spi01.org.c

三星s3c2460开发板完整功能测试代码

		printf("0x%02x,",*(rx0_ptr+i));
/*
	SetMPLL( 42, 1, 0); //200MHz
	Calc_Clock(0);
	Uart_Init(Pclk,115200);
*/
    SPI_Port_Return();	

}

void Test_Spi0_M_Tx_DMA1_Set(void)
{

    int i;
    tx0_ptr=(unsigned char *) DMA1_TxBUFFER0;
    for(i=0; i<spitx_count; i++)
		*(tx0_ptr+i)=i; 

    tx_dma1Done=0;
    
    pISR_DMA_SBUS= (unsigned)Dma1Tx_Int;
	rINTSUBMSK&=~(BIT_SUB_DMA1);
	rINTMSK&=~(BIT_DMA_SBUS);    	
    rDISRC1=(unsigned)tx0_ptr;	//Address of Memory
	rDISRCC1=(0<<1)|(0);		//AHB(Memory), inc
	rDIDST1=(unsigned)0x44500010;//Address of SPTDAT Register
	rDIDSTC1=(1<<1)|(1);		//APB(SPI), fix
    rDCON1=(1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(1<<22)|(0<<20)|(spitx_count);
    rDMAREQSEL1=(0<<1)|(1<<0);
	rDMASKTRIG1=(0<<2)|(1<<1)|(0);    //run, DMA1 channel on, no-sw trigger 
    printf("Check TC1=%x\n",rDSTAT1);
   	printf("**DMA1 setting end**\n");
}

//////////////////////////////////////////////
void Test_Spi0_M_Rx_DMA1_Set(void)
{

    int i;
    rx0_ptr=(unsigned char *) DMA1_RxBUFFER0;
    for(i=0; i<spirx_count+10; i++)
		*(rx0_ptr+i)=0x0; 
    pISR_DMA_SBUS= (unsigned)DmaTx_Int;
	rINTSUBMSK&=~(BIT_SUB_DMA1);
	rINTMSK&=~(BIT_DMA_SBUS);    
}

void Test_Spi1_S_Tx_DMA3_Set(void)
{
/*
    int i;
    tx1_ptr=(unsigned char *) DMA3_TxBUFFER1;
    for(i=0;i<spitx_count;i++)
		*(tx1_ptr+i)=i; // Zero Initialize
	
    tx_dma3Done=0;
    pISR_DMA = (unsigned)DmaTx_Int;
	rINTSUBMSK&=~(BIT_SUB_DMA3);
	rINTMSK&=~(BIT_DMA);	
*/
	rDISRC3=(unsigned)tx1_ptr;//Address of SPRDAT Register
    rDISRCC3=(1<<1)|(1);		//APB(SPI), fix
    rDIDST3=(unsigned)0x44500030;	//Address of Memory
    rDIDSTC3=(0<<1)|(0);		//AHB(Memory), inc
    rDCON3=(1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(1<<22)|(0<<20)|(spirx_count);
    rDMAREQSEL3=(1<<1)|(1<<0);
	rDMASKTRIG3=(0<<2)|(1<<1)|(0);    //run, DMA1 channel on, no-sw trigger 
    printf("Check TC3=%x\n",rDSTAT3);
	printf("\n**DMA3 setting end**\n");
}
////////////////////////////////////////////////
void Test_Spi1_S_Rx_DMA3_Set(void)
{
    int i;
    rx1_ptr=(unsigned char *) DMA3_RxBUFFER1;
    for(i=0;i<spirx_count+10;i++)
		*(rx1_ptr+i)=0x0; // Zero Initialize
	
    rx_dma3Done=0;
    pISR_DMA_SBUS= (unsigned)Dma1Tx_Int;
	rINTSUBMSK&=~(BIT_SUB_DMA3);
	rINTMSK&=~(BIT_DMA_SBUS);	
	rDISRC3=(unsigned)0x44500034;//Address of SPRDAT Register
    rDISRCC3=(1<<1)|(1);		//APB(SPI), fix
    rDIDST3=(unsigned)rx1_ptr;	//Address of Memory
    rDIDSTC3=(0<<1)|(0);		//AHB(Memory), inc
    rDCON3=(1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(1<<22)|(0<<20)|(spirx_count);
    rDMAREQSEL3=(1<<1)|(1<<0);
    rDMASKTRIG3=(0<<2)|(1<<1)|(0);    //run, DMA1 channel on, no-sw trigger 
    printf("TC3=%x\n",rDSTAT3);
   	printf("\n**DMA3 setting end**\n");
}


///////////////////////////SPI0: Slave, SPI1: Master/////////////////////////
void Test_Spi01_SM_DMA_RxTx(void)
{
    int i;

