iis.c

三星2443芯片

void __irq DMA2_Done(void)
{
	rINTSUBMSK |= BIT_SUB_DMA2; 	
	rINTMSK |= (BIT_DMA);
	rSUBSRCPND = BIT_SUB_DMA2;
	ClearPending(BIT_DMA);	

	rIISCON	&= ~(1<<2)|(0<<0);
    rIISCON |= (1<<2)|(1<<0);
	
  	printf("\nTX DMA Done ~~~");

	rINTMSK &= ~(BIT_DMA);
	rINTSUBMSK &= ~BIT_SUB_DMA2; 	
}


void __irq DMA1_Rec_Done(void)
{
	rINTSUBMSK |= BIT_SUB_DMA1; 	
	rINTMSK |= (BIT_DMA);
	rSUBSRCPND = BIT_SUB_DMA1;
	ClearPending(BIT_DMA);	
	
	rIISCON	&= ~(1<<1)|(0<<0);
	printf("Record DMA Done!\n");

	rINTMSK &= ~(BIT_DMA);
	rINTSUBMSK &= ~BIT_SUB_DMA1; 	

    Rec_Done = 1;
} 


void __irq Play_Rec_Simul(void)
{
	rINTSUBMSK |= BIT_SUB_DMA1; 	
	rINTMSK |= (BIT_DMA);
	rSUBSRCPND = BIT_SUB_DMA1;
	ClearPending(BIT_DMA);	

    rIISCON	&= ~(1<<0);
	rIISCON |= 0x1;
      
	printf("\nR~~~");	

	rINTMSK &= ~(BIT_DMA);
	rINTSUBMSK &= ~BIT_SUB_DMA1; 	
}


void __irq Rx_IIS_Int(void)
{
    rSUBSRCPND = BIT_SUB_RXD1;          //Clear pending bit (Requested)
    rSUBSRCPND;

    ClearPending(BIT_UART1);

    *_temp ++= RdURXH1(); 
}
 

void Play_Iis(void)
{	
	printf("\n just only Play it.\n");
        
	IIS_Port_Init(); 
	Select_IIS_Master_CLK();

	
	Init1341(PLAY_IIS);
	IIS_PlayWave_DMA2(rec_buf, 464000);

	// need to add mute function
	
	IIS_Port_Return();
}

void Play_Iis_EXTCLK(void)
{	
	printf("\n just only Play it.\n");
        
	IIS_Port_Init(); 
	Select_EXTCLK(); // Select External Clock

	Init1341(PLAY_IIS);
	Data_init();
	IIS_PlayWave_DMA2_EXTCLK(rec_buf, 464000);

	IIS_Port_Return();
}



//Record Sound via Line-In 
void RecordSound_ViaLineIn_Playit(void)
{	
	printf("\nRecord Sound via Line-In and Play it.\n");

	IIS_Port_Init(); 
	Select_IIS_Master_CLK();

	Init1341(RECORD_LINE_IN);
	IIS_RecSound_DMA1(RECORD_LINE_IN, 464000);
	
	Init1341(PLAY_IIS);
	IIS_PlayWave_DMA2(rec_buf, 464000);

	// need to add mute function

	IIS_Port_Return();
}


//Record Sound via MIC-In
void RecordSound_ViaMICIn_Playit(void)
{
	printf("\nRecord Sound via MIC-In and Play it.\n");

   	IIS_Port_Init(); 
	Select_IIS_Master_CLK();
  
	Init1341(RECORD_MIC_IN);
	IIS_RecSound_DMA1(RECORD_MIC_IN, REC_LEN_IIS);
	
	printf("\nPress Any Key If You Want Play WAV File\n" );
	getchar();
	
	Init1341(PLAY_IIS);
	IIS_PlayWave_DMA2(rec_buf, 464000);

	// need to add mute function

	IIS_Port_Return();
}


void RECORD_PLAY_SIMtaneously(void)
{
	printf("\nRecord and Play Simultaneously.\n");

	IIS_Port_Init(); 

	Select_IIS_Master_CLK();

	Init1341(RECORD_LINE_IN);
//	IIS_RecSound_DMA1(RECORD_LINE_IN, REC_LEN_IIS);
	IIS_RecSound_DMA1(RECORD_LINE_IN, 464000);

	printf("\n First Record OK! and then RECORD Simultaneously\n");
	getchar();
	
	Init1341(RECORD_PLAY_SIM);
//	IIS_Paly_Rec_Simul(rec_buf, REC_LEN_IIS);
	IIS_Paly_Rec_Simul(rec_buf, 464000);
	
	Init1341(PLAY_IIS);
	IIS_PlayWave_DMA2(rec_buf1, 464000);
		
