?? sdi.c
字號:
rSDIDSTA=0xff;
STWCMD12:
//--Stop cmd(CMD12)
//SDIDCON BlkNum [11: 0] = block : Block Number (0~4095).
//SDIDCON Data Transfer Mode (DatMode) [13:12] = 1 : only busy check start
//SDIDCON Stop by force (STOP) [14 ] = 0 : normal
//SDIDCON DMA Enable(EnDMA) [15 ] = 0 : disable(polling),
//SDIDCON Wide bus enable (WideBus) [16 ] = 0 : standard bus mode(only SDIDAT[0] used),
//SDIDCON Block mode (BlkMode) [17 ] = 1 : blk
//SDIDCON Busy AfterCommand(BACMD) [18 ] = 1 : after command sent (assume DatMode sets to 2’b01)
//SDIDCON Receive After Command (RACMD) [19 ] = 1 : Rx after cmd
//SDIDCON Transmit After Response(TARSP) [20 ] = 0 : directly after DatMode set,
//SDIDCON SDIO InterruptPeriodType(PrdType)[21 ] = 0 : exactly 2 cycle,
rSDIDCON=(1<<18)|(1<<17)|(0<<16)|(1<<12);
//SDICARG CmdArg [31:0] = 0 : Command Argument
rSDICARG=0x0; //CMD12(stuff bit)
//SDICCON CmdIndex [7:0] = 0X4c : CMD12
//SDICCON Command Start(CMST) [8 ] = 1 : command start
//SDICCON WaitRsp [9 ] = 1 : wait_resp
//SDICCON LongRsp [10 ] = 0 : short response
rSDICCON=(0x1<<9)|(0x1<<8)|0x4c; //sht_resp, wait_resp, start, CMD12
//-- Check end of CMD12
if(!Chk_CMDend(12, 1))
goto STWCMD12;
//rSDICSTA=0xa00; // Clear cmd_end(with rsp)
//-- Check end of DATA(with busy state)
if(!Chk_BUSYend())
Uart_Printf("error\n");
//SDIDSTA Rx Data Progress On (RxDatOn) [0 ] R : Data receive in progress.
//SDIDSTA Tx Data progress On (TxDatOn) [1 ] R : Data transmit in progress.
//SDIDSTA Start Bit Error (SbitErr) [2 ] =0 : not detect,
//SDIDSTA Busy Finish (BusyFin) [3 ] =1 : busy finish detect
//SDIDSTA Data Transfer Finish (DatFin) [4 ] =0 : not detect,
//SDIDSTA Data Time Out (DatTout) [5 ] =0 : not detect,
//SDIDSTA Data Receive CRC Fail (DatCrc)[6 ] =0 : not detect,
//SDIDSTA CRC Status Fail(CrcSta) [7 ] =0 : not detect,
//SDIDSTA FIFO Fail error (FFfail) [8 ] =0 : not detect,
//SDIDSTA SDIO InterruptDetect(IOIntDet)[9 ] =0 : not detect,
//SDIDSTA Data Time Out (DatTout) [10] =0 : not occur,
rSDIDSTA=0x08;
Uart_Printf("\n--End Stream write test\n");
}
int Chk_CMDend(int cmd, int be_resp)
//0: Timeout
{
int finish0;
if(!be_resp) // No response
{
//SDICSTA RspIndex [7:0] R Response index 6bit with start 2bit (8bit)
//SDICSTA CMD line progress On (CmdOn) [8 ] R Command transfer in progress.
