
}	

void BreakPoint(void)
{
	Uart_Printf("!!!Enter break point.");	

//	while(1) {
	//	Led_Display(0xf);
	//	Delay(1000);
	//	Led_Display(0x0);
	//	Delay(1000);
	//}//while
}//BreakPoint

void OutDebug(unsigned int num)
{
	Uart_Printf("\r\n***STACK***:%d\r\n", num);
}//OutDebug

//Initialze interrupts.
void uHALr_InitInterrupts(void)
{
	
	rINTMOD     = 0x0;                     //All=IRQ mode
        rINTMSK     = BIT_ALLMSK;              //All interrupt is masked.
       // rINTSUBMSK  = BIT_SUB_ALLMSK;          //All sub-interrupt is masked. <- April 01, 2002 SOP
}//uHALr_InitInterrupts


//Initialize timer that is used OS.
void uHALr_InitTimers(void)
{
	rTCFG0= 0x00000000;              	// prescaler0 = 0
	rTCFG1= 0x00000000;              	// mux0 = 1/2   
//timetick is 1000,	FCLK=200MHZ   
	rTCNTB0= PCLK/OS_TICKS_PER_SEC/2; //tick=1000;
	rTCMPB0= 0x0;
	rTCON=0x2;		//update mode for TCNTB0 and TCMPB0.
	rTCON=0x9;		//timer0 = auto reload, start	
}//uHALr_InitTimers

int I_COUNT=0;

void DebugUNDEF(void)
{
	Uart_Printf("!!!Enter UNDEFINED. %d\r\n", I_COUNT);	


	//	while(1) {
	//	Led_Display(0xf);
	//	Delay(1000);
	//	Led_Display(0x0);
	//	Delay(1000);
	//}//while
}//BreakPoint


void DebugSWI(void)
{
	Uart_Printf("!!!Enter SWI. %d\r\n", I_COUNT);	


	//	while(1) {
	//	Led_Display(0xf);
	//	Delay(1000);
	//	Led_Display(0x0);
	//	Delay(1000);
	//}//while

}

void DebugABORT(void)
{
	Uart_Printf("!!!Enter ABORT 0\r\n");	


	//	while(1) {
	//	Led_Display(0xf);
	//	Delay(1000);
	//	Led_Display(0x0);
	//	Delay(1000);
	//}//while

}

void DebugABORT1(void)
{
	Uart_Printf("!!!Enter ABORT 1\r\n");	


	//	while(1) {
	//	Led_Display(0xf);
	//	Delay(1000);
	//	Led_Display(0x0);
	//	Delay(1000);
	//}//while

}

__irq void DebugFIQ(void)
{
	Uart_Printf("!!!Enter FIQ. %d\r\n", I_COUNT);	


	//	while(1) {
	//	Led_Display(0xf);
	//	Delay(1000);
	//	Led_Display(0x0);
	//	Delay(1000);
	//}//while

}

U32 show=1;

void do_irq(void)
{
	
	U32 irqWhich=0;///,m=0;
	
	irqWhich = rINTPND ;
	//Uart_Printf("%x",rINTPND);	
	switch (irqWhich)
	{
		case BIT_TIMER0	:		
		rSRCPND &= BIT_TIMER0;
    rINTPND |= BIT_TIMER0;
    OSTimeTick();
			break;
/*			
		case	BIT_EINT8_23:
			//Uart_Printf("%x",rEINTPEND);
			m=	rEINTPEND;	
		switch(m)
	{	
		case 0x200 :			
				//Uart_Printf("%x",rEINTPEND);
				cs8900_interrupt();
				rSRCPND &= BIT_EINT8_23;
    		rINTPND |= BIT_EINT8_23;
    	show=rINTPND;
    		rEINTPEND|=(1<<9);
  			//Uart_Printf("\nInt9 is good\n");
  		break;
  		default:break;	
  }		
  		
			break;
	*/		
		default:break;		
	}
}

//we make cs8900if_service as a ucos task
/*
void cs8900if_service_task(void)
{
cs8900if_service(cs8900if_netif);
}
*/