	// need to add mute function

	IIS_Port_Return();
}


void RecordSound_ViaLineIn_SLV(void)
{	
	printf("\nRecord Sound via Line-In and Play it.\n");

	// slave mode setting
	rIISMOD = ( rIISMOD & ~(3<<10) ) | (3<<10);

	IIS_Port_Init(); 

	Init1341(RECORD_LINE_IN);
	IIS_RecSound_DMA1_SLV(RECORD_LINE_IN, 464000);
	
	IIS_Port_Return();
}


void RecordSound_ViaLineIn_MASTER(void)
{	
	printf("\nRecord Sound via Line-In and Play it.\n");


	IIS_Port_Init(); 
	Select_IIS_Master_CLK();

	Init1341(RECORD_LINE_IN);
	IIS_RecSound_DMA1_MASTER(RECORD_LINE_IN, 464000);
	
	IIS_Port_Return();
}
			  

void Play_Iis_MASTER(void)
{	
	printf("\n just only Play it.\n");

	IIS_Port_Init(); 
	Select_IIS_Master_CLK(); 

	Data_init();
	
	Init1341(PLAY_IIS);
	IIS_PlayWave_DMA2_MASTER(rec_buf, 464000);

	IIS_Port_Return();
}


void Play_Iis_SLAVE(void)
{	
	printf("\n just only Play it.\n");

	// Slave mode Setting
	rIISMOD = ( rIISMOD & ~(3<<10) ) | (3<<10); 
	        
	IIS_Port_Init(); 

	Data_init();
	
	Init1341(PLAY_IIS);
	IIS_PlayWave_DMA2_SLAVE(rec_buf, 464000);

	IIS_Port_Return();
}


void Data_init(void)
{
	int i;
    unsigned int *rec_buf = (unsigned int *)0x31000028; 
	
	for(i=0;i<500000;i++)
	{
		*(rec_buf+i)=i;
	}
		*(rec_buf+0)=0xa5a5a5a5;
		*(rec_buf+1)=0x5a5a5a5a;
		*(rec_buf+2)=0xffff0000;
		*(rec_buf+3)=0xffffffff;
		*(rec_buf+4)=0x0000ffff;
}


void IIS_RecSound_DMA1(int mode, unsigned int rec_size)
{
	int Exit_Key, iIndex;
	
	unsigned int iR_LRCLK, iR_BCLK, iR_BLC;
	
	printf("\n Root Frequency Sample ( 0:256fs    1:512fs    2:384fs    3:768fs ) = ");
 	iR_LRCLK = GetIntNum(); 
	printf("\n Bit Frequency Sample (0:32fs    1:48fs    2:16fs    3:24fs) = ");
 	iR_BCLK = GetIntNum(); 
	printf("\n BLC (0: 16bit    1:8bit ) = ");
	iR_BLC = GetIntNum(); 
		

	pISR_DMA = (unsigned)DMA1_Rec_Done;
	
	
	ClearPending(BIT_DMA);	
	rSUBSRCPND = BIT_SUB_DMA1;
	
	// No Pause Rx DMA Operatin, Tx disable, Rx enable, Tx DMA disable, Rx DMA enable, I2S disalbe.
 	rIISCON = (0<<5) + (1<<4) + (0<<3) +(0<<2) + (1<<1) + 0;	   
	// Using PCLK, Receive Mode, Left Channel is Low, I2S Format, LRCLK 384fs, BLK 32fs, BLC 16bit.
	rIISMOD = (0<<10)+(1<<8) + (0<<7) + (0<<5) +  (iR_LRCLK<<3) + (iR_BCLK<<1) + (iR_BLC<<0);	
	
	// FIFO flush
	rIISFIC = (1<<7) + 0; // jungil	  
	rIISFIC = (0<<7) + 0; // jungil	  

	printf("\nIISLRCK = %d Hz", (int) IIS_Codec_CLK/384);

	// Reg_Buf Memory init	
	for(iIndex=0;iIndex<500000;iIndex+=1)
	{
		*((unsigned int*)(0x31000028)+iIndex)=0x0;
	}
	printf("\n Check 0x31000028 Memory Init and Press Ant Key! \n");
	getchar();

	printf("\n Press any key to start record!\n"); // jungil
	getchar(); //jungil 

	// DMA 1 Mask Release. 
	rINTMSK = ~(BIT_DMA);
	rINTSUBMSK = ~(BIT_SUB_DMA1);

