📄 main.c
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SendCmdWaitIdle(0x52a,0x80ff8000,0xfff); //ACMD41
}while(*(RP)SDC_RESPONSE0<0X80008000);
SendCmdWaitRespIni(0x49,0X0,0X0,0x0,0x0,0Xfff);//CMD2
SendCmdWaitRespIni(0x6a,0X0,0X0,0x0,0x0,0Xfff);//CMD3
rca=*(RP)SDC_RESPONSE0;
SendCmdWaitRespIni(0xea,rca,0X0,0x0,0x0,0Xfff);//CMD7
return rca;
}
/*************************************************************
* FUNCTION
*
* void SdSingleW1r1(U32 rca)
*
* DESCRIPTION
*
* 单块一位写一位读
*
* AUTHOR
*
* yao
*
* INPUTS
*
* rca SD卡的rca地址号
*
* OUTPUTS
*
* 无
*
*************************************************/
void SdSingleW1r1(U32 rca)
{
U32 i,complete;
erase();//擦除
//***********************配置DMA2进行一位写*************************
*(RP)DMAC_C2SRCADDR = MEM_BLOCK_BEGIN;
*(RP)DMAC_C2DESTADDR = SDC_WRITE_BUFER_ACCESS;
*(RP)DMAC_C2CONTROL = 0x20149b; //0x1e149b
*(RP)DMAC_C2CONFIGURATION = 0x380b;
//配置SD卡位单线传输模式
SendCmdWaitIdle(0x6ea,rca,0xfff);//CMD55
SendCmdWaitIdle(0xca,0x0,0xfff); //ACMD6
//发送单块写命令
SendCmdWaitResp(0x30e,0x00000000,0X2,0x0200,0x1,0Xfff); //CMD24 1bit mode
complete = *(RP)SDC_INTERRUPT_STATUS;
while((complete |0xfffffffe) !=0xfffffffe)
{
printf("CRC ERROR");
complete = *(RP)SDC_INTERRUPT_STATUS;
}
for (i=0;i<500;i++);
//***********************配置DMA2进行一位读*************************
*(RP)DMAC_C2SRCADDR = SDC_READ_BUFER_ACCESS;
*(RP)DMAC_C2DESTADDR = END(0);
*(RP)DMAC_C2CONTROL = 0x20249b;
*(RP)DMAC_C2CONFIGURATION = 0x38d;
//发送单块读命令
SendCmdWaitResp(0x22e,0x00000000,0X0,0x0200,0x1,0Xfff); //CMD17 1bit mode
complete = *(RP)SDC_INTERRUPT_STATUS;
while((complete |0xfffffffd) !=0xfffffffd)
{
printf("CRC ERROR");
complete = *(RP)SDC_INTERRUPT_STATUS;
}
CompareMem(MEM_BLOCK_BEGIN,END(0),0x200);
}
/*************************************************************
* FUNCTION
*
* void SdSingleW1r4(U32 rca)
*
* DESCRIPTION
*
* 单块一位写四位读
*
* AUTHOR
*
* yao
*
* INPUTS
*
* rca SD卡的rca地址号
*
* OUTPUTS
*
* 无
*
*************************************************/
void SdSingleW1r4(U32 rca)
{
U32 i,complete;
erase();//擦除
//***********************配置DMA1进行一位写*************************
*(RP)DMAC_C2SRCADDR = MEM_BLOCK_BEGIN;
*(RP)DMAC_C2DESTADDR = SDC_WRITE_BUFER_ACCESS;
*(RP)DMAC_C2CONTROL = 0x20149b; //0x1e149b
*(RP)DMAC_C2CONFIGURATION = 0x380b;
SendCmdWaitIdle(0x6ea,rca,0xfff);//CMD55
SendCmdWaitIdle(0xca,0x0,0xfff); //ACMD6
SendCmdWaitResp(0x30e,0x00000000,0X2,0x0200,0x1,0Xfff); //CMD24 1bit mode
complete = *(RP)SDC_INTERRUPT_STATUS;
