sdcard.c

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#include "includes.h"

#define SdcardIdleState     0
#define SdcardInitialState0 1
#define SdcardInitialState1 2
#define SdcardInitialState2 3
#define SdcardInitialState3 4
#define SdcardInitialState4 5
#define SdcardInitialState5 6
#define SdcardReadState0    7
#define SdcardReadState1    8
#define SdcardReadState2    9
#define SdcardReadState3    10
#define SdcardWriteState0   11
#define SdcardWriteState1   12
#define SdcardWriteState2   13
#define SdcardWriteState3   14

SDCARD_CONTROL SdcardCtrl;

void F_SdcardInit(void);
void F_SdcardSvc(void);
INT8U F_SdcardInUseCheck(void);
INT8U F_SdcardAllocate(INT16U UserId);
INT8U F_SdcardRelease(INT16U UserId);
INT8U F_SdcardCheck(void);
INT8U F_SdcardInitialStart(INT16U UserId);

void F_SdcardInit(void){
    SdcardCtrl.InUse=FALSE;
    SdcardCtrl.State=SdcardIdleState;
}
void F_SdcardSvc(void){
    switch(SdcardCtrl.State){
        case SdcardIdleState:
            break;
        case SdcardInitialState0:
            break;
        case SdcardInitialState1:
            break;
        case SdcardInitialState2:
            break;
        case SdcardInitialState3:
            break;
        case SdcardInitialState4:
            break;
        case SdcardInitialState5:
            break;
        case SdcardReadState0:
            break;
        case SdcardReadState1:
            break;
        case SdcardReadState2:
            break;
        case SdcardReadState3:
            break;
        case SdcardWriteState0:
            break;
        case SdcardWriteState1:
            break;
        case SdcardWriteState2:
            break;
        case SdcardWriteState3:
            break;    
    }
}
INT8U F_SdcardInUseCheck(void){
    if(SdcardCtrl.InUse==TRUE) return TRUE;
    else return FALSE;
}
INT8U F_SdcardAllocate(INT16U UserId){
    if(SdcardCtrl.InUse==FALSE){
        SdcardCtrl.InUse=TRUE;
        SdcardCtrl.UserId=UserId;
        return TRUE;
    }     
    else return FALSE;
}
INT8U F_SdcardRelease(INT16U UserId){
    if((SdcardCtrl.InUse==TRUE)&&(SdcardCtrl.UserId==UserId)){
        SdcardCtrl.InUse=FALSE;
        return TRUE;
    }     
    else return FALSE;
}
INT8U F_SdcardCheck(void){
    return FALSE;
}
INT8U F_SdcardInitialStart(INT16U UserId){
    if((SdcardCtrl.InUse==TRUE)&&(SdcardCtrl.UserId==UserId)){    
        SdcardCtrl.State=SdcardInitialState0;
        return TRUE;
    }
    else return FALSE;    
}