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and then not Controller.Periph.STA.CTIMEOUT
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loop
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if Clock - Start > Milliseconds (1000) then
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Timeout := True;
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exit;
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end if;
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end loop;
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if Timeout or else Controller.Periph.STA.CTIMEOUT then
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-- Card is not v2.0 compliant or card does not support the set
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-- voltage range
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Controller.Periph.ICR.CTIMEOUTC := True;
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return Timeout_Error;
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elsif Controller.Periph.STA.CCRCFAIL then
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Controller.Periph.ICR.CCRCFAILC := True;
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return CRC_Check_Fail;
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end if;
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if SD_Command (Controller.Periph.RESPCMD.RESPCMD) /=
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Command_Index
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then
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return Illegal_Cmd;
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end if;
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Clear_Static_Flags (Controller);
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R1 := Controller.Periph.RESP1;
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if (R1 and SD_OCR_ERRORMASK) = 0 then
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return OK;
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end if;
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if (R1 and SD_OCR_ADDR_OUT_OF_RANGE) /= 0 then
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return Address_Out_Of_Range;
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elsif (R1 and SD_OCR_ADDR_MISALIGNED) /= 0 then
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return Address_Missaligned;
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elsif (R1 and SD_OCR_BLOCK_LEN_ERR) /= 0 then
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return Block_Length_Error;
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elsif (R1 and SD_OCR_ERASE_SEQ_ERR) /= 0 then
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return Erase_Seq_Error;
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elsif (R1 and SD_OCR_BAD_ERASE_PARAM) /= 0 then
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return Bad_Erase_Parameter;
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elsif (R1 and SD_OCR_WRITE_PROT_VIOLATION) /= 0 then
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return Write_Protection_Violation;
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elsif (R1 and SD_OCR_LOCK_UNLOCK_FAILED) /= 0 then
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return Lock_Unlock_Failed;
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elsif (R1 and SD_OCR_COM_CRC_FAILED) /= 0 then
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return CRC_Check_Fail;
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elsif (R1 and SD_OCR_ILLEGAL_CMD) /= 0 then
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return Illegal_Cmd;
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elsif (R1 and SD_OCR_CARD_ECC_FAILED) /= 0 then
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return Card_ECC_Failed;
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elsif (R1 and SD_OCR_CC_ERROR) /= 0 then
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return CC_Error;
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elsif (R1 and SD_OCR_GENERAL_UNKNOWN_ERROR) /= 0 then
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return General_Unknown_Error;
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elsif (R1 and SD_OCR_STREAM_READ_UNDERRUN) /= 0 then
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return Stream_Read_Underrun;
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elsif (R1 and SD_OCR_STREAM_WRITE_UNDERRUN) /= 0 then
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return Stream_Write_Underrun;
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elsif (R1 and SD_OCR_CID_CSD_OVERWRITE) /= 0 then
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return CID_CSD_Overwrite;
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elsif (R1 and SD_OCR_WP_ERASE_SKIP) /= 0 then
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return WP_Erase_Skip;
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elsif (R1 and SD_OCR_CARD_ECC_DISABLED) /= 0 then
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return Card_ECC_Disabled;
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elsif (R1 and SD_OCR_ERASE_RESET) /= 0 then
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return Erase_Reset;
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elsif (R1 and SD_OCR_AKE_SEQ_ERROR) /= 0 then
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return AKE_SEQ_Error;
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else
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return General_Unknown_Error;
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end if;
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end Response_R1_Error;
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-----------------------
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-- Response_R2_Error --
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-----------------------
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function Response_R2_Error
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(Controller : in out SDMMC_Controller) return SD_Error
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is
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begin
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while not Controller.Periph.STA.CCRCFAIL
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and then not Controller.Periph.STA.CMDREND
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and then not Controller.Periph.STA.CTIMEOUT
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loop
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null;
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end loop;
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if Controller.Periph.STA.CTIMEOUT then
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-- Card is not v2.0 compliant or card does not support the set
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-- voltage range
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Controller.Periph.ICR.CTIMEOUTC := True;
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return Timeout_Error;
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