	//IIS Rx start
	rIISCON |= 0x1;	 // I2S start

	//--- DMA1 Initialize
	rDISRCC1 = (1<<1) + (1<<0);   
	rDISRC1  = ((unsigned int)0x55000014);    
	rDIDSTC1 = (0<<1) + (0<<0);     
	rDIDST1  = (int)rec_buf;                            
	rDCON1   = (U32)((1<<31)+(0<<30)+(1<<29)+(0<<28)+(0<<27)+(0<<22)+(2<<20)+(464000/4));	
	rDMAREQSEL1 = (5<<1) + (1<<0); 
	rDMASKTRIG1 = (0<<2) + (1<<1) + (0<<0);          //No-stop[2], DMA1 channel On[1], No-sw trigger[0] 
			 
	if(mode ==1)
		printf("\n\nAre you ready to record sound via MIC-In on SMDK2443?");
	if(mode ==2)
		printf("\n\nAre you ready to record sound via Line-In on SMDK2443?");
	
	printf("\n Recording............If you want stop, Press 'x' or 'X' key \n");

	while(!getchar())
	{
		Exit_Key=getchar();

		if( (Exit_Key == 'x') | (Exit_Key == 'X')) 
		{
			Rec_Done=1;
			break;
		}
	}

	Rec_Done = 0;

	//IIS Rx stop
	Delay(10);				//For end of H/W Rx
	rIISCON     = 0x0;			//IIS stop
	
	rDMASKTRIG1 = (1<<2);	//DMA2 stop
	rIISFIC    = 0x0;			//For FIFO flush

	rINTSUBMSK |= (BIT_SUB_DMA1);	
	rINTMSK |= (BIT_DMA);

	printf("\nEnd of Record!\n");	
    	
}

void IIS_RecSound_DMA1_Repeat(unsigned char *start_addr, unsigned int rec_size)
{
	unsigned char Exit_Key;

	printf("\nRecording At IISLRCK = %d Hz\n", (int) IIS_Codec_CLK/384);
	printf("\nRecord Buffer 1 == %x", rec_buf1);
	
	//--- DMA1 Initialize
	rDISRCC1 = (1<<1) + (1<<0);   
	rDISRC1  = ((unsigned int)0x55000014);    
	rDIDSTC1 = (0<<1) + (0<<0);     
	rDIDST1  = (int)rec_buf1;                            
	rDCON1   = (U32)((1<<31)+(0<<30)+(1<<29)+(0<<28)+(0<<27)+(0<<22)+(2<<20)+(464000/4));	
	rDMAREQSEL1 = (5<<1) + (1<<0); 
	rDMASKTRIG1 = (0<<2) + (1<<1) + (0<<0);          //No-stop[2], DMA1 channel On[1], No-sw trigger[0] 

	while(!Uart_GetKey())
	{
		Exit_Key=getchar();

		if( (Exit_Key == 'x') | (Exit_Key == 'X')) 
		{
			Rec_Done=1;
			break;
		}
	}

	//IIS Rx stop
	Delay(10);				//For end of H/W Rx
	rIISCON     = 0x0;			//IIS stop
	rDMASKTRIG1 = (1<<2);	//DMA1 stop
	rIISFIC    = 0x0;			//For FIFO flush

	printf("\n\nEnd of Record!");		
}


void IIS_PlayWave_DMA2(unsigned char *start_addr, unsigned int play_size)
{
	unsigned char Exit_Key;
	unsigned int iLRCLK=0, iBCLK=0, iBLC=0;
	
	
	pISR_DMA = (unsigned)DMA2_Done;
	ClearPending(BIT_DMA);	
	rSUBSRCPND = BIT_SUB_DMA2;

	printf("\n Root Frequency Sample ( 0:256fs    1:512fs    2:384fs    3:768fs ) = ");
 	iLRCLK = GetIntNum(); 
	printf("\n Bit Frequency Sample (0:32fs    1:48fs    2:16fs    3:24fs) = ");
	iBCLK = GetIntNum(); 
	printf("\n BLC (0: 16bit    1:8bit ) = ");
	iBLC = GetIntNum(); 
		
	// this setting for only TX   	
  	rIISCON = (0<<5) + (0<<4) +(1<<2) + (0<<1)+0;	   
  	// using pclk, tx only , left for channel,iis format ,384fs , 32fs ,16bit  	
  	rIISMOD = rIISMOD & ~(0xfff) | (0<<10)|(0<<8)|(0<<7)|(0<<5)|(iLRCLK<<3)|(iBCLK<<1)|(iBLC<<0);  	
  	
	rIISFIC = 0+(1<<15);	  
    rIISFIC = 0+(0<<15);	  
    	
	printf("\nIISLRCK = %d Hz", (int) IIS_Codec_CLK/384);

	rINTMSK = ~(BIT_DMA);
	rINTSUBMSK = ~(BIT_SUB_DMA2);

	printf("\nConnect head-phone plug into speaker-out socket on SMDK2443 and Press any key.\n");
	getchar();
	
	printf("If you want to exit, Press the 'x' key.\n");
	printf("Now Play...\n");
	
	printf("If you want to disable IIS tx(PAUSE), Press '0' key\n");
	printf("If you want to enable IIS tx, Press '1' key\n");
	printf("If you want to stop DMA channel(STOP), Press '2' key\n");
	printf("If you want to start DMA channel, Press '3' key\n");
	
