#include "user.h" #define CMD0 (0) /* GO_IDLE_STATE */ #define CMD1 (1) /* SEND_OP_COND */ #define CMD2 (2) #define ACMD41 (0x80+41) /* SEND_OP_COND (SDC) */ #define CMD8 (8) /* SEND_IF_COND */ #define CMD9 (9) /* SEND_CSD */ #define CMD10 (10) /* SEND_CID */ #define CMD12 (12) /* STOP_TRANSMISSION */ #define CMD13 (13) /* SEND_STATUS */ #define ACMD13 (0x80+13) /* SD_STATUS (SDC) */ #define CMD16 (16) /* SET_BLOCKLEN */ #define CMD17 (17) /* READ_SINGLE_BLOCK */ #define CMD18 (18) /* READ_MULTIPLE_BLOCK */ #define CMD23 (23) /* SET_BLOCK_COUNT */ #define ACMD23 (0x80+23) /* SET_WR_BLK_ERASE_COUNT (SDC) */ #define CMD24 (24) /* WRITE_BLOCK */ #define CMD25 (25) /* WRITE_MULTIPLE_BLOCK */ #define CMD32 (32) /* ERASE_ER_BLK_START */ #define CMD33 (33) /* ERASE_ER_BLK_END */ #define CMD38 (38) /* ERASE */ #define CMD55 (55) /* APP_CMD */ #define CMD58 (58) /* READ_OCR */ #define SD_CMD_GO_IDLE_STATE 0 /* CMD0 = 0x40 */ #define SD_CMD_SEND_OP_COND 1 /* CMD1 = 0x41 */ #define SD_CMD_SEND_IF_COND 8 /* CMD8 = 0x48 */ #define SD_CMD_SEND_CSD 9 /* CMD9 = 0x49 */ #define SD_CMD_SEND_CID 10 /* CMD10 = 0x4A */ #define SD_CMD_STOP_TRANSMISSION 12 /* CMD12 = 0x4C */ #define SD_CMD_SEND_STATUS 13 /* CMD13 = 0x4D */ #define SD_CMD_SET_BLOCKLEN 16 /* CMD16 = 0x50 */ #define SD_CMD_READ_SINGLE_BLOCK 17 /* CMD17 = 0x51 */ #define SD_CMD_READ_MULT_BLOCK 18 /* CMD18 = 0x52 */ #define SD_CMD_SET_BLOCK_COUNT 23 /* CMD23 = 0x57 */ #define SD_CMD_WRITE_SINGLE_BLOCK 24 /* CMD24 = 0x58 */ #define SD_CMD_WRITE_MULT_BLOCK 25 /* CMD25 = 0x59 */ #define SD_CMD_PROG_CSD 27 /* CMD27 = 0x5B */ #define SD_CMD_SET_WRITE_PROT 28 /* CMD28 = 0x5C */ #define SD_CMD_CLR_WRITE_PROT 29 /* CMD29 = 0x5D */ #define SD_CMD_SEND_WRITE_PROT 30 /* CMD30 = 0x5E */ #define SD_CMD_SD_ERASE_GRP_START 32 /* CMD32 = 0x60 */ #define SD_CMD_SD_ERASE_GRP_END 33 /* CMD33 = 0x61 */ #define SD_CMD_UNTAG_SECTOR 34 /* CMD34 = 0x62 */ #define SD_CMD_ERASE_GRP_START 35 /* CMD35 = 0x63 */ #define SD_CMD_ERASE_GRP_END 36 /* CMD36 = 0x64 */ #define SD_CMD_UNTAG_ERASE_GROUP 37 /* CMD37 = 0x65 */ #define SD_CMD_ERASE 38 /* CMD38 = 0x66 */ #define SD_CMD_SD_APP_OP_COND 41 /* CMD41 = 0x69 */ #define SD_CMD_APP_CMD 55 /* CMD55 = 0x77 */ #define SD_CMD_READ_OCR 58 /* CMD55 = 0x79 */ #define SD_DEFAULT_BLOCK_SIZE (512) #define SD_DBG DBG_INFO enum { DEV_SDCARD_SPI_DONE = SERVICE_EVENT_ID_START + 1, SDCARD_STATE_IDLE = 0, SDCARD_STATE_RUN, SDCARD_STATE_READ, SDCARD_STATE_WRITE, }; static void SDHC_SpiCS(SDHC_SPICtrlStruct *Ctrl, uint8_t OnOff) { uint8_t Temp[1] = {0xff}; GPIO_Output(Ctrl->CSPin, !OnOff); if (!OnOff) { SPI_BlockTransfer(Ctrl->SpiID, Temp, Temp, 1); } } static int32_t SPIFlash_SpiIrqCB(void *pData, void *pParam) { SDHC_SPICtrlStruct *Ctrl = (SDHC_SPICtrlStruct *)pParam; #ifdef __BUILD_OS__ if (Ctrl->NotifyTask) { Task_SendEvent(Ctrl->NotifyTask, DEV_SDHC_SPI_DONE, 0, 0, 0); } #endif return 0; } static uint8_t CRC7(uint8_t * chr, int cnt) { int i,a; uint8_t crc,Data; crc=0; for (a=0;aNotifyTask && Ctrl->TaskCB) { Ctrl->SPIError = 0; SPI_SetCallbackFun(Ctrl->SpiID, SPIFlash_SpiIrqCB, Ctrl); SPI_Transfer(Ctrl->SpiID, Buf, Buf, TxLen, Ctrl->IsSpiDMAMode); if (Task_GetEvent(Ctrl->NotifyTask, DEV_SDHC_SPI_DONE, &Event, Ctrl->TaskCB, TxLen * CORE_TICK_1US + CORE_TICK_1MS)) { Ctrl->SPIError = 1; SPI_TransferStop(Ctrl->SpiID); } SPI_SetCallbackFun(Ctrl->SpiID, NULL, NULL); } else #endif { SPI_BlockTransfer(Ctrl->SpiID, Buf, Buf, TxLen); } } static int32_t SDHC_SpiCmd(SDHC_SPICtrlStruct *Ctrl, uint8_t Cmd, uint32_t Arg, uint8_t NeedStop) { uint64_t OpEndTick; uint8_t i, TxLen, DummyLen; int32_t Result = -ERROR_OPERATION_FAILED; SDHC_SpiCS(Ctrl, 1); Ctrl->TempData[0] = 0x40|Cmd; BytesPutBe32(Ctrl->TempData + 1, Arg); Ctrl->TempData[5] = CRC7(Ctrl->TempData, 5); memset(Ctrl->TempData + 6, 0xff, 8); TxLen = 14; if (Ctrl->IsPrintData) { DBG_HexPrintf(Ctrl->TempData, TxLen); } Ctrl->SPIError = 0; Ctrl->SDHCError = 0; SDHC_SpiXfer(Ctrl, Ctrl->TempData, TxLen); if (Ctrl->IsPrintData) { DBG_HexPrintf(Ctrl->TempData, TxLen); } for(i = 7; i < TxLen; i++) { if (Ctrl->TempData[i] != 0xff) { Ctrl->SDHCState = Ctrl->TempData[i]; if ((Ctrl->SDHCState == !Ctrl->IsInitDone) || !Ctrl->SDHCState) { Result = ERROR_NONE; } DummyLen = TxLen - i - 1; memcpy(Ctrl->ExternResult, &Ctrl->TempData[i + 1], DummyLen); Ctrl->ExternLen = DummyLen; break; } } if (NeedStop) { SDHC_SpiCS(Ctrl, 0); } return Result; } static int32_t SDHC_SpiReadRegData(SDHC_SPICtrlStruct *Ctrl, uint8_t *RegDataBuf, uint8_t DataLen) { uint64_t OpEndTick; int Result = ERROR_NONE; uint16_t DummyLen; uint16_t i,findResult; Ctrl->SPIError = 0; Ctrl->SDHCError = 0; OpEndTick = GetSysTick() + Ctrl->SDHCReadBlockTo; findResult = 0; for(i = 0; i < Ctrl->ExternLen; i++) { if (0xfe == Ctrl->ExternResult[i]) { DummyLen = Ctrl->ExternLen - i - 1; if (Ctrl->IsPrintData) { DBG_HexPrintf(&Ctrl->ExternResult[i], DummyLen + 1); } memcpy(RegDataBuf, &Ctrl->ExternResult[i + 1], DummyLen); memset(RegDataBuf + DummyLen, 0xff, DataLen - DummyLen); SDHC_SpiXfer(Ctrl, RegDataBuf + DummyLen, DataLen - DummyLen); if (Ctrl->IsPrintData) { DBG_HexPrintf(RegDataBuf + DummyLen, DataLen - DummyLen); } goto SDHC_SPIREADREGDATA_DONE; } } while((GetSysTick() < OpEndTick) && !Ctrl->SDHCError) { memset(Ctrl->TempData, 0xff, 40); SDHC_SpiXfer(Ctrl, Ctrl->TempData, 40); if (Ctrl->IsPrintData) { DBG_HexPrintf(Ctrl->TempData, 40); } for(i = 0; i < 40; i++) { if (0xfe == Ctrl->TempData[i]) { DummyLen = 40 - i - 1; if (DummyLen >= DataLen) { memcpy(RegDataBuf, &Ctrl->TempData[i + 1], DataLen); goto SDHC_SPIREADREGDATA_DONE; } else { memcpy(RegDataBuf, &Ctrl->TempData[i + 1], DummyLen); memset(RegDataBuf + DummyLen, 0xff, DataLen - DummyLen); SDHC_SpiXfer(Ctrl, RegDataBuf + DummyLen, DataLen - DummyLen); goto SDHC_SPIREADREGDATA_DONE; } } } } Result = -ERROR_OPERATION_FAILED; SDHC_SPIREADREGDATA_DONE: SDHC_SpiCS(Ctrl, 0); return Result; } static int32_t SDHC_SpiWriteBlockData(SDHC_SPICtrlStruct *Ctrl) { uint64_t OpEndTick; int Result = -ERROR_OPERATION_FAILED; uint16_t TxLen, DoneFlag, waitCnt; uint16_t i, crc16; uint8_t *pBuf; Ctrl->SPIError = 0; Ctrl->SDHCError = 0; OpEndTick = GetSysTick() + Ctrl->SDHCWriteBlockTo * CORE_TICK_1MS; while( (Ctrl->DataBuf.Pos < Ctrl->DataBuf.MaxLen) && (GetSysTick() < OpEndTick) ) { Ctrl->TempData[0] = 0xff; Ctrl->TempData[1] = 0xff; //SD_DBG("%u,%u", Ctrl->DataBuf.Pos, Ctrl->DataBuf.MaxLen); Ctrl->TempData[2] = 0xfc; memcpy(Ctrl->TempData + 3, Ctrl->DataBuf.Data + Ctrl->DataBuf.Pos * __SDHC_BLOCK_LEN__, __SDHC_BLOCK_LEN__); crc16 = CRC16Cal(Ctrl->DataBuf.Data + Ctrl->DataBuf.Pos * __SDHC_BLOCK_LEN__, __SDHC_BLOCK_LEN__, 0, CRC16_CCITT_GEN, 0); BytesPutBe16(Ctrl->TempData + 3 + __SDHC_BLOCK_LEN__, crc16); Ctrl->TempData[5 + __SDHC_BLOCK_LEN__] = 0xff; TxLen = 6 + __SDHC_BLOCK_LEN__; SDHC_SpiXfer(Ctrl, Ctrl->TempData, TxLen); if ((Ctrl->TempData[5 + __SDHC_BLOCK_LEN__] & 0x1f) != 0x05) { DBG("write data error ! x%02x", Ctrl->TempData[5 + __SDHC_BLOCK_LEN__]); Ctrl->SDHCError = 1; goto SDHC_SPIWRITEBLOCKDATA_DONE; } DoneFlag = 0; waitCnt = 0; while( (GetSysTick() < OpEndTick) && !DoneFlag ) { TxLen = Ctrl->WriteWaitCnt?Ctrl->WriteWaitCnt:40; memset(Ctrl->TempData, 0xff, TxLen); SDHC_SpiXfer(Ctrl, Ctrl->TempData, TxLen); for(i = 0; i < TxLen; i++) { if (Ctrl->TempData[i] == 0xff) { DoneFlag = 1; if ((i + waitCnt) < sizeof(Ctrl->TempData)) { if ((i + waitCnt) != Ctrl->WriteWaitCnt) { // DBG("%u", Ctrl->WriteWaitCnt); Ctrl->WriteWaitCnt = i + waitCnt; } } break; } } waitCnt += TxLen; } if (!DoneFlag) { DBG("write data timeout!"); Ctrl->SDHCError = 1; goto SDHC_SPIWRITEBLOCKDATA_DONE; } Ctrl->DataBuf.Pos++; OpEndTick = GetSysTick() + Ctrl->SDHCWriteBlockTo * CORE_TICK_1MS; } Result = ERROR_NONE; SDHC_SPIWRITEBLOCKDATA_DONE: Ctrl->TempData[0] = 0xfd; SPI_BlockTransfer(Ctrl->SpiID, Ctrl->TempData, Ctrl->TempData, 1); OpEndTick = GetSysTick() + Ctrl->SDHCWriteBlockTo * CORE_TICK_1MS * Ctrl->DataBuf.MaxLen; DoneFlag = 0; while( (GetSysTick() < OpEndTick) && !DoneFlag ) { TxLen = sizeof(Ctrl->TempData); memset(Ctrl->TempData, 0xff, TxLen); SDHC_SpiXfer(Ctrl, Ctrl->TempData, TxLen); for(i = 0; i < TxLen; i++) { if (Ctrl->TempData[i] == 0xff) { DoneFlag = 1; break; } } } SDHC_SpiCS(Ctrl, 0); return Result; } static int32_t SDHC_SpiReadBlockData(SDHC_SPICtrlStruct *Ctrl) { uint64_t OpEndTick; int Result = -ERROR_OPERATION_FAILED; uint16_t ReadLen, DummyLen, RemainingLen; uint16_t i, crc16, crc16_check; uint8_t *pBuf; Ctrl->SPIError = 0; Ctrl->SDHCError = 0; OpEndTick = GetSysTick() + Ctrl->SDHCReadBlockTo * CORE_TICK_1MS; while( (Ctrl->DataBuf.Pos < Ctrl->DataBuf.MaxLen) && (GetSysTick() < OpEndTick) ) { DummyLen = (__SDHC_BLOCK_LEN__ >> 1); memset(Ctrl->TempData, 0xff, DummyLen); // SD_DBG("%u,%u", Ctrl->DataBuf.Pos, Ctrl->DataBuf.MaxLen); SDHC_SpiXfer(Ctrl, Ctrl->TempData, DummyLen); RemainingLen = 0; for(i = 0; i < DummyLen; i++) { if (Ctrl->TempData[i] == 0xfe) { ReadLen = (DummyLen - i - 1); RemainingLen = __SDHC_BLOCK_LEN__ - ReadLen; if (ReadLen) { memcpy(Ctrl->DataBuf.Data + Ctrl->DataBuf.Pos * __SDHC_BLOCK_LEN__, Ctrl->TempData + i + 1, ReadLen); } // SD_DBG("%u,%u", ReadLen, RemainingLen); goto READ_REST_DATA; } } continue; READ_REST_DATA: pBuf = Ctrl->DataBuf.Data + Ctrl->DataBuf.Pos * __SDHC_BLOCK_LEN__ + ReadLen; memset(pBuf, 0xff, RemainingLen); SDHC_SpiXfer(Ctrl, pBuf, RemainingLen); memset(Ctrl->TempData, 0xff, 2); SPI_BlockTransfer(Ctrl->SpiID, Ctrl->TempData, Ctrl->TempData, 2); crc16 = CRC16Cal(Ctrl->DataBuf.Data + Ctrl->DataBuf.Pos * __SDHC_BLOCK_LEN__, __SDHC_BLOCK_LEN__, 0, CRC16_CCITT_GEN, 0); crc16_check = BytesGetBe16(Ctrl->TempData); if (crc16 != crc16_check) { DBG("crc16 error %04x %04x", crc16, crc16_check); Result = ERROR_NONE; goto SDHC_SPIREADBLOCKDATA_DONE; } Ctrl->DataBuf.Pos++; OpEndTick = GetSysTick() + Ctrl->SDHCReadBlockTo * CORE_TICK_1MS; } Result = ERROR_NONE; SDHC_SPIREADBLOCKDATA_DONE: return Result; } void SDHC_SpiInitCard(void *pSDHC) { uint8_t i; uint64_t OpEndTick; SDHC_SPICtrlStruct *Ctrl = (SDHC_SPICtrlStruct *)pSDHC; memset(Ctrl->TempData, 0xff, 20); Ctrl->IsInitDone = 0; Ctrl->SDHCState = 0xff; Ctrl->Info.CardCapacity = 0; Ctrl->WriteWaitCnt = 40; GPIO_Output(Ctrl->CSPin, 0); SDHC_SpiXfer(Ctrl, Ctrl->TempData, 