while((complete |0xfffffffe) !=0xfffffffe)
{
printf("CRC ERROR");
complete = *(RP)SDC_INTERRUPT_STATUS;
}
for (i=0;i<5000;i++);
//***********************配置DMA1进行*************************
*(RP)DMAC_C2SRCADDR = SDC_READ_BUFER_ACCESS;
*(RP)DMAC_C2DESTADDR = END(1);
*(RP)DMAC_C2CONTROL = 0x20249b;
*(RP)DMAC_C2CONFIGURATION = 0x38d;
SendCmdWaitIdle(0x6ea,rca,0xfff);//CMD55
SendCmdWaitIdle(0xca,0x2,0xfff); //ACMD6
//***********************配置DMA1进行四位读*************************
SendCmdWaitResp(0x22e,0x00000000,0X1,0x0200,0x1,0Xfff); //CMD17 4bit mode
complete = *(RP)SDC_INTERRUPT_STATUS;
while((complete |0xfffffffd) !=0xfffffffd)
{
printf("CRC ERROR");
complete = *(RP)SDC_INTERRUPT_STATUS;
}
CompareMem(MEM_BLOCK_BEGIN,END(1),0x200);
}
/*************************************************************
* FUNCTION
*
* void SdSingleW4r1(U32 rca)
*
* DESCRIPTION
*
* 单块四位写一位读
*
* AUTHOR
*
* yao
*
* INPUTS
*
* rca SD卡的rca地址号
*
* OUTPUTS
*
* 无
*
*************************************************/
void SdSingleW4r1(U32 rca)
{
U32 i,complete;
erase();//擦除
//***********************配置DMA1进行一位写*************************
*(RP)DMAC_C2SRCADDR = MEM_BLOCK_BEGIN;
*(RP)DMAC_C2DESTADDR = SDC_WRITE_BUFER_ACCESS;
*(RP)DMAC_C2CONTROL = 0x20149b; //0x1e149b
*(RP)DMAC_C2CONFIGURATION = 0x380b;
SendCmdWaitIdle(0x6ea,rca,0xfff);//CMD55
SendCmdWaitIdle(0xca,0x2,0xfff); //ACMD6
SendCmdWaitResp(0x30e,0x00000000,0X3,0x0200,0x1,0Xfff); //CMD24 1bit mode
complete = *(RP)SDC_INTERRUPT_STATUS;
while((complete |0xfffffffe) !=0xfffffffe)
{
printf("CRC ERROR");
complete = *(RP)SDC_INTERRUPT_STATUS;
}
for (i=0;i<5000;i++);
*(RP)DMAC_C2SRCADDR = SDC_READ_BUFER_ACCESS;
*(RP)DMAC_C2DESTADDR = END(2);
*(RP)DMAC_C2CONTROL = 0x20249b;//0x2024ad;//
*(RP)DMAC_C2CONFIGURATION = 0x38d;
SendCmdWaitIdle(0x6ea,rca,0xfff);//CMD55
SendCmdWaitIdle(0xca,0x0,0xfff); //ACMD6
//***********************配置DMA1进行一位读*************************
SendCmdWaitResp(0x22e,0x00000000,0X0,0x0200,0x1,0Xfff); //CMD17 1bit mode
complete = *(RP)SDC_INTERRUPT_STATUS;
while((complete |0xfffffffd) !=0xfffffffd)
{
printf("CRC ERROR");
complete = *(RP)SDC_INTERRUPT_STATUS;
}
CompareMem(MEM_BLOCK_BEGIN,END(2),0x200);
for (i=0;i<10000;i++);
}
/*************************************************************
* FUNCTION
*
* void SdSingleW4r4(U32 rca)
*
* DESCRIPTION
*
* 单块四位写四位读
*
* AUTHOR
*
* yao
*
* INPUTS
*
* rca SD卡的rca地址号
*
* OUTPUTS
*
* 无
*
*************************************************/
void SdSingleW4r4(U32 rca)