/*** Called by ARMTargetStart() ***/
void uHALr_InstallIrqHandler(void)
{
	pISR_TIMER0    = (unsigned) UCOS_IRQHandler;

	pISR_UNDEF     = (unsigned) DebugUNDEF;
	pISR_SWI       = (unsigned) DebugSWI;
	pISR_PABORT    = (unsigned) DebugABORT;
	pISR_DABORT    = (unsigned) DebugABORT1;
//	pISR_RESERVED
//	pISR_IRQ       = (unsigned) 0;
   pISR_FIQ       = (unsigned) BreakPoint;

 pISR_EINT0     = (unsigned) BreakPoint;
 pISR_EINT1     = (unsigned) BreakPoint;
 pISR_EINT2     = (unsigned) BreakPoint;
 pISR_EINT3     = (unsigned) BreakPoint;
 pISR_EINT4_7   = (unsigned) BreakPoint;
 pISR_EINT8_23  = (unsigned) UCOS_IRQHandler;
 pISR_NOTUSED6  = (unsigned) BreakPoint;
 pISR_BAT_FLT   = (unsigned) BreakPoint;
 pISR_TICK      = (unsigned) BreakPoint;
 pISR_WDT       = (unsigned) BreakPoint;
// pISR_TIMER0    = (unsigned) BreakPoint;
 pISR_TIMER1    = (unsigned) BreakPoint;
 pISR_TIMER2    = (unsigned) BreakPoint;
 pISR_TIMER3   = (unsigned) BreakPoint;
 pISR_TIMER4    = (unsigned) BreakPoint;
 pISR_UART2     = (unsigned) BreakPoint;
 pISR_LCD       = (unsigned) BreakPoint;
 pISR_DMA0      = (unsigned) BreakPoint;
 pISR_DMA1      = (unsigned) BreakPoint;
 pISR_DMA2      = (unsigned) BreakPoint;
 pISR_DMA3      = (unsigned) BreakPoint;
 pISR_SDI       = (unsigned) BreakPoint;
 pISR_SPI0      = (unsigned) BreakPoint;
 pISR_UART1     = (unsigned) BreakPoint;
 pISR_NOTUSED24 = (unsigned) BreakPoint;
 pISR_USBD      = (unsigned) BreakPoint;
 pISR_USBH      = (unsigned) BreakPoint;
 pISR_IIC       = (unsigned) BreakPoint;
 pISR_UART0     = (unsigned) BreakPoint;
 pISR_SPI1      = (unsigned) BreakPoint;
 pISR_RTC       = (unsigned) BreakPoint;
 pISR_ADC       = (unsigned) BreakPoint;

}

//Start system timer & enable the interrupt.
void uHALr_EnableTimer(void)
{
	//Non-vectored,IRQ enable,FIQ enable 
       
        //rINTMOD=6  //EINT1 & EINT2 configured for firq
       rINTPND=0x00000000;
	
	//rINTMSK=~(BIT_GLOBAL | BIT_EINT1 | BIT_EINT2);	//Default value=0x7ffffff
	//Non maksed TIMER0 .
	rINTMSK&=(~(BIT_TIMER0 ));	//Default value=0x7ffffff
	
}//uHALr_EnableTimer


#define BUILD_DATE "Date: " __DATE__ "\n"

/*
 * Initialize an ARM Target board
 */
void  ARMTargetInit(void)
{
    /* ---- Tell the world who we are ---------------------------------- */
    Uart_Printf("\nSAMSUNG board\n");
    Uart_Printf(uHAL_VERSION_STRING); 
    Uart_Printf("\n");
    Uart_Printf(uHAL_AUTHOR_STRING);
    Uart_Printf("\n");
    Uart_Printf(BUILD_DATE);
    Uart_Printf("\n"); 

    /* ---- disable interrupts (IRQs) --------------------------------- */
      
    uHALr_InitInterrupts();

    uHALr_InitTimers();
}                               /* targetInit */


/* start the ARM target running */
void ARMTargetStart(void)
{
    /* request the system timer */
    uHALr_InstallIrqHandler();        

    /* Start system timer & enable the interrupt. */
    uHALr_EnableTimer();
   // Uart_Printf("lab12!!!!!!!");
}