     SPI_Port_Set();
     SPI0_Port_Init(0); // Spi0=Slave(nSS) 
     SPI1_Port_Init(1); // Spi1=master
	 
	printf("[SPI0(Master Tx), SPI1(Slave Rx) DMA test]\n");
	printf("Connect J29: (2-3) and CON28: (2-3)\n");
    

	tx1_ptr=(unsigned char *) DMA3_TxBUFFER1;
		for(i=0; i<spitx_count; i++)
			*(tx1_ptr+i)=i+0x81; 
		
    rx0_ptr=(unsigned char *) DMA1_RxBUFFER0;
    for(i=0;i<spirx_count;i++)
		*(rx0_ptr+i)=0x0; // Zero Initialize
		
    rx_dma1Done=0;
	tx_dma3Done=0;

    pISR_DMA_SBUS= (unsigned)DmaTx_Int;
    rINTMSK=~(BIT_DMA_SBUS);
    rINTSUBMSK=~(BIT_SUB_DMA1);

    //Step1. SPI init
    i = ClockSelection();
    rSPPRE0=i;	//if PCLK=50Mhz,SPICLK=25Mhz
    #if FORMAT0_A
		rSPCON0=(2<<5)|(0<<4)|(0<<3)|(1<<2)|(0<<1)|(1<<0);//DMA1,dis-SCK,slave,low,A,TAGD
    #else
		rSPCON0=(2<<5)|(0<<4)|(0<<3)|(1<<2)|(1<<1)|(1<<0);//DMA1,dis-SCK,slave,low,B,TAGD
		//When you use [Slave Rx with DMA] function you should have to set TAGD bit
    #endif

    //When you use [Slave Rx with DMA] function you should have to set TAGD bit
    rSPPIN0=(0<<2)|(1<<1)|(0<<0);//dis-ENMUL,SBO,release

    //Step2. DMA1 init 
    rDISRC1=(unsigned)0x44500014;//Address of SPRDAT Register
    rDISRCC1=(1<<1)|(1);		//APB(SPI), fix
    rDIDST1=(unsigned)rx0_ptr;	//Address of Memory
    rDIDSTC1=(0<<1)|(0);		//AHB(Memory), inc
    rDCON1=(1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(1<<22)|(0<<20)|(spirx_count);
     rDMAREQSEL1=(0<<1)|(1<<0);
	rDMASKTRIG1=(0<<2)|(1<<1)|(0);    //run, DMA1 channel on, no-sw trigger 
	printf("Slave setting......end\n");
	getchar();

	pISR_DMA_SBUS= (unsigned)DmaTx_Int;
	rINTMSK=~(BIT_DMA_SBUS);
	rINTSUBMSK=~(BIT_SUB_DMA3);
		
	//Step1. SPI init
	rSPPRE1=i;	//
    #if FORMAT1_A
		rSPCON1=(2<<5)|(1<<4)|(1<<3)|(1<<2)|(0<<1)|(0<<0);//DMA1,en-SCK,master,low,A,normal
    #else
		rSPCON1=(2<<5)|(1<<4)|(1<<3)|(1<<2)|(1<<1)|(0<<0);//DMA1,en-SCK,master,low,B,normal    
    #endif
		rSPPIN1=(0<<2)|(1<<1)|(0<<0);//dis-ENMUL,SBO,release
	
	 Master_nSS_Con1(0); // Activate nSS
		//Step2. DMA1 init 
	rDISRC3=(unsigned)tx1_ptr;	//Address of Memory
	rDISRCC3=(0<<1)|(0);		//AHB(Memory), inc
	rDIDST3=(unsigned)0x44500030;//Address of SPTDAT Register
	rDIDSTC3=(1<<1)|(1);		//APB(SPI), fix
	rDCON3=(1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(1<<22)|(0<<20)|(spitx_count);
       rDMAREQSEL3=(1<<1)|(1<<0);
	rDMASKTRIG3=(0<<2)|(1<<1)|(0);	  //run, DMA1 channel on, no-sw trigger 

	
    while((rx_dma1Done==0)||(tx_dma3Done==0))
		{
    	if(Uart_GetKey())
			break;
		}
	printf("Check TC1=%x,  TC3=%x\n",rDSTAT1,rDSTAT3);

	while(!(rSPSTA0&0x1)||!(rSPSTA1&0x1))// Tx/Rx is done
		{
    	if(Uart_GetKey())
			break;
    	}
	
	Master_nSS_Con1(1);

	printf("tx_dma3Done=%x, rx_dma1Done=%x\n",tx_dma3Done,rx_dma1Done);
  	
