44btest.c

优龙科技公司的FS44B0 BOX test源码。

#include "def.h"
#include "44b.h"
#include "utils.h"


#define	BAUD_RATE	115200

volatile char which_int_key = 0 ;
void __irq Key_Interrupt(void)
{	
    which_int_key = rEXTINTPND ;
    rEXTINTPND = 0xf ;		//clear EXTINTPND reg.		
    rI_ISPC = BIT_EINT4567 ;		//clear pending_bit

    rPCONG = rPCONG & (~(0x3f<<10));		//GPC567 is input

    switch(which_int_key)
   {
        	case 1:
        	    printf("\nEINT4 had been occured...\n");
				LedSet(0x2);
        	    which_int_key=0;
        	    break;
        	case 2:
        	    printf("\nEINT5 had been occured...\n");
				LedSet(0x4);
        	    which_int_key=0;
        	    break;
        	case 4:
        	    printf("\nEINT6 had been occured...\n");
				LedSet(0x8);
        	    which_int_key=0;
        	    break;
        	case 8:
        	    printf("\nEINT7 had been occured...\n");
				LedSet(0x1);
        	    which_int_key=0;
        	    break;
        	default :
        	    break;
    }
 
 	while( (rPDATG&0x00e0) != 0x00e0  ) ;
 	Delay( 50 ) ;		//
    rPCONG = rPCONG | ( 0x3f<<10 );		//EINT7~5
}

void HaltUndef(void)
{
    printf("Undefined instruction exception!!!\n");
    while(1)
    {
    	LedSet( 0x00 )	;		//
    	Delay(500) ;		//
    	LedSet( 0x0f )	;		//
    	Delay(500) ;		//
    }
}

void HaltSwi(void)
{
    printf("SWI exception!!!\n");
    while(1)
    {
    	LedSet( 0x00 )	;		//
    	Delay(500) ;		//
    	LedSet( 0x0f )	;		//
    	Delay(500) ;		//
    }
}

void HaltPabort(void)
{
    printf("Pabort exception!!!\n");
    while(1)
    {
    	LedSet( 0x00 )	;		//
    	Delay(500) ;		//
    	LedSet( 0x0f )	;		//
    	Delay(500) ;		//
    }
}

void HaltDabort(void)
{
    printf("Dabort exception!!!\n");
    while(1)
    {
    	LedSet( 0x00 )	;		//
    	Delay(500) ;		//
    	LedSet( 0x0f )	;		//
    	Delay(500) ;		//
    }
}

void Isr_Init(void)
{
    pISR_UNDEF=(unsigned)HaltUndef;
    pISR_SWI  =(unsigned)HaltSwi;
    pISR_PABORT=(unsigned)HaltPabort;
    pISR_DABORT=(unsigned)HaltDabort;

    rINTMSK = BIT_GLOBAL;	  // All interrupt is masked.

	rINTCON = 0x5 ;		//无向量中断模式
	rINTMOD = 0x0 ;		//All=IRQ mode
}

void Eint567_Test( void )
{
	printf( "\nInterrupt Test!\n" );
	
    printf("\n\n注意由于本项测试使用了中断，所以必须将本项目的目标代码烧写入Flash的0地址\n");
    printf("这样Flash中才有中断向量，不过只需要烧入一次就行了，以后JTAG调试或网口下载运行本程序就没有问题了\n");
    printf("可以使用netload或者是comload下载本目标代码到SDRAM，然后用Prog 0烧写代码到Flash(不覆盖0地址跳转指令)\n\n");

    pISR_EINT4567 = (unsigned)Key_Interrupt ;

	rINTCON = 0x5 ;		//无向量中断模式
	rINTMOD = 0x0 ;		//All=IRQ mode

    rPCONG = rPCONG | ( 0x3f<<10 );		//EINT7~5
    rPUPG = rPUPG & (~(7<<5)) ;		//pull up resister is enable
//	rEXTINT = rEXTINT & (~(0xfff<<20)) ;		//EINT567低电平触发中断
	
    pISR_EINT4567 = (unsigned)Key_Interrupt ;
    rINTMSK = ~( BIT_GLOBAL | BIT_EINT4567 ) ;		//start INT

