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harddrive.c
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1 #include "includes.h"
2 
3 #define HarddriveIdleState 0
4 #define HarddriveInitialState0 1
5 #define HarddriveInitialState1 2
6 #define HarddriveInitialState2 3
7 #define HarddriveInitialState3 4
8 #define HarddriveInitialState4 5
9 #define HarddriveInitialState5 6
10 #define HarddriveReadState0 7
11 #define HarddriveReadState1 8
12 #define HarddriveReadState2 9
13 #define HarddriveReadState3 10
14 #define HarddriveWriteState0 11
15 #define HarddriveWriteState1 12
16 #define HarddriveWriteState2 13
17 #define HarddriveWriteState3 14
18 
19 HARDDRIVE_CONTROL HarddriveCtrl;
20 
21 void F_HarddriveInit(void);
22 void F_HarddriveSvc(void);
23 INT8U F_HarddriveInUseCheck(void);
24 INT8U F_HarddriveAllocate(INT16U UserId);
25 INT8U F_HarddriveRelease(INT16U UserId);
26 INT8U F_HarddriveCheck(void);
27 INT8U F_HarddriveInitialStart(INT16U UserId);
28 
29 void F_HarddriveInit(void){
30  HarddriveCtrl.InUse=FALSE;
31  HarddriveCtrl.State=HarddriveIdleState;
32 }
33 void F_HarddriveSvc(void){
34  switch(HarddriveCtrl.State){
35  case HarddriveIdleState:
36  break;
37  case HarddriveInitialState0:
38  break;
39  case HarddriveInitialState1:
40  break;
41  case HarddriveInitialState2:
42  break;
43  case HarddriveInitialState3:
44  break;
45  case HarddriveInitialState4:
46  break;
47  case HarddriveInitialState5:
48  break;
49  case HarddriveReadState0:
50  break;
51  case HarddriveReadState1:
52  break;
53  case HarddriveReadState2:
54  break;
55  case HarddriveReadState3:
56  break;
57  case HarddriveWriteState0:
58  break;
59  case HarddriveWriteState1:
60  break;
61  case HarddriveWriteState2:
62  break;
63  case HarddriveWriteState3:
64  break;
65  }
66 }
67 INT8U F_HarddriveInUseCheck(void){
68  if(HarddriveCtrl.InUse==TRUE) return TRUE;
69  else return FALSE;
70 }
71 INT8U F_HarddriveAllocate(INT16U UserId){
72  if(HarddriveCtrl.InUse==FALSE){
73  HarddriveCtrl.InUse=TRUE;
74  HarddriveCtrl.UserId=UserId;
75  return TRUE;
76  }
77  else return FALSE;
78 }
79 INT8U F_HarddriveRelease(INT16U UserId){
80  if((HarddriveCtrl.InUse==TRUE)&&(HarddriveCtrl.UserId==UserId)){
81  HarddriveCtrl.InUse=FALSE;
82  return TRUE;
83  }
84  else return FALSE;
85 }
86 INT8U F_HarddriveCheck(void){
87  return FALSE;
88 }
89 INT8U F_HarddriveInitialStart(INT16U UserId){
90  if((HarddriveCtrl.InUse==TRUE)&&(HarddriveCtrl.UserId==UserId)){
91  HarddriveCtrl.State=HarddriveInitialState0;
92  return TRUE;
93  }
94  else return FALSE;
95 }
96 
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