{
U32 i,complete;
erase();//擦除
//***********************配置DMA1进行一位写*************************
*(RP)DMAC_C2SRCADDR = MEM_BLOCK_BEGIN;
*(RP)DMAC_C2DESTADDR = SDC_WRITE_BUFER_ACCESS;
*(RP)DMAC_C2CONTROL = 0x20149b; //0x1e149b
*(RP)DMAC_C2CONFIGURATION = 0x380b;
SendCmdWaitIdle(0x6ea,rca,0xfff);//CMD55
SendCmdWaitIdle(0xca,0x2,0xfff); //ACMD6
SendCmdWaitResp(0x30e,0x00000000,0X3,0x0200,0x1,0Xfff); //CMD24 1bit mode
complete = *(RP)SDC_INTERRUPT_STATUS;
while ((complete & 0x00000040) != 0x00000040)
{
complete = *(RP)SDC_INTERRUPT_STATUS;
}
while((complete |0xfffffffe) != 0xfffffffe)
{
printf("CRC ERROR");
complete = *(RP)SDC_INTERRUPT_STATUS;
}
for (i=0;i<5000;i++);
*(RP)DMAC_C2SRCADDR = SDC_READ_BUFER_ACCESS;
*(RP)DMAC_C2DESTADDR = END(3);
*(RP)DMAC_C2CONTROL = 0x20249b;//0x2024ad;//
*(RP)DMAC_C2CONFIGURATION = 0x38d;
SendCmdWaitIdle(0x6ea,rca,0xfff);//CMD55
SendCmdWaitIdle(0xca,0x2,0xfff); //ACMD6
//***********************配置DMA1进行一位读*************************
SendCmdWaitResp(0x22e,0x00000000,0X1,0x0200,0x1,0Xfff); //CMD17 1bit mode
complete = *(RP)SDC_INTERRUPT_STATUS;
while((complete |0xfffffffd) != 0xfffffffd)
{
printf("CRC ERROR");
complete = *(RP)SDC_INTERRUPT_STATUS;
}
CompareMem(MEM_BLOCK_BEGIN,END(3),0x200);
}
/*************************************************************
* FUNCTION
*
* void SdMultiW1r1(U32 rca)
*
* DESCRIPTION
*
* 多块一位写一位读
*
* AUTHOR
*
* yao
*
* INPUTS
*
* rca SD卡的rca地址号
*
* OUTPUTS
*
* 无
*
*************************************************/
void SdMultiW1r1(U32 rca)
{
U32 i,complete;
erase();//擦除
//***********************配置DMA1进行一位写*************************
*(RP)DMAC_C2SRCADDR = MEM_BLOCK_BEGIN;
*(RP)DMAC_C2DESTADDR = SDC_WRITE_BUFER_ACCESS;
*(RP)DMAC_C2CONTROL = 0x80149b;
*(RP)DMAC_C2CONFIGURATION = 0x380b;
SendCmdWaitIdle(0x6ea,rca,0xfff);//CMD55
SendCmdWaitIdle(0xca,0x0,0xfff); //ACMD6 配置传输模式为单线模式
SendCmdWaitResp(0x32e,0,0X2,0x0200,0x4,0Xfff); // CMD25 多块写命令 1bit mode
SendCmdWaitIdle(0x18a,0x0,0xfff); //stop CMD12 多块传输需要发送stop命令以停止传输
complete = *(RP)SDC_INTERRUPT_STATUS;
while((complete |0xfffffffe) != 0xfffffffe)
{
printf("CRC ERROR");
complete = *(RP)SDC_INTERRUPT_STATUS;
}
//***********************配置DMA1进行一位读*************************
*(RP)DMAC_C2SRCADDR = SDC_READ_BUFER_ACCESS;
*(RP)DMAC_C2DESTADDR = END(4);
*(RP)DMAC_C2CONTROL = 0x80249b;
*(RP)DMAC_C2CONFIGURATION = 0x38d;
SendCmdWaitIdle(0x6ea,rca,0xfff);//CMD55
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