1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/*******************************************************************************
* Copyright (C) ST-Ericsson SA 2011
* License terms: 3-clause BSD license
******************************************************************************/
/**
* @addtogroup loader_communication_module
* @{
* @addtogroup a2_family
* @{
* @addtogroup a2_protocol
* @{
*/
/*******************************************************************************
* Includes
******************************************************************************/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "r_a2_family.h"
#include "r_a2_network.h"
#include "r_a2_header.h"
#include "r_a2_transport.h"
#include "r_debug_macro.h"
/*******************************************************************************
* File scope types, constants and variables
******************************************************************************/
/*******************************************************************************
* Definition of external functions
******************************************************************************/
/*
* A2 family protocols initialization.
*
* @param [in] Communication_p Communication module context.
*
* @retval E_SUCCESS After successful execution.
* @retval E_INVALID_INPUT_PARAMETERS Invalid input parameter.
*/
ErrorCode_e A2_Family_Init(Communication_t *Communication_p)
{
ErrorCode_e ReturnValue = E_INVALID_INPUT_PARAMETERS;
VERIFY(NULL != Communication_p, E_INVALID_INPUT_PARAMETERS);
Communication_p->FamilyContext_p = malloc(sizeof(A2_FamilyContext_t));
VERIFY(NULL != Communication_p->FamilyContext_p, E_ALLOCATE_FAILED);
A2_SPEEDFLASH(Communication_p)->State = A2_SPEEDFLASH_INACTIVE;
A2_SPEEDFLASH(Communication_p)->LastBlock = FALSE;
A2_SPEEDFLASH(Communication_p)->Outbound_p = NULL;
A2_SPEEDFLASH(Communication_p)->OutboundSize = 0;
Communication_p->CurrentFamilyHash = HASH_CRC16;
if (NULL != Communication_p->BackupCommBuffer_p) {
if (Communication_p->BackupCommBufferSize < A2_HEADER_LENGTH) {
memcpy(A2_NETWORK(Communication_p)->Inbound.Scratch, Communication_p->BackupCommBuffer_p, Communication_p->BackupCommBufferSize);
A2_NETWORK(Communication_p)->Inbound.ReqData = A2_HEADER_LENGTH - Communication_p->BackupCommBufferSize;
A2_NETWORK(Communication_p)->Inbound.ReqBuffOffset = Communication_p->BackupCommBufferSize;
A2_NETWORK(Communication_p)->Inbound.RecBackupData = Communication_p->BackupCommBufferSize;
Communication_p->BackupCommBufferSize = 0;
} else {
/* Copy content of backup buffer into scratch buffer */
memcpy(A2_NETWORK(Communication_p)->Inbound.Scratch, Communication_p->BackupCommBuffer_p, A2_HEADER_LENGTH);
/* Move rest of backup data at the beginning of the backup buffer */
memcpy(Communication_p->BackupCommBuffer_p, Communication_p->BackupCommBuffer_p + A2_HEADER_LENGTH, Communication_p->BackupCommBufferSize - A2_HEADER_LENGTH);
/* Update the size of the backup buffer */
Communication_p->BackupCommBufferSize = Communication_p->BackupCommBufferSize - A2_HEADER_LENGTH;
A2_NETWORK(Communication_p)->Inbound.RecBackupData = A2_HEADER_LENGTH;
}
C_(printf("a2_family.c(%d) BackupBuffer=0x%x Size=%d\n", __LINE__, Communication_p->BackupCommBuffer_p, Communication_p->BackupCommBufferSize);)
A2_NETWORK(Communication_p)->Inbound.State = A2_RECEIVE_HEADER;
A2_NETWORK(Communication_p)->Inbound.Target_p = A2_NETWORK(Communication_p)->Inbound.Scratch;
A2_NETWORK(Communication_p)->Inbound.LCM_Error = E_SUCCESS;
} else {
Communication_p->BackupCommBufferSize = 0;
}
A2_NETWORK(Communication_p)->Inbound.StopTransfer = FALSE;
ReturnValue = A2_Network_Initialize(Communication_p);
VERIFY(E_SUCCESS == ReturnValue, ReturnValue);
ErrorExit:
return ReturnValue;
}
/*
* A2 family protocols shutdown.
*
* @param [in] Communication_p Communication module context.
*
* @retval E_SUCCESS After successful execution.
* @retval E_INVALID_INPUT_PARAMETERS Invalid input parameter.
*/
ErrorCode_e A2_Family_Shutdown(Communication_t *Communication_p)
{
ErrorCode_e ReturnValue = E_INVALID_INPUT_PARAMETERS;
VERIFY(NULL != Communication_p, E_INVALID_INPUT_PARAMETERS);
if (NULL != Communication_p->BackupCommBuffer_p) {
free(Communication_p->BackupCommBuffer_p);
Communication_p->BackupCommBuffer_p = NULL;
}
Communication_p->BackupCommBuffer_p = (uint8 *)malloc(A2_HEADER_LENGTH);
VERIFY(NULL != Communication_p->BackupCommBuffer_p, E_ALLOCATE_FAILED);
memcpy(Communication_p->BackupCommBuffer_p, A2_NETWORK(Communication_p)->Inbound.Scratch, A2_HEADER_LENGTH);
Communication_p->BackupCommBufferSize = A2_HEADER_LENGTH;
C_(printf("a2_family.c(%d) BackupBuffer=0x%x, Size=%d \n", __LINE__, Communication_p->BackupCommBuffer_p, Communication_p->BackupCommBufferSize);)
Communication_p->CurrentFamilyHash = HASH_NONE;
ReturnValue = A2_Network_Shutdown(Communication_p);
VERIFY(E_SUCCESS == ReturnValue, ReturnValue);
ErrorExit:
if (NULL != Communication_p) {
if (NULL != Communication_p->FamilyContext_p) {
free(Communication_p->FamilyContext_p);
Communication_p->FamilyContext_p = NULL;
}
}
A_(printf("a2_family.c(%d) ErrorCode=%d\n", __LINE__, ReturnValue);)
return ReturnValue;
}
/*
* A2 Cancel Transmission.
*
* @param [in] Communication_p Communication module context.
* @param [in] PacketsBeforeTransferStop Number of packets that will be transmitted before stopping the transmission.
*
* @retval E_SUCCESS After successful execution.
* @retval E_INVALID_INPUT_PARAMETERS Invalid input parameter.
*/
ErrorCode_e A2_CancelReceiver(Communication_t *Communication_p, uint8 PacketsBeforeReceiverStop)
{
ErrorCode_e ReturnValue = E_SUCCESS;
VERIFY(NULL != Communication_p, E_INVALID_INPUT_PARAMETERS);
A2_NETWORK(Communication_p)->Inbound.PacketsBeforeReceiverStop = PacketsBeforeReceiverStop;
A2_NETWORK(Communication_p)->Inbound.StopTransfer = TRUE;
ErrorExit:
A_(printf("protrom_family.c(%d) ErrorCode=%d\n", __LINE__, ReturnValue);)
return ReturnValue;
}
/** @} */
/** @} */
/** @} */
|