    #if FORMAT1_A
	rSPCON0=(0<<5)|(0<<4)|(0<<3)|(1<<2)|(0<<1)|(0<<0);//poll,dis-SCK,slave,low,A,normal
	rSPCON1=(0<<5)|(0<<4)|(0<<3)|(1<<2)|(0<<1)|(0<<0);//poll,dis-SCK,slave,low,A,normal
	#else
	rSPCON0=(0<<5)|(0<<4)|(0<<3)|(1<<2)|(1<<1)|(0<<0);//poll,dis-SCK,slave,low,B,normal
	rSPCON1=(0<<5)|(0<<4)|(0<<3)|(1<<2)|(1<<1)|(0<<0);//poll,dis-SCK,slave,low,B,normal
    #endif

	*(rx0_ptr+spirx_count)=rSPRDAT0;

	printf("\nDMA3 data\n");
	for(i=0; i<spitx_count; i++)
		printf("0x%02x,",*tx1_ptr++);

	printf("\n\n");

	printf("\nDMA1 data\n");
    
    rx0_ptr=(unsigned char *) DMA1_RxBUFFER0;
    for(i=1;i<(spirx_count+1);i++)
		printf("0x%02x,",*(rx0_ptr+i));

    SPI_Port_Return();
}

void Test_Spi01_SM_DMA_TxRx(void)
{
    int i;

    SPI_Port_Set();
    SPI0_Port_Init(0); // Slave (nSS)
    SPI1_Port_Init(1);
    printf("[SPI0(Slave Rx), SPI1(Master Tx) DMA test]\n");
	printf("Connect J29: (2-3) and CON28: (2-3)\n");

//	rGPHPU = 0xff;

	tx0_ptr=(unsigned char *) DMA1_TxBUFFER0;
    for(i=0; i<spitx_count; i++)
    	if ( (i%2)==1 ) *(tx0_ptr+i) = 0x23;
    	else *(tx0_ptr+i) = 0x71;
//		*(tx0_ptr+i)=i+0x81;

	rx1_ptr=(unsigned char *)DMA3_RxBUFFER1;
    for(i=0;i<spirx_count;i++)
		*(rx1_ptr+i)=0x0; // Zero Initialize
		
    rx_dma3Done=0;
    tx_dma1Done=0;
	
    pISR_DMA_SBUS= (unsigned)DmaTx_Int;
    rINTMSK=~(BIT_DMA_SBUS);
    rINTSUBMSK=~(BIT_SUB_DMA1);

    //Step1. SPI init
    i = ClockSelection();
    rSPPRE0=i;	//if PCLK=50Mhz,SPICLK=25Mhz
    #if FORMAT0_A
	rSPCON0=(2<<5)|(0<<4)|(0<<3)|(1<<2)|(0<<1)|(0<<0);//DMA1,dis-SCK,slave,low,A,normal
    #else
	rSPCON0=(2<<5)|(0<<4)|(0<<3)|(1<<2)|(1<<1)|(0<<0);//DMA1,dis-SCK,slave,low,B,normal
    #endif
    rSPPIN0=(0<<2)|(1<<1)|(0<<0);//dis-ENMUL,SBO,release

    //Step2. DMA1 init 
    rDISRC1=(unsigned)tx0_ptr;	//Address of Memory
    rDISRCC1=(0<<1)|(0);		//AHB(Memory), inc
    rDIDST1=(unsigned)0x44500010;//Address of SPTDAT Register
    rDIDSTC1=(1<<1)|(1);		//APB(SPI), fix
    rDCON1=(1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(1<<22)|(0<<20)|(spitx_count);
    rDMAREQSEL1=(0<<1)|(1<<0);
    rDMASKTRIG1=(0<<2)|(1<<1)|(0);    //run, DMA1 channel on, no-sw trigger 

	printf("Slave setting......end\n");
	getchar();
	
	pISR_DMA_SBUS= (unsigned)DmaTx_Int;
	rINTMSK=~(BIT_DMA_SBUS);
	rINTSUBMSK=~(BIT_SUB_DMA3);
	   //Step1. SPI init
	rSPPRE1=i;   //if PCLK=50Mhz,SPICLK=25Mhz
    #if FORMAT1_A
	rSPCON1=(2<<5)|(1<<4)|(1<<3)|(1<<2)|(0<<1)|(1<<0);//DMA1,en-SCK,master,low,A,TAGD	
    #else
	rSPCON1=(2<<5)|(1<<4)|(1<<3)|(1<<2)|(1<<1)|(1<<0);//DMA1,en-SCK,master,low,B,TAGD
    #endif
	   //When you use [Master Rx with DMA] function you should have to set TAGD bit
	rSPPIN1=(0<<2)|(1<<1)|(0<<0);//dis-ENMUL,SBO,release
	
    Master_nSS_Con1(0);
	  
	printf("!!!! SPCON1 = 0x%x\n", rSPCON1);
	
