www.pudn.com > ARM9_PROGRAM.rar > extdma.c

#include  
#include "addr.h" 
#include "lib.h" 
#include "option.h" 
#include "def.h" 
 
void _Dma0XdreqHandshakeUnit8bit(void);	    //SET_XDREQ16() 
void _Dma0XdreqHandshakeUnit16bit(void);    //SET_XDREQ16() 
void _Dma0XdreqHandshakeUnit32bit(void);    //SET_XDREQ16() 
void _Dma0XdreqHandshakeBurst16bit(void);   //SET_XDREQ16() 
 
void _Dma0XdreqDemandUnit16bit(void);	    //SET_XDREQDm() 
void _Dma0XdreqDemandBurst16bit(void);	    //SET_XDREQDm() 
 
void _Dma0XdreqWholeUnit16bit(void);	    //SET_XDREQ1() 
void _Dma0XdreqWholeBurst16bit(void);	    //SET_XDREQ1() 
 
 
#define BUS8		(0) 
#define BUS16		(1) 
#define BUS32		(2) 
 
//GPG9  = DMAMODE0 
//GPG10 = DMAMODE1 
//GPG8  = nDMASTART 
 
#define SET_XDREQ16()	rGPGDAT=(rGPGDAT&~(3<<9))|(0x1<<9)    //xxx01xxx handshake 
#define SET_XDREQ1()	rGPGDAT=(rGPGDAT&~(3<<9))|(0x2<<9)    //xxx10xxx whole 
#define START_XDREQ()	{rGPGDAT=(rGPGDAT&~(1<<8))|(0x0<<8);\ 
			rGPGDAT=(rGPGDAT&~(1<<8))|(0x1<<8);} //xxx1xxx -> xxx0xxx -> xxx1xxx 
#define SET_XDREQDm()	rGPGDAT=(rGPGDAT&~(3<<9))|(0x3<<9)    //xxx11xxx demand 
//DMAMODE[1:0]:	01b= 16 time requests    
//		10b= one time request 
//		11b= demand request 
 
volatile int isDma0Done; 
 
//Verilog code for data bus pins of the EPM7032AE 
//assign data[3:0] = (!nGCS && !nOE ) ? wdata:4'bz; 
 
 
void __irq IsrDma0Done(void) 
{ 
    ClearPending(BIT_DMA0); 
    isDma0Done=1; 
} 
 
 
void Test_Dma0Xdreq(void) 
{ 
    U32 savePLLCON,saveCLKDIVN; 
 
 
    rINTMSK=BIT_ALLMSK; 
    pISR_DMA0=(U32)IsrDma0Done; 
    rINTMSK=~(BIT_DMA0); 
 
    saveCLKDIVN=rCLKDIVN; 
    savePLLCON=rMPLLCON; 
 
    Uart_TxEmpty(0); 
    ChangeClockDivider(1,1);	    // 1:2:4  
    ChangeMPllValue(0x5c,0x4,0x1);  //Fin=12MHz FCLK=100MHz 
    Uart_Init(25000000,115200); 
 
    rGPBCON=(rGPBCON & (~(0xf<<18))) | (0xa<<18);   //GPB9=nXDACK0, GPB10=nXDREQ0 
    //rMISCCR=(rMISCCR & (~(0xf<<4))) | (0x3<<4);   // reset value = nRSTCON bit is high 
    rMISCCR=0x330;	//HCLK 
    rGPHCON=(rGPHCON & (~(0x3<<18))) | (0x2<<18);   //GPH9=CLKOUT0 
     
    rGPGDAT &= (0x9<<8);    // DMAMODE[1:0]=00 
    rGPGDAT |= (0x1<<8);    // nDMASTART=1; 
    rGPGCON=(rGPGCON & (~(0x3f<<16))) | (0x15<<16);   //GPG8=nDMASTART,GPG9=DMAMODE0,GPG10=DMAMODE1 
 
