117 lines
2.6 KiB
C
117 lines
2.6 KiB
C
#include "SDCardMgr.h"
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#include "sd_hw_ctl.h"
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#include "FileSystem/fileio_lfn.h"
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#include <stdio.h>
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#include "timer.h"
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int mSDCardState;
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int mCardDetected;
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int mCardMounted;
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uint16_t mDriveLetter;
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void FILEIO_GetTimestamp (FILEIO_TIMESTAMP * timeStamp)
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{
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timeStamp->date.bitfield.day = 6;
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timeStamp->date.bitfield.month = 5;
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timeStamp->date.bitfield.year = (2017 - 1980);
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timeStamp->time.bitfield.hours = 9;
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timeStamp->time.bitfield.minutes = 5;
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timeStamp->time.bitfield.secondsDiv2 = 0;
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timeStamp->timeMs = 0;
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}
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int InitSDCard()
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{
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SD_SPIConfigurePins();
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FILEIO_Initialize();
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mSDCardState = SD_CARD_INIT_STATE;
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mCardDetected = 0;
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mCardMounted = 0;
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mDriveLetter = 'D';
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TimerStart(SD_CARD_DETECT_TIMER,5000);
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return 1;
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}
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int TickSDCard()
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{
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switch(mSDCardState)
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{
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case SD_CARD_INIT_STATE:
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{
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if(IsTimerExpired(SD_CARD_DETECT_TIMER))
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{
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if(FILEIO_MediaDetect(0, 0) == true)
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{
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mCardDetected = 1;
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mSDCardState = SD_CARD_MOUNT_DRIVE_STATE;
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printf("SD Card detected\n");
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}
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else
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{
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TimerStart(SD_CARD_DETECT_TIMER,999);
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}
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}
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break;
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}
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case SD_CARD_MOUNT_DRIVE_STATE:
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{
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if(FILEIO_DriveMount(mDriveLetter, 0, 0) == FILEIO_ERROR_NONE)
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{
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mCardMounted = 1;
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mSDCardState = SD_CARD_READY_STATE;
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printf("SD Card mounted on drive %c\n",(unsigned char)mDriveLetter);
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}
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else
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{
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mSDCardState = SD_CARD_ERROR_MOUNTING_STATE;
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printf("Error mounting SD card.\n");
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}
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break;
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}
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case SD_CARD_READY_STATE:
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{
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// if(FILEIO_MediaDetect(0, 0) == false)
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// {
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// mCardDetected = 0;
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// mSDCardState = SD_CARD_INIT_STATE;
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// }
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break;
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}
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case SD_CARD_ERROR_MOUNTING_STATE:
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{
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//wait for removal of the sd card...
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// if(FILEIO_MediaDetect(0, 0) == false)
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// {
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// mCardDetected = 0;
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// mSDCardState = SD_CARD_INIT_STATE;
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// printf("SD Card removed");
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// }
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break;
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}
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}
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}
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int MountDrive()
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{
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}
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int IsDriveDetected()
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{
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return mCardDetected;
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}
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int IsDriveMounted()
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{
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return mCardMounted;
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}
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