	   //Step2. DMA3 init 
	rDISRC3=(unsigned)0x44500034;//Address of SPRDAT Register
	rDISRCC3=(1<<1)|(1); 	   //APB(SPI), fix
	rDIDST3=(unsigned)rx1_ptr;   //Address of Memory
	rDIDSTC3=(0<<1)|(0); 	   //AHB(Memory), inc
	rDCON3=(1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(2<<24)|(1<<23)|(1<<22)|(0<<20)|(spirx_count);
   rDMAREQSEL3=(1<<1)|(1<<0);
	rDMASKTRIG3=(0<<2)|(1<<1)|(0);	 //run, DMA1 channel on, no-sw trigger 

	while((rx_dma1Done==0)||(tx_dma3Done==0))
		{
		if(Uart_GetKey())
			break;
		}
	printf("Check TC1=%x,	TC3=%x\n",rDSTAT1,rDSTAT3);

	while(!(rSPSTA0&0x1)||!(rSPSTA1&0x1))// Tx/Rx is done
		{
		if(Uart_GetKey())
			break;
		}
	
	Master_nSS_Con1(1);
	
	printf("tx_dma3Done=%x, rx_dma1Done=%x\n",tx_dma3Done,rx_dma1Done);
		
    #if FORMAT1_A
		rSPCON0=(0<<5)|(0<<4)|(0<<3)|(1<<2)|(0<<1)|(0<<0);//poll,dis-SCK,slave,low,A,normal
		rSPCON1=(0<<5)|(0<<4)|(0<<3)|(1<<2)|(0<<1)|(0<<0);//poll,dis-SCK,slave,low,A,normal
	#else
		rSPCON0=(0<<5)|(0<<4)|(0<<3)|(1<<2)|(1<<1)|(0<<0);//poll,dis-SCK,slave,low,B,normal
		rSPCON1=(0<<5)|(0<<4)|(0<<3)|(1<<2)|(1<<1)|(0<<0);//poll,dis-SCK,slave,low,B,normal
    #endif
    
    *(rx1_ptr+spirx_count)=rSPRDAT1; // add last character because of first rx garbage data

	printf("\nDMA1 data\n");
	for(i=0; i<spitx_count; i++)
		printf("0x%x,",*tx0_ptr++);

	printf("\n\n");

	printf("\nDMA3 data\n");
    
    rx1_ptr=(unsigned char *) DMA3_RxBUFFER1;
    for(i=1;i<(spirx_count+1);i++)
	printf("0x%x,",*(rx1_ptr+i));

    SPI_Port_Return();
}

void __irq Dma1Tx_Int(void)
{
	printf("Entered ISR_1\n");
	rINTSUBMSK|=(BIT_SUB_DMA1|BIT_SUB_DMA3);
	rINTMSK|=(BIT_DMA_SBUS);
	if(rSUBSRCPND&(1<<26))
		{
		rx_dma1Done=1;
		tx_dma1Done=1;
		rSUBSRCPND=BIT_SUB_DMA1;
	    //printf("##Tx DMA1 is done##\n");
		}
	else if(rSUBSRCPND&(1<<28))
		{
		rx_dma3Done=1;
		tx_dma3Done=1;
		rSUBSRCPND=BIT_SUB_DMA3;
		//printf("##Rx DMA3 is done##\n");
		}
	else
    	{
    	printf("DMA SUB INT Fail\n");
    	}
	ClearPending(BIT_DMA_SBUS);
    rINTMSK &= ~(BIT_DMA_SBUS);
    rINTSUBMSK &= ~(BIT_SUB_DMA1|BIT_SUB_DMA3);	
	//*(rx1_ptr+spirx_count)=rSPRDAT1;
}

void __irq DmaTx_Int(void)
{
	printf("Entered ISR_2\n");
	rINTSUBMSK|=(BIT_SUB_DMA1|BIT_SUB_DMA3);
	rINTMSK|=(BIT_DMA_SBUS);
	if(rSUBSRCPND&(1<<26))
		{		
		rx_dma1Done=1;
		tx_dma1Done=1;
		rSUBSRCPND=BIT_SUB_DMA1;
	    printf("##DMA1 is done##\n");
		}
	else if(rSUBSRCPND&(1<<28))
		{
		rx_dma3Done=1;
		tx_dma3Done=1;
		rSUBSRCPND=BIT_SUB_DMA3;
		printf("##DMA3 is done##\n");
		}
	else
    	{
    	printf("DMA SUB INT Fail\n");
    	}
	ClearPending(BIT_DMA_SBUS);
    rINTMSK &= ~(BIT_DMA_SBUS);
    rINTSUBMSK &= ~(BIT_SUB_DMA1|BIT_SUB_DMA3);	
	//*(rx1_ptr+spirx_count)=rSPRDAT1;
}