    Uart_Printf("Test Menu for Dma0 nXDREQ/nXDACK\n"); 
    Uart_Printf("1: Single/handshake/unit/8bit   src:GCS0(16)  dst:SDRAM(32)\n"); 
    Uart_Printf("2: Single/handshake/unit/16bit  src:GCS0(16)  dst:SDRAM(32)\n"); 
    Uart_Printf("3: Single/handshake/unit/32bit  src:GCS0(16)  dst:SDRAM(32)\n"); 
    Uart_Printf("4: Single/handshake/burst/16bit src:GCS0(16)  dst:SDRAM(32)\n"); 
    Uart_Printf("5: Whole/handshake/unit/16bit   src:GCS0(16)  dst:SDRAM(32)\n"); 
    Uart_Printf("6: Whole/handshake/burst/16bit  src:GCS0(16)  dst:SDRAM(32)\n"); 
//    Uart_Printf("7: Single/Demand/unit/16bit     src:GCS0(16)  dst:SDRAM(32)\n"); 
//    Uart_Printf("8: Single/Demand/burst/16bit    src:GCS0(16)  dst:SDRAM(32)\n"); 
    Uart_Printf("Select the item?\n"); 
 
    switch(Uart_Getch()) 
    { 
    case '1': 
    	_Dma0XdreqHandshakeUnit8bit(); 
    	break; 
    case '2': 
    	_Dma0XdreqHandshakeUnit16bit(); 
    	break; 
    case '3': 
    	_Dma0XdreqHandshakeUnit32bit(); 
    	break; 
    case '4': 
    	_Dma0XdreqHandshakeBurst16bit(); 
    	break; 
    case '5': 
    	_Dma0XdreqWholeUnit16bit(); 
    	break; 
    case '6': 
    	_Dma0XdreqWholeBurst16bit(); 
    	break; 
/*    case '7': 
	_Dma0XdreqDemandUnit16bit(); 
	break; 
    case '8': 
	_Dma0XdreqDemandBurst16bit(); 
	break;*/ 
    default: 
    	break; 
    } 
    rINTMSK=BIT_ALLMSK; 
 
    Uart_TxEmpty(0); 
    rCLKDIVN=saveCLKDIVN; 
    rMPLLCON=savePLLCON; 
    Uart_Init(0,115200); 
} 
 
void _Dma0XdreqHandshakeUnit8bit(void) 
{ 
    int i; 
    static U8 *bufDst; 
     
    Uart_Printf("[Dma0,Single,handShake,unit,8bit Test,B0->SDRAM]\n"); 
    //Uart_Printf("NOTE:Ignore bit[3:0]!!\n");//????? 
 
    bufDst=(U8 *)0x31000000;//Non cacheable area 
 
    for(i=0;i<16;i++) 
	bufDst[i]=0; 
     
    isDma0Done=0; 
 
    rDISRC0=(int)(0x0);	// B0 
    rDISRCC0=(0<<1)+(0<<0);	// AHB, inc 
    rDIDST0=(U32)(bufDst);	// bufDst 
    rDIDSTC0=(0<<1)+(0<<0);	// AHB, inc 
    rDCON0=(1<<31)+(1<<30)+(1<<29)+(0<<28)+(0<<27)+(0<<24)+(1<<23)+(1<<22)+(0<<20)+16; 
    //handshake, sync HCLK, TC int, single tx, single service, nXDREQ0, H/W request,  
    //auto-reload off, byte, 16 
    rDMASKTRIG0=(0<<2)+(1<<1)+0;    //no-stop, DMA2 channel on, no-sw trigger  
 
 
    SET_XDREQ16(); 
    START_XDREQ(); 
     
    while(isDma0Done==0); 
     
    for(i=0;i<16;i++) 
	Uart_Printf( "%2x,",*((U8 *)0x0+i) ); 
    Uart_Printf("\n"); 
    for(i=0;i<16;i++) 
	Uart_Printf("%2x,",bufDst[i]); 
} 
 
void _Dma0XdreqHandshakeUnit16bit(void) 
{ 
    int i; 
    static U16 *bufDst; 
 