	printf( "\nPlease press the button key1,key2,key3,key4!   Press ESC to Exit!\n" );
	
    while( !( kbhit && (getkey()==ESC_KEY) ) ) 
    {
		LedSet(0x05);		//LED点亮/熄灭状态设置
		Delay(160);
		LedSet(0x0a);		//LED点亮/熄灭状态设置
		Delay(160);
    }

    rINTMSK = BIT_GLOBAL ;	//disable INT
}

void LedDisp(void)
{
	LedSet(0x08);		//LED点亮/熄灭状态设置
	Delay(150);
	LedSet(0x04);		//LED点亮/熄灭状态设置
	Delay(150);
	LedSet(0x02);		//LED点亮/熄灭状态设置
	Delay(150);
	LedSet(0x01);		//LED点亮/熄灭状态设置
	Delay(150);
	LedSet(0x02);		//LED点亮/熄灭状态设置
	Delay(150);
	LedSet(0x04);		//LED点亮/熄灭状态设置
	Delay(150);
	LedSet(0x08);		//LED点亮/熄灭状态设置
	Delay(150);
	LedSet(0x00);		//LED点亮/熄灭状态设置
}

TIME_STRUC SysTime;
char *WeekDay[7] = {"MON", "TUES", "WED", "THURS","FRI", "SAT", "SUN"};

void Main(void)
{
	SystemClockInit();
	
	TimerInit(1000);
	
	MemCfgInit();
	
	PortInit();
	
	Isr_Init();
	
	
		
	CacheDisable();
	CacheFlush();
	CacheEnable();

	SerialSwitch(0);
	SerialChgBaud(BAUD_RATE);
	
	ShowBootInfo();
	

	printf("Build  date : %s--%s\n", __DATE__, __TIME__);
	printf("Serial baud : %d\n", BAUD_RATE);
	printf("CPU clock is %dHz, Master clock is %dHz\n", GetCpuClock(), GetMasterClock());
	
	RtcGetTime(&SysTime);
	printf("Current date is %x-%x-%x [%s]\n", SysTime.year, SysTime.month, SysTime.day, WeekDay[(SysTime.weekday-1U)%7U]);
	printf("Current time is %2x:%2x:%2x\n", SysTime.hour, SysTime.min, SysTime.sec);
	
	while(1)
	{
		U16 i, sel;		
		
		putch('\n');
	
		for(i=0; cmd_menu[i].test_func; i++)
		{
			printf("%d : %s\n", i, cmd_menu[i].string);
		}
		
		while(!kbhit())
			LedSet(GetKeyStatus());
		
		sel = Uart_GetIntNum_GJ() ;
		
		printf( "\n\t you select is %d\n\n", sel );
		
		if(sel<i)
			(*cmd_menu[sel].test_func)();
	}
}

#define	DFT_DOWNLOAD_ADDR	0x0c400000

U32 download_addr, download_len;

//中断入口内容不可确定,不要用中断
void LoadFromUart(void)
{
	int i, size;
	unsigned short dnCS, CheckSum;
	unsigned char *buf;
	unsigned char RxTmp[8];
	void (*fun)(void);
	
	download_addr = DFT_DOWNLOAD_ADDR;
	
	buf = (unsigned char *)download_addr;
	
	printf("Now download file from uart0 to 0x%x...\n", download_addr);
	
	i = 0;
	while(i<4)
		RxTmp[i++] = getch();
    
    i = 0;
    size = *(unsigned long *)RxTmp - 4;
	while(i<size)
		buf[i++] = getch();
	
	download_len = size-2;	
	
	dnCS = (buf[size-1]<<8)|buf[size-2];
	CheckSum = 0;
	for(size -= 3; size>=0; size--)
		CheckSum += buf[size];
	if(dnCS!=CheckSum) {
//		printf("get CS=0x%08x, cal CS=0x%08x\n", dnCS, CheckSum);
		puts("\nCheckSum error!\n");
		download_len = 0;
	} else {
		printf("\nReceived %x bytes success\n", download_len);
		puts("Do you want to run it?");
		if(getyorn()) {
			fun = (void (*)(void))download_addr;		
			CacheDisable();
			CacheFlush();
			(*fun)();
		}
	}
	
	return;
}