//SDICSTA Response Receive End (RspFin)[9 ] = 1 : response end
// = 0 : not detect,
//SDICSTA Command Time Out (CmdTout) [10 ] = 1 : timeout
// = 0 : not detect
//SDICSTA Command Sent (CmdSent) [11 ] = 1 : command end
// = 0 : not detect
//SDICSTA Response CRC Fail(RspCrc [12 ] = 1 : crc fail
// = 0 : not detect
finish0=rSDICSTA;
while((finish0&0x800)!=0x800) // Check cmdend==1,
finish0=rSDICSTA;
rSDICSTA=finish0;// Clear cmd end state
return 1;
}
else // With response
{
finish0=rSDICSTA;
while( !( ((finish0&0x200)==0x200) | ((finish0&0x400)==0x400) )) // Check cmd/rsp end
finish0=rSDICSTA;
if(cmd==1 | cmd==9 | cmd==41) // CRC no check
{
if( (finish0&0xf00) != 0xa00 ) // Check error
{
rSDICSTA=finish0; // Clear error state
if(((finish0&0x400)==0x400))
return 0; // Timeout error
}
rSDICSTA=finish0; // Clear cmd & rsp end state
}
else // CRC check
{
if( (finish0&0x1f00) != 0xa00 ) // Check error
{
Uart_Printf("CMD%d:rSDICSTA=0x%x, rSDIRSP0=0x%x\n",cmd, rSDICSTA, rSDIRSP0);
rSDICSTA=finish0; // Clear error state
if(((finish0&0x400)==0x400))
return 0; // Timeout error
}
rSDICSTA=finish0;
}
return 1;
}
}
int Chk_DATend(void)
{
int finish;
finish=rSDIDSTA;
while( !( ((finish&0x10)==0x10) | ((finish&0x20)==0x20) ))
// Chek timeout or data end
finish=rSDIDSTA;
if( (finish&0xfc) != 0x10 )
{
Uart_Printf("DATA:finish=0x%x\n", finish);
rSDIDSTA=0xec; // Clear error state
return 0;
}
return 1;
}
int Chk_BUSYend(void)
{
int finish;
finish=rSDIDSTA;
while( !( ((finish&0x08)==0x08) | ((finish&0x20)==0x20) ))
finish=rSDIDSTA;
if( (finish&0xfc) != 0x08 )
{
Uart_Printf("DATA:finish=0x%x\n", finish);
rSDIDSTA=0xf4; //clear error state
return 0;
}
return 1;
}
void CMD0(void)
{
//-- Make card idle state
//SDICARG CmdArg [31:0] = 0 : Command Argument
rSDICARG=0x0; // CMD0(stuff bit)
//SDICCON CmdIndex [7:0] = 0X40 : CMD0
//SDICCON Command Start(CMST) [8 ] = 1 : command start
rSDICCON=(1<<8)|0x40;
//-- Check end of CMD0
Chk_CMDend(0, 0);
//rSDICSTA=0x800; // Clear cmd_end(no rsp)
}
int Chk_MMC_OCR(void)
{
int i;
//-- Negotiate operating condition for MMC, it makes card ready state
for(i=0;i<15;i++)
{
//SDICARG CmdArg [31:0] = 0 : Command Argument
rSDICARG=0xffc000; //CMD1(OCR:2.6V~3.6V)
// rSDICARG=0xff8000; //CMD1(OCR:2.7V~3.6V)
//SDICCON CmdIndex [7:0] = 0X41 : CMD1
//SDICCON Command Start(CMST) [8 ] = 1 : command start
//SDICCON WaitRsp [9 ] = 1 : wait_resp
//SDICCON LongRsp [10 ] = 0 : short response
rSDICCON=(0x1<<9)|(0x1<<8)|0x41;
//-- Check end of CMD1
if(Chk_CMDend(1, 1) & rSDIRSP0==0x80ffc000)
// if(Chk_CMDend(1, 1) & rSDIRSP0==0x80ff8000)
{
//rSDICSTA=0xa00; // Clear cmd_end(with rsp)
return 1; // Success
}
}
//rSDICSTA=0xa00; // Clear cmd_end(with rsp)
return 0; // Fail
}
int Chk_SD_OCR(void)
{
int i,j=0;
//-- Negotiate operating condition for SD, it makes card ready state
for(i=0;i<15;i++)
{
CMD55(); // Make ACMD
rSDICARG=0xff8000; //ACMD41(OCR:2.7V~3.6V)
rSDICCON=(0x1<<9)|(0x1<<8)|0x69;//sht_resp, wait_resp, start, ACMD41
//-- Check end of ACMD41
if( Chk_CMDend(41, 1) & rSDIRSP0==0x80ff8000 )
{
//rSDICSTA=0xa00; // Clear cmd_end(with rsp)
return 1; // Success
}
Delay(200); // Wait Card power up status
}
//Uart_Printf("SDIRSP0=0x%x\n",rSDIRSP0);
//rSDICSTA=0xa00; // Clear cmd_end(with rsp)
return 0; // Fail
}
int CMD55(void)
{
//--Make ACMD
//SDICARG CmdArg [31:0] = 0 : Command Argument
rSDICARG=RCA<<16; //CMD7(RCA,stuff bit)
//SDICCON CmdIndex [7:0] = 0X77 : CMD55
//SDICCON Command Start(CMST) [8 ] = 1 : command start
