spi.c

2410TK测试代码

    tx_dma1Done=1;
    rINTMSK|=BIT_DMA1;
    ClearPending(BIT_DMA1);
}

//========================================================================
void Test_Spi_S_Rx_DMA1(void)
{
    int i;
    unsigned char *rx_ptr;
    SPI_Port_Init(0); // Slave(nSS) 
    Uart_Printf("[SPI DMA1 Slave Rx Test]\n");
    Uart_Printf("This test should be configured two boards\nStart Rx first.\n");
    rx_ptr=(unsigned char *) SPI_BUFFER;
    for(i=0;i<0x500;i++)
		*(rx_ptr+i)=0x0; // Zero Initialize
    rx_dma1Done=0;

    pISR_DMA1 = (unsigned)Dma1Rx_Int;
    rINTMSK=~(BIT_DMA1);

    //Step1. SPI init
    rSPPRE0=0x1;	//if PCLK=67.5Mhz,SPICLK=16.875Mhz
//    rSPCON0=(2<<5)|(0<<4)|(0<<3)|(1<<2)|(0<<1)|(1<<0);//DMA1,dis-SCK,slave,low,A,TAGD
    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
    rSPPIN0=(0<<2)|(1<<1)|(0<<0);//dis-ENMUL,SBO,release

    //Step2. DMA1 init 
    rDISRC1=(unsigned)0x59000014;//Address of SPRDAT Register
    rDISRCC1=(1<<1)|(1);		//APB(SPI), fix
    rDIDST1=(unsigned)rx_ptr;	//Address of Memory
    rDIDSTC1=(0<<1)|(0);		//AHB(Memory), inc
    rDCON1=(1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(3<<24)|(1<<23)|(1<<22)|(0<<20)|(spi_count);
    //handshake, sync PCLK, TC int, single tx, single service, SPI, H/W request, 
    //off-reload, byte, 128Bytes

    rDMASKTRIG1=(0<<2)|(1<<1)|(0);    //run, DMA1 channel on, no-sw trigger 

    while(rx_dma1Done==0);

    rSPCON0=(0<<5)|(0<<4)|(0<<3)|(1<<2)|(1<<1)|(0<<0);//poll,dis-SCK,slave,low,B,normal
    while(!rSPSTA0&0x1);
    *(rx_ptr+spi_count)=rSPRDAT0;
    rx_ptr=(unsigned char *) SPI_BUFFER;
    for(i=1;i<(spi_count+1);i++)
		Uart_Printf("0x%02x,",*(rx_ptr+i));
    Uart_Printf("\nDMA1 receive end");
    SPI_Port_Return();
}

//========================================================================
void __irq Dma1Rx_Int(void)
{
    rx_dma1Done=1;
    rINTMSK|=BIT_DMA1;
    ClearPending(BIT_DMA1);
}

//========================================================================
void Test_Spi_M_Rx_DMA1(void)
{
    int i;
    unsigned char *rx_ptr;
    SPI_Port_Init(1); // Master(GPIO)
    Uart_Printf("[SPI DMA1 Master Rx Test]\n");
    Uart_Printf("This test should be configured two boards\nStart Tx first.\n");

    rx_ptr=(unsigned char *)SPI_BUFFER;
    for(i=0;i<0x500;i++)
		*(rx_ptr+i)=0x0; // Zero Initialize
    rx_dma1Done=0;

