147 lines
3.9 KiB
C
147 lines
3.9 KiB
C
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/******************************************************************************
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*
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* Freescale Semiconductor Inc.
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* (c) Copyright 2008-2015 Freescale Semiconductor, Inc.
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* ALL RIGHTS RESERVED.
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*
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******************************************************************************/
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/**************************************************************************//**
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* @addtogroup j2602tl_api_group
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* @{
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******************************************************************************/
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/**************************************************************************//**
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*
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* @file lin_j2602tl_api.c
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*
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* @author FPT Software
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*
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* @brief J2602 LIN transport layer and configuration functions
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*
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******************************************************************************/
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/******************************************************************************
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*
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* History:
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*
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* 20090409 v1.0 First version
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*
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*****************************************************************************/
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/**
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* @}
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*/
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#include "lin_j2602tl_api.h"
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#if LIN_MODE == _MASTER_MODE_
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#if LIN_PROTOCOL == PROTOCOL_J2602
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/** @addtogroup j2602tl_api_group
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* @{ */
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l_bool ld_is_ready
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(
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/* [IN] interface name */
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l_ifc_handle iii
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)
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{
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lin_configuration const *conf;
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/* Get the current configuration */
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conf = &lin_ifc_configuration[iii];
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/* Check the service status */
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if (LD_SERVICE_BUSY == conf->tl_desc->tl_service_status)
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{
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return 0;
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}
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return 1;
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}
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l_u8 ld_check_response
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(
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/* [IN] interface name */
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l_ifc_handle iii,
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/* [OUT] buffer for saving the response ID */
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l_u8* const RSID,
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/* [OUT] buffer for saving the error code */
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l_u8* const error_code
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)
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{
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lin_last_cfg_result temp;
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lin_configuration const *conf;
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lin_tl_descriptor *_tl_desc;
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/* Get the current configuration */
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conf = &lin_ifc_configuration[iii];
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/* Get the TL configuration */
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_tl_desc = conf->tl_desc;
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/* Get the status of the last service */
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temp = (lin_last_cfg_result)(_tl_desc->tl_last_cfg_result);
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/* Check status of last configuration */
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switch (temp)
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{
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case LD_SUCCESS:
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*RSID = _tl_desc->tl_last_RSID;
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break;
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case LD_NEGATIVE:
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*RSID = _tl_desc->tl_last_RSID;
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*error_code = _tl_desc->tl_ld_error_code;
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break;
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default:
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break;
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} /* end of switch */
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return (l_u8)temp;
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}
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void ld_assign_frame_id
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(
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/* [IN] interface name */
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l_ifc_handle iii,
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/* [IN] initial node address of the target node */
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l_u8 initial_NAD,
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/* [IN] supplier ID of the target node */
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l_u16 supplier_id,
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/* [IN] message ID of the target node */
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l_u16 message_id,
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/* [IN] protected ID of the target node */
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l_u8 PID
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)
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{
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lin_tl_pdu_data *lin_tl_pdu;
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lin_configuration *conf;
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lin_tl_descriptor *tl_conf;
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/* Get current configuration */
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conf = (lin_configuration *)&lin_ifc_configuration[iii];
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/* Get TL configuration */
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tl_conf = conf->tl_desc;
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/* Get pointer to TX single frame PDU */
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lin_tl_pdu = (lin_tl_pdu_data *)tl_conf->tl_tx_single_pdu;
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/* check service is busy? */
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if (LD_SERVICE_BUSY != tl_conf->tl_service_status)
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{
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/* Create data for PDU */
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(*lin_tl_pdu)[0] = initial_NAD;
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(*lin_tl_pdu)[1] = 0x06;
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(*lin_tl_pdu)[2] = 0xB1;
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(*lin_tl_pdu)[3] = supplier_id &0x00FF;
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(*lin_tl_pdu)[4] = (supplier_id >> 8) & 0x00FF;
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(*lin_tl_pdu)[5] = message_id &0x00FF;
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(*lin_tl_pdu)[6] = (message_id >> 8) & 0x00FF;
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(*lin_tl_pdu)[7] = PID;
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/* Set state of service is BUSY */
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tl_conf->tl_service_status = LD_SERVICE_BUSY;
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/* Notify to Master task sending frame */
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tl_conf->tl_cnt_to_send = 1;
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} /* End of checking service status */
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}
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/** @} */
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#endif /* End (LIN_PROTOCOL == PROTOCOL_J2602) */
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#endif /* End LIN_MODE == _MASTER_MODE_ */
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