//SDICCON WaitRsp [9 ] = 1 : wait_resp
//SDICCON LongRsp [10 ] = 0 : short response
rSDICCON=(0x1<<9)|(0x1<<8)|0x77; //sht_resp, wait_resp, start, CMD55
//-- Check end of CMD55
if(!Chk_CMDend(55, 1))
return 0;
//rSDICSTA=0xa00; // Clear cmd_end(with rsp)
return 1;
}
int CMD13(void)//SEND_STATUS
{
int response0;
//SDICARG CmdArg [31:0] = 0 : Command Argument
rSDICARG=RCA<<16; // CMD13(RCA,stuff bit)
//SDICCON CmdIndex [7:0] = 0X4d : CMD13
//SDICCON Command Start(CMST) [8 ] = 1 : command start
//SDICCON WaitRsp [9 ] = 1 : wait_resp
//SDICCON LongRsp [10 ] = 0 : short response
rSDICCON=(0x1<<9)|(0x1<<8)|0x4d; // sht_resp, wait_resp, start, CMD13
//-- Check end of CMD13
if(!Chk_CMDend(13, 1))
return 0;
//Uart_Printf("rSDIRSP0=0x%x\n", rSDIRSP0);
if(rSDIRSP0&0x100)
Uart_Printf("Ready for Data\n");
else
Uart_Printf("Not Ready\n");
response0=rSDIRSP0;
response0 &= 0x3c00;
response0 = response0 >> 9;
Uart_Printf("Current Status=%d\n", response0);
if(response0==6)
Test_SDI();
//rSDICSTA=0xa00; // Clear cmd_end(with rsp)
return 1;
}
int CMD9(void)//SEND_CSD
{
//SDICARG CmdArg [31:0] = 0 : Command Argument
rSDICARG=RCA<<16; // CMD9(RCA,stuff bit)
//SDICCON CmdIndex [7:0] = 0X49 : CMD9
//SDICCON Command Start(CMST) [8 ] = 1 : command start
//SDICCON WaitRsp [9 ] = 1 : wait_resp
//SDICCON LongRsp [10 ] = 1 : long response
rSDICCON=(0x1<<10)|(0x1<<9)|(0x1<<8)|0x49;
Uart_Printf("\n****CSD register****\n");
//-- Check end of CMD9
if(!Chk_CMDend(9, 1))
return 0;
Uart_Printf(" SDIRSP0=0x%x\n SDIRSP1=0x%x\n SDIRSP2=0x%x\n SDIRSP3=0x%x\n", rSDIRSP0,rSDIRSP1,rSDIRSP2,rSDIRSP3);
return 1;
}
void Set_1bit_bus(void)
{
Wide=0;
if(!MMC)
SetBus();
Uart_Printf("\n****1bit bus****\n");
}
void Set_4bit_bus(void)
{
Wide=1;
SetBus();
Uart_Printf("\n****4bit bus****\n");
}
void SetBus(void)
{
SET_BUS:
CMD55(); // Make ACMD
//-- CMD6 implement
//SDICARG CmdArg [31:0] = 0 : Command Argument
rSDICARG=Wide<<1; //Wide 0: 1bit, 1: 4bit
//SDICCON CmdIndex [7:0] = 0X46 : CMD55
//SDICCON Command Start(CMST) [8 ] = 1 : command start
//SDICCON WaitRsp [9 ] = 1 : wait_resp
//SDICCON LongRsp [10 ] = 0 : short response
rSDICCON=(0x1<<9)|(0x1<<8)|0x46; //sht_resp, wait_resp, start, CMD55
if(!Chk_CMDend(6, 1)) // ACMD6
goto SET_BUS;
//rSDICSTA=0xa00; // Clear cmd_end(with rsp)
}
void Set_Prt(void)
{
//-- Set protection addr.0 ~ 262144(32*16*512)
Uart_Printf("[Set protection(addr.0 ~ 262144) test]\n");
RECMD28:
//--Make ACMD
//SDICARG CmdArg [31:0] = 0 : Command Argument
rSDICARG=0; // CMD28(addr)
//SDICCON CmdIndex [7:0] = 0X5c : CMD28
//SDICCON Command Start(CMST) [8 ] = 1 : command start
//SDICCON WaitRsp [9 ] = 1 : wait_resp
//SDICCON LongRsp [10 ] = 0 : short response
rSDICCON=(0x1<<9)|(0x1<<8)|0x5c; //sht_resp, wait_resp, start, CMD28
//-- Check end of CMD28
if(!Chk_CMDend(28, 1))
goto RECMD28;
//rSDICSTA=0xa00; // Clear cmd_end(with rsp)
}
void Clr_Prt(void)
{
//-- Clear protection addr.0 ~ 262144(32*16*512)
Uart_Printf("[Clear protection(addr.0 ~ 262144) test]\n");
RECMD29:
//--Make ACMD
//SDICARG CmdArg [31:0] = 0 : Command Argument
rSDICARG=0; // CMD29(addr)
//SDICCON CmdIndex [7:0] = 0X5d : CMD29
//SDICCON Command Start(CMST) [8 ] = 1 : command start
//SDICCON WaitRsp [9 ] = 1 : wait_resp
//SDICCON LongRsp [10 ] = 0 : short response
rSDICCON=(0x1<<9)|(0x1<<8)|0x5d; //sht_resp, wait_resp, start, CMD29
//-- Check end of CMD29
if(!Chk_CMDend(29, 1))
goto RECMD29;
//rSDICSTA=0xa00; // Clear cmd_end(with rsp)
}
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