20); GPIO_Output(Ctrl->CSPin, 1); memset(Ctrl->TempData, 0xff, 20); SDHC_SpiXfer(Ctrl, Ctrl->TempData, 20); Ctrl->IsMMC = 0; if (SDHC_SpiCmd(Ctrl, CMD0, 0, 1)) { goto INIT_DONE; } OpEndTick = GetSysTick() + 1 * CORE_TICK_1S; if (SDHC_SpiCmd(Ctrl, CMD8, 0x1aa, 1)) //只支持2G以上的SDHC卡 { goto INIT_DONE; } WAIT_INIT_DONE: if (GetSysTick() >= OpEndTick) { goto INIT_DONE; } if (SDHC_SpiCmd(Ctrl, SD_CMD_APP_CMD, 0, 1)) { goto INIT_DONE; } if (SDHC_SpiCmd(Ctrl, SD_CMD_SD_APP_OP_COND, 0x40000000, 1)) { goto INIT_DONE; } Ctrl->IsInitDone = !Ctrl->SDHCState; if (!Ctrl->IsInitDone) { goto WAIT_INIT_DONE; } if (SDHC_SpiCmd(Ctrl, CMD58, 0, 1)) { goto INIT_DONE; } Ctrl->OCR = BytesGetBe32(Ctrl->ExternResult); // SD_DBG("sdcard init OK OCR:0x%08x!", Ctrl->OCR); return; INIT_DONE: if (!Ctrl->IsInitDone) { SD_DBG("sdcard init fail!"); } return; } void SDHC_SpiReadCardConfig(void *pSDHC) { SDHC_SPICtrlStruct *Ctrl = (SDHC_SPICtrlStruct *)pSDHC; uint8_t CSD_Tab[18]; uint8_t CID_Tab[18]; SD_CSD* Csd = &Ctrl->Info.Csd; SD_CID* Cid = &Ctrl->Info.Cid; SD_CardInfo *pCardInfo = &Ctrl->Info; uint64_t Temp; uint8_t flag_SDHC = (Ctrl->OCR & 0x40000000) >> 30; if (Ctrl->Info.CardCapacity) return; if (SDHC_SpiCmd(Ctrl, CMD9, 0, 0)) { goto READ_CONFIG_ERROR; } if (Ctrl->SDHCState) { goto READ_CONFIG_ERROR; } if (SDHC_SpiReadRegData(Ctrl, CSD_Tab, 18)) { goto READ_CONFIG_ERROR; } /************************************************************************* CSD header decoding *************************************************************************/ /* Byte 0 */ Csd->CSDStruct = (CSD_Tab[0] & 0xC0) >> 6; Csd->Reserved1 = CSD_Tab[0] & 0x3F; /* Byte 1 */ Csd->TAAC = CSD_Tab[1]; /* Byte 2 */ Csd->NSAC = CSD_Tab[2]; /* Byte 3 */ Csd->MaxBusClkFrec = CSD_Tab[3]; /* Byte 4/5 */ Csd->CardComdClasses = (CSD_Tab[4] << 4) | ((CSD_Tab[5] & 0xF0) >> 4); Csd->RdBlockLen = CSD_Tab[5] & 0x0F; /* Byte 6 */ Csd->PartBlockRead = (CSD_Tab[6] & 0x80) >> 7; Csd->WrBlockMisalign = (CSD_Tab[6] & 0x40) >> 6; Csd->RdBlockMisalign = (CSD_Tab[6] & 0x20) >> 5; Csd->DSRImpl = (CSD_Tab[6] & 0x10) >> 4; /************************************************************************* CSD v1/v2 decoding *************************************************************************/ if(!flag_SDHC) { Csd->version.v1.Reserved1 = ((CSD_Tab[6] & 0x0C) >> 2); Csd->version.v1.DeviceSize = ((CSD_Tab[6] & 0x03) << 10) | (CSD_Tab[7] << 2) | ((CSD_Tab[8] & 0xC0) >> 6); Csd->version.v1.MaxRdCurrentVDDMin = (CSD_Tab[8] & 0x38) >> 3; Csd->version.v1.MaxRdCurrentVDDMax = (CSD_Tab[8] & 0x07); Csd->version.v1.MaxWrCurrentVDDMin = (CSD_Tab[9] & 0xE0) >> 5; Csd->version.v1.MaxWrCurrentVDDMax = (CSD_Tab[9] & 0x1C) >> 2; Csd->version.v1.DeviceSizeMul = ((CSD_Tab[9] & 0x03) << 1) |((CSD_Tab[10] & 0x80) >> 7); } else { Csd->version.v2.Reserved1 = ((CSD_Tab[6] & 0x0F) << 2) | ((CSD_Tab[7] & 0xC0) >> 6); Csd->version.v2.DeviceSize= ((CSD_Tab[7] & 0x3F) << 16) | (CSD_Tab[8] << 8) | CSD_Tab[9]; Csd->version.v2.Reserved2 = ((CSD_Tab[10] & 0x80) >> 8); } Csd->EraseSingleBlockEnable = (CSD_Tab[10] & 0x40) >> 6; Csd->EraseSectorSize = ((CSD_Tab[10] & 0x3F) << 1) |((CSD_Tab[11] & 0x80) >> 7); Csd->WrProtectGrSize = (CSD_Tab[11] & 0x7F); Csd->WrProtectGrEnable = (CSD_Tab[12] & 0x80) >> 7; Csd->Reserved2 = (CSD_Tab[12] & 0x60) >> 5; Csd->WrSpeedFact = (CSD_Tab[12] & 0x1C) >> 2; Csd->MaxWrBlockLen = ((CSD_Tab[12] & 0x03) << 2) |((CSD_Tab[13] & 0xC0) >> 6); Csd->WriteBlockPartial = (CSD_Tab[13] & 0x20) >> 5; Csd->Reserved3 = (CSD_Tab[13] & 0x1F); Csd->FileFormatGrouop = (CSD_Tab[14] & 0x80) >> 7; Csd->CopyFlag = (CSD_Tab[14] & 0x40) >> 6; Csd->PermWrProtect = (CSD_Tab[14] & 0x20) >> 5; Csd->TempWrProtect = (CSD_Tab[14] & 0x10) >> 4; Csd->FileFormat = (CSD_Tab[14] & 0x0C) >> 2; Csd->Reserved4 = (CSD_Tab[14] & 0x03); Csd->crc = (CSD_Tab[15] & 0xFE) >> 1; Csd->Reserved5 = (CSD_Tab[15] & 0x01); #if 0 if (SDHC_SpiCmd(Ctrl, CMD10, 0, 0)) { goto READ_CONFIG_ERROR; } if (Ctrl->SDHCState) { goto READ_CONFIG_ERROR; } if (SDHC_SpiReadRegData(Ctrl, CID_Tab, 18)) { goto READ_CONFIG_ERROR; } /* Byte 0 */ Cid->ManufacturerID = CID_Tab[0]; /* Byte 1 */ Cid->OEM_AppliID = CID_Tab[1] << 8; /* Byte 2 */ Cid->OEM_AppliID |= CID_Tab[2]; /* Byte 3 */ Cid->ProdName1 = CID_Tab[3] << 24; /* Byte 4 */ Cid->ProdName1 |= CID_Tab[4] << 16; /* Byte 5 */ Cid->ProdName1 |= CID_Tab[5] << 8; /* Byte 6 */ Cid->ProdName1 |= CID_Tab[6]; /* Byte 7 */ Cid->ProdName2 = CID_Tab[7]; /* Byte 8 */ Cid->ProdRev = CID_Tab[8]; /* Byte 9 */ Cid->ProdSN = CID_Tab[9] << 24; /* Byte 10 */ Cid->ProdSN |= CID_Tab[10] << 16; /* Byte 11 */ Cid->ProdSN |= CID_Tab[11] << 8; /* Byte 12 */ Cid->ProdSN |= CID_Tab[12]; /* Byte 13 */ Cid->Reserved1 |= (CID_Tab[13] & 0xF0) >> 4; Cid->ManufactDate = (CID_Tab[13] & 0x0F) << 8; /* Byte 14 */ Cid->ManufactDate |= CID_Tab[14]; /* Byte 15 */ Cid->CID_CRC = (CID_Tab[15] & 0xFE) >> 1; Cid->Reserved2 = 1; #endif if(flag_SDHC) { pCardInfo->LogBlockSize = 512; pCardInfo->CardBlockSize = 512; Temp = 1024 * pCardInfo->LogBlockSize; pCardInfo->CardCapacity = (pCardInfo->Csd.version.v2.DeviceSize + 1) * Temp; pCardInfo->LogBlockNbr = (pCardInfo->Csd.version.v2.DeviceSize + 1) * 1024; } else { pCardInfo->CardCapacity = (pCardInfo->Csd.version.v1.DeviceSize + 1) ; pCardInfo->CardCapacity *= (1 << (pCardInfo->Csd.version.v1.DeviceSizeMul + 2)); pCardInfo->LogBlockSize = 512; pCardInfo->CardBlockSize = 1 << (pCardInfo->Csd.RdBlockLen); pCardInfo->CardCapacity *= pCardInfo->CardBlockSize; pCardInfo->LogBlockNbr = (pCardInfo->CardCapacity) / (pCardInfo->LogBlockSize); } // DBG("卡容量 %lluKB", pCardInfo->CardCapacity/1024); return; READ_CONFIG_ERROR: Ctrl->IsInitDone = 0; Ctrl->SDHCError = 1; return; } void SDHC_SpiReadBlocks(void *pSDHC, uint8_t *Buf, uint32_t StartLBA, uint32_t BlockNums) { uint8_t Retry = 0; SDHC_SPICtrlStruct *Ctrl = (SDHC_SPICtrlStruct *)pSDHC; Buffer_StaticInit(&Ctrl->DataBuf, Buf, BlockNums); SDHC_SPIREADBLOCKS_START: if (SDHC_SpiCmd(Ctrl, CMD18, StartLBA + Ctrl->DataBuf.Pos, 0)) { goto SDHC_SPIREADBLOCKS_ERROR; } if (SDHC_SpiReadBlockData(Ctrl)) { goto SDHC_SPIREADBLOCKS_ERROR; } if (SDHC_SpiCmd(Ctrl, CMD12, 0, 1)) { goto SDHC_SPIREADBLOCKS_ERROR; } if (Ctrl->DataBuf.Pos != Ctrl->DataBuf.MaxLen) { Retry++; DBG("%d", Retry); if (Retry > 3) { Ctrl->SDHCError = 1; goto SDHC_SPIREADBLOCKS_ERROR; } goto SDHC_SPIREADBLOCKS_START; } return; SDHC_SPIREADBLOCKS_ERROR: DBG("!"); Ctrl->IsInitDone = 0; Ctrl->SDHCError = 1; return; } void SDHC_SpiWriteBlocks(void *pSDHC, const uint8_t *Buf, uint32_t StartLBA, uint32_t BlockNums) { uint8_t Retry = 0; SDHC_SPICtrlStruct *Ctrl = (SDHC_SPICtrlStruct *)pSDHC; Buffer_StaticInit(&Ctrl->DataBuf, Buf, BlockNums); SDHC_SPIREADBLOCKS_START: if (SDHC_SpiCmd(Ctrl, CMD25, StartLBA + Ctrl->DataBuf.Pos, 0)) { goto SDHC_SPIREADBLOCKS_ERROR; } if (SDHC_SpiWriteBlockData(Ctrl)) { goto SDHC_SPIREADBLOCKS_ERROR; } if (Ctrl->DataBuf.Pos != Ctrl->DataBuf.MaxLen) { Retry++; if (Retry > 3) { Ctrl->SDHCError = 1; goto SDHC_SPIREADBLOCKS_ERROR; } goto SDHC_SPIREADBLOCKS_START; } return; SDHC_SPIREADBLOCKS_ERROR: Ctrl->IsInitDone = 0; Ctrl->SDHCError = 1; return; } void *SDHC_SpiCreate(uint8_t SpiID, uint8_t CSPin) { SDHC_SPICtrlStruct *Ctrl = zalloc(sizeof(SDHC_SPICtrlStruct)); Ctrl->CSPin = CSPin; Ctrl->SpiID = SpiID; Ctrl->SDHCReadBlockTo = 5 * CORE_TICK_1MS; Ctrl->SDHCWriteBlockTo = 25 * CORE_TICK_1MS; // Ctrl->IsPrintData = 1; return Ctrl; } uint32_t SDHC_GetLogBlockNbr(void *pSDHC) { SDHC_SPICtrlStruct *Ctrl = (SDHC_SPICtrlStruct *)pSDHC; return Ctrl->Info.LogBlockNbr; } uint8_t SDHC_IsReady(void *pSDHC) { SDHC_SPICtrlStruct *Ctrl = (SDHC_SPICtrlStruct *)pSDHC; if (!Ctrl->SDHCState && Ctrl->IsInitDone) { return 1; } else { return 0; } }