    Uart_Printf("[Dma0,Single,HandShake,unit,16bit Test,B0->SDRAM]\n"); 
 
    bufDst=(U16 *)0x31000000;//Non cacheable area 
 
    for(i=0;i<16;i++)//{bufSrc[i]=i;bufDst[i]=0;} 
	bufDst[i]=0; 
     
    isDma0Done=0; 
 
    rDISRC0=(int)(0x0);		// B0 
    rDISRCC0=(0<<1)+(0<<0);	// AHB, inc 
    rDIDST0=(U32)(bufDst);	// bufDst 
    rDIDSTC0=(0<<1)+(0<<0);	// AHB, inc 
    rDCON0=(1<<31)+(1<<30)+(1<<29)+(0<<28)+(0<<27)+(0<<24)+(1<<23)+(1<<22)+(1<<20)+16; 
    //handshake, sync HCLK, TC int, single tx, single service, nXDREQ0, H/W request,  
    //auto-reload off, half word, 16hw 
    rDMASKTRIG0=(0<<2)+(1<<1)+0;    //no-stop, DMA2 channel on, no-sw trigger  
    SET_XDREQ16(); 
    START_XDREQ(); 
     
    while(isDma0Done==0); 
 
    for(i=0;i<16;i++) 
	Uart_Printf("%4x,",*((U16 *)0x0+i)); 
    Uart_Printf("\n"); 
    for(i=0;i<16;i++) 
	Uart_Printf("%4x,",*((U16 *)bufDst+i)); 
} 
 
void _Dma0XdreqHandshakeUnit32bit(void) 
{ 
    int i; 
    static U32 *bufDst; 
 
    Uart_Printf("[Dma0,HandShake,unit,32bit Test,B0->SDRAM]\n"); 
 
    bufDst=(U32 *)0x31000000;//Non cacheable area 
 
    for(i=0;i<16;i++) 
	bufDst[i]=0; 
     
    isDma0Done=0; 
 
    rDISRC0=(int)(0x0);		// B0 
    rDISRCC0=(0<<1)+(0<<0);	// AHB, inc 
    rDIDST0=(U32)(bufDst);	// bufDst 
    rDIDSTC0=(0<<1)+(0<<0);	// AHB, inc 
    rDCON0=(1<<31)+(1<<30)+(1<<29)+(0<<28)+(0<<27)+(0<<24)+(1<<23)+(1<<22)+(2<<20)+16; 
    //handshake, sync HCLK, TC int, single tx, single service, nXDREQ0, H/W request,  
    //auto-reload off, word, 16w 
    rDMASKTRIG0=(0<<2)+(1<<1)+0;    //no-stop, DMA2 channel on, no-sw trigger  
     
    SET_XDREQ16(); 
    START_XDREQ(); 
     
    while(isDma0Done==0);    	 
    for(i=0;i<16;i++) 
    { 
    	Uart_Printf("%8x,",*((U32 *)0+i)); 
    	if(i%8==7) 
	    Uart_Printf("\n"); 
    } 
     
    for(i=0;i<16;i++) 
    { 
    	Uart_Printf("%8x,",bufDst[i]); 
    	if(i%8==7) 
	    Uart_Printf("\n"); 
    } 
} 
 
void _Dma0XdreqHandshakeBurst16bit(void) 
{ 
    int i; 
    static U16 *bufDst; 
 
    Uart_Printf("[Dma0,HandShake,burst,16bit Test,B0->SDRAM]\n"); 
 
    bufDst=(U16 *)0x31000000;//Non cacheable area 
    for(i=0;i<64;i++) 
	bufDst[i]=0; 
     
    isDma0Done=0; 
     
    rDISRC0=(int)(0x0);		// B0 
    rDISRCC0=(0<<1)+(0<<0);	// AHB, inc 
    rDIDST0=(U32)(bufDst);	// bufDst 
    rDIDSTC0=(0<<1)+(0<<0);	// AHB, inc 
    rDCON0=(1<<31)+(1<<30)+(1<<29)+(1<<28)+(0<<27)+(0<<24)+(1<<23)+(1<<22)+(1<<20)+16; 
    //handshake, sync HCLK, TC int, burst tx, single service, nXDREQ0, H/W request,  
    //auto-reload off, half-word, 64hw 
    rDMASKTRIG0=(0<<2)+(1<<1)+0;    //no-stop, DMA2 channel on, no-sw trigger  
 