    pISR_DMA1 = (unsigned)Dma1Rx_Int;
    rINTMSK=~(BIT_DMA1);
    //Step1. SPI init

    rSPPRE0=0x2;
    rSPCON0=(2<<5)|(1<<4)|(1<<3)|(1<<2)|(0<<1)|(1<<0);//DMA1,en-SCK,master,low,A,TAGD    
//    rSPCON0=(2<<5)|(1<<4)|(1<<3)|(1<<2)|(1<<1)|(1<<0);//DMA1,en-SCK,master,low,B,TAGD
    rGPGDAT&=0xfffffffb; // Activate nSS 
    //When you use [Master 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)0x59000014;//Address of SPRDAT Register
    rDISRCC1=(1<<1)|(1);		//APB(SPI), fix
    rDIDST1=(unsigned)rx_ptr;	//Address of Memory
    rDIDSTC1=(0<<1)|(0);		//AHB(Memory), inc
    rDCON1=(1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(3<<24)|(1<<23)|(1<<22)|(0<<20)|(spi_count);
    //handshake, sync PCLK, TC int, single tx, single service, SPI, H/W request, 
    //off-reload, byte, 128Bytes
    rDMASKTRIG1=(0<<2)|(1<<1)|(0);    //run, DMA1 channel on, no-sw trigger 

    while(rx_dma1Done==0);

    rSPCON0=(0<<5)|(1<<4)|(1<<3)|(1<<2)|(0<<1)|(0<<0);//poll,dis-SCK,master,low,A,normal
//    rSPCON0=(0<<5)|(1<<4)|(1<<3)|(1<<2)|(1<<1)|(0<<0);//poll,dis-SCK,master,low,B,normal

    while(!rSPSTA0&0x1);

    *(rx_ptr+spi_count)=rSPRDAT0;
    rx_ptr=(unsigned char *)SPI_BUFFER;
    rGPGDAT|=0x4; // Deactivate nSS 
    
    for(i=1;i<(spi_count+1);i++)
		Uart_Printf("0x%02x,",*(rx_ptr+i));//to remove first dummy data

    Uart_Printf("\nDMA1 receive end");
    SPI_Port_Return();
}

//========================================================================
void Test_Spi_S_Tx_DMA1(void)
{
    int i;
    unsigned char *tx_ptr;
    SPI_Port_Init(0); // Slave (nSS)
    Uart_Printf("[SPI DMA1 Slave Tx test]\n");
    Uart_Printf("This test should be configured two boards\nStart Tx first.\n");
    tx_ptr=(U8 *) SPI_BUFFER;
    for(i=0; i<spi_count; i++)
		*(tx_ptr+i)=i;
    tx_dma1Done=0;
    pISR_DMA1 = (unsigned)Dma1Tx_Int;
    rINTMSK=~(BIT_DMA1);

    //Step1. SPI init
    rSPPRE0=0x1;
    rSPCON0=(2<<5)|(0<<4)|(0<<3)|(1<<2)|(0<<1)|(0<<0);//DMA1,dis-SCK,slave,low,A,normal
//    rSPCON0=(2<<5)|(0<<4)|(0<<3)|(1<<2)|(1<<1)|(0<<0);//DMA1,dis-SCK,slave,low,B,normal
    rSPPIN0=(0<<2)|(1<<1)|(0<<0);//dis-ENMUL,SBO,release

    //Step2. DMA1 init 
    rDISRC1=(unsigned)tx_ptr;	//Address of Memory
    rDISRCC1=(0<<1)|(0);		//AHB(Memory), inc
    rDIDST1=(unsigned)0x59000010;//Address of SPTDAT Register
    rDIDSTC1=(1<<1)|(1);		//APB(SPI), fix
    rDCON1=(1<<31)|(0<<30)|(1<<29)|(0<<28)|(0<<27)|(3<<24)|(1<<23)|(1<<22)|(0<<20)|(spi_count);
    //handshake, sync PCLK, TC int, single tx, single service, SPI, H/W request, 
    //off-reload, byte, 128Bytes

    rDMASKTRIG1=(0<<2)|(1<<1)|(0);    //run, DMA1 channel on, no-sw trigger 


    while(tx_dma1Done==0);

    while(!(rSPSTA0&0x1)); // Tx is done
    rSPCON0=(0<<5)|(0<<4)|(0<<3)|(1<<2)|(0<<1)|(0<<0);//poll,dis-SCK,slave,low,A,normal
//    rSPCON0=(0<<5)|(0<<4)|(0<<3)|(1<<2)|(1<<1)|(0<<0);//poll,dis-SCK,slave,low,B,normal
    Uart_Printf("\nDMA1 transfer end\n");
    for(i=0; i<spi_count; i++)
		Uart_Printf("0x%02x,",*tx_ptr++);
    SPI_Port_Return();
}

