/* ARM board targetting source file.
   file name: uhal.c
   date: 2001. 2. 14
   made by cho dong-seok
   homepage: www.pusanssm.com/~cthr36/
*/

#include <stdarg.h>
#include <string.h>
#include "uhal.h"
#include "../Target/44b.h"



//MCLK= 50000000
//50000000hz/256/32= 6103.51hz
#define	_TICK	1000				//  1/1000 sec
//#define _TICK	100					//  1/100 sec
//#define _TICK	10					//  1/10 sec
#define _CLOCK	(66000/(_TICK/10))
//#define _CLOCK	61035			// 1 sec


#define MAX_TBUF	10000
static char tbuf[MAX_TBUF]= {0, };


int delayLoopCount= 400;
int whichUart= 0;




//Output through LCD or serial port to print information.
int uHALr_printf(const char *format, ...)
{
	va_list v_list;
	char *ptr;
	int i= 0;


	va_start(v_list, format);     // Initialize variable arguments. 
	vsprintf(tbuf, format, v_list ); 
	va_end(v_list);


	ptr= tbuf;
	while( (*ptr) && i<MAX_TBUF) {
		Uart_SendByte(*ptr);
		ptr++;	i++;
	}//while

	return 1;
}//uHALr_printf


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

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



/*** Called by ARMTargetInit() ***/
//Reset memory management unit.
void uHALr_ResetMMU(void)
{
}//uHALrResetMMU




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



//Define pre & post-process routines for Interrupt.
void uHALir_DefineIRQ(void *is, void *iq, void *n)
{
}//uHALir_DefineIRQ


//Initialze interrupts.
void uHALr_InitInterrupts(void)
{
	// Non-vectored,IRQ disable,FIQ disable    
    rINTCON=0x0;	  

	// All=IRQ mode
    rINTMOD=0x0;	  

	// All interrupt is masked.
    rINTMSK=BIT_GLOBAL;	  
}//uHALr_InitInterrupts


//Initialize timer that is used OS.
void uHALr_InitTimers(void)
{
	rTCFG0=0x00000004;		// prescaler0 = 4
	rTCFG1=0x00000003;		// mux0 = 1/16

	rTCNTB0= 1000;//_CLOCK;
	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)
{
	uHALr_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)
{
	uHALr_printf("!!!Enter SWI. %d\r\n", I_COUNT);	


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

}

void DebugABORT(void)
{
	uHALr_printf("!!!Enter ABORT %d\r\n", I_COUNT);	


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

}

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


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

}

 
extern void __Tick(void);

/*** Called by ARMTargetStart() ***/
//Request the system timer.
//return value 1:success   0:fail
int uHALr_RequestSystemTimer(void *tick, const unsigned char *str)
{
	pISR_TIMER0= (unsigned)__Tick;//put the pointer to __Tick at the interrupt vector for timer0

	pISR_UNDEF= (unsigned) DebugUNDEF;
	pISR_SWI= (unsigned) DebugSWI;
	pISR_PABORT= (unsigned) DebugABORT;
	pISR_DABORT= (unsigned) DebugABORT;
//	pISR_RESERVED
//	pISR_IRQ= (unsigned) 0;
	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_EINT4567= (unsigned) BreakPoint;
	pISR_WDT= (unsigned) BreakPoint;
	pISR_TIMER3= (unsigned) BreakPoint;
	pISR_TIMER2= (unsigned) BreakPoint;
	pISR_TIMER1= (unsigned) BreakPoint;
//	pISR_TIMER0= (unsigned) BreakPoint;
	pISR_UERR01= (unsigned) BreakPoint;
	pISR_BDMA1= (unsigned) BreakPoint;
	pISR_BDMA0= (unsigned) BreakPoint;
	pISR_ZDMA1= (unsigned) BreakPoint;
	pISR_ZDMA0= (unsigned) BreakPoint;
	pISR_EINT3= (unsigned) BreakPoint;
	pISR_EINT2= (unsigned) BreakPoint;
	pISR_EINT1= (unsigned) BreakPoint;
	pISR_EINT0= (unsigned) BreakPoint;

	return 1;
}//uHALr_RequestSystemTimer


//Start system timer & enable the interrupt.
void uHALr_InstallSystemTimer(void)
{
	//Non-vectored,IRQ enable,FIQ disable 
    rINTCON=0x5;

	//Non maksed TIMER0 .
	rINTMSK=~(BIT_TIMER0 | BIT_GLOBAL);	//Default value=0x7ffffff
}//uHALr_InstallSystemTimer