    SET_XDREQ16(); 
    START_XDREQ(); 
     
    while(isDma0Done==0); 
 
    for(i=0;i<64;i++) 
    { 
	Uart_Printf("%4x,",*((U16 *)0x0+i)); 
	if(i%8==7) 
	    Uart_Printf("\n"); 
    } 
    Uart_Printf("\n"); 
    for(i=0;i<64;i++) 
    { 
	Uart_Printf("%4x,",*((U16 *)bufDst+i)); 
	if(i%8==7)Uart_Printf("\n"); 
    } 
} 
 
void _Dma0XdreqWholeUnit16bit(void) 
{ 
    int i; 
    static U16 *bufDst; 
 
 
    Uart_Printf("[Dma0,Whole,HandShake,unit,16bit Test,B0->SDRAM]\n"); 
     
    bufDst=(U16 *)0x31000000;//Non cacheable area 
    for(i=0;i<16;i++) 
	bufDst[i]=0; 
     
    isDma0Done=0; 
 
    rDISRC0=(int)(0x0);		// B0 
    rDISRCC0=(0<<1)+(0<<0);	// AHB, inc 
    rDIDST0=(U32)(bufDst);	// bufDst 
    rDIDSTC0=(0<<1)+(0<<0);	// AHB, inc 
    rDCON0=(1<<31)+(1<<30)+(1<<29)+(0<<28)+(1<<27)+(0<<24)+(1<<23)+(1<<22)+(1<<20)+16; 
    //handshake, sync HCLK, TC int, unit tx, whole service, nXDREQ0, H/W request,  
    //auto-reload off, half-word, 16hw 
    rDMASKTRIG0=(0<<2)+(1<<1)+0;    //no-stop, DMA2 channel on, no-sw trigger  
 
    SET_XDREQ1(); 
    START_XDREQ(); 
     
    while(isDma0Done==0); 
 
    for(i=0;i<16;i++) 
    { 
	Uart_Printf("%4x,",*((U16 *)0x0+i)); 
	if(i%8==7) 
	    Uart_Printf("\n"); 
    } 
    Uart_Printf("\n"); 
    for(i=0;i<16;i++) 
    { 
	Uart_Printf("%4x,",*((U16 *)bufDst+i)); 
	if(i%8==7)Uart_Printf("\n"); 
    } 
} 
 
 
 
void _Dma0XdreqWholeBurst16bit(void) 
{ 
    int i; 
    static U16 *bufDst; 
 
    Uart_Printf("[Dma0,whole,burst,16bit Test,B0->SDRAM]\n"); 
 
    bufDst=(U16 *)0x31000000;//Non cacheable area 
    for(i=0;i<64;i++) 
	bufDst[i]=0; 
     
    isDma0Done=0; 
 
    rDISRC0=(int)(0x0);		// B0 
    rDISRCC0=(0<<1)+(0<<0);	// AHB, inc 
    rDIDST0=(U32)(bufDst);	// bufDst 
    rDIDSTC0=(0<<1)+(0<<0);	// AHB, inc 
    rDCON0=(1<<31)+(1<<30)+(1<<29)+(1<<28)+(1<<27)+(0<<24)+(1<<23)+(1<<22)+(1<<20)+16; 
    //handshake, sync HCLK, TC int, burst tx, whole service, nXDREQ0, H/W request,  
    //auto-reload off, half-word, 64hw 
    rDMASKTRIG0=(0<<2)+(1<<1)+0;    //no-stop, DMA2 channel on, no-sw trigger  
 