//========================================================================
void Test_Spi_M_Int(void)
{
    char *rxStr,*txStr;
    SPI_Port_Init(1); // Master
    Uart_Printf("[SPI Interrupt Master Rx test]\n");
    Uart_Printf("This test should be configured two boards\nStart Tx first.\n");
    pISR_SPI0=(unsigned)Spi_Int;
    endSpiTx=0;
    spiTxStr="1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
    spiRxStr=(char *) SPI_BUFFER;
    txStr=(char *)spiTxStr;
    rxStr=(char *)spiRxStr;
    rSPPRE0=0x2;	
    rSPCON0=(1<<5)|(1<<4)|(1<<3)|(1<<2)|(0<<1)|(0<<0);//int,en-SCK,master,low,A,normal
//    rSPCON0=(1<<5)|(1<<4)|(1<<3)|(1<<2)|(1<<1)|(0<<0);//int,en-SCK,master,low,B,normal
    rSPPIN0=(0<<2)|(1<<1)|(0<<0);//dis-ENMUL,SBO,release
    rGPGDAT&=0xfffffffb; // Activate nSS 
    rINTMSK=~(BIT_SPI0);

    while(endSpiTx==0);

    rGPGDAT|=0x4; // Deactivate nSS 
    rSPCON0=(0<<5)|(0<<4)|(1<<3)|(1<<2)|(0<<1)|(0<<0);//Poll,dis-SCK,master,low,A,normal
//    rSPCON0=(0<<5)|(0<<4)|(1<<3)|(1<<2)|(1<<1)|(0<<0);//Poll,dis-SCK,master,low,B,normal
    *spiRxStr='\0';//attach End of String(Null)
    Uart_Printf("Tx Strings: %s\n",txStr);
    Uart_Printf("Rx Strings: %s :",rxStr+1);//remove first dummy data
    if(strcmp((rxStr+1),txStr)==0)
        Uart_Printf("O.K.\n");
    else 
        Uart_Printf("ERROR!!!\n");
    SPI_Port_Return();
}

//========================================================================
void Test_Spi_S_Int(void)
{
    char *rxStr,*txStr;
    SPI_Port_Init(0); // Slave (nSS)
    Uart_Printf("[SPI Interrupt Slave Tx test]\n");
    Uart_Printf("This test should be configured two boards\nStart Tx first.\n");
    pISR_SPI0=(unsigned)Spi_Int;
    endSpiTx=0;
    spiTxStr="1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
    spiRxStr=(char *) SPI_BUFFER;
    txStr=(char *)spiTxStr;
    rxStr=(char *)spiRxStr;
    rSPPRE0=0x1;	
    rSPCON0=(1<<5)|(0<<4)|(0<<3)|(1<<2)|(0<<1)|(0<<0);//int,dis-SCK,slave,low,A,normal
//    rSPCON0=(1<<5)|(0<<4)|(0<<3)|(1<<2)|(1<<1)|(0<<0);//int,dis-SCK,slave,low,B,normal
    rSPPIN0=(0<<2)|(1<<1)|(0<<0);//dis-ENMUL,SBO,release
    rINTMSK=~(BIT_SPI0);

    while(endSpiTx==0);

    rSPCON0=(0<<5)|(0<<4)|(0<<3)|(1<<2)|(0<<1)|(0<<0);//Poll,dis-SCK,master,low,A,normal
//    rSPCON0=(0<<5)|(0<<4)|(0<<3)|(1<<2)|(1<<1)|(0<<0);//Poll,dis-SCK,master,low,B,normal
    *spiRxStr='\0';//attach End of String(Null)
    Uart_Printf("Tx Strings: %s\n",txStr);
    Uart_Printf("Rx Strings: %s :",rxStr+1);//remove first dummy data
    if(strcmp((rxStr+1),txStr)==0)
        Uart_Printf("O.K.\n");
    else 
        Uart_Printf("ERROR!!!\n");
    SPI_Port_Return();
}