	//DMA2 Register Setting 
	rDISRC2  = (int)(start_addr); 
	rDISRCC2 = (0<<1) + (0<<0); 		  
	rDIDST2  = ((unsigned int)0x55000010);			
	rDIDSTC2 = (1<<1) + (1<<0); 
	// 31: ACK 	30: sync pclk  29:curr_tc int setting 28:unit transfer 27:single service 22: reload 20:half word 
	rDCON2   = (U32)((U32)(1<<31)+(0<<30)+(1<<29)+(0<<28)+(0<<27)+(0<<22)+(2<<20)+(play_size/4));
	// 5:1= 4th bit is the tx iis     0:set = hw zero = sw
	rDMAREQSEL2 = (4<<1)|(1);
	
	rDMASKTRIG2 = (0<<2) + (1<<1) + (0<<0);	    //No-stop, DMA2 channel On, and No-sw trigger 
       
	//IIS Tx Start
	rIISCON |= 0x1;		 //IIS Interface start

	while(1)
	{
		Exit_Key=getchar();
		
    	if(Exit_Key == '0'){
			rIISCON |= (1<<4);
    		printf("\nPAUSE...\n");
    	}
		if(Exit_Key == '1'){
			rIISCON &= ~(1<<3);
		}
		if(Exit_Key == '2'){
			rDMASKTRIG2 |= (1<<2);
			rIISFIC &= ~(1<<13);	//* tx fifo disable
			while((rIISFIC & 0x0FC0)!=0);	//* wait until tx fifo gets empty
    		printf("\nSTOP...\n");
		}
		if(Exit_Key == '3'){
			rIISFIC |= (1<<13);	//* tx fifo enable
			rDISRC2  = (int)(start_addr);
			rDMASKTRIG2 &= ~(1<<2);
			rDMASKTRIG2 |= (1<<1);
		}

		if( (Exit_Key == 'x') | (Exit_Key == 'X')) 
			break;
		printf("STAT2: 0x%x CURR_TC: 0x%x		DCDST2: 0x%x\n", rDSTAT2&0x300000, rDSTAT2&0xfffff, rDCDST2);
	}
    	
	//IIS Tx Stop
	Delay(10);			 //For end of H/W Tx
	rIISCON	&= ~(1<<0);	    //IIS Interface stop

	rDMASKTRIG2  = (1<<2);	 //DMA2 stop
	rIISFIC = 0x0;	    //For FIFO flush
		
	rINTSUBMSK |= (BIT_SUB_DMA2);
	rINTMSK |= (BIT_DMA);
 	
	printf("\nEnd of Play!\n");
}


void IIS_Paly_Rec_Simul(unsigned char *start_addr, unsigned int play_size)
{
	pISR_DMA= (unsigned)Play_Rec_Simul;
	ClearPending(BIT_DMA);
	rSUBSRCPND=(BIT_SUB_DMA1);

	// this setting for TX RX Simulateously
  	rIISCON = (0<<5) + (0<<4) +(1<<2) + (1<<1)+0;	   
  	// using pclk, TX/RX Silmulateously , left for channel,iis format ,384fs , 32fs ,16bit  	
  	rIISMOD = rIISMOD & ~(0xfff) | (0<<10)|(2<<8)|(0<<7)|(0<<5)|(2<<3)|(0<<1)|(0<<0);  	
	
	// Fifo Fulsh
  	rIISFIC = 0+(1<<15);	  
    rIISFIC = 0+(0<<15);	  

	printf("\n RootCLK = 384fs, BLK = 32fs, BLC = 16bit \n");
	printf("\nIISLRCK = %d Hz", (int) IIS_Codec_CLK/384);

	rINTMSK &= ~(BIT_DMA);
	rINTSUBMSK &= ~(BIT_SUB_DMA1);

	printf("\nConnect head-phone plug into speaker-out socket on SMDK2460 and Press any key.\n");
	getchar();

	printf("If you want to exit, Press the 'x' key.\n");
	printf("Now Play...\n");

	//DMA2 Register Setting 
	rDISRC2  = (int)(start_addr); 
	rDISRCC2 = (0<<1) + (0<<0); 		  
	rDIDST2  = ((unsigned int)0x55000010);			
	rDIDSTC2 = (1<<1) + (1<<0); 
	// 31: ACK 	30: sync pclk  29:curr_tc int setting 28:unit transfer 27:single service 22: reload 20:half word