    SET_XDREQ1(); 
    START_XDREQ(); 
     
    while(isDma0Done==0); 
     
    for(i=0;i<64;i++) 
    { 
	Uart_Printf("%4x,",*((U16 *)0x0+i)); 
	if(i%8==7) 
	    Uart_Printf("\n"); 
    } 
    Uart_Printf("\n"); 
 
    for(i=0;i<64;i++) 
    { 
    	Uart_Printf("%4x,",bufDst[i]); 
    	if(i%8==7)Uart_Printf("\n"); 
    } 
} 
 
// Demand test OK!! with another logic 
void _Dma0XdreqDemandUnit16bit(void) 
{ 
    int i; 
    static U16 *bufDst; 
 
    Uart_Printf("[Dma0,Single,Demand,unit,16bit Test,B0->SDRAM]\n"); 
     
    bufDst=(U16 *)0x31000000;//Non cacheable area 
    for(i=0;i<16;i++) 
	bufDst[i]=0; 
     
    isDma0Done=0; 
 
    rDISRC0=(int)(0x0);		// B0 
    rDISRCC0=(0<<1)+(0<<0);	// AHB, inc 
    rDIDST0=(U32)(bufDst);	// bufDst 
    rDIDSTC0=(0<<1)+(0<<0);	// AHB, inc 
    rDCON0=(0<<31)+(1<<30)+(1<<29)+(0<<28)+(0<<27)+(0<<24)+(1<<23)+(1<<22)+(1<<20)+16; 
    //Demand, sync HCLK, TC int, unit tx, single service, nXDREQ0, H/W request,  
    //auto-reload off, half-word, 16hw 
    rDMASKTRIG0=(0<<2)+(1<<1)+0;    //no-stop, DMA2 channel on, no-sw trigger  
 
    SET_XDREQDm(); 
    START_XDREQ(); 
     
    while(isDma0Done==0); 
 
    for(i=0;i<16;i++) 
    { 
	Uart_Printf("%4x,",*((U16 *)0x0+i)); 
	if(i%8==7) 
	    Uart_Printf("\n"); 
    } 
    Uart_Printf("\n"); 
    for(i=0;i<16;i++) 
    { 
	Uart_Printf("%4x,",*((U16 *)bufDst+i)); 
	if(i%8==7)Uart_Printf("\n"); 
    } 
} 
 
 
void _Dma0XdreqDemandBurst16bit(void) 
{ 
    int i; 
    static U16 *bufDst; 
 
    Uart_Printf("[Dma0,whole,burst,16bit Test,B0->SDRAM]\n"); 
 
    bufDst=(U16 *)0x31000000;//Non cacheable area 
    for(i=0;i<64;i++) 
	bufDst[i]=0; 
     
    isDma0Done=0; 
 
    rDISRC0=(int)(0x0);		// B0 
    rDISRCC0=(0<<1)+(0<<0);	// AHB, inc 
    rDIDST0=(U32)(bufDst);	// bufDst 
    rDIDSTC0=(0<<1)+(0<<0);	// AHB, inc 
    rDCON0=(0<<31)+(1<<30)+(1<<29)+(1<<28)+(0<<27)+(0<<24)+(1<<23)+(1<<22)+(1<<20)+16; 
    //Demand, sync HCLK, TC int, burst tx, single service, nXDREQ0, H/W request,  
    //auto-reload off, half-word, 64hw 
    rDMASKTRIG0=(0<<2)+(1<<1)+0;    //no-stop, DMA2 channel on, no-sw trigger  
 
    SET_XDREQDm(); 
    START_XDREQ(); 
     
    while(isDma0Done==0); 
     
    for(i=0;i<64;i++) 
    { 
	Uart_Printf("%4x,",*((U16 *)0x0+i)); 
	if(i%8==7) 
	    Uart_Printf("\n"); 
    } 
    Uart_Printf("\n"); 
 
    for(i=0;i<64;i++) 
    { 
    	Uart_Printf("%4x,",bufDst[i]); 
    	if(i%8==7)Uart_Printf("\n"); 
    } 
}