diff options
Diffstat (limited to 'lcmodule/source/cnh1606344_ldr_communication_module/source/a2_family.c')
| -rw-r--r-- | lcmodule/source/cnh1606344_ldr_communication_module/source/a2_family.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/lcmodule/source/cnh1606344_ldr_communication_module/source/a2_family.c b/lcmodule/source/cnh1606344_ldr_communication_module/source/a2_family.c new file mode 100644 index 0000000..83f155e --- /dev/null +++ b/lcmodule/source/cnh1606344_ldr_communication_module/source/a2_family.c @@ -0,0 +1,159 @@ +/******************************************************************************* + * 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 { + memcpy(A2_NETWORK(Communication_p)->Inbound.Scratch, Communication_p->BackupCommBuffer_p, A2_HEADER_LENGTH); + 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 sutdown. + * + * @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 Transmition. + * + * @param [in] Communication_p Communication module context. + * @param [in] PacketsBeforeTransferStop Number of packets that will be transmited before stopping the transmition. + * + * @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; +} + + +/** @} */ +/